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pact-jvm-provider-maven from group au.com.dius (version 4.0.10)
Maven plugin to verify a provider
=================================
Maven plugin for verifying pacts against a provider.
The Maven plugin provides a `verify` goal which will verify all configured pacts against your provider.
## To Use It
### 1. Add the pact-jvm-provider-maven plugin to your `build` section of your pom file.
```xml
<build>
[...]
<plugins>
[...]
<plugin>
<groupId>au.com.dius</groupId>
<artifactId>pact-jvm-provider-maven</artifactId>
<version>4.0.0</version>
</plugin>
[...]
</plugins>
[...]
</build>
```
### 2. Define the pacts between your consumers and providers
You define all the providers and consumers within the configuration element of the maven plugin.
```xml
<plugin>
<groupId>au.com.dius</groupId>
<artifactId>pact-jvm-provider-maven</artifactId>
<version>4.0.0</version>
<configuration>
<serviceProviders>
<!-- You can define as many as you need, but each must have a unique name -->
<serviceProvider>
<name>provider1</name>
<!-- All the provider properties are optional, and have sensible defaults (shown below) -->
<protocol>http</protocol>
<host>localhost</host>
<port>8080</port>
<path>/</path>
<consumers>
<!-- Again, you can define as many consumers for each provider as you need, but each must have a unique name -->
<consumer>
<name>consumer1</name>
<!-- currently supports a file path using pactFile or a URL using pactUrl -->
<pactFile>path/to/provider1-consumer1-pact.json</pactFile>
</consumer>
</consumers>
</serviceProvider>
</serviceProviders>
</configuration>
</plugin>
```
### 3. Execute `mvn pact:verify`
You will have to have your provider running for this to pass.
## Verifying all pact files in a directory for a provider
You can specify a directory that contains pact files, and the Pact plugin will scan for all pact files that match that
provider and define a consumer for each pact file in the directory. Consumer name is read from contents of pact file.
```xml
<plugin>
<groupId>au.com.dius</groupId>
<artifactId>pact-jvm-provider-maven</artifactId>
<version>4.0.0</version>
<configuration>
<serviceProviders>
<!-- You can define as many as you need, but each must have a unique name -->
<serviceProvider>
<name>provider1</name>
<!-- All the provider properties are optional, and have sensible defaults (shown below) -->
<protocol>http</protocol>
<host>localhost</host>
<port>8080</port>
<path>/</path>
<pactFileDirectory>path/to/pacts</pactFileDirectory>
</serviceProvider>
</serviceProviders>
</configuration>
</plugin>
```
### Verifying all pact files from multiple directories for a provider
If you want to specify multiple directories, you can use `pactFileDirectories`. The plugin will only fail the build if
no pact files are loaded after processing all the directories in the list.
```xml
<plugin>
<groupId>au.com.dius</groupId>
<artifactId>pact-jvm-provider-maven</artifactId>
<version>4.0.0</version>
<configuration>
<serviceProviders>
<serviceProvider>
<name>provider1</name>
<pactFileDirectories>
<pactFileDirectory>path/to/pacts1</pactFileDirectory>
<pactFileDirectory>path/to/pacts2</pactFileDirectory>
</pactFileDirectories>
</serviceProvider>
</serviceProviders>
</configuration>
</plugin>
```
## Enabling insecure SSL
For providers that are running on SSL with self-signed certificates, you need to enable insecure SSL mode by setting
`<insecure>true</insecure>` on the provider.
```xml
<plugin>
<groupId>au.com.dius</groupId>
<artifactId>pact-jvm-provider-maven</artifactId>
<version>4.0.0</version>
<configuration>
<serviceProviders>
<serviceProvider>
<name>provider1</name>
<pactFileDirectory>path/to/pacts</pactFileDirectory>
<insecure>true</insecure>
</serviceProvider>
</serviceProviders>
</configuration>
</plugin>
```
## Specifying a custom trust store
For environments that are running their own certificate chains:
```xml
<plugin>
<groupId>au.com.dius</groupId>
<artifactId>pact-jvm-provider-maven</artifactId>
<version>4.0.0</version>
<configuration>
<serviceProviders>
<serviceProvider>
<name>provider1</name>
<pactFileDirectory>path/to/pacts</pactFileDirectory>
<trustStore>relative/path/to/trustStore.jks</trustStore>
<trustStorePassword>changeit</trustStorePassword>
</serviceProvider>
</serviceProviders>
</configuration>
</plugin>
```
`trustStore` is either relative to the current working (build) directory. `trustStorePassword` defaults to `changeit`.
NOTE: The hostname will still be verified against the certificate.
## Modifying the requests before they are sent
Sometimes you may need to add things to the requests that can't be persisted in a pact file. Examples of these would
be authentication tokens, which have a small life span. The Pact Maven plugin provides a request filter that can be
set to a Groovy script on the provider that will be called before the request is made. This script will receive the HttpRequest
bound to a variable named `request` prior to it being executed.
```xml
<plugin>
<groupId>au.com.dius</groupId>
<artifactId>pact-jvm-provider-maven</artifactId>
<version>4.0.0</version>
<configuration>
<serviceProviders>
<serviceProvider>
<name>provider1</name>
<requestFilter>
// This is a Groovy script that adds an Authorization header to each request
request.addHeader('Authorization', 'oauth-token eyJhbGciOiJSUzI1NiIsIm...')
</requestFilter>
<consumers>
<consumer>
<name>consumer1</name>
<pactFile>path/to/provider1-consumer1-pact.json</pactFile>
</consumer>
</consumers>
</serviceProvider>
</serviceProviders>
</configuration>
</plugin>
```
__*Important Note:*__ You should only use this feature for things that can not be persisted in the pact file. By modifying
the request, you are potentially modifying the contract from the consumer tests!
## Modifying the HTTP Client Used
The default HTTP client is used for all requests to providers (created with a call to `HttpClients.createDefault()`).
This can be changed by specifying a closure assigned to createClient on the provider that returns a CloseableHttpClient.
For example:
```xml
<plugin>
<groupId>au.com.dius</groupId>
<artifactId>pact-jvm-provider-maven</artifactId>
<version>4.0.0</version>
<configuration>
<serviceProviders>
<serviceProvider>
<name>provider1</name>
<createClient>
// This is a Groovy script that will enable the client to accept self-signed certificates
import org.apache.http.ssl.SSLContextBuilder
import org.apache.http.conn.ssl.NoopHostnameVerifier
import org.apache.http.impl.client.HttpClients
HttpClients.custom().setSSLHostnameVerifier(new NoopHostnameVerifier())
.setSslcontext(new SSLContextBuilder().loadTrustMaterial(null, { x509Certificates, s -> true })
.build())
.build()
</createClient>
<consumers>
<consumer>
<name>consumer1</name>
<pactFile>path/to/provider1-consumer1-pact.json</pactFile>
</consumer>
</consumers>
</serviceProvider>
</serviceProviders>
</configuration>
</plugin>
```
## Turning off URL decoding of the paths in the pact file
By default the paths loaded from the pact file will be decoded before the request is sent to the provider. To turn this
behaviour off, set the system property `pact.verifier.disableUrlPathDecoding` to `true`.
__*Important Note:*__ If you turn off the url path decoding, you need to ensure that the paths in the pact files are
correctly encoded. The verifier will not be able to make a request with an invalid encoded path.
## Plugin Properties
The following plugin properties can be specified with `-Dproperty=value` on the command line or in the configuration section:
|Property|Description|
|--------|-----------|
|`pact.showStacktrace`|This turns on stacktrace printing for each request. It can help with diagnosing network errors|
|`pact.showFullDiff`|This turns on displaying the full diff of the expected versus actual bodies|
|`pact.filter.consumers`|Comma separated list of consumer names to verify|
|`pact.filter.description`|Only verify interactions whose description match the provided regular expression|
|`pact.filter.providerState`|Only verify interactions whose provider state match the provided regular expression. An empty string matches interactions that have no state|
|`pact.filter.pacturl`|This filter allows just the just the changed pact specified in a webhook to be run. It should be used in conjunction with `pact.filter.consumers`|
|`pact.verifier.publishResults`|Publishing of verification results will be skipped unless this property is set to `true` [version 3.5.18+]|
|`pact.matching.wildcard`|Enables matching of map values ignoring the keys when this property is set to `true`|
|`pact.verifier.disableUrlPathDecoding`|Disables decoding of request paths|
|`pact.pactbroker.httpclient.usePreemptiveAuthentication`|Enables preemptive authentication with the pact broker when set to `true`|
|`pact.consumer.tags`|Overrides the tags used when publishing pacts [version 4.0.7+]|
Example in the configuration section:
```xml
<plugin>
<groupId>au.com.dius</groupId>
<artifactId>pact-jvm-provider-maven</artifactId>
<version>4.0.0</version>
<configuration>
<serviceProviders>
<serviceProvider>
<name>provider1</name>
<consumers>
<consumer>
<name>consumer1</name>
<pactFile>path/to/provider1-consumer1-pact.json</pactFile>
</consumer>
</consumers>
</serviceProvider>
</serviceProviders>
<configuration>
<pact.showStacktrace>true</pact.showStacktrace>
</configuration>
</configuration>
</plugin>
```
## Provider States
For each provider you can specify a state change URL to use to switch the state of the provider. This URL will
receive the providerState description and parameters from the pact file before each interaction via a POST. The stateChangeUsesBody
controls if the state is passed in the request body or as query parameters.
These values can be set at the provider level, or for a specific consumer. Consumer values take precedent if both are given.
```xml
<plugin>
<groupId>au.com.dius</groupId>
<artifactId>pact-jvm-provider-maven</artifactId>
<version>4.0.0</version>
<configuration>
<serviceProviders>
<serviceProvider>
<name>provider1</name>
<stateChangeUrl>http://localhost:8080/tasks/pactStateChange</stateChangeUrl>
<stateChangeUsesBody>false</stateChangeUsesBody> <!-- defaults to true -->
<consumers>
<consumer>
<name>consumer1</name>
<pactFile>path/to/provider1-consumer1-pact.json</pactFile>
<stateChangeUrl>http://localhost:8080/tasks/pactStateChangeForConsumer1</stateChangeUrl>
<stateChangeUsesBody>false</stateChangeUsesBody> <!-- defaults to true -->
</consumer>
</consumers>
</serviceProvider>
</serviceProviders>
</configuration>
</plugin>
```
If the `stateChangeUsesBody` is not specified, or is set to true, then the provider state description and parameters will be sent as
JSON in the body of the request. If it is set to false, they will passed as query parameters.
As for normal requests (see Modifying the requests before they are sent), a state change request can be modified before
it is sent. Set `stateChangeRequestFilter` to a Groovy script on the provider that will be called before the request is made.
#### Teardown calls for state changes
You can enable teardown state change calls by setting the property `<stateChangeTeardown>true</stateChangeTeardown>` on the provider. This
will add an `action` parameter to the state change call. The setup call before the test will receive `action=setup`, and
then a teardown call will be made afterwards to the state change URL with `action=teardown`.
#### Returning values that can be injected (3.6.11+)
You can have values from the provider state callbacks be injected into most places (paths, query parameters, headers,
bodies, etc.). This works by using the V3 spec generators with provider state callbacks that return values. One example
of where this would be useful is API calls that require an ID which would be auto-generated by the database on the
provider side, so there is no way to know what the ID would be beforehand.
There are methods on the consumer DSLs that can provider an expression that contains variables (like '/api/user/${id}'
for the path). The provider state callback can then return a map for values, and the `id` attribute from the map will
be expanded in the expression. For URL callbacks, the values need to be returned as JSON in the response body.
## Verifying pact files from a pact broker
You can setup your build to validate against the pacts stored in a pact broker. The pact plugin will query
the pact broker for all consumers that have a pact with the provider based on its name. To use it, just configure the
`pactBrokerUrl` or `pactBroker` value for the provider with the base URL to the pact broker.
For example:
```xml
<plugin>
<groupId>au.com.dius</groupId>
<artifactId>pact-jvm-provider-maven</artifactId>
<version>4.0.0</version>
<configuration>
<serviceProviders>
<serviceProvider>
<name>provider1</name>
<stateChangeUrl>http://localhost:8080/tasks/pactStateChange</stateChangeUrl>
<pactBrokerUrl>http://pact-broker:5000/</pactBrokerUrl>
</serviceProvider>
</serviceProviders>
</configuration>
</plugin>
```
### Verifying pacts from an authenticated pact broker
If your pact broker requires authentication (basic and bearer authentication are supported), you can configure the username
and password to use by configuring the `authentication` element of the `pactBroker` element of your provider.
For example, here is how you configure the plugin to use basic authentication for verifying pacts:
```xml
<plugin>
<groupId>au.com.dius</groupId>
<artifactId>pact-jvm-provider-maven</artifactId>
<version>4.0.1</version>
<configuration>
<serviceProviders>
<serviceProvider>
<name>provider1</name>
<stateChangeUrl>http://localhost:8080/tasks/pactStateChange</stateChangeUrl>
<pactBroker>
<url>http://pactbroker:1234</url>
<authentication>
<scheme>basic</scheme>
<username>test</username>
<password>test</password>
</authentication>
</pactBroker>
</serviceProvider>
</serviceProviders>
</configuration>
</plugin>
```
Here is how you configure the plugin to use bearer token authentication for verifying pacts
```xml
<plugin>
<groupId>au.com.dius</groupId>
<artifactId>pact-jvm-provider-maven</artifactId>
<version>4.0.1</version>
<configuration>
<serviceProviders>
<serviceProvider>
<name>provider1</name>
<stateChangeUrl>http://localhost:8080/tasks/pactStateChange</stateChangeUrl>
<pactBroker>
<url>http://pactbroker:1234</url>
<authentication>
<scheme>bearer</scheme>
<token>TOKEN</token>
</authentication>
</pactBroker>
</serviceProvider>
</serviceProviders>
</configuration>
</plugin>
```
Preemptive Authentication can be enabled by setting the `pact.pactbroker.httpclient.usePreemptiveAuthentication` Java
system property to `true`.
### Allowing just the changed pact specified in a webhook to be verified [4.0.6+]
When a consumer publishes a new version of a pact file, the Pact broker can fire off a webhook with the URL of the changed
pact file. To allow only the changed pact file to be verified, you can override the URL by using the `pact.filter.consumers`
and `pact.filter.pacturl` Java system properties.
For example, running:
```console
mvn pact:verify -Dpact.filter.consumers='Foo Web Client' -Dpact.filter.pacturl=https://test.pact.dius.com.au/pacts/provider/Activity%20Service/consumer/Foo%20Web%20Client/version/1.0.1
```
will only run the verification for Foo Web Client with the given pact file URL.
#### Using the Maven servers configuration
You can use the servers setup in the Maven settings. To do this, setup a server as per the
[Maven Server Settings](https://maven.apache.org/settings.html#Servers). Then set the server ID in the pact broker
configuration in your POM.
```xml
<plugin>
<groupId>au.com.dius</groupId>
<artifactId>pact-jvm-provider-maven</artifactId>
<version>4.0.0</version>
<configuration>
<serviceProviders>
<serviceProvider>
<name>provider1</name>
<stateChangeUrl>http://localhost:8080/tasks/pactStateChange</stateChangeUrl>
<pactBroker>
<url>http://pactbroker:1234</url>
<serverId>test-pact-broker</serverId> <!-- This must match the server id in the maven settings -->
</pactBroker>
</serviceProvider>
</serviceProviders>
</configuration>
</plugin>
```
### Verifying pacts from an pact broker that match particular tags
If your pacts in your pact broker have been tagged, you can set the tags to fetch by configuring the `tags`
element of the `pactBroker` element of your provider.
For example:
```xml
<plugin>
<groupId>au.com.dius</groupId>
<artifactId>pact-jvm-provider-maven</artifactId>
<version>4.0.0</version>
<configuration>
<serviceProviders>
<serviceProvider>
<name>provider1</name>
<stateChangeUrl>http://localhost:8080/tasks/pactStateChange</stateChangeUrl>
<pactBroker>
<url>http://pactbroker:1234</url>
<tags>
<tag>TEST</tag>
<tag>DEV</tag>
</tags>
</pactBroker>
</serviceProvider>
</serviceProviders>
</configuration>
</plugin>
```
This example will fetch and validate the pacts for the TEST and DEV tags.
## Filtering the interactions that are verified
You can filter the interactions that are run using three properties: `pact.filter.consumers`, `pact.filter.description` and `pact.filter.providerState`.
Adding `-Dpact.filter.consumers=consumer1,consumer2` to the command line or configuration section will only run the pact files for those
consumers (consumer1 and consumer2). Adding `-Dpact.filter.description=a request for payment.*` will only run those interactions
whose descriptions start with 'a request for payment'. `-Dpact.filter.providerState=.*payment` will match any interaction that
has a provider state that ends with payment, and `-Dpact.filter.providerState=` will match any interaction that does not have a
provider state.
## Not failing the build if no pact files are found
By default, if there are no pact files to verify, the plugin will raise an exception. This is to guard against false
positives where the build is passing but nothing has been verified due to mis-configuration.
To disable this behaviour, set the `failIfNoPactsFound` parameter to `false`.
# Verifying a message provider
The Maven plugin has been updated to allow invoking test methods that can return the message contents from a message
producer. To use it, set the way to invoke the verification to `ANNOTATED_METHOD`. This will allow the pact verification
task to scan for test methods that return the message contents.
Add something like the following to your maven pom file:
```xml
<plugin>
<groupId>au.com.dius</groupId>
<artifactId>pact-jvm-provider-maven</artifactId>
<version>4.0.0</version>
<configuration>
<serviceProviders>
<serviceProvider>
<name>messageProvider</name>
<verificationType>ANNOTATED_METHOD</verificationType>
<!-- packagesToScan is optional, but leaving it out will result in the entire
test classpath being scanned. Set it to the packages where your annotated test method
can be found. -->
<packagesToScan>
<packageToScan>au.com.example.messageprovider.*</packageToScan>
</packagesToScan>
<consumers>
<consumer>
<name>consumer1</name>
<pactFile>path/to/messageprovider-consumer1-pact.json</pactFile>
</consumer>
</consumers>
</serviceProvider>
</serviceProviders>
</configuration>
</plugin>
```
Now when the pact verify task is run, will look for methods annotated with `@PactVerifyProvider` in the test classpath
that have a matching description to what is in the pact file.
```groovy
class ConfirmationKafkaMessageBuilderTest {
@PactVerifyProvider('an order confirmation message')
String verifyMessageForOrder() {
Order order = new Order()
order.setId(10000004)
order.setExchange('ASX')
order.setSecurityCode('CBA')
order.setPrice(BigDecimal.TEN)
order.setUnits(15)
order.setGst(new BigDecimal('15.0'))
odrer.setFees(BigDecimal.TEN)
def message = new ConfirmationKafkaMessageBuilder()
.withOrder(order)
.build()
JsonOutput.toJson(message)
}
}
```
It will then validate that the returned contents matches the contents for the message in the pact file.
## Changing the class path that is scanned
By default, the test classpath is scanned for annotated methods. You can override this by setting
the `classpathElements` property:
```xml
<plugin>
<groupId>au.com.dius</groupId>
<artifactId>pact-jvm-provider-maven</artifactId>
<version>4.0.0</version>
<configuration>
<serviceProviders>
<serviceProvider>
<name>messageProvider</name>
<verificationType>ANNOTATED_METHOD</verificationType>
<consumers>
<consumer>
<name>consumer1</name>
<pactFile>path/to/messageprovider-consumer1-pact.json</pactFile>
</consumer>
</consumers>
</serviceProvider>
</serviceProviders>
<classpathElements>
<classpathElement>
build/classes/test
</classpathElement>
</classpathElements>
</configuration>
</plugin>
```
# Publishing pact files to a pact broker
The pact maven plugin provides a `publish` mojo that can publish all pact files in a directory
to a pact broker. To use it, you need to add a publish configuration to the POM that defines the
directory where the pact files are and the URL to the pact broker.
For example:
```xml
<plugin>
<groupId>au.com.dius</groupId>
<artifactId>pact-jvm-provider-maven</artifactId>
<version>4.0.0</version>
<configuration>
<pactDirectory>path/to/pact/files</pactDirectory> <!-- Defaults to ${project.build.directory}/pacts -->
<pactBrokerUrl>http://pactbroker:1234</pactBrokerUrl>
<projectVersion>1.0.100</projectVersion> <!-- Defaults to ${project.version} -->
<trimSnapshot>true</trimSnapshot> <!-- Defaults to false -->
<skipPactPublish>false</skipPactPublish> <!-- Defaults to false -->
</configuration>
</plugin>
```
You can now execute `mvn pact:publish` to publish the pact files.
_NOTE:_ The pact broker requires a version for all published pacts. The `publish` task will use the version of the
project by default, but can be overwritten with the `projectVersion` property. Make sure you have set one otherwise the broker will reject the pact files.
_NOTE_: By default, the pact broker has issues parsing `SNAPSHOT` versions. You can configure the publisher to
automatically remove `-SNAPSHOT` from your version number by setting `trimSnapshot` to true. This setting does not modify non-snapshot versions.
You can set any tags that the pacts should be published with by setting the `tags` list property. A common use of this
is setting the tag to the current source control branch. This supports using pact with feature branches.
```xml
<plugin>
<groupId>au.com.dius</groupId>
<artifactId>pact-jvm-provider-maven</artifactId>
<version>4.0.0</version>
<configuration>
<pactDirectory>path/to/pact/files</pactDirectory> <!-- Defaults to ${project.build.directory}/pacts -->
<pactBrokerUrl>http://pactbroker:1234</pactBrokerUrl>
<projectVersion>1.0.100</projectVersion> <!-- Defaults to ${project.version} -->
<tags>
<tag>feature/feature_name</tag>
</tags>
</configuration>
</plugin>
```
You can also specify the tags using the `pact.consumer.tags` Java system property [version 4.0.7+].
## Publishing to an authenticated pact broker
For an authenticated pact broker, you can pass in the credentials with the `pactBrokerUsername` and `pactBrokerPassword`
properties. Currently it only supports basic authentication.
For example:
```xml
<plugin>
<groupId>au.com.dius</groupId>
<artifactId>pact-jvm-provider-maven</artifactId>
<version>4.0.0</version>
<configuration>
<pactBrokerUrl>http://pactbroker:1234</pactBrokerUrl>
<pactBrokerUsername>USERNAME</pactBrokerUsername>
<pactBrokerPassword>PASSWORD</pactBrokerPassword>
</configuration>
</plugin>
```
Or to use a bearer token:
```xml
<plugin>
<groupId>au.com.dius</groupId>
<artifactId>pact-jvm-provider-maven_2.12</artifactId>
<version>3.5.11</version>
<configuration>
<pactBrokerUrl>http://pactbroker:1234</pactBrokerUrl>
<pactBrokerToken>TOKEN</pactBrokerToken> <!-- Replace TOKEN with the actual token -->
<pactBrokerAuthenticationScheme>Bearer</pactBrokerAuthenticationScheme>
</configuration>
</plugin>
```
#### Using the Maven servers configuration
You can use the servers setup in the Maven settings. To do this, setup a server as per the
[Maven Server Settings](https://maven.apache.org/settings.html#Servers). Then set the server ID in the pact broker
configuration in your POM.
```xml
<plugin>
<groupId>au.com.dius</groupId>
<artifactId>pact-jvm-provider-maven</artifactId>
<version>4.0.0</version>
<configuration>
<pactBrokerUrl>http://pactbroker:1234</pactBrokerUrl>
<pactBrokerServerId>test-pact-broker</pactBrokerServerId> <!-- This must match the server id in the maven settings -->
</configuration>
</plugin>
```
## Excluding pacts from being published
You can exclude some of the pact files from being published by providing a list of regular expressions that match
against the base names of the pact files.
For example:
```xml
<plugin>
<groupId>au.com.dius</groupId>
<artifactId>pact-jvm-provider-maven</artifactId>
<version>4.0.0</version>
<configuration>
<pactBrokerUrl>http://pactbroker:1234</pactBrokerUrl>
<excludes>
<exclude>.*\\-\\d+$</exclude> <!-- exclude pact files where the name ends in a dash followed by a number -->
</excludes>
</configuration>
</plugin>
```
# Publishing verification results to a Pact Broker
For pacts that are loaded from a Pact Broker, the results of running the verification can be published back to the
broker against the URL for the pact. You will be able to then see the result on the Pact Broker home screen.
To turn on the verification publishing, set the system property `pact.verifier.publishResults` to `true` in the pact maven plugin, not surefire, configuration.
## Tagging the provider before verification results are published [4.0.1+]
You can have a tag pushed against the provider version before the verification results are published. To do this
you need set the `pact.provider.tag` JVM system property to the tag value.
# Enabling other verification reports
By default the verification report is written to the console. You can also enable a JSON or Markdown report by setting
the `reports` configuration list.
```xml
<plugin>
<groupId>au.com.dius</groupId>
<artifactId>pact-jvm-provider-maven</artifactId>
<version>4.0.0</version>
<configuration>
<reports>
<report>console</report>
<report>json</report>
<report>markdown</report>
</reports>
</configuration>
</plugin>
```
These reports will be written to `target/reports/pact`.
Group: au.com.dius Artifact: pact-jvm-provider-maven
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Artifact pact-jvm-provider-maven
Group au.com.dius
Version 4.0.10
Last update 18. April 2020
Organization not specified
URL https://github.com/DiUS/pact-jvm
License Apache 2
Dependencies amount 7
Dependencies maven-plugin-api, maven-plugin-annotations, maven-core, kotlin-stdlib-jdk8, kotlin-reflect, jansi, pact-jvm-provider,
There are maybe transitive dependencies!
Group au.com.dius
Version 4.0.10
Last update 18. April 2020
Organization not specified
URL https://github.com/DiUS/pact-jvm
License Apache 2
Dependencies amount 7
Dependencies maven-plugin-api, maven-plugin-annotations, maven-core, kotlin-stdlib-jdk8, kotlin-reflect, jansi, pact-jvm-provider,
There are maybe transitive dependencies!
pact-jvm-provider-gradle from group au.com.dius (version 4.0.10)
pact-jvm-provider-gradle
========================
Gradle plugin for verifying pacts against a provider.
The Gradle plugin creates a task `pactVerify` to your build which will verify all configured pacts against your provider.
__*Important Note: Any properties that need to be set when using the Gradle plugin need to be provided with `-P` and
not `-D` as with the other Pact-JVM modules!*__
## To Use It
### For Gradle versions prior to 2.1
#### 1.1. Add the pact-jvm-provider-gradle jar file to your build script class path:
```groovy
buildscript {
repositories {
mavenCentral()
}
dependencies {
classpath 'au.com.dius:pact-jvm-provider-gradle:4.0.0'
}
}
```
#### 1.2. Apply the pact plugin
```groovy
apply plugin: 'au.com.dius.pact'
```
### For Gradle versions 2.1+
```groovy
plugins {
id "au.com.dius.pact" version "4.0.0"
}
```
### 2. Define the pacts between your consumers and providers
```groovy
pact {
serviceProviders {
// You can define as many as you need, but each must have a unique name
provider1 {
// All the provider properties are optional, and have sensible defaults (shown below)
protocol = 'http'
host = 'localhost'
port = 8080
path = '/'
// Again, you can define as many consumers for each provider as you need, but each must have a unique name
hasPactWith('consumer1') {
// currently supports a file path using file() or a URL using url()
pactSource = file('path/to/provider1-consumer1-pact.json')
}
// Or if you have many pact files in a directory
hasPactsWith('manyConsumers') {
// Will define a consumer for each pact file in the directory.
// Consumer name is read from contents of pact file
pactFileLocation = file('path/to/pacts')
}
}
}
}
```
### 3. Execute `gradle pactVerify`
## Specifying the provider hostname at runtime
If you need to calculate the provider hostname at runtime, you can give a Closure as the provider `host`.
```groovy
pact {
serviceProviders {
provider1 {
host = { lookupHostName() }
hasPactWith('consumer1') {
pactFile = file('path/to/provider1-consumer1-pact.json')
}
}
}
}
```
You can also give a Closure as the provider `port`.
## Specifying the pact file or URL at runtime
If you need to calculate the pact file or URL at runtime, you can give a Closure as the provider `pactFile`.
```groovy
pact {
serviceProviders {
provider1 {
host = 'localhost'
hasPactWith('consumer1') {
pactFile = { lookupPactFile() }
}
}
}
}
```
## Starting and shutting down your provider
If you need to start-up or shutdown your provider, define Gradle tasks for each action and set
`startProviderTask` and `terminateProviderTask` properties of each provider.
You could use the jetty tasks here if you provider is built as a WAR file.
```groovy
// This will be called before the provider task
task('startTheApp') {
doLast {
// start up your provider here
}
}
// This will be called after the provider task
task('killTheApp') {
doLast {
// kill your provider here
}
}
pact {
serviceProviders {
provider1 {
startProviderTask = startTheApp
terminateProviderTask = killTheApp
hasPactWith('consumer1') {
pactFile = file('path/to/provider1-consumer1-pact.json')
}
}
}
}
```
Following typical Gradle behaviour, you can set the provider task properties to the actual tasks, or to the task names
as a string (for the case when they haven't been defined yet).
## Preventing the chaining of provider verify task to `pactVerify`
Normally a gradle task named `pactVerify_${provider.name}` is created and added as a task dependency for `pactVerify`. You
can disable this dependency on a provider by setting `isDependencyForPactVerify` to `false` (defaults to `true`).
```groovy
pact {
serviceProviders {
provider1 {
isDependencyForPactVerify = false
hasPactWith('consumer1') {
pactFile = file('path/to/provider1-consumer1-pact.json')
}
}
}
}
```
To run this task, you would then have to explicitly name it as in ```gradle pactVerify_provider1```, a normal ```gradle pactVerify```
would skip it. This can be useful when you want to define two providers, one with `startProviderTask`/`terminateProviderTask`
and as second without, so you can manually start your provider (to debug it from your IDE, for example) but still want a `pactVerify`
to run normally from your CI build.
## Enabling insecure SSL
For providers that are running on SSL with self-signed certificates, you need to enable insecure SSL mode by setting
`insecure = true` on the provider.
```groovy
pact {
serviceProviders {
provider1 {
insecure = true // allow SSL with a self-signed cert
hasPactWith('consumer1') {
pactFile = file('path/to/provider1-consumer1-pact.json')
}
}
}
}
```
## Specifying a custom trust store
For environments that are running their own certificate chains:
```groovy
pact {
serviceProviders {
provider1 {
trustStore = new File('relative/path/to/trustStore.jks')
trustStorePassword = 'changeit'
hasPactWith('consumer1') {
pactFile = file('path/to/provider1-consumer1-pact.json')
}
}
}
}
```
`trustStore` is either relative to the current working (build) directory. `trustStorePassword` defaults to `changeit`.
NOTE: The hostname will still be verified against the certificate.
## Modifying the HTTP Client Used
The default HTTP client is used for all requests to providers (created with a call to `HttpClients.createDefault()`).
This can be changed by specifying a closure assigned to createClient on the provider that returns a CloseableHttpClient. For example:
```groovy
pact {
serviceProviders {
provider1 {
createClient = { provider ->
// This will enable the client to accept self-signed certificates
HttpClients.custom().setSSLHostnameVerifier(new NoopHostnameVerifier())
.setSslcontext(new SSLContextBuilder().loadTrustMaterial(null, { x509Certificates, s -> true })
.build())
.build()
}
hasPactWith('consumer1') {
pactFile = file('path/to/provider1-consumer1-pact.json')
}
}
}
}
```
## Modifying the requests before they are sent
Sometimes you may need to add things to the requests that can't be persisted in a pact file. Examples of these would
be authentication tokens, which have a small life span. The Pact Gradle plugin provides a request filter that can be
set to a closure on the provider that will be called before the request is made. This closure will receive the HttpRequest
prior to it being executed.
```groovy
pact {
serviceProviders {
provider1 {
requestFilter = { req ->
// Add an authorization header to each request
req.addHeader('Authorization', 'OAUTH eyJhbGciOiJSUzI1NiIsImN0eSI6ImFw...')
}
hasPactWith('consumer1') {
pactFile = file('path/to/provider1-consumer1-pact.json')
}
}
}
}
```
__*Important Note:*__ You should only use this feature for things that can not be persisted in the pact file. By modifying
the request, you are potentially modifying the contract from the consumer tests!
## Turning off URL decoding of the paths in the pact file
By default the paths loaded from the pact file will be decoded before the request is sent to the provider. To turn this
behaviour off, set the property `pact.verifier.disableUrlPathDecoding` to `true`.
__*Important Note:*__ If you turn off the url path decoding, you need to ensure that the paths in the pact files are
correctly encoded. The verifier will not be able to make a request with an invalid encoded path.
## Project Properties
The following project properties can be specified with `-Pproperty=value` on the command line:
|Property|Description|
|--------|-----------|
|`pact.showStacktrace`|This turns on stacktrace printing for each request. It can help with diagnosing network errors|
|`pact.showFullDiff`|This turns on displaying the full diff of the expected versus actual bodies|
|`pact.filter.consumers`|Comma seperated list of consumer names to verify|
|`pact.filter.description`|Only verify interactions whose description match the provided regular expression|
|`pact.filter.providerState`|Only verify interactions whose provider state match the provided regular expression. An empty string matches interactions that have no state|
|`pact.filter.pacturl`|This filter allows just the just the changed pact specified in a webhook to be run. It should be used in conjunction with `pact.filter.consumers` |
|`pact.verifier.publishResults`|Publishing of verification results will be skipped unless this property is set to 'true'|
|`pact.matching.wildcard`|Enables matching of map values ignoring the keys when this property is set to 'true'|
|`pact.verifier.disableUrlPathDecoding`|Disables decoding of request paths|
|`pact.pactbroker.httpclient.usePreemptiveAuthentication`|Enables preemptive authentication with the pact broker when set to `true`|
|`pact.provider.tag`|Sets the provider tag to push before publishing verification results|
## Provider States
For a description of what provider states are, see the pact documentations: http://docs.pact.io/documentation/provider_states.html
### Using a state change URL
For each provider you can specify a state change URL to use to switch the state of the provider. This URL will
receive the providerState description and all the parameters from the pact file before each interaction via a POST.
As for normal requests, a request filter (`stateChangeRequestFilter`) can also be set to manipulate the request before it is sent.
```groovy
pact {
serviceProviders {
provider1 {
hasPactWith('consumer1') {
pactFile = file('path/to/provider1-consumer1-pact.json')
stateChangeUrl = url('http://localhost:8001/tasks/pactStateChange')
stateChangeUsesBody = false // defaults to true
stateChangeRequestFilter = { req ->
// Add an authorization header to each request
req.addHeader('Authorization', 'OAUTH eyJhbGciOiJSUzI1NiIsImN0eSI6ImFw...')
}
}
// or
hasPactsWith('consumers') {
pactFileLocation = file('path/to/pacts')
stateChangeUrl = url('http://localhost:8001/tasks/pactStateChange')
stateChangeUsesBody = false // defaults to true
}
}
}
}
```
If the `stateChangeUsesBody` is not specified, or is set to true, then the provider state description and parameters
will be sent as JSON in the body of the request :
```json
{ "state" : "a provider state description", "params": { "a": "1", "b": "2" } }
```
If it is set to false, they will be passed as query parameters.
#### Teardown calls for state changes
You can enable teardown state change calls by setting the property `stateChangeTeardown = true` on the provider. This
will add an `action` parameter to the state change call. The setup call before the test will receive `action=setup`, and
then a teardown call will be made afterwards to the state change URL with `action=teardown`.
### Using a Closure
You can set a closure to be called before each verification with a defined provider state. The closure will be
called with the state description and parameters from the pact file.
```groovy
pact {
serviceProviders {
provider1 {
hasPactWith('consumer1') {
pactFile = file('path/to/provider1-consumer1-pact.json')
// Load a fixture file based on the provider state and then setup some database
// data. Does not require a state change request so returns false
stateChange = { providerState ->
// providerState is an instance of ProviderState
def fixture = loadFixtuerForProviderState(providerState)
setupDatabase(fixture)
}
}
}
}
}
```
#### Teardown calls for state changes
You can enable teardown state change calls by setting the property `stateChangeTeardown = true` on the provider. This
will add an `action` parameter to the state change closure call. The setup call before the test will receive `setup`,
as the second parameter, and then a teardown call will be made afterwards with `teardown` as the second parameter.
```groovy
pact {
serviceProviders {
provider1 {
hasPactWith('consumer1') {
pactFile = file('path/to/provider1-consumer1-pact.json')
// Load a fixture file based on the provider state and then setup some database
// data. Does not require a state change request so returns false
stateChange = { providerState, action ->
if (action == 'setup') {
def fixture = loadFixtuerForProviderState(providerState)
setupDatabase(fixture)
} else {
cleanupDatabase()
}
false
}
}
}
}
}
```
#### Returning values that can be injected
You can have values from the provider state callbacks be injected into most places (paths, query parameters, headers,
bodies, etc.). This works by using the V3 spec generators with provider state callbacks that return values. One example
of where this would be useful is API calls that require an ID which would be auto-generated by the database on the
provider side, so there is no way to know what the ID would be beforehand.
There are methods on the consumer DSLs that can provider an expression that contains variables (like '/api/user/${id}'
for the path). The provider state callback can then return a map for values, and the `id` attribute from the map will
be expanded in the expression. For URL callbacks, the values need to be returned as JSON in the response body.
## Filtering the interactions that are verified
You can filter the interactions that are run using three project properties: `pact.filter.consumers`, `pact.filter.description` and `pact.filter.providerState`.
Adding `-Ppact.filter.consumers=consumer1,consumer2` to the command line will only run the pact files for those
consumers (consumer1 and consumer2). Adding `-Ppact.filter.description=a request for payment.*` will only run those interactions
whose descriptions start with 'a request for payment'. `-Ppact.filter.providerState=.*payment` will match any interaction that
has a provider state that ends with payment, and `-Ppact.filter.providerState=` will match any interaction that does not have a
provider state.
## Verifying pact files from a pact broker
You can setup your build to validate against the pacts stored in a pact broker. The pact gradle plugin will query
the pact broker for all consumers that have a pact with the provider based on its name.
For example:
```groovy
pact {
serviceProviders {
provider1 {
// You can get the latest pacts from the broker
hasPactsFromPactBroker('http://pact-broker:5000/')
// And/or you can get the latest pact with a specific tag
hasPactsFromPactBrokerWithTag('http://pact-broker:5000/',"tagname")
}
}
}
```
This will verify all pacts found in the pact broker where the provider name is 'provider1'. If you need to set any
values on the consumers from the pact broker, you can add a Closure to configure them.
```groovy
pact {
serviceProviders {
provider1 {
hasPactsFromPactBroker('http://pact-broker:5000/') { consumer ->
stateChange = { providerState -> /* state change code here */ true }
}
}
}
}
```
**NOTE: Currently the pacts are fetched from the broker during the configuration phase of the build. This means that
if the broker is not available, you will not be able to run any Gradle tasks.** This should be fixed in a forth coming
release.
In the mean time, to only load the pacts when running the validate task, you can do something like:
```groovy
pact {
serviceProviders {
provider1 {
// Only load the pacts from the broker if the start tasks from the command line include pactVerify
if ('pactVerify' in gradle.startParameter.taskNames) {
hasPactsFromPactBroker('http://pact-broker:5000/') { consumer ->
stateChange = { providerState -> /* state change code here */ true }
}
}
}
}
}
```
### Using an authenticated Pact Broker
You can add the authentication details for the Pact Broker like so:
```groovy
pact {
serviceProviders {
provider1 {
hasPactsFromPactBroker('http://pact-broker:5000/', authentication: ['Basic', pactBrokerUser, pactBrokerPassword])
}
}
}
```
`pactBrokerUser` and `pactBrokerPassword` can be defined in the gradle properties.
Or with a bearer token:
```groovy
pact {
serviceProviders {
provider1 {
hasPactsFromPactBroker('http://pact-broker:5000/', authentication: ['Bearer', pactBrokerToken])
}
}
}
```
Preemptive Authentication can be enabled by setting the `pact.pactbroker.httpclient.usePreemptiveAuthentication` property to `true`.
### Allowing just the changed pact specified in a webhook to be verified [4.0.6+]
When a consumer publishes a new version of a pact file, the Pact broker can fire off a webhook with the URL of the changed
pact file. To allow only the changed pact file to be verified, you can override the URL by using the `pact.filter.consumers`
and `pact.filter.pacturl` project properties.
For example, running:
```console
gradle pactVerify -Ppact.filter.consumers='Foo Web Client' -Ppact.filter.pacturl=https://test.pact.dius.com.au/pacts/provider/Activity%20Service/consumer/Foo%20Web%20Client/version/1.0.1
```
will only run the verification for Foo Web Client with the given pact file URL.
## Verifying pact files from a S3 bucket
**NOTE:** You will need to add the Amazon S3 SDK jar file to your project.
Pact files stored in an S3 bucket can be verified by using an S3 URL to the pact file. I.e.,
```groovy
pact {
serviceProviders {
provider1 {
hasPactWith('consumer1') {
pactFile = 's3://bucketname/path/to/provider1-consumer1-pact.json'
}
}
}
}
```
**NOTE:** you can't use the `url` function with S3 URLs, as the URL and URI classes from the Java SDK
don't support URLs with the s3 scheme.
# Publishing pact files to a pact broker
The pact gradle plugin provides a `pactPublish` task that can publish all pact files in a directory
to a pact broker. To use it, you need to add a publish configuration to the pact configuration that defines the
directory where the pact files are and the URL to the pact broker.
For example:
```groovy
pact {
publish {
pactDirectory = '/pact/dir' // defaults to $buildDir/pacts
pactBrokerUrl = 'http://pactbroker:1234'
}
}
```
You can set any tags that the pacts should be published with by setting the `tags` property. A common use of this
is setting the tag to the current source control branch. This supports using pact with feature branches.
```groovy
pact {
publish {
pactDirectory = '/pact/dir' // defaults to $buildDir/pacts
pactBrokerUrl = 'http://pactbroker:1234'
tags = [project.pactBrokerTag]
}
}
```
_NOTE:_ The pact broker requires a version for all published pacts. The `pactPublish` task will use the version of the
gradle project by default. You can override this with the `providerVersion` property. Make sure you have set one
otherwise the broker will reject the pact files.
## Publishing to an authenticated pact broker
To publish to a broker protected by basic auth, include the username/password in the `pactBrokerUrl`.
For example:
```groovy
pact {
publish {
pactBrokerUrl = 'https://username:[email protected]'
}
}
```
You can add the username and password as properties.
```groovy
pact {
publish {
pactBrokerUrl = 'https://mypactbroker.com'
pactBrokerUsername = 'username'
pactBrokerPassword = 'password'
}
}
```
or with a bearer token
```groovy
pact {
publish {
pactBrokerUrl = 'https://mypactbroker.com'
pactBrokerToken = 'token'
}
}
```
## Excluding pacts from being published
You can exclude some of the pact files from being published by providing a list of regular expressions that match
against the base names of the pact files.
For example:
```groovy
pact {
publish {
pactBrokerUrl = 'https://mypactbroker.com'
excludes = [ '.*\\-\\d+$' ] // exclude all pact files that end with a dash followed by a number in the name
}
}
```
# Verifying a message provider
The Gradle plugin has been updated to allow invoking test methods that can return the message contents from a message
producer. To use it, set the way to invoke the verification to `ANNOTATED_METHOD`. This will allow the pact verification
task to scan for test methods that return the message contents.
Add something like the following to your gradle build file:
```groovy
pact {
serviceProviders {
messageProvider {
verificationType = 'ANNOTATED_METHOD'
packagesToScan = ['au.com.example.messageprovider.*'] // This is optional, but leaving it out will result in the entire
// test classpath being scanned
hasPactWith('messageConsumer') {
pactFile = url('url/to/messagepact.json')
}
}
}
}
```
Now when the `pactVerify` task is run, will look for methods annotated with `@PactVerifyProvider` in the test classpath
that have a matching description to what is in the pact file.
```groovy
class ConfirmationKafkaMessageBuilderTest {
@PactVerifyProvider('an order confirmation message')
String verifyMessageForOrder() {
Order order = new Order()
order.setId(10000004)
order.setExchange('ASX')
order.setSecurityCode('CBA')
order.setPrice(BigDecimal.TEN)
order.setUnits(15)
order.setGst(new BigDecimal('15.0'))
order.setFees(BigDecimal.TEN)
def message = new ConfirmationKafkaMessageBuilder()
.withOrder(order)
.build()
JsonOutput.toJson(message)
}
}
```
It will then validate that the returned contents matches the contents for the message in the pact file.
## Publishing to the Gradle Community Portal
To publish the plugin to the community portal:
$ ./gradlew :pact-jvm-provider-gradle_2.11:publishPlugins
# Verification Reports
The default behaviour is to display the verification being done to the console, and pass or fail the build via the normal
Gradle mechanism. Additional reports can be generated from the verification.
## Enabling additional reports
The verification reports can be controlled by adding a reports section to the pact configuration in the gradle build file.
For example:
```groovy
pact {
reports {
defaultReports() // adds the standard console output
markdown // report in markdown format
json // report in json format
}
}
```
Any report files will be written to "build/reports/pact".
## Additional Reports
The following report types are available in addition to console output (which is enabled by default):
`markdown`, `json`.
# Publishing verification results to a Pact Broker
For pacts that are loaded from a Pact Broker, the results of running the verification can be published back to the
broker against the URL for the pact. You will be able to see the result on the Pact Broker home screen.
To turn on the verification publishing, set the project property `pact.verifier.publishResults` to `true`.
By default, the Gradle project version will be used as the provider version. You can override this by setting the
`providerVersion` property.
```groovy
pact {
serviceProviders {
provider1 {
providerVersion = { branchName() + '-' + abbreviatedId() }
hasPactsFromPactBroker('http://pact-broker:5000/', authentication: ['Basic', pactBrokerUser, pactBrokerPassword])
}
}
}
```
## Tagging the provider before verification results are published [4.0.1+]
You can have a tag pushed against the provider version before the verification results are published. There are two ways
to do this with the Gradle plugin. You can provide a closure in a similar way to the provider version, i.e.
```groovy
pact {
serviceProviders {
provider1 {
providerVersion = { branchName() + '-' + abbreviatedId() }
providerTag = { branchName() }
hasPactsFromPactBroker('http://pact-broker:5000/', authentication: ['Basic', pactBrokerUser, pactBrokerPassword])
}
}
}
```
or you can set the `pact.provider.tag` JVM system property. For example:
```console
$ ./gradlew -d pactverify -Ppact.verifier.publishResults=true -Dpact.provider.tag=Test2
```
Group: au.com.dius Artifact: pact-jvm-provider-gradle
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Artifact pact-jvm-provider-gradle
Group au.com.dius
Version 4.0.10
Last update 18. April 2020
Organization not specified
URL https://github.com/DiUS/pact-jvm
License Apache 2
Dependencies amount 2
Dependencies pact-jvm-provider, jansi,
There are maybe transitive dependencies!
Group au.com.dius
Version 4.0.10
Last update 18. April 2020
Organization not specified
URL https://github.com/DiUS/pact-jvm
License Apache 2
Dependencies amount 2
Dependencies pact-jvm-provider, jansi,
There are maybe transitive dependencies!
pact-jvm-consumer-junit from group au.com.dius (version 4.0.10)
pact-jvm-consumer-junit
=======================
Provides a DSL and a base test class for use with Junit to build consumer tests.
## Dependency
The library is available on maven central using:
* group-id = `au.com.dius`
* artifact-id = `pact-jvm-consumer-junit`
* version-id = `4.0.x`
## Usage
### Using the base ConsumerPactTest
To write a pact spec extend ConsumerPactTest. This base class defines the following four methods which must be
overridden in your test class.
* *providerName:* Returns the name of the API provider that Pact will mock
* *consumerName:* Returns the name of the API consumer that we are testing.
* *createFragment:* Returns the PactFragment containing the interactions that the test setup using the
ConsumerPactBuilder DSL
* *runTest:* The actual test run. It receives the URL to the mock server as a parameter.
Here is an example:
```java
import au.com.dius.pact.consumer.dsl.PactDslWithProvider;
import au.com.dius.pact.consumer.exampleclients.ConsumerClient;
import au.com.dius.pact.consumer.ConsumerPactTest;
import au.com.dius.pact.model.PactFragment;
import org.junit.Assert;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;
import static org.junit.Assert.assertEquals;
public class ExampleJavaConsumerPactTest extends ConsumerPactTest {
@Override
protected RequestResponsePact createFragment(PactDslWithProvider builder) {
Map<String, String> headers = new HashMap<String, String>();
headers.put("testreqheader", "testreqheadervalue");
return builder
.given("test state") // NOTE: Using provider states are optional, you can leave it out
.uponReceiving("ExampleJavaConsumerPactTest test interaction")
.path("/")
.method("GET")
.headers(headers)
.willRespondWith()
.status(200)
.headers(headers)
.body("{\"responsetest\": true, \"name\": \"harry\"}")
.given("test state 2") // NOTE: Using provider states are optional, you can leave it out
.uponReceiving("ExampleJavaConsumerPactTest second test interaction")
.method("OPTIONS")
.headers(headers)
.path("/second")
.body("")
.willRespondWith()
.status(200)
.headers(headers)
.body("")
.toPact();
}
@Override
protected String providerName() {
return "test_provider";
}
@Override
protected String consumerName() {
return "test_consumer";
}
@Override
protected void runTest(MockServer mockServer, PactTestExecutionContext context) throws IOException {
Assert.assertEquals(new ConsumerClient(mockServer.getUrl()).options("/second"), 200);
Map expectedResponse = new HashMap();
expectedResponse.put("responsetest", true);
expectedResponse.put("name", "harry");
assertEquals(new ConsumerClient(mockServer.getUrl()).getAsMap("/", ""), expectedResponse);
assertEquals(new ConsumerClient(mockServer.getUrl()).options("/second"), 200);
}
}
```
### Using the Pact JUnit Rule
Thanks to [@warmuuh](https://github.com/warmuuh) we have a JUnit rule that simplifies running Pact consumer tests. To use it, create a test class
and then add the rule:
#### 1. Add the Pact Rule to your test class to represent your provider.
```java
@Rule
public PactProviderRule mockProvider = new PactProviderRule("test_provider", "localhost", 8080, this);
```
The hostname and port are optional. If left out, it will default to 127.0.0.1 and a random available port. You can get
the URL and port from the pact provider rule.
#### 2. Annotate a method with Pact that returns a pact fragment for the provider and consumer
```java
@Pact(provider="test_provider", consumer="test_consumer")
public RequestResponsePact createPact(PactDslWithProvider builder) {
return builder
.given("test state")
.uponReceiving("ExampleJavaConsumerPactRuleTest test interaction")
.path("/")
.method("GET")
.willRespondWith()
.status(200)
.body("{\"responsetest\": true}")
.toPact();
}
```
You can leave the provider name out. It will then use the provider name of the first mock provider found. I.e.,
```java
@Pact(consumer="test_consumer") // will default to the provider name from mockProvider
public RequestResponsePact createFragment(PactDslWithProvider builder) {
return builder
.given("test state")
.uponReceiving("ExampleJavaConsumerPactRuleTest test interaction")
.path("/")
.method("GET")
.willRespondWith()
.status(200)
.body("{\"responsetest\": true}")
.toPact();
}
```
#### 3. Annotate your test method with PactVerification to have it run in the context of the mock server setup with the appropriate pact from step 1 and 2
```java
@Test
@PactVerification("test_provider")
public void runTest() {
Map expectedResponse = new HashMap();
expectedResponse.put("responsetest", true);
assertEquals(new ConsumerClient(mockProvider.getUrl()).get("/"), expectedResponse);
}
```
You can leave the provider name out. It will then use the provider name of the first mock provider found. I.e.,
```java
@Test
@PactVerification
public void runTest() {
// This will run against mockProvider
Map expectedResponse = new HashMap();
expectedResponse.put("responsetest", true);
assertEquals(new ConsumerClient("http://localhost:8080").get("/"), expectedResponse);
}
```
For an example, have a look at [ExampleJavaConsumerPactRuleTest](src/test/java/au/com/dius/pact/consumer/examples/ExampleJavaConsumerPactRuleTest.java)
### Requiring a test with multiple providers
The Pact Rule can be used to test with multiple providers. Just add a rule to the test class for each provider, and
then include all the providers required in the `@PactVerification` annotation. For an example, look at
[PactMultiProviderTest](src/test/java/au/com/dius/pact/consumer/pactproviderrule/PactMultiProviderTest.java).
Note that if more than one provider fails verification for the same test, you will only receive a failure for one of them.
Also, to have multiple tests in the same test class, the providers must be setup with random ports (i.e. don't specify
a hostname and port). Also, if the provider name is left out of any of the annotations, the first one found will be used
(which may not be the first one defined).
### Requiring the mock server to run with HTTPS
The mock server can be started running with HTTPS using a self-signed certificate instead of HTTP.
To enable this set the `https` parameter to `true`.
E.g.:
```java
@Rule
public PactProviderRule mockTestProvider = new PactProviderRule("test_provider", "localhost", 8443, true,
PactSpecVersion.V2, this); // ^^^^
```
For an example test doing this, see [PactProviderHttpsTest](src/test/java/au/com/dius/pact/consumer/pactproviderrule/PactProviderHttpsTest.java).
**NOTE:** The provider will start handling HTTPS requests using a self-signed certificate. Most HTTP clients will not accept
connections to a self-signed server as the certificate is untrusted. You may need to enable insecure HTTPS with your client
for this test to work. For an example of how to enable insecure HTTPS client connections with Apache Http Client, have a
look at [InsecureHttpsRequest](src/test/java/org/apache/http/client/fluent/InsecureHttpsRequest.java).
### Requiring the mock server to run with HTTPS with a keystore
The mock server can be started running with HTTPS using a keystore.
To enable this set the `https` parameter to `true`, set the keystore path/file, and the keystore's password.
E.g.:
```java
@Rule
public PactProviderRule mockTestProvider = new PactProviderRule("test_provider", "localhost", 8443, true,
"/path/to/your/keystore.jks", "your-keystore-password", PactSpecVersion.V2, this);
```
For an example test doing this, see [PactProviderHttpsKeystoreTest](src/test/java/au/com/dius/pact/consumer/pactproviderrule/PactProviderHttpsKeystoreTest.java).
### Setting default expected request and response values
If you have a lot of tests that may share some values (like headers), you can setup default values that will be applied
to all the expected requests and responses for the tests. To do this, you need to create a method that takes single
parameter of the appropriate type (`PactDslRequestWithoutPath` or `PactDslResponse`) and annotate it with the default
marker annotation (`@DefaultRequestValues` or `@DefaultResponseValues`).
For example:
```java
@DefaultRequestValues
public void defaultRequestValues(PactDslRequestWithoutPath request) {
Map<String, String> headers = new HashMap<String, String>();
headers.put("testreqheader", "testreqheadervalue");
request.headers(headers);
}
@DefaultResponseValues
public void defaultResponseValues(PactDslResponse response) {
Map<String, String> headers = new HashMap<String, String>();
headers.put("testresheader", "testresheadervalue");
response.headers(headers);
}
```
For an example test that uses these, have a look at [PactProviderWithMultipleFragmentsTest](src/test/java/au/com/dius/pact/consumer/pactproviderrule/PactProviderWithMultipleFragmentsTest.java)
### Note on HTTP clients and persistent connections
Some HTTP clients may keep the connection open, based on the live connections settings or if they use a connection cache. This could
cause your tests to fail if the client you are testing lives longer than an individual test, as the mock server will be started
and shutdown for each test. This will result in the HTTP client connection cache having invalid connections. For an example of this where
the there was a failure for every second test, see [Issue #342](https://github.com/DiUS/pact-jvm/issues/342).
### Using the Pact DSL directly
Sometimes it is not convenient to use the ConsumerPactTest as it only allows one test per test class. The DSL can be
used directly in this case.
Example:
```java
import au.com.dius.pact.consumer.ConsumerPactBuilder;
import au.com.dius.pact.consumer.PactVerificationResult;
import au.com.dius.pact.consumer.exampleclients.ProviderClient;
import au.com.dius.pact.model.MockProviderConfig;
import au.com.dius.pact.model.RequestResponsePact;
import org.junit.Test;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;
import static au.com.dius.pact.consumer.ConsumerPactRunnerKt.runConsumerTest;
import static org.junit.Assert.assertEquals;
/**
* Sometimes it is not convenient to use the ConsumerPactTest as it only allows one test per test class.
* The DSL can be used directly in this case.
*/
public class DirectDSLConsumerPactTest {
@Test
public void testPact() {
RequestResponsePact pact = ConsumerPactBuilder
.consumer("Some Consumer")
.hasPactWith("Some Provider")
.uponReceiving("a request to say Hello")
.path("/hello")
.method("POST")
.body("{\"name\": \"harry\"}")
.willRespondWith()
.status(200)
.body("{\"hello\": \"harry\"}")
.toPact();
MockProviderConfig config = MockProviderConfig.createDefault();
PactVerificationResult result = runConsumerTest(pact, config, (mockServer, context) -> {
Map expectedResponse = new HashMap();
expectedResponse.put("hello", "harry");
try {
assertEquals(new ProviderClient(mockServer.getUrl()).hello("{\"name\": \"harry\"}"),
expectedResponse);
} catch (IOException e) {
throw new RuntimeException(e);
}
});
if (result instanceof PactVerificationResult.Error) {
throw new RuntimeException(((PactVerificationResult.Error)result).getError());
}
assertEquals(PactVerificationResult.Ok.INSTANCE, result);
}
}
```
### The Pact JUnit DSL
The DSL has the following pattern:
```java
.consumer("Some Consumer")
.hasPactWith("Some Provider")
.given("a certain state on the provider")
.uponReceiving("a request for something")
.path("/hello")
.method("POST")
.body("{\"name\": \"harry\"}")
.willRespondWith()
.status(200)
.body("{\"hello\": \"harry\"}")
.uponReceiving("another request for something")
.path("/hello")
.method("POST")
.body("{\"name\": \"harry\"}")
.willRespondWith()
.status(200)
.body("{\"hello\": \"harry\"}")
.
.
.
.toPact()
```
You can define as many interactions as required. Each interaction starts with `uponReceiving` followed by `willRespondWith`.
The test state setup with `given` is a mechanism to describe what the state of the provider should be in before the provider
is verified. It is only recorded in the consumer tests and used by the provider verification tasks.
### Building JSON bodies with PactDslJsonBody DSL
**NOTE:** If you are using Java 8, there is [an updated DSL for consumer tests](../pact-jvm-consumer-java8).
The body method of the ConsumerPactBuilder can accept a PactDslJsonBody, which can construct a JSON body as well as
define regex and type matchers.
For example:
```java
PactDslJsonBody body = new PactDslJsonBody()
.stringType("name")
.booleanType("happy")
.hexValue("hexCode")
.id()
.ipAddress("localAddress")
.numberValue("age", 100)
.timestamp();
```
#### DSL Matching methods
The following matching methods are provided with the DSL. In most cases, they take an optional value parameter which
will be used to generate example values (i.e. when returning a mock response). If no example value is given, a random
one will be generated.
| method | description |
|--------|-------------|
| string, stringValue | Match a string value (using string equality) |
| number, numberValue | Match a number value (using Number.equals)\* |
| booleanValue | Match a boolean value (using equality) |
| stringType | Will match all Strings |
| numberType | Will match all numbers\* |
| integerType | Will match all numbers that are integers (both ints and longs)\* |
| decimalType | Will match all real numbers (floating point and decimal)\* |
| booleanType | Will match all boolean values (true and false) |
| stringMatcher | Will match strings using the provided regular expression |
| timestamp | Will match string containing timestamps. If a timestamp format is not given, will match an ISO timestamp format |
| date | Will match string containing dates. If a date format is not given, will match an ISO date format |
| time | Will match string containing times. If a time format is not given, will match an ISO time format |
| ipAddress | Will match string containing IP4 formatted address. |
| id | Will match all numbers by type |
| hexValue | Will match all hexadecimal encoded strings |
| uuid | Will match strings containing UUIDs |
| includesStr | Will match strings containing the provided string |
| equalsTo | Will match using equals |
| matchUrl | Defines a matcher for URLs, given the base URL path and a sequence of path fragments. The path fragments could be strings or regular expression matchers |
_\* Note:_ JSON only supports double precision floating point values. Depending on the language implementation, they
may parsed as integer, floating point or decimal numbers.
#### Ensuring all items in a list match an example
Lots of the time you might not know the number of items that will be in a list, but you want to ensure that the list
has a minimum or maximum size and that each item in the list matches a given example. You can do this with the `arrayLike`,
`minArrayLike` and `maxArrayLike` functions.
| function | description |
|----------|-------------|
| `eachLike` | Ensure that each item in the list matches the provided example |
| `maxArrayLike` | Ensure that each item in the list matches the provided example and the list is no bigger than the provided max |
| `minArrayLike` | Ensure that each item in the list matches the provided example and the list is no smaller than the provided min |
For example:
```java
DslPart body = new PactDslJsonBody()
.minArrayLike("users", 1)
.id()
.stringType("name")
.closeObject()
.closeArray();
```
This will ensure that the users list is never empty and that each user has an identifier that is a number and a name that is a string.
You can specify the number of example items to generate in the array. The default is 1.
```java
DslPart body = new PactDslJsonBody()
.minArrayLike("users", 1, 2)
.id()
.stringType("name")
.closeObject()
.closeArray();
```
This will generate the example body with 2 items in the users list.
#### Root level arrays that match all items
If the root of the body is an array, you can create PactDslJsonArray classes with the following methods:
| function | description |
|----------|-------------|
| `arrayEachLike` | Ensure that each item in the list matches the provided example |
| `arrayMinLike` | Ensure that each item in the list matches the provided example and the list is no bigger than the provided max |
| `arrayMaxLike` | Ensure that each item in the list matches the provided example and the list is no smaller than the provided min |
For example:
```java
PactDslJsonArray.arrayEachLike()
.date("clearedDate", "mm/dd/yyyy", date)
.stringType("status", "STATUS")
.decimalType("amount", 100.0)
.closeObject()
```
This will then match a body like:
```json
[ {
"clearedDate" : "07/22/2015",
"status" : "C",
"amount" : 15.0
}, {
"clearedDate" : "07/22/2015",
"status" : "C",
"amount" : 15.0
}, {
"clearedDate" : "07/22/2015",
"status" : "C",
"amount" : 15.0
} ]
```
You can specify the number of example items to generate in the array. The default is 1.
#### Matching JSON values at the root
For cases where you are expecting basic JSON values (strings, numbers, booleans and null) at the root level of the body
and need to use matchers, you can use the `PactDslJsonRootValue` class. It has all the DSL matching methods for basic
values that you can use.
For example:
```java
.consumer("Some Consumer")
.hasPactWith("Some Provider")
.uponReceiving("a request for a basic JSON value")
.path("/hello")
.willRespondWith()
.status(200)
.body(PactDslJsonRootValue.integerType())
```
#### Matching any key in a map
The DSL has been extended for cases where the keys in a map are IDs. For an example of this, see
[#313](https://github.com/DiUS/pact-jvm/issues/313). In this case you can use the `eachKeyLike` method, which takes an
example key as a parameter.
For example:
```java
DslPart body = new PactDslJsonBody()
.object("one")
.eachKeyLike("001", PactDslJsonRootValue.id(12345L)) // key like an id mapped to a matcher
.closeObject()
.object("two")
.eachKeyLike("001-A") // key like an id where the value is matched by the following example
.stringType("description", "Some Description")
.closeObject()
.closeObject()
.object("three")
.eachKeyMappedToAnArrayLike("001") // key like an id mapped to an array where each item is matched by the following example
.id("someId", 23456L)
.closeObject()
.closeArray()
.closeObject();
```
For an example, have a look at [WildcardKeysTest](src/test/java/au/com/dius/pact/consumer/WildcardKeysTest.java).
**NOTE:** The `eachKeyLike` method adds a `*` to the matching path, so the matching definition will be applied to all keys
of the map if there is not a more specific matcher defined for a particular key. Having more than one `eachKeyLike` condition
applied to a map will result in only one being applied when the pact is verified (probably the last).
**Further Note: From version 3.5.22 onwards pacts with wildcards applied to map keys will require the Java system property
"pact.matching.wildcard" set to value "true" when the pact file is verified.**
#### Combining matching rules with AND/OR
Matching rules can be combined with AND/OR. There are two methods available on the DSL for this. For example:
```java
DslPart body = new PactDslJsonBody()
.numberValue("valueA", 100)
.and("valueB","AB", PM.includesStr("A"), PM.includesStr("B")) // Must match both matching rules
.or("valueC", null, PM.date(), PM.nullValue()) // will match either a valid date or a null value
```
The `and` and `or` methods take a variable number of matchers (varargs).
### Matching on paths
You can use regular expressions to match incoming requests. The DSL has a `matchPath` method for this. You can provide
a real path as a second value to use when generating requests, and if you leave it out it will generate a random one
from the regular expression.
For example:
```java
.given("test state")
.uponReceiving("a test interaction")
.matchPath("/transaction/[0-9]+") // or .matchPath("/transaction/[0-9]+", "/transaction/1234567890")
.method("POST")
.body("{\"name\": \"harry\"}")
.willRespondWith()
.status(200)
.body("{\"hello\": \"harry\"}")
```
### Matching on headers
You can use regular expressions to match request and response headers. The DSL has a `matchHeader` method for this. You can provide
an example header value to use when generating requests and responses, and if you leave it out it will generate a random one
from the regular expression.
For example:
```java
.given("test state")
.uponReceiving("a test interaction")
.path("/hello")
.method("POST")
.matchHeader("testreqheader", "test.*value")
.body("{\"name\": \"harry\"}")
.willRespondWith()
.status(200)
.body("{\"hello\": \"harry\"}")
.matchHeader("Location", ".*/hello/[0-9]+", "/hello/1234")
```
### Matching on query parameters
You can use regular expressions to match request query parameters. The DSL has a `matchQuery` method for this. You can provide
an example value to use when generating requests, and if you leave it out it will generate a random one
from the regular expression.
For example:
```java
.given("test state")
.uponReceiving("a test interaction")
.path("/hello")
.method("POST")
.matchQuery("a", "\\d+", "100")
.matchQuery("b", "[A-Z]", "X")
.body("{\"name\": \"harry\"}")
.willRespondWith()
.status(200)
.body("{\"hello\": \"harry\"}")
```
## Debugging pact failures
When the test runs, Pact will start a mock provider that will listen for requests and match them against the expectations
you setup in `createFragment`. If the request does not match, it will return a 500 error response.
Each request received and the generated response is logged using [SLF4J](http://www.slf4j.org/). Just enable debug level
logging for au.com.dius.pact.consumer.UnfilteredMockProvider. Most failures tend to be mismatched headers or bodies.
## Changing the directory pact files are written to
By default, pact files are written to `target/pacts` (or `build/pacts` if you use Gradle), but this can be overwritten with the `pact.rootDir` system property.
This property needs to be set on the test JVM as most build tools will fork a new JVM to run the tests.
For Gradle, add this to your build.gradle:
```groovy
test {
systemProperties['pact.rootDir'] = "$buildDir/custom-pacts-directory"
}
```
For maven, use the systemPropertyVariables configuration:
```xml
<project>
[...]
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-plugin</artifactId>
<version>2.18</version>
<configuration>
<systemPropertyVariables>
<pact.rootDir>some/other/directory</pact.rootDir>
<buildDirectory>${project.build.directory}</buildDirectory>
[...]
</systemPropertyVariables>
</configuration>
</plugin>
</plugins>
</build>
[...]
</project>
```
For SBT:
```scala
fork in Test := true,
javaOptions in Test := Seq("-Dpact.rootDir=some/other/directory")
```
### Using `@PactFolder` annotation
You can override the directory the pacts are written in a test by adding the `@PactFolder` annotation to the test
class.
## Forcing pact files to be overwritten (3.6.5+)
By default, when the pact file is written, it will be merged with any existing pact file. To force the file to be
overwritten, set the Java system property `pact.writer.overwrite` to `true`.
# Publishing your pact files to a pact broker
If you use Gradle, you can use the [pact Gradle plugin](../../provider/pact-jvm-provider-gradle#publishing-pact-files-to-a-pact-broker) to publish your pact files.
# Pact Specification V3
Version 3 of the pact specification changes the format of pact files in the following ways:
* Query parameters are stored in a map form and are un-encoded (see [#66](https://github.com/DiUS/pact-jvm/issues/66)
and [#97](https://github.com/DiUS/pact-jvm/issues/97) for information on what this can cause).
* Introduces a new message pact format for testing interactions via a message queue.
* Multiple provider states can be defined with data parameters.
## Generating V2 spec pact files
To have your consumer tests generate V2 format pacts, you can set the specification version to V2. If you're using the
`ConsumerPactTest` base class, you can override the `getSpecificationVersion` method. For example:
```java
@Override
protected PactSpecVersion getSpecificationVersion() {
return PactSpecVersion.V2;
}
```
If you are using the `PactProviderRule`, you can pass the version into the constructor for the rule.
```java
@Rule
public PactProviderRule mockTestProvider = new PactProviderRule("test_provider", PactSpecVersion.V2, this);
```
## Consumer test for a message consumer
For testing a consumer of messages from a message queue, the `MessagePactProviderRule` rule class works in much the
same way as the `PactProviderRule` class for Request-Response interactions, but will generate a V3 format message pact file.
For an example, look at [ExampleMessageConsumerTest](src/test/java/au/com/dius/pact/consumer/v3%2FExampleMessageConsumerTest.java)
# Having values injected from provider state callbacks (3.6.11+)
You can have values from the provider state callbacks be injected into most places (paths, query parameters, headers,
bodies, etc.). This works by using the V3 spec generators with provider state callbacks that return values. One example
of where this would be useful is API calls that require an ID which would be auto-generated by the database on the
provider side, so there is no way to know what the ID would be beforehand.
The following DSL methods all you to set an expression that will be parsed with the values returned from the provider states:
For JSON bodies, use `valueFromProviderState`.<br/>
For headers, use `headerFromProviderState`.<br/>
For query parameters, use `queryParameterFromProviderState`.<br/>
For paths, use `pathFromProviderState`.
For example, assume that an API call is made to get the details of a user by ID. A provider state can be defined that
specifies that the user must be exist, but the ID will be created when the user is created. So we can then define an
expression for the path where the ID will be replaced with the value returned from the provider state callback.
```java
.pathFromProviderState("/api/users/${id}", "/api/users/100")
```
You can also just use the key instead of an expression:
```java
.valueFromProviderState('userId', 'userId', 100) // will look value using userId as the key
```
Group: au.com.dius Artifact: pact-jvm-consumer-junit
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Artifact pact-jvm-consumer-junit
Group au.com.dius
Version 4.0.10
Last update 18. April 2020
Organization not specified
URL https://github.com/DiUS/pact-jvm
License Apache 2
Dependencies amount 5
Dependencies pact-jvm-consumer, junit, json, commons-lang3, guava,
There are maybe transitive dependencies!
Group au.com.dius
Version 4.0.10
Last update 18. April 2020
Organization not specified
URL https://github.com/DiUS/pact-jvm
License Apache 2
Dependencies amount 5
Dependencies pact-jvm-consumer, junit, json, commons-lang3, guava,
There are maybe transitive dependencies!
pact-jvm-consumer-groovy from group au.com.dius (version 4.0.10)
pact-jvm-consumer-groovy
=========================
Groovy DSL for Pact JVM
## Dependency
The library is available on maven central using:
* group-id = `au.com.dius`
* artifact-id = `pact-jvm-consumer-groovy`
* version-id = `4.0.x`
## Usage
Add the `pact-jvm-consumer-groovy` library to your test class path. This provides a `PactBuilder` class for you to use
to define your pacts. For a full example, have a look at the example JUnit `ExampleGroovyConsumerPactTest`.
If you are using gradle for your build, add it to your `build.gradle`:
dependencies {
testCompile 'au.com.dius:pact-jvm-consumer-groovy:4.0.0'
}
Then create an instance of the `PactBuilder` in your test.
```groovy
import au.com.dius.pact.consumer.PactVerificationResult
import au.com.dius.pact.consumer.groovy.PactBuilder
import groovyx.net.http.RESTClient
import org.junit.Test
class AliceServiceConsumerPactTest {
@Test
void "A service consumer side of a pact goes a little something like this"() {
def alice_service = new PactBuilder() // Create a new PactBuilder
alice_service {
serviceConsumer "Consumer" // Define the service consumer by name
hasPactWith "Alice Service" // Define the service provider that it has a pact with
port 1234 // The port number for the service. It is optional, leave it out to
// to use a random one
given('there is some good mallory') // defines a provider state. It is optional.
uponReceiving('a retrieve Mallory request') // upon_receiving starts a new interaction
withAttributes(method: 'get', path: '/mallory') // define the request, a GET request to '/mallory'
willRespondWith( // define the response we want returned
status: 200,
headers: ['Content-Type': 'text/html'],
body: '"That is some good Mallory."'
)
}
// Execute the run method to have the mock server run.
// It takes a closure to execute your requests and returns a PactVerificationResult.
PactVerificationResult result = alice_service.runTest {
def client = new RESTClient('http://localhost:1234/')
def alice_response = client.get(path: '/mallory')
assert alice_response.status == 200
assert alice_response.contentType == 'text/html'
def data = alice_response.data.text()
assert data == '"That is some good Mallory."'
}
assert result == PactVerificationResult.Ok.INSTANCE // This means it is all good
}
}
```
After running this test, the following pact file is produced:
{
"provider" : {
"name" : "Alice Service"
},
"consumer" : {
"name" : "Consumer"
},
"interactions" : [ {
"provider_state" : "there is some good mallory",
"description" : "a retrieve Mallory request",
"request" : {
"method" : "get",
"path" : "/mallory",
"requestMatchers" : { }
},
"response" : {
"status" : 200,
"headers" : {
"Content-Type" : "text/html"
},
"body" : "That is some good Mallory.",
"responseMatchers" : { }
}
} ]
}
### DSL Methods
#### serviceConsumer(String consumer)
This names the service consumer for the pact.
#### hasPactWith(String provider)
This names the service provider for the pact.
#### port(int port)
Sets the port that the mock server will run on. If not supplied, a random port will be used.
#### given(String providerState)
Defines a state that the provider needs to be in for the request to succeed. For more info, see
https://github.com/realestate-com-au/pact/wiki/Provider-states. Can be called multiple times.
#### given(String providerState, Map params)
Defines a state that the provider needs to be in for the request to succeed. For more info, see
https://github.com/realestate-com-au/pact/wiki/Provider-states. Can be called multiple times, and the params
map can contain the data required for the state.
#### uponReceiving(String requestDescription)
Starts the definition of a of a pact interaction.
#### withAttributes(Map requestData)
Defines the request for the interaction. The request data map can contain the following:
| key | Description | Default Value |
|----------------------------|-------------------------------------------|-----------------------------|
| method | The HTTP method to use | get |
| path | The Path for the request | / |
| query | Query parameters as a Map<String, List> | |
| headers | Map of key-value pairs for the request headers | |
| body | The body of the request. If it is not a string, it will be converted to JSON. Also accepts a PactBodyBuilder. | |
| prettyPrint | Boolean value to control if the body is pretty printed. See note on Pretty Printed Bodies below |
For the path, header attributes and query parameters (version 2.2.2+ for headers, 3.3.7+ for query parameters),
you can use regular expressions to match. You can either provide a regex `Pattern` class or use the `regexp` method
to construct a `RegexpMatcher` (you can use any of the defined matcher methods, see DSL methods below).
If you use a `Pattern`, or the `regexp` method but don't provide a value, a random one will be generated from the
regular expression. This value is used when generating requests.
For example:
```groovy
.withAttributes(path: ~'/transaction/[0-9]+') // This will generate a random path for requests
// or
.withAttributes(path: regexp('/transaction/[0-9]+', '/transaction/1234567890'))
```
#### withBody(Closure closure)
Constructs the body of the request or response by invoking the supplied closure in the context of a PactBodyBuilder.
##### Pretty Printed Bodies
An optional Map can be supplied to control how the body is generated. The option values are available:
| Option | Description |
|--------|-------------|
| mimeType | The mime type of the body. Defaults to `application/json` |
| prettyPrint | Boolean value controlling whether to pretty-print the body or not. Defaults to true |
If the prettyPrint option is not specified, the bodies will be pretty printed unless the mime type corresponds to one
that requires compact bodies. Currently only `application/x-thrift+json` is classed as requiring a compact body.
For an example of turning off pretty printing:
```groovy
service {
uponReceiving('a request')
withAttributes(method: 'get', path: '/')
withBody(prettyPrint: false) {
name 'harry'
surname 'larry'
}
}
```
#### willRespondWith(Map responseData)
Defines the response for the interaction. The response data map can contain the following:
| key | Description | Default Value |
|----------------------------|-------------------------------------------|-----------------------------|
| status | The HTTP status code to return | 200 |
| headers | Map of key-value pairs for the response headers | |
| body | The body of the response. If it is not a string, it will be converted to JSON. Also accepts a PactBodyBuilder. | |
| prettyPrint | Boolean value to control if the body is pretty printed. See note on Pretty Printed Bodies above |
For the headers (version 2.2.2+), you can use regular expressions to match. You can either provide a regex `Pattern` class or use
the `regexp` method to construct a `RegexpMatcher` (you can use any of the defined matcher methods, see DSL methods below).
If you use a `Pattern`, or the `regexp` method but don't provide a value, a random one will be generated from the
regular expression. This value is used when generating responses.
For example:
```groovy
.willRespondWith(headers: [LOCATION: ~'/transaction/[0-9]+']) // This will generate a random location value
// or
.willRespondWith(headers: [LOCATION: regexp('/transaction/[0-9]+', '/transaction/1234567890')])
```
#### PactVerificationResult runTest(Closure closure)
The `runTest` method starts the mock server, and then executes the provided closure. It then returns the pact verification
result for the pact run. If you require access to the mock server configuration for the URL, it is passed into the
closure, e.g.,
```groovy
PactVerificationResult result = alice_service.runTest() { mockServer ->
def client = new RESTClient(mockServer.url)
def alice_response = client.get(path: '/mallory')
}
```
### Note on HTTP clients and persistent connections
Some HTTP clients may keep the connection open, based on the live connections settings or if they use a connection cache. This could
cause your tests to fail if the client you are testing lives longer than an individual test, as the mock server will be started
and shutdown for each test. This will result in the HTTP client connection cache having invalid connections. For an example of this where
the there was a failure for every second test, see [Issue #342](https://github.com/DiUS/pact-jvm/issues/342).
### Body DSL
For building JSON bodies there is a `PactBodyBuilder` that provides as DSL that includes matching with regular expressions
and by types. For a more complete example look at `PactBodyBuilderTest`.
For an example:
```groovy
service {
uponReceiving('a request')
withAttributes(method: 'get', path: '/')
withBody {
name(~/\w+/, 'harry')
surname regexp(~/\w+/, 'larry')
position regexp(~/staff|contractor/, 'staff')
happy(true)
}
}
```
This will return the following body:
```json
{
"name": "harry",
"surname": "larry",
"position": "staff",
"happy": true
}
```
and add the following matchers:
```json
{
"$.body.name": {"regex": "\\w+"},
"$.body.surname": {"regex": "\\w+"},
"$.body.position": {"regex": "staff|contractor"}
}
```
#### DSL Methods
The DSL supports the following matching methods:
* regexp(Pattern re, String value = null), regexp(String regexp, String value = null)
Defines a regular expression matcher. If the value is not provided, a random one will be generated.
* hexValue(String value = null)
Defines a matcher that accepts hexidecimal values. If the value is not provided, a random hexidcimal value will be
generated.
* identifier(def value = null)
Defines a matcher that accepts integer values. If the value is not provided, a random value will be generated.
* ipAddress(String value = null)
Defines a matcher that accepts IP addresses. If the value is not provided, a 127.0.0.1 will be used.
* numeric(Number value = null)
Defines a matcher that accepts any numerical values. If the value is not provided, a random integer will be used.
* integer(def value = null)
Defines a matcher that accepts any integer values. If the value is not provided, a random integer will be used.
* decimal(def value = null)
Defines a matcher that accepts any decimal numbers. If the value is not provided, a random decimal will be used.
* timestamp(String pattern = null, def value = null)
If pattern is not provided the ISO_DATETIME_FORMAT is used ("yyyy-MM-dd'T'HH:mm:ss") . If the value is not provided, the current date and time is used.
* time(String pattern = null, def value = null)
If pattern is not provided the ISO_TIME_FORMAT is used ("'T'HH:mm:ss") . If the value is not provided, the current date and time is used.
* date(String pattern = null, def value = null)
If pattern is not provided the ISO_DATE_FORMAT is used ("yyyy-MM-dd") . If the value is not provided, the current date and time is used.
* uuid(String value = null)
Defines a matcher that accepts UUIDs. A random one will be generated if no value is provided.
* equalTo(def value)
Defines an equality matcher that always matches the provided value using `equals`. This is useful for resetting cascading
type matchers.
* includesStr(def value)
Defines a matcher that accepts any value where its string form includes the provided string.
* nullValue()
Defines a matcher that accepts only null values.
* url(String basePath, Object... pathFragments)
Defines a matcher for URLs, given the base URL path and a sequence of path fragments. The path fragments could be
strings or regular expression matchers. For example:
```groovy
url('http://localhost:8080', 'pacticipants', regexp('[^\\/]+', 'Activity%20Service'))
```
Defines a matcher that accepts only null values.
#### What if a field matches a matcher name in the DSL?
When using the body DSL, if there is a field that matches a matcher name (e.g. a field named 'date') then you can do the following:
```groovy
withBody {
date = date()
}
```
### Ensuring all items in a list match an example
Lots of the time you might not know the number of items that will be in a list, but you want to ensure that the list
has a minimum or maximum size and that each item in the list matches a given example. You can do this with the `eachLike`,
`minLike` and `maxLike` functions.
| function | description |
|----------|-------------|
| `eachLike()` | Ensure that each item in the list matches the provided example |
| `maxLike(integer max)` | Ensure that each item in the list matches the provided example and the list is no bigger than the provided max |
| `minLike(integer min)` | Ensure that each item in the list matches the provided example and the list is no smaller than the provided min |
For example:
```groovy
withBody {
users minLike(1) {
id identifier
name string('Fred')
}
}
```
This will ensure that the user list is never empty and that each user has an identifier that is a number and a name that is a string.
You can specify the number of example items to generate in the array. The default is 1.
```groovy
withBody {
users minLike(1, 3) {
id identifier
name string('Fred')
}
}
```
This will create an example user list with 3 users.
The each like matchers have been updated to work with primitive types.
```groovy
withBody {
permissions eachLike(3, 'GRANT')
}
```
will generate the following JSON
```json
{
"permissions": ["GRANT", "GRANT", "GRANT"]
}
```
and matchers
```json
{
"$.body.permissions": {"match": "type"}
}
```
and now you can even get more fancy
```groovy
withBody {
permissions eachLike(3, regexp(~/\w+/))
permissions2 minLike(2, 3, integer())
permissions3 maxLike(4, 3, ~/\d+/)
}
```
You can also match arrays at the root level, for instance,
```groovy
withBody PactBodyBuilder.eachLike(regexp(~/\w+/))
```
or if you have arrays of arrays
```groovy
withBody PactBodyBuilder.eachLike([ regexp('[0-9a-f]{8}', 'e8cda07e'), regexp(~/\w+/, 'sony') ])
```
An `eachArrayLike` method has been added to handle matching of arrays of arrays.
```groovy
{
answers minLike(1) {
questionId string("books")
answer eachArrayLike {
questionId string("title")
answer string("BBBB")
}
}
```
This will generate an array of arrays for the `answer` attribute.
### Matching any key in a map
The DSL has been extended for cases where the keys in a map are IDs. For an example of this, see
[#313](https://github.com/DiUS/pact-jvm/issues/313). In this case you can use the `keyLike` method, which takes an
example key as a parameter.
For example:
```groovy
withBody {
example {
one {
keyLike '001', 'value' // key like an id mapped to a value
}
two {
keyLike 'ABC001', regexp('\\w+') // key like an id mapped to a matcher
}
three {
keyLike 'XYZ001', { // key like an id mapped to a closure
id identifier()
}
}
four {
keyLike '001XYZ', eachLike { // key like an id mapped to an array where each item is matched by the following
id identifier() // example
}
}
}
}
```
For an example, have a look at [WildcardPactSpec](src/test/au/com/dius/pact/consumer/groovy/WildcardPactSpec.groovy).
**NOTE:** The `keyLike` method adds a `*` to the matching path, so the matching definition will be applied to all keys
of the map if there is not a more specific matcher defined for a particular key. Having more than one `keyLike` condition
applied to a map will result in only one being applied when the pact is verified (probably the last).
**Further Note: From version 3.5.22 onwards pacts with wildcards applied to map keys will require the Java system property
"pact.matching.wildcard" set to value "true" when the pact file is verified.**
### Matching with an OR
The V3 spec allows multiple matchers to be combined using either AND or OR for a value. The main use of this would be to
either be able to match a value or a null, or to combine different matchers.
For example:
```groovy
withBody {
valueA and('AB', includeStr('A'), includeStr('B')) // valueA must include both A and B
valueB or('100', regex(~/\d+/), nullValue()) // valueB must either match a regular expression or be null
valueC or('12345678', regex(~/\d{8}/), regex(~/X\d{13}/)) // valueC must match either 8 or X followed by 13 digits
}
```
## Changing the directory pact files are written to
By default, pact files are written to `target/pacts` (or `build/pacts` if you use Gradle), but this can be overwritten with the `pact.rootDir` system property.
This property needs to be set on the test JVM as most build tools will fork a new JVM to run the tests.
For Gradle, add this to your build.gradle:
```groovy
test {
systemProperties['pact.rootDir'] = "$buildDir/custom-pacts-directory"
}
```
## Forcing pact files to be overwritten (3.6.5+)
By default, when the pact file is written, it will be merged with any existing pact file. To force the file to be
overwritten, set the Java system property `pact.writer.overwrite` to `true`.
# Publishing your pact files to a pact broker
If you use Gradle, you can use the [pact Gradle plugin](https://github.com/DiUS/pact-jvm/tree/master/provider/pact-jvm-provider-gradle#publishing-pact-files-to-a-pact-broker) to publish your pact files.
# Pact Specification V3
Version 3 of the pact specification changes the format of pact files in the following ways:
* Query parameters are stored in a map form and are un-encoded (see [#66](https://github.com/DiUS/pact-jvm/issues/66)
and [#97](https://github.com/DiUS/pact-jvm/issues/97) for information on what this can cause).
* Introduces a new message pact format for testing interactions via a message queue.
* Multiple provider states can be defined with data parameters.
## Generating V3 spec pact files
To have your consumer tests generate V3 format pacts, you can pass an option into the `runTest` method. For example:
```groovy
PactVerificationResult result = service.runTest(specificationVersion: PactSpecVersion.V3) { config ->
def client = new RESTClient(config.url)
def response = client.get(path: '/')
}
```
## Consumer test for a message consumer
For testing a consumer of messages from a message queue, the `PactMessageBuilder` class provides a DSL for defining
your message expectations. It works in much the same way as the `PactBuilder` class for Request-Response interactions,
but will generate a V3 format message pact file.
The following steps demonstrate how to use it.
### Step 1 - define the message expectations
Create a test that uses the `PactMessageBuilder` to define a message expectation, and then call `run`. This will invoke
the given closure with a message for each one defined in the pact.
```groovy
def eventStream = new PactMessageBuilder().call {
serviceConsumer 'messageConsumer'
hasPactWith 'messageProducer'
given 'order with id 10000004 exists'
expectsToReceive 'an order confirmation message'
withMetaData(type: 'OrderConfirmed') // Can define any key-value pairs here
withContent(contentType: 'application/json') {
type 'OrderConfirmed'
audit {
userCode 'messageService'
}
origin 'message-service'
referenceId '10000004-2'
timeSent: '2015-07-22T10:14:28+00:00'
value {
orderId '10000004'
value '10.000000'
fee '10.00'
gst '15.00'
}
}
}
```
### Step 2 - call your message handler with the generated messages
This example tests a message handler that gets messages from a Kafka topic. In this case the Pact message is wrapped
as a Kafka `MessageAndMetadata`.
```groovy
eventStream.run { Message message ->
messageHandler.handleMessage(new MessageAndMetadata('topic', 1,
new kafka.message.Message(message.contentsAsBytes()), 0, null, valueDecoder))
}
```
### Step 3 - validate that the message was handled correctly
```groovy
def order = orderRepository.getOrder('10000004')
assert order.status == 'confirmed'
assert order.value == 10.0
```
### Step 4 - Publish the pact file
If the test was successful, a pact file would have been produced with the message from step 1.
# Having values injected from provider state callbacks (3.6.11+)
You can have values from the provider state callbacks be injected into most places (paths, query parameters, headers,
bodies, etc.). This works by using the V3 spec generators with provider state callbacks that return values. One example
of where this would be useful is API calls that require an ID which would be auto-generated by the database on the
provider side, so there is no way to know what the ID would be beforehand.
The DSL method `fromProviderState` allows you to set an expression that will be parsed with the values returned from the provider states.
For the body, you can use the key value instead of an expression.
For example, assume that an API call is made to get the details of a user by ID. A provider state can be defined that
specifies that the user must be exist, but the ID will be created when the user is created. So we can then define an
expression for the path where the ID will be replaced with the value returned from the provider state callback.
```groovy
service {
given('User harry exists')
uponReceiving('a request for user harry')
withAttributes(method: 'get', path: fromProviderState('/api/user/${id}', '/api/user/100'))
withBody {
name(fromProviderState('userName', 'harry')) // looks up the value using the userName key
}
}
```
Group: au.com.dius Artifact: pact-jvm-consumer-groovy
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Artifact pact-jvm-consumer-groovy
Group au.com.dius
Version 4.0.10
Last update 18. April 2020
Organization not specified
URL https://github.com/DiUS/pact-jvm
License Apache 2
Dependencies amount 3
Dependencies groovy, groovy-json, pact-jvm-consumer,
There are maybe transitive dependencies!
Group au.com.dius
Version 4.0.10
Last update 18. April 2020
Organization not specified
URL https://github.com/DiUS/pact-jvm
License Apache 2
Dependencies amount 3
Dependencies groovy, groovy-json, pact-jvm-consumer,
There are maybe transitive dependencies!
pact-jvm-provider-gradle_2.11 from group au.com.dius (version 3.5.24)
pact-jvm-provider-gradle
========================
Gradle plugin for verifying pacts against a provider.
The Gradle plugin creates a task `pactVerify` to your build which will verify all configured pacts against your provider.
## To Use It
### For Gradle versions prior to 2.1
#### 1.1. Add the pact-jvm-provider-gradle jar file to your build script class path:
```groovy
buildscript {
repositories {
mavenCentral()
}
dependencies {
classpath 'au.com.dius:pact-jvm-provider-gradle_2.10:3.2.4'
}
}
```
#### 1.2. Apply the pact plugin
```groovy
apply plugin: 'au.com.dius.pact'
```
### For Gradle versions 2.1+
```groovy
plugins {
id "au.com.dius.pact" version "3.2.4"
}
```
### 2. Define the pacts between your consumers and providers
```groovy
pact {
serviceProviders {
// You can define as many as you need, but each must have a unique name
provider1 {
// All the provider properties are optional, and have sensible defaults (shown below)
protocol = 'http'
host = 'localhost'
port = 8080
path = '/'
// Again, you can define as many consumers for each provider as you need, but each must have a unique name
hasPactWith('consumer1') {
// currently supports a file path using file() or a URL using url()
pactFile = file('path/to/provider1-consumer1-pact.json')
}
// Or if you have many pact files in a directory
hasPactsWith('manyConsumers') {
// Will define a consumer for each pact file in the directory.
// Consumer name is read from contents of pact file
pactFileLocation = file('path/to/pacts')
}
}
}
}
```
### 3. Execute `gradle pactVerify`
## Specifying the provider hostname at runtime
If you need to calculate the provider hostname at runtime, you can give a closure as the provider host.
```groovy
pact {
serviceProviders {
provider1 {
host = { lookupHostName() }
hasPactWith('consumer1') {
pactFile = file('path/to/provider1-consumer1-pact.json')
}
}
}
}
```
_Since version 3.3.2+/2.4.17+_ you can also give a closure as the provider port.
## Specifying the pact file or URL at runtime [versions 3.2.7/2.4.9+]
If you need to calculate the pact file or URL at runtime, you can give a Closure as the provider host.
```groovy
pact {
serviceProviders {
provider1 {
host = 'localhost'
hasPactWith('consumer1') {
pactFile = { lookupPactFile() }
}
}
}
}
```
## Starting and shutting down your provider
If you need to start-up or shutdown your provider, you can define a start and terminate task for each provider.
You could use the jetty tasks here if you provider is built as a WAR file.
```groovy
// This will be called before the provider task
task('startTheApp') << {
// start up your provider here
}
// This will be called after the provider task
task('killTheApp') << {
// kill your provider here
}
pact {
serviceProviders {
provider1 {
startProviderTask = startTheApp
terminateProviderTask = killTheApp
hasPactWith('consumer1') {
pactFile = file('path/to/provider1-consumer1-pact.json')
}
}
}
}
```
Following typical Gradle behaviour, you can set the provider task properties to the actual tasks, or to the task names
as a string (for the case when they haven't been defined yet).
## Enabling insecure SSL [version 2.2.8+]
For providers that are running on SSL with self-signed certificates, you need to enable insecure SSL mode by setting
`insecure = true` on the provider.
```groovy
pact {
serviceProviders {
provider1 {
insecure = true // allow SSL with a self-signed cert
hasPactWith('consumer1') {
pactFile = file('path/to/provider1-consumer1-pact.json')
}
}
}
}
```
## Specifying a custom trust store [version 2.2.8+]
For environments that are running their own certificate chains:
```groovy
pact {
serviceProviders {
provider1 {
trustStore = new File('relative/path/to/trustStore.jks')
trustStorePassword = 'changeit'
hasPactWith('consumer1') {
pactFile = file('path/to/provider1-consumer1-pact.json')
}
}
}
}
```
`trustStore` is either relative to the current working (build) directory. `trustStorePassword` defaults to `changeit`.
NOTE: The hostname will still be verified against the certificate.
## Modifying the HTTP Client Used [version 2.2.4+]
The default HTTP client is used for all requests to providers (created with a call to `HttpClients.createDefault()`).
This can be changed by specifying a closure assigned to createClient on the provider that returns a CloseableHttpClient. For example:
```groovy
pact {
serviceProviders {
provider1 {
createClient = { provider ->
// This will enable the client to accept self-signed certificates
HttpClients.custom().setSSLHostnameVerifier(new NoopHostnameVerifier())
.setSslcontext(new SSLContextBuilder().loadTrustMaterial(null, { x509Certificates, s -> true })
.build())
.build()
}
hasPactWith('consumer1') {
pactFile = file('path/to/provider1-consumer1-pact.json')
}
}
}
}
```
## Modifying the requests before they are sent
**NOTE on breaking change: Version 2.1.8+ uses Apache HttpClient instead of HttpBuilder so the closure will receive a
HttpRequest object instead of a request Map.**
Sometimes you may need to add things to the requests that can't be persisted in a pact file. Examples of these would
be authentication tokens, which have a small life span. The Pact Gradle plugin provides a request filter that can be
set to a closure on the provider that will be called before the request is made. This closure will receive the HttpRequest
prior to it being executed.
```groovy
pact {
serviceProviders {
provider1 {
requestFilter = { req ->
// Add an authorization header to each request
req.addHeader('Authorization', 'OAUTH eyJhbGciOiJSUzI1NiIsImN0eSI6ImFw...')
}
hasPactWith('consumer1') {
pactFile = file('path/to/provider1-consumer1-pact.json')
}
}
}
}
```
__*Important Note:*__ You should only use this feature for things that can not be persisted in the pact file. By modifying
the request, you are potentially modifying the contract from the consumer tests!
## Turning off URL decoding of the paths in the pact file [version 3.3.3+]
By default the paths loaded from the pact file will be decoded before the request is sent to the provider. To turn this
behaviour off, set the system property `pact.verifier.disableUrlPathDecoding` to `true`.
__*Important Note:*__ If you turn off the url path decoding, you need to ensure that the paths in the pact files are
correctly encoded. The verifier will not be able to make a request with an invalid encoded path.
## Project Properties
The following project properties can be specified with `-Pproperty=value` on the command line:
|Property|Description|
|--------|-----------|
|pact.showStacktrace|This turns on stacktrace printing for each request. It can help with diagnosing network errors|
|pact.showFullDiff|This turns on displaying the full diff of the expected versus actual bodies [version 3.3.6+]|
|pact.filter.consumers|Comma seperated list of consumer names to verify|
|pact.filter.description|Only verify interactions whose description match the provided regular expression|
|pact.filter.providerState|Only verify interactions whose provider state match the provided regular expression. An empty string matches interactions that have no state|
## Provider States
For a description of what provider states are, see the pact documentations: http://docs.pact.io/documentation/provider_states.html
### Using a state change URL
For each provider you can specify a state change URL to use to switch the state of the provider. This URL will
receive the providerState description from the pact file before each interaction via a POST. As for normal requests,
a request filter (`stateChangeRequestFilter`) can also be set to manipulate the request before it is sent.
```groovy
pact {
serviceProviders {
provider1 {
hasPactWith('consumer1') {
pactFile = file('path/to/provider1-consumer1-pact.json')
stateChangeUrl = url('http://localhost:8001/tasks/pactStateChange')
stateChangeUsesBody = false // defaults to true
stateChangeRequestFilter = { req ->
// Add an authorization header to each request
req.addHeader('Authorization', 'OAUTH eyJhbGciOiJSUzI1NiIsImN0eSI6ImFw...')
}
}
// or
hasPactsWith('consumers') {
pactFileLocation = file('path/to/pacts')
stateChangeUrl = url('http://localhost:8001/tasks/pactStateChange')
stateChangeUsesBody = false // defaults to true
}
}
}
}
```
If the `stateChangeUsesBody` is not specified, or is set to true, then the provider state description will be sent as
JSON in the body of the request. If it is set to false, it will passed as a query parameter.
#### Teardown calls for state changes [version 3.2.5/2.4.7+]
You can enable teardown state change calls by setting the property `stateChangeTeardown = true` on the provider. This
will add an `action` parameter to the state change call. The setup call before the test will receive `action=setup`, and
then a teardown call will be made afterwards to the state change URL with `action=teardown`.
### Using a Closure [version 2.2.2+]
You can set a closure to be called before each verification with a defined provider state. The closure will be
called with the state description from the pact file.
```groovy
pact {
serviceProviders {
provider1 {
hasPactWith('consumer1') {
pactFile = file('path/to/provider1-consumer1-pact.json')
// Load a fixture file based on the provider state and then setup some database
// data. Does not require a state change request so returns false
stateChange = { providerState ->
def fixture = loadFixtuerForProviderState(providerState)
setupDatabase(fixture)
}
}
}
}
}
```
#### Teardown calls for state changes [version 3.2.5/2.4.7+]
You can enable teardown state change calls by setting the property `stateChangeTeardown = true` on the provider. This
will add an `action` parameter to the state change closure call. The setup call before the test will receive `setup`,
as the second parameter, and then a teardown call will be made afterwards with `teardown` as the second parameter.
```groovy
pact {
serviceProviders {
provider1 {
hasPactWith('consumer1') {
pactFile = file('path/to/provider1-consumer1-pact.json')
// Load a fixture file based on the provider state and then setup some database
// data. Does not require a state change request so returns false
stateChange = { providerState, action ->
if (action == 'setup') {
def fixture = loadFixtuerForProviderState(providerState)
setupDatabase(fixture)
} else {
cleanupDatabase()
}
false
}
}
}
}
}
```
## Filtering the interactions that are verified
You can filter the interactions that are run using three project properties: `pact.filter.consumers`, `pact.filter.description` and `pact.filter.providerState`.
Adding `-Ppact.filter.consumers=consumer1,consumer2` to the command line will only run the pact files for those
consumers (consumer1 and consumer2). Adding `-Ppact.filter.description=a request for payment.*` will only run those interactions
whose descriptions start with 'a request for payment'. `-Ppact.filter.providerState=.*payment` will match any interaction that
has a provider state that ends with payment, and `-Ppact.filter.providerState=` will match any interaction that does not have a
provider state.
## Verifying pact files from a pact broker [version 3.1.1+/2.3.1+]
You can setup your build to validate against the pacts stored in a pact broker. The pact gradle plugin will query
the pact broker for all consumers that have a pact with the provider based on its name.
For example:
```groovy
pact {
serviceProviders {
provider1 {
hasPactsFromPactBroker('http://pact-broker:5000/')
}
}
}
```
This will verify all pacts found in the pact broker where the provider name is 'provider1'. If you need to set any
values on the consumers from the pact broker, you can add a Closure to configure them.
```groovy
pact {
serviceProviders {
provider1 {
hasPactsFromPactBroker('http://pact-broker:5000/') { consumer ->
stateChange = { providerState -> /* state change code here */ true }
}
}
}
}
```
**NOTE: Currently the pacts are fetched from the broker during the configuration phase of the build. This means that
if the broker is not available, you will not be able to run any Gradle tasks.** This should be fixed in a forth coming
release.
In the mean time, to only load the pacts when running the validate task, you can do something like:
```groovy
pact {
serviceProviders {
provider1 {
// Only load the pacts from the broker if the start tasks from the command line include pactVerify
if ('pactVerify' in gradle.startParameter.taskNames) {
hasPactsFromPactBroker('http://pact-broker:5000/') { consumer ->
stateChange = { providerState -> /* state change code here */ true }
}
}
}
}
}
```
### Using an authenticated Pact Broker
You can add the authentication details for the Pact Broker like so:
```groovy
pact {
serviceProviders {
provider1 {
hasPactsFromPactBroker('http://pact-broker:5000/', authentication: ['Basic', pactBrokerUser, pactBrokerPassword])
}
}
}
```
`pactBrokerUser` and `pactBrokerPassword` can be defined in the gradle properties.
## Verifying pact files from a S3 bucket [version 3.3.2+/2.4.17+]
Pact files stored in an S3 bucket can be verified by using an S3 URL to the pact file. I.e.,
```groovy
pact {
serviceProviders {
provider1 {
hasPactWith('consumer1') {
pactFile = 's3://bucketname/path/to/provider1-consumer1-pact.json'
}
}
}
}
```
**NOTE:** you can't use the `url` function with S3 URLs, as the URL and URI classes from the Java SDK
don't support URLs with the s3 scheme.
# Publishing pact files to a pact broker [version 2.2.7+]
The pact gradle plugin provides a `pactPublish` task that can publish all pact files in a directory
to a pact broker. To use it, you need to add a publish configuration to the pact configuration that defines the
directory where the pact files are and the URL to the pact broker.
For example:
```groovy
pact {
publish {
pactDirectory = '/pact/dir' // defaults to $buildDir/pacts
pactBrokerUrl = 'http://pactbroker:1234'
}
}
```
_NOTE:_ The pact broker requires a version for all published pacts. The `pactPublish` task will use the version of the
gradle project by default. Make sure you have set one otherwise the broker will reject the pact files.
_Version 3.2.2/2.4.3+_ you can override the version in the publish block.
## Publishing to an authenticated pact broker
To publish to a broker protected by basic auth, include the username/password in the `pactBrokerUrl`.
For example:
```groovy
pact {
publish {
pactBrokerUrl = 'https://username:[email protected]'
}
}
```
### [version 3.3.9+]
You can add the username and password as properties since version 3.3.9+
```groovy
pact {
publish {
pactBrokerUrl = 'https://mypactbroker.com'
pactBrokerUsername = 'username'
pactBrokerPassword = 'password'
}
}
```
# Verifying a message provider [version 2.2.12+]
The Gradle plugin has been updated to allow invoking test methods that can return the message contents from a message
producer. To use it, set the way to invoke the verification to `ANNOTATED_METHOD`. This will allow the pact verification
task to scan for test methods that return the message contents.
Add something like the following to your gradle build file:
```groovy
pact {
serviceProviders {
messageProvider {
verificationType = 'ANNOTATED_METHOD'
packagesToScan = ['au.com.example.messageprovider.*'] // This is optional, but leaving it out will result in the entire
// test classpath being scanned
hasPactWith('messageConsumer') {
pactFile = url('url/to/messagepact.json')
}
}
}
}
```
Now when the `pactVerify` task is run, will look for methods annotated with `@PactVerifyProvider` in the test classpath
that have a matching description to what is in the pact file.
```groovy
class ConfirmationKafkaMessageBuilderTest {
@PactVerifyProvider('an order confirmation message')
String verifyMessageForOrder() {
Order order = new Order()
order.setId(10000004)
order.setExchange('ASX')
order.setSecurityCode('CBA')
order.setPrice(BigDecimal.TEN)
order.setUnits(15)
order.setGst(new BigDecimal('15.0'))
odrer.setFees(BigDecimal.TEN)
def message = new ConfirmationKafkaMessageBuilder()
.withOrder(order)
.build()
JsonOutput.toJson(message)
}
}
```
It will then validate that the returned contents matches the contents for the message in the pact file.
## Publishing to the Gradle Community Portal
To publish the plugin to the community portal:
$ ./gradlew :pact-jvm-provider-gradle_2.11:publishPlugins
# Verification Reports [versions 3.2.7/2.4.9+]
The default behaviour is to display the verification being done to the console, and pass or fail the build via the normal
Gradle mechanism. From versions 3.2.7/2.4.9+, additional reports can be generated from the verification.
## Enabling additional reports
The verification reports can be controlled by adding a reports section to the pact configuration in the gradle build file.
For example:
```groovy
pact {
reports {
defaultReports() // adds the standard console output
markdown // report in markdown format
json // report in json format
}
}
```
Any report files will be written to "build/reports/pact".
## Additional Reports
The following report types are available in addition to console output (which is enabled by default):
`markdown`, `json`.
Group: au.com.dius Artifact: pact-jvm-provider-gradle_2.11
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Artifact pact-jvm-provider-gradle_2.11
Group au.com.dius
Version 3.5.24
Last update 04. November 2018
Organization not specified
URL https://github.com/DiUS/pact-jvm
License Apache 2
Dependencies amount 7
Dependencies slf4j-api, scala-library, scala-compiler, scala-logging_2.11, http-builder, pact-jvm-provider_2.11, jansi,
There are maybe transitive dependencies!
Group au.com.dius
Version 3.5.24
Last update 04. November 2018
Organization not specified
URL https://github.com/DiUS/pact-jvm
License Apache 2
Dependencies amount 7
Dependencies slf4j-api, scala-library, scala-compiler, scala-logging_2.11, http-builder, pact-jvm-provider_2.11, jansi,
There are maybe transitive dependencies!
pact-jvm-consumer-junit_2.11 from group au.com.dius (version 3.5.24)
pact-jvm-consumer-junit
=======================
Provides a DSL and a base test class for use with Junit to build consumer tests.
## Dependency
The library is available on maven central using:
* group-id = `au.com.dius`
* artifact-id = `pact-jvm-consumer-junit_2.12`
* version-id = `3.5.x`
## Usage
### Using the base ConsumerPactTest
To write a pact spec extend ConsumerPactTestMk2. This base class defines the following four methods which must be
overridden in your test class.
* *providerName:* Returns the name of the API provider that Pact will mock
* *consumerName:* Returns the name of the API consumer that we are testing.
* *createFragment:* Returns the PactFragment containing the interactions that the test setup using the
ConsumerPactBuilder DSL
* *runTest:* The actual test run. It receives the URL to the mock server as a parameter.
Here is an example:
```java
import au.com.dius.pact.consumer.dsl.PactDslWithProvider;
import au.com.dius.pact.consumer.exampleclients.ConsumerClient;
import au.com.dius.pact.consumer.ConsumerPactTest;
import au.com.dius.pact.model.PactFragment;
import org.junit.Assert;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;
import static org.junit.Assert.assertEquals;
public class ExampleJavaConsumerPactTest extends ConsumerPactTestMk2 {
@Override
protected RequestResponsePact createFragment(PactDslWithProvider builder) {
Map<String, String> headers = new HashMap<String, String>();
headers.put("testreqheader", "testreqheadervalue");
return builder
.given("test state") // NOTE: Using provider states are optional, you can leave it out
.uponReceiving("ExampleJavaConsumerPactTest test interaction")
.path("/")
.method("GET")
.headers(headers)
.willRespondWith()
.status(200)
.headers(headers)
.body("{\"responsetest\": true, \"name\": \"harry\"}")
.given("test state 2") // NOTE: Using provider states are optional, you can leave it out
.uponReceiving("ExampleJavaConsumerPactTest second test interaction")
.method("OPTIONS")
.headers(headers)
.path("/second")
.body("")
.willRespondWith()
.status(200)
.headers(headers)
.body("")
.toPact();
}
@Override
protected String providerName() {
return "test_provider";
}
@Override
protected String consumerName() {
return "test_consumer";
}
@Override
protected void runTest(MockServer mockServer) throws IOException {
Assert.assertEquals(new ConsumerClient(mockServer.getUrl()).options("/second"), 200);
Map expectedResponse = new HashMap();
expectedResponse.put("responsetest", true);
expectedResponse.put("name", "harry");
assertEquals(new ConsumerClient(mockServer.getUrl()).getAsMap("/", ""), expectedResponse);
assertEquals(new ConsumerClient(mockServer.getUrl()).options("/second"), 200);
}
}
```
### Using the Pact JUnit Rule
Thanks to [@warmuuh](https://github.com/warmuuh) we have a JUnit rule that simplifies running Pact consumer tests. To use it, create a test class
and then add the rule:
#### 1. Add the Pact Rule to your test class to represent your provider.
```java
@Rule
public PactProviderRuleMk2 mockProvider = new PactProviderRuleMk2("test_provider", "localhost", 8080, this);
```
The hostname and port are optional. If left out, it will default to 127.0.0.1 and a random available port. You can get
the URL and port from the pact provider rule.
#### 2. Annotate a method with Pact that returns a pact fragment for the provider and consumer
```java
@Pact(provider="test_provider", consumer="test_consumer")
public RequestResponsePact createPact(PactDslWithProvider builder) {
return builder
.given("test state")
.uponReceiving("ExampleJavaConsumerPactRuleTest test interaction")
.path("/")
.method("GET")
.willRespondWith()
.status(200)
.body("{\"responsetest\": true}")
.toPact();
}
```
##### Versions 3.0.2/2.2.13+
You can leave the provider name out. It will then use the provider name of the first mock provider found. I.e.,
```java
@Pact(consumer="test_consumer") // will default to the provider name from mockProvider
public RequestResponsePact createFragment(PactDslWithProvider builder) {
return builder
.given("test state")
.uponReceiving("ExampleJavaConsumerPactRuleTest test interaction")
.path("/")
.method("GET")
.willRespondWith()
.status(200)
.body("{\"responsetest\": true}")
.toPact();
}
```
#### 3. Annotate your test method with PactVerification to have it run in the context of the mock server setup with the appropriate pact from step 1 and 2
```java
@Test
@PactVerification("test_provider")
public void runTest() {
Map expectedResponse = new HashMap();
expectedResponse.put("responsetest", true);
assertEquals(new ConsumerClient(mockProvider.getUrl()).get("/"), expectedResponse);
}
```
##### Versions 3.0.2/2.2.13+
You can leave the provider name out. It will then use the provider name of the first mock provider found. I.e.,
```java
@Test
@PactVerification
public void runTest() {
// This will run against mockProvider
Map expectedResponse = new HashMap();
expectedResponse.put("responsetest", true);
assertEquals(new ConsumerClient("http://localhost:8080").get("/"), expectedResponse);
}
```
For an example, have a look at [ExampleJavaConsumerPactRuleTest](src/test/java/au/com/dius/pact/consumer/examples/ExampleJavaConsumerPactRuleTest.java)
### Requiring a test with multiple providers
The Pact Rule can be used to test with multiple providers. Just add a rule to the test class for each provider, and
then include all the providers required in the `@PactVerification` annotation. For an example, look at
[PactMultiProviderTest](src/test/java/au/com/dius/pact/consumer/pactproviderrule/PactMultiProviderTest.java).
Note that if more than one provider fails verification for the same test, you will only receive a failure for one of them.
Also, to have multiple tests in the same test class, the providers must be setup with random ports (i.e. don't specify
a hostname and port). Also, if the provider name is left out of any of the annotations, the first one found will be used
(which may not be the first one defined).
### Requiring the mock server to run with HTTPS [versions 3.2.7/2.4.9+]
From versions 3.2.7/2.4.9+ the mock server can be started running with HTTPS using a self-signed certificate instead of HTTP.
To enable this set the `https` parameter to `true`.
E.g.:
```java
@Rule
public PactProviderRule mockTestProvider = new PactProviderRule("test_provider", "localhost", 8443, true,
PactSpecVersion.V2, this); // ^^^^
```
For an example test doing this, see [PactProviderHttpsTest](src/test/java/au/com/dius/pact/consumer/pactproviderrule/PactProviderHttpsTest.java).
**NOTE:** The provider will start handling HTTPS requests using a self-signed certificate. Most HTTP clients will not accept
connections to a self-signed server as the certificate is untrusted. You may need to enable insecure HTTPS with your client
for this test to work. For an example of how to enable insecure HTTPS client connections with Apache Http Client, have a
look at [InsecureHttpsRequest](src/test/java/org/apache/http/client/fluent/InsecureHttpsRequest.java).
### Requiring the mock server to run with HTTPS with a keystore [versions 3.4.1+]
From versions 3.4.1+ the mock server can be started running with HTTPS using a keystore.
To enable this set the `https` parameter to `true`, set the keystore path/file, and the keystore's password.
E.g.:
```java
@Rule
public PactProviderRule mockTestProvider = new PactProviderRule("test_provider", "localhost", 8443, true,
"/path/to/your/keystore.jks", "your-keystore-password", PactSpecVersion.V2, this);
```
For an example test doing this, see [PactProviderHttpsKeystoreTest](src/test/java/au/com/dius/pact/consumer/pactproviderrule/PactProviderHttpsKeystoreTest.java).
### Setting default expected request and response values [versions 3.5.10+]
If you have a lot of tests that may share some values (like headers), you can setup default values that will be applied
to all the expected requests and responses for the tests. To do this, you need to create a method that takes single
parameter of the appropriate type (`PactDslRequestWithoutPath` or `PactDslResponse`) and annotate it with the default
marker annotation (`@DefaultRequestValues` or `@DefaultResponseValues`).
For example:
```java
@DefaultRequestValues
public void defaultRequestValues(PactDslRequestWithoutPath request) {
Map<String, String> headers = new HashMap<String, String>();
headers.put("testreqheader", "testreqheadervalue");
request.headers(headers);
}
@DefaultResponseValues
public void defaultResponseValues(PactDslResponse response) {
Map<String, String> headers = new HashMap<String, String>();
headers.put("testresheader", "testresheadervalue");
response.headers(headers);
}
```
For an example test that uses these, have a look at [PactProviderWithMultipleFragmentsTest](src/test/java/au/com/dius/pact/consumer/pactproviderrule/PactProviderWithMultipleFragmentsTest.java)
### Note on HTTP clients and persistent connections
Some HTTP clients may keep the connection open, based on the live connections settings or if they use a connection cache. This could
cause your tests to fail if the client you are testing lives longer than an individual test, as the mock server will be started
and shutdown for each test. This will result in the HTTP client connection cache having invalid connections. For an example of this where
the there was a failure for every second test, see [Issue #342](https://github.com/DiUS/pact-jvm/issues/342).
### Using the Pact DSL directly
Sometimes it is not convenient to use the ConsumerPactTest as it only allows one test per test class. The DSL can be
used directly in this case.
Example:
```java
import au.com.dius.pact.consumer.ConsumerPactBuilder;
import au.com.dius.pact.consumer.PactVerificationResult;
import au.com.dius.pact.consumer.exampleclients.ProviderClient;
import au.com.dius.pact.model.MockProviderConfig;
import au.com.dius.pact.model.RequestResponsePact;
import org.junit.Test;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;
import static au.com.dius.pact.consumer.ConsumerPactRunnerKt.runConsumerTest;
import static org.junit.Assert.assertEquals;
/**
* Sometimes it is not convenient to use the ConsumerPactTest as it only allows one test per test class.
* The DSL can be used directly in this case.
*/
public class DirectDSLConsumerPactTest {
@Test
public void testPact() {
RequestResponsePact pact = ConsumerPactBuilder
.consumer("Some Consumer")
.hasPactWith("Some Provider")
.uponReceiving("a request to say Hello")
.path("/hello")
.method("POST")
.body("{\"name\": \"harry\"}")
.willRespondWith()
.status(200)
.body("{\"hello\": \"harry\"}")
.toPact();
MockProviderConfig config = MockProviderConfig.createDefault();
PactVerificationResult result = runConsumerTest(pact, config, mockServer -> {
Map expectedResponse = new HashMap();
expectedResponse.put("hello", "harry");
try {
assertEquals(new ProviderClient(mockServer.getUrl()).hello("{\"name\": \"harry\"}"),
expectedResponse);
} catch (IOException e) {
throw new RuntimeException(e);
}
});
if (result instanceof PactVerificationResult.Error) {
throw new RuntimeException(((PactVerificationResult.Error)result).getError());
}
assertEquals(PactVerificationResult.Ok.INSTANCE, result);
}
}
```
### The Pact JUnit DSL
The DSL has the following pattern:
```java
.consumer("Some Consumer")
.hasPactWith("Some Provider")
.given("a certain state on the provider")
.uponReceiving("a request for something")
.path("/hello")
.method("POST")
.body("{\"name\": \"harry\"}")
.willRespondWith()
.status(200)
.body("{\"hello\": \"harry\"}")
.uponReceiving("another request for something")
.path("/hello")
.method("POST")
.body("{\"name\": \"harry\"}")
.willRespondWith()
.status(200)
.body("{\"hello\": \"harry\"}")
.
.
.
.toPact()
```
You can define as many interactions as required. Each interaction starts with `uponReceiving` followed by `willRespondWith`.
The test state setup with `given` is a mechanism to describe what the state of the provider should be in before the provider
is verified. It is only recorded in the consumer tests and used by the provider verification tasks.
### Building JSON bodies with PactDslJsonBody DSL
**NOTE:** If you are using Java 8, there is [an updated DSL for consumer tests](../pact-jvm-consumer-java8).
The body method of the ConsumerPactBuilder can accept a PactDslJsonBody, which can construct a JSON body as well as
define regex and type matchers.
For example:
```java
PactDslJsonBody body = new PactDslJsonBody()
.stringType("name")
.booleanType("happy")
.hexValue("hexCode")
.id()
.ipAddress("localAddress")
.numberValue("age", 100)
.timestamp();
```
#### DSL Matching methods
The following matching methods are provided with the DSL. In most cases, they take an optional value parameter which
will be used to generate example values (i.e. when returning a mock response). If no example value is given, a random
one will be generated.
| method | description |
|--------|-------------|
| string, stringValue | Match a string value (using string equality) |
| number, numberValue | Match a number value (using Number.equals)\* |
| booleanValue | Match a boolean value (using equality) |
| stringType | Will match all Strings |
| numberType | Will match all numbers\* |
| integerType | Will match all numbers that are integers (both ints and longs)\* |
| decimalType | Will match all real numbers (floating point and decimal)\* |
| booleanType | Will match all boolean values (true and false) |
| stringMatcher | Will match strings using the provided regular expression |
| timestamp | Will match string containing timestamps. If a timestamp format is not given, will match an ISO timestamp format |
| date | Will match string containing dates. If a date format is not given, will match an ISO date format |
| time | Will match string containing times. If a time format is not given, will match an ISO time format |
| ipAddress | Will match string containing IP4 formatted address. |
| id | Will match all numbers by type |
| hexValue | Will match all hexadecimal encoded strings |
| uuid | Will match strings containing UUIDs |
| includesStr | Will match strings containing the provided string |
| equalsTo | Will match using equals |
| matchUrl | Defines a matcher for URLs, given the base URL path and a sequence of path fragments. The path fragments could be strings or regular expression matchers |
_\* Note:_ JSON only supports double precision floating point values. Depending on the language implementation, they
may parsed as integer, floating point or decimal numbers.
#### Ensuring all items in a list match an example (2.2.0+)
Lots of the time you might not know the number of items that will be in a list, but you want to ensure that the list
has a minimum or maximum size and that each item in the list matches a given example. You can do this with the `arrayLike`,
`minArrayLike` and `maxArrayLike` functions.
| function | description |
|----------|-------------|
| `eachLike` | Ensure that each item in the list matches the provided example |
| `maxArrayLike` | Ensure that each item in the list matches the provided example and the list is no bigger than the provided max |
| `minArrayLike` | Ensure that each item in the list matches the provided example and the list is no smaller than the provided min |
For example:
```java
DslPart body = new PactDslJsonBody()
.minArrayLike("users", 1)
.id()
.stringType("name")
.closeObject()
.closeArray();
```
This will ensure that the users list is never empty and that each user has an identifier that is a number and a name that is a string.
__Version 3.2.4/2.4.6+__ You can specify the number of example items to generate in the array. The default is 1.
```java
DslPart body = new PactDslJsonBody()
.minArrayLike("users", 1, 2)
.id()
.stringType("name")
.closeObject()
.closeArray();
```
This will generate the example body with 2 items in the users list.
#### Root level arrays that match all items (version 2.2.11+)
If the root of the body is an array, you can create PactDslJsonArray classes with the following methods:
| function | description |
|----------|-------------|
| `arrayEachLike` | Ensure that each item in the list matches the provided example |
| `arrayMinLike` | Ensure that each item in the list matches the provided example and the list is no bigger than the provided max |
| `arrayMaxLike` | Ensure that each item in the list matches the provided example and the list is no smaller than the provided min |
For example:
```java
PactDslJsonArray.arrayEachLike()
.date("clearedDate", "mm/dd/yyyy", date)
.stringType("status", "STATUS")
.decimalType("amount", 100.0)
.closeObject()
```
This will then match a body like:
```json
[ {
"clearedDate" : "07/22/2015",
"status" : "C",
"amount" : 15.0
}, {
"clearedDate" : "07/22/2015",
"status" : "C",
"amount" : 15.0
}, {
"clearedDate" : "07/22/2015",
"status" : "C",
"amount" : 15.0
} ]
```
__Version 3.2.4/2.4.6+__ You can specify the number of example items to generate in the array. The default is 1.
#### Matching JSON values at the root (Version 3.2.2/2.4.3+)
For cases where you are expecting basic JSON values (strings, numbers, booleans and null) at the root level of the body
and need to use matchers, you can use the `PactDslJsonRootValue` class. It has all the DSL matching methods for basic
values that you can use.
For example:
```java
.consumer("Some Consumer")
.hasPactWith("Some Provider")
.uponReceiving("a request for a basic JSON value")
.path("/hello")
.willRespondWith()
.status(200)
.body(PactDslJsonRootValue.integerType())
```
#### Matching any key in a map (3.3.1/2.5.0+)
The DSL has been extended for cases where the keys in a map are IDs. For an example of this, see
[#313](https://github.com/DiUS/pact-jvm/issues/313). In this case you can use the `eachKeyLike` method, which takes an
example key as a parameter.
For example:
```java
DslPart body = new PactDslJsonBody()
.object("one")
.eachKeyLike("001", PactDslJsonRootValue.id(12345L)) // key like an id mapped to a matcher
.closeObject()
.object("two")
.eachKeyLike("001-A") // key like an id where the value is matched by the following example
.stringType("description", "Some Description")
.closeObject()
.closeObject()
.object("three")
.eachKeyMappedToAnArrayLike("001") // key like an id mapped to an array where each item is matched by the following example
.id("someId", 23456L)
.closeObject()
.closeArray()
.closeObject();
```
For an example, have a look at [WildcardKeysTest](src/test/java/au/com/dius/pact/consumer/WildcardKeysTest.java).
**NOTE:** The `eachKeyLike` method adds a `*` to the matching path, so the matching definition will be applied to all keys
of the map if there is not a more specific matcher defined for a particular key. Having more than one `eachKeyLike` condition
applied to a map will result in only one being applied when the pact is verified (probably the last).
**Further Note: From version 3.5.22 onwards pacts with wildcards applied to map keys will require the Java system property
"pact.matching.wildcard" set to value "true" when the pact file is verified.**
#### Combining matching rules with AND/OR
Matching rules can be combined with AND/OR. There are two methods available on the DSL for this. For example:
```java
DslPart body = new PactDslJsonBody()
.numberValue("valueA", 100)
.and("valueB","AB", PM.includesStr("A"), PM.includesStr("B")) // Must match both matching rules
.or("valueC", null, PM.date(), PM.nullValue()) // will match either a valid date or a null value
```
The `and` and `or` methods take a variable number of matchers (varargs).
### Matching on paths (version 2.1.5+)
You can use regular expressions to match incoming requests. The DSL has a `matchPath` method for this. You can provide
a real path as a second value to use when generating requests, and if you leave it out it will generate a random one
from the regular expression.
For example:
```java
.given("test state")
.uponReceiving("a test interaction")
.matchPath("/transaction/[0-9]+") // or .matchPath("/transaction/[0-9]+", "/transaction/1234567890")
.method("POST")
.body("{\"name\": \"harry\"}")
.willRespondWith()
.status(200)
.body("{\"hello\": \"harry\"}")
```
### Matching on headers (version 2.2.2+)
You can use regular expressions to match request and response headers. The DSL has a `matchHeader` method for this. You can provide
an example header value to use when generating requests and responses, and if you leave it out it will generate a random one
from the regular expression.
For example:
```java
.given("test state")
.uponReceiving("a test interaction")
.path("/hello")
.method("POST")
.matchHeader("testreqheader", "test.*value")
.body("{\"name\": \"harry\"}")
.willRespondWith()
.status(200)
.body("{\"hello\": \"harry\"}")
.matchHeader("Location", ".*/hello/[0-9]+", "/hello/1234")
```
### Matching on query parameters (version 3.3.7+)
You can use regular expressions to match request query parameters. The DSL has a `matchQuery` method for this. You can provide
an example value to use when generating requests, and if you leave it out it will generate a random one
from the regular expression.
For example:
```java
.given("test state")
.uponReceiving("a test interaction")
.path("/hello")
.method("POST")
.matchQuery("a", "\\d+", "100")
.matchQuery("b", "[A-Z]", "X")
.body("{\"name\": \"harry\"}")
.willRespondWith()
.status(200)
.body("{\"hello\": \"harry\"}")
```
## Debugging pact failures
When the test runs, Pact will start a mock provider that will listen for requests and match them against the expectations
you setup in `createFragment`. If the request does not match, it will return a 500 error response.
Each request received and the generated response is logged using [SLF4J](http://www.slf4j.org/). Just enable debug level
logging for au.com.dius.pact.consumer.UnfilteredMockProvider. Most failures tend to be mismatched headers or bodies.
## Changing the directory pact files are written to (2.1.9+)
By default, pact files are written to `target/pacts`, but this can be overwritten with the `pact.rootDir` system property.
This property needs to be set on the test JVM as most build tools will fork a new JVM to run the tests.
For Gradle, add this to your build.gradle:
```groovy
test {
systemProperties['pact.rootDir'] = "$buildDir/pacts"
}
```
For maven, use the systemPropertyVariables configuration:
```xml
<project>
[...]
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-plugin</artifactId>
<version>2.18</version>
<configuration>
<systemPropertyVariables>
<pact.rootDir>some/other/directory</pact.rootDir>
<buildDirectory>${project.build.directory}</buildDirectory>
[...]
</systemPropertyVariables>
</configuration>
</plugin>
</plugins>
</build>
[...]
</project>
```
For SBT:
```scala
fork in Test := true,
javaOptions in Test := Seq("-Dpact.rootDir=some/other/directory")
```
# Publishing your pact files to a pact broker
If you use Gradle, you can use the [pact Gradle plugin](https://github.com/DiUS/pact-jvm/tree/master/pact-jvm-provider-gradle#publishing-pact-files-to-a-pact-broker) to publish your pact files.
# Pact Specification V3
Version 3 of the pact specification changes the format of pact files in the following ways:
* Query parameters are stored in a map form and are un-encoded (see [#66](https://github.com/DiUS/pact-jvm/issues/66)
and [#97](https://github.com/DiUS/pact-jvm/issues/97) for information on what this can cause).
* Introduces a new message pact format for testing interactions via a message queue.
* Multiple provider states can be defined with data parameters.
## Generating V2 spec pact files (3.1.0+, 2.3.0+)
To have your consumer tests generate V2 format pacts, you can set the specification version to V2. If you're using the
`ConsumerPactTest` base class, you can override the `getSpecificationVersion` method. For example:
```java
@Override
protected PactSpecVersion getSpecificationVersion() {
return PactSpecVersion.V2;
}
```
If you are using the `PactProviderRuleMk2`, you can pass the version into the constructor for the rule.
```java
@Rule
public PactProviderRuleMk2 mockTestProvider = new PactProviderRuleMk2("test_provider", PactSpecVersion.V2, this);
```
## Consumer test for a message consumer
For testing a consumer of messages from a message queue, the `MessagePactProviderRule` rule class works in much the
same way as the `PactProviderRule` class for Request-Response interactions, but will generate a V3 format message pact file.
For an example, look at [ExampleMessageConsumerTest](https://github.com/DiUS/pact-jvm/blob/master/pact-jvm-consumer-junit%2Fsrc%2Ftest%2Fjava%2Fau%2Fcom%2Fdius%2Fpact%2Fconsumer%2Fv3%2FExampleMessageConsumerTest.java)
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Last update 04. November 2018
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URL https://github.com/DiUS/pact-jvm
License Apache 2
Dependencies amount 12
Dependencies kotlin-stdlib-jdk8, kotlin-reflect, slf4j-api, groovy-all, kotlin-logging, scala-library, scala-logging_2.11, pact-jvm-consumer_2.11, junit, json, commons-lang3, guava,
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Group au.com.dius
Version 3.5.24
Last update 04. November 2018
Organization not specified
URL https://github.com/DiUS/pact-jvm
License Apache 2
Dependencies amount 12
Dependencies kotlin-stdlib-jdk8, kotlin-reflect, slf4j-api, groovy-all, kotlin-logging, scala-library, scala-logging_2.11, pact-jvm-consumer_2.11, junit, json, commons-lang3, guava,
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pact-jvm-consumer-groovy_2.11 from group au.com.dius (version 3.5.24)
pact-jvm-consumer-groovy
=========================
Groovy DSL for Pact JVM
##Dependency
The library is available on maven central using:
* group-id = `au.com.dius`
* artifact-id = `pact-jvm-consumer-groovy_2.11`
* version-id = `2.1.0`
##Usage
Add the `pact-jvm-consumer-groovy` library to your test class path. This provides a `PactBuilder` class for you to use
to define your pacts. For a full example, have a look at the example JUnit `ExampleGroovyConsumerPactTest`.
If you are using gradle for your build, add it to your `build.gradle`:
dependencies {
testCompile 'au.com.dius:pact-jvm-consumer-groovy_2.11:2.1.0'
}
Then create an instance of the `PactBuilder` in your test.
```groovy
@Test
void "A service consumer side of a pact goes a little something like this"() {
def alice_service = new PactBuilder() // Create a new PactBuilder
alice_service {
serviceConsumer "Consumer" // Define the service consumer by name
hasPactWith "Alice Service" // Define the service provider that it has a pact with
port 1234 // The port number for the service. It is optional, leave it out to
// to use a random one
given('there is some good mallory') // defines a provider state. It is optional.
uponReceiving('a retrieve Mallory request') // upon_receiving starts a new interaction
withAttributes(method: 'get', path: '/mallory') // define the request, a GET request to '/mallory'
willRespondWith( // define the response we want returned
status: 200,
headers: ['Content-Type': 'text/html'],
body: '"That is some good Mallory."'
)
}
// Execute the run method to have the mock server run.
// It takes a closure to execute your requests and returns a Pact VerificationResult.
VerificationResult result = alice_service.run() {
def client = new RESTClient('http://localhost:1234/')
def alice_response = client.get(path: '/mallory')
assert alice_response.status == 200
assert alice_response.contentType == 'text/html'
def data = alice_response.data.text()
assert data == '"That is some good Mallory."'
}
assert result == PactVerified$.MODULE$ // This means it is all good in weird Scala speak.
}
```
After running this test, the following pact file is produced:
{
"provider" : {
"name" : "Alice Service"
},
"consumer" : {
"name" : "Consumer"
},
"interactions" : [ {
"provider_state" : "there is some good mallory",
"description" : "a retrieve Mallory request",
"request" : {
"method" : "get",
"path" : "/mallory",
"requestMatchers" : { }
},
"response" : {
"status" : 200,
"headers" : {
"Content-Type" : "text/html"
},
"body" : "That is some good Mallory.",
"responseMatchers" : { }
}
} ]
}
### DSL Methods
#### serviceConsumer(String consumer)
This names the service consumer for the pact.
#### hasPactWith(String provider)
This names the service provider for the pact.
#### port(int port)
Sets the port that the mock server will run on. If not supplied, a random port will be used.
#### given(String providerState)
Defines a state that the provider needs to be in for the request to succeed. For more info, see
https://github.com/realestate-com-au/pact/wiki/Provider-states
#### uponReceiving(String requestDescription)
Starts the definition of a of a pact interaction.
#### withAttributes(Map requestData)
Defines the request for the interaction. The request data map can contain the following:
| key | Description | Default Value |
|----------------------------|-------------------------------------------|-----------------------------|
| method | The HTTP method to use | get |
| path | The Path for the request | / |
| query | Query parameters as a Map<String, List> | |
| headers | Map of key-value pairs for the request headers | |
| body | The body of the request. If it is not a string, it will be converted to JSON. Also accepts a PactBodyBuilder. | |
#### withBody(Closure closure)
Constructs the body of the request or response by invoking the supplied closure in the context of a PactBodyBuilder.
#### willRespondWith(Map responseData)
Defines the response for the interaction. The response data map can contain the following:
| key | Description | Default Value |
|----------------------------|-------------------------------------------|-----------------------------|
| status | The HTTP status code to return | 200 |
| headers | Map of key-value pairs for the response headers | |
| body | The body of the response. If it is not a string, it will be converted to JSON. Also accepts a PactBodyBuilder. | |
#### VerificationResult run(Closure closure)
The `run` method starts the mock server, and then executes the provided closure. It then returns the pact verification
result for the pact run. If you require access to the mock server configuration for the URL, it is passed into the
closure, e.g.,
```groovy
VerificationResult result = alice_service.run() { config ->
def client = new RESTClient(config.url())
def alice_response = client.get(path: '/mallory')
}
```
### Body DSL
For building JSON bodies there is a `PactBodyBuilder` that provides as DSL that includes matching with regular expressions
and by types. For a more complete example look at `PactBodyBuilderTest`.
For an example:
```groovy
service {
uponReceiving('a request')
withAttributes(method: 'get', path: '/')
withBody {
name(~/\w+/, 'harry')
surname regexp(~/\w+/, 'larry')
position regexp(~/staff|contractor/, 'staff')
happy(true)
}
}
```
This will return the following body:
```json
{
"name": "harry",
"surname": "larry",
"position": "staff",
"happy": true
}
```
and add the following matchers:
```json
"$.body.name": ["regex": "\\w+"],
"$.body.surname": ["regex": "\\w+"],
"$.body.position": ["regex": "staff|contractor"]
```
#### DSL Methods
The DSL supports the following matching methods:
* regexp(Pattern re, String value = null), regexp(String regexp, String value = null)
Defines a regular expression matcher. If the value is not provided, a random one will be generated.
* hexValue(String value = null)
Defines a matcher that accepts hexidecimal values. If the value is not provided, a random hexidcimal value will be
generated.
* identifier(def value = null)
Defines a matcher that accepts integer values. If the value is not provided, a random value will be generated.
* ipAddress(String value = null)
Defines a matcher that accepts IP addresses. If the value is not provided, a 127.0.0.1 will be used.
* numeric(Number value = null)
Defines a matcher that accepts any numerical values. If the value is not provided, a random integer will be used.
* timestamp(def value = null)
Defines a matcher that accepts ISO and SMTP timestamps. If the value is not provided, the current date and time is used.
* guid(String value = null)
Defines a matcher that accepts UUIDs. A random one will be generated if no value is provided.
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Group au.com.dius
Version 3.5.24
Last update 04. November 2018
Organization not specified
URL https://github.com/DiUS/pact-jvm
License Apache 2
Dependencies amount 10
Dependencies unfiltered-netty-server_2.11, scala-library, groovy-all, json4s-native_2.11, dispatch-core_2.11, pact-jvm-consumer_2.11, json4s-jackson_2.11, scala-xml_2.11, scala-logging-slf4j_2.11, slf4j-api,
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pact-jvm-provider-gradle_2.10 from group au.com.dius (version 2.4.20)
pact-jvm-provider-gradle
========================
Gradle plugin for verifying pacts against a provider.
The Gradle plugin creates a task `pactVerify` to your build which will verify all configured pacts against your provider.
## To Use It
### For Gradle versions prior to 2.1
#### 1.1. Add the pact-jvm-provider-gradle jar file to your build script class path:
```groovy
buildscript {
repositories {
mavenCentral()
}
dependencies {
classpath 'au.com.dius:pact-jvm-provider-gradle_2.10:2.2.1'
}
}
```
#### 1.2. Apply the pact plugin
```groovy
apply plugin: 'au.com.dius.pact'
```
### For Gradle versions 2.1+
```groovy
plugins {
id "au.com.dius.pact" version "2.2.1"
}
```
### 2. Define the pacts between your consumers and providers
```groovy
pact {
serviceProviders {
// You can define as many as you need, but each must have a unique name
provider1 {
// All the provider properties are optional, and have sensible defaults (shown below)
protocol = 'http'
host = 'localhost'
port = 8080
path = '/'
// Again, you can define as many consumers for each provider as you need, but each must have a unique name
hasPactWith('consumer1') {
// currently supports a file path using file() or a URL using url()
pactFile = file('path/to/provider1-consumer1-pact.json')
}
// Or if you have many pact files in a directory
hasPactsWith('manyConsumers') {
// Will define a consumer for each pact file in the directory.
// Consumer name is read from contents of pact file
pactFileLocation = file('path/to/pacts')
}
}
}
}
```
### 3. Execute `gradle pactVerify`
## Specifying the provider hostname at runtime
If you need to calculate the provider hostname at runtime, you can give a Closure as the provider host.
```groovy
pact {
serviceProviders {
provider1 {
host = { lookupHostName() }
hasPactWith('consumer1') {
pactFile = file('path/to/provider1-consumer1-pact.json')
}
}
}
}
```
## Starting and shutting down your provider
If you need to start-up or shutdown your provider, you can define a start and terminate task for each provider.
You could use the jetty tasks here if you provider is built as a WAR file.
```groovy
// This will be called before the provider task
task('startTheApp') << {
// start up your provider here
}
// This will be called after the provider task
task('killTheApp') << {
// kill your provider here
}
pact {
serviceProviders {
provider1 {
startProviderTask = startTheApp
terminateProviderTask = killTheApp
hasPactWith('consumer1') {
pactFile = file('path/to/provider1-consumer1-pact.json')
}
}
}
}
```
Following typical Gradle behaviour, you can set the provider task properties to the actual tasks, or to the task names
as a string (for the case when they haven't been defined yet).
## Enabling insecure SSL [version 2.2.8+]
For providers that are running on SSL with self-signed certificates, you need to enable insecure SSL mode by setting
`insecure = true` on the provider.
```groovy
pact {
serviceProviders {
provider1 {
insecure = true // allow SSL with a self-signed cert
hasPactWith('consumer1') {
pactFile = file('path/to/provider1-consumer1-pact.json')
}
}
}
}
```
## Specifying a custom trust store [version 2.2.8+]
For environments that are running their own certificate chains:
```groovy
pact {
serviceProviders {
provider1 {
trustStore = new File('relative/path/to/trustStore.jks')
trustStorePassword = 'changeit'
hasPactWith('consumer1') {
pactFile = file('path/to/provider1-consumer1-pact.json')
}
}
}
}
`trustStore` is either relative to the current working (build) directory. `trustStorePassword` defaults to `changeit`.
NOTE: The hostname will still be verified against the certificate.
## Modifying the HTTP Client Used [version 2.2.4+]
The default HTTP client is used for all requests to providers (created with a call to `HttpClients.createDefault()`).
This can be changed by specifying a closure assigned to createClient on the provider that returns a CloseableHttpClient. For example:
```groovy
pact {
serviceProviders {
provider1 {
createClient = { provider ->
// This will enable the client to accept self-signed certificates
HttpClients.custom().setSSLHostnameVerifier(new NoopHostnameVerifier())
.setSslcontext(new SSLContextBuilder().loadTrustMaterial(null, { x509Certificates, s -> true })
.build())
.build()
}
hasPactWith('consumer1') {
pactFile = file('path/to/provider1-consumer1-pact.json')
}
}
}
}
```
## Modifying the requests before they are sent
**NOTE on breaking change: Version 2.1.8+ uses Apache HttpClient instead of HttpBuilder so the closure will receive a
HttpRequest object instead of a request Map.**
Sometimes you may need to add things to the requests that can't be persisted in a pact file. Examples of these would
be authentication tokens, which have a small life span. The Pact Gradle plugin provides a request filter that can be
set to a closure on the provider that will be called before the request is made. This closure will receive the HttpRequest
prior to it being executed.
```groovy
pact {
serviceProviders {
provider1 {
requestFilter = { req ->
// Add an authorization header to each request
req.addHeader('Authorization', 'OAUTH eyJhbGciOiJSUzI1NiIsImN0eSI6ImFw...')
}
hasPactWith('consumer1') {
pactFile = file('path/to/provider1-consumer1-pact.json')
}
}
}
}
```
## Project Properties
The following project properties can be specified with `-Pproperty=value` on the command line:
|Property|Description|
|--------|-----------|
|pact.showStacktrace|This turns on stacktrace printing for each request. It can help with diagnosing network errors|
|pact.filter.consumers|Comma seperated list of consumer names to verify|
|pact.filter.description|Only verify interactions whose description match the provided regular expression|
|pact.filter.providerState|Only verify interactions whose provider state match the provided regular expression. An empty string matches interactions that have no state|
## Provider States
For a description of what provider states are, see the wiki in the Ruby project:
https://github.com/realestate-com-au/pact/wiki/Provider-states
### Using a state change URL
For each provider you can specify a state change URL to use to switch the state of the provider. This URL will
receive the providerState description from the pact file before each interaction via a POST. As for normal requests,
a request filter (`stateChangeRequestFilter`) can also be set to manipulate the request before it is sent.
```groovy
pact {
serviceProviders {
provider1 {
hasPactWith('consumer1') {
pactFile = file('path/to/provider1-consumer1-pact.json')
stateChange = url('http://localhost:8001/tasks/pactStateChange')
stateChangeUsesBody = false // defaults to true
stateChangeRequestFilter = { req ->
// Add an authorization header to each request
req.addHeader('Authorization', 'OAUTH eyJhbGciOiJSUzI1NiIsImN0eSI6ImFw...')
}
}
// or
hasPactsWith('consumers') {
pactFileLocation = file('path/to/pacts')
stateChange = url('http://localhost:8001/tasks/pactStateChange')
stateChangeUsesBody = false // defaults to true
}
}
}
}
```
If the `stateChangeUsesBody` is not specified, or is set to true, then the provider state description will be sent as
JSON in the body of the request. If it is set to false, it will passed as a query parameter.
### Using a Closure [version 2.2.2+]
You can set a closure to be called before each verification with a defined provider state. The closure will be
called with the state description from the pact file.
```groovy
pact {
serviceProviders {
provider1 {
hasPactWith('consumer1') {
pactFile = file('path/to/provider1-consumer1-pact.json')
// Load a fixture file based on the provider state and then setup some database
// data. Does not require a state change request so returns false
stateChange = { providerState ->
def fixture = loadFixtuerForProviderState(providerState)
setupDatabase(fixture)
}
}
}
}
}
```
## Filtering the interactions that are verified
You can filter the interactions that are run using three project properties: `pact.filter.consumers`, `pact.filter.description` and `pact.filter.providerState`.
Adding `-Ppact.filter.consumers=consumer1,consumer2` to the command line will only run the pact files for those
consumers (consumer1 and consumer2). Adding `-Ppact.filter.description=a request for payment.*` will only run those interactions
whose descriptions start with 'a request for payment'. `-Ppact.filter.providerState=.*payment` will match any interaction that
has a provider state that ends with payment, and `-Ppact.filter.providerState=` will match any interaction that does not have a
provider state.
## Verifying pact files from a pact broker [version 3.1.1+/2.3.1+]
You can setup your build to validate against the pacts stored in a pact broker. The pact gradle plugin will query
the pact broker for all consumers that have a pact with the provider based on its name.
For example:
```groovy
pact {
serviceProviders {
provider1 {
hasPactsFromPactBroker('http://pact-broker:5000/')
}
}
}
```
This will verify all pacts found in the pact broker where the provider name is 'provider1'. If you need to set any
values on the consumers from the pact broker, you can add a Closure to configure them.
```groovy
pact {
serviceProviders {
provider1 {
hasPactsFromPactBroker('http://pact-broker:5000/') { consumer ->
stateChange = { providerState -> /* state change code here */ true }
}
}
}
}
```
**NOTE: Currently the pacts are fetched from the broker during the configuration phase of the build. This means that
if the broker is not available, you will not be able to run any Gradle tasks.** This should be fixed in a forth coming
release.
In the mean time, to only load the pacts when running the validate task, you can do something like:
```groovy
pact {
serviceProviders {
provider1 {
// Only load the pacts from the broker if the start tasks from the command line include pactVerify
if ('pactVerify' in gradle.startParameter.taskNames) {
hasPactsFromPactBroker('http://pact-broker:5000/') { consumer ->
stateChange = { providerState -> /* state change code here */ true }
}
}
}
}
}
```
# Publishing pact files to a pact broker [version 2.2.7+]
The pact gradle plugin provides a `pactPublish` task that can publish all pact files in a directory
to a pact broker. To use it, you need to add a publish configuration to the pact configuration that defines the
directory where the pact files are and the URL to the pact broker.
For example:
```groovy
pact {
publish {
pactDirectory = '/pact/dir' // defaults to $buildDir/pacts
pactBrokerUrl = 'http://pactbroker:1234'
}
}
```
_NOTE:_ The pact broker requires a version for all published pacts. The `pactPublish` task will use the version of the
gradle project. Make sure you have set one otherwise the broker will reject the pact files.
# Verifying a message provider [version 2.2.12+]
The Gradle plugin has been updated to allow invoking test methods that can return the message contents from a message
producer. To use it, set the way to invoke the verification to `ANNOTATED_METHOD`. This will allow the pact verification
task to scan for test methods that return the message contents.
Add something like the following to your gradle build file:
```groovy
pact {
serviceProviders {
messageProvider {
verificationType = 'ANNOTATED_METHOD'
packagesToScan = ['au.com.example.messageprovider.*'] // This optional, but leaving it out will result in the entire
// test classpath being scanned
hasPactWith('messageConsumer') {
pactFile = url('url/to/messagepact.json')
}
}
}
}
```
Now when the `pactVerify` task is run, will look for methods annotated with `@PactVerifyProvider` in the test classpath
that have a matching description to what is in the pact file.
```groovy
class ConfirmationKafkaMessageBuilderTest {
@PactVerifyProvider('an order confirmation message')
String verifyMessageForOrder() {
Order order = new Order()
order.setId(10000004)
order.setExchange('ASX')
order.setSecurityCode('CBA')
order.setPrice(BigDecimal.TEN)
order.setUnits(15)
order.setGst(new BigDecimal('15.0'))
odrer.setFees(BigDecimal.TEN)
def message = new ConfirmationKafkaMessageBuilder()
.withOrder(order)
.build()
JsonOutput.toJson(message)
}
}
```
It will then validate that the returned contents matches the contents for the message in the pact file.
## Publishing to the Gradle Community Portal
To publish the plugin to the community portal:
$ ./gradlew :pact-jvm-provider-gradle_2.11:publishPlugins
Group: au.com.dius Artifact: pact-jvm-provider-gradle_2.10
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Group au.com.dius
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URL https://github.com/DiUS/pact-jvm
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Dependencies scala-library, jansi, http-builder, slf4j-api, pact-jvm-provider_2.10, scala-compiler,
There are maybe transitive dependencies!
Group au.com.dius
Version 2.4.20
Last update 14. April 2018
Organization not specified
URL https://github.com/DiUS/pact-jvm
License Apache 2
Dependencies amount 6
Dependencies scala-library, jansi, http-builder, slf4j-api, pact-jvm-provider_2.10, scala-compiler,
There are maybe transitive dependencies!
pact-jvm-consumer-junit_2.10 from group au.com.dius (version 2.4.20)
pact-jvm-consumer-junit
=======================
Provides a DSL and a base test class for use with Junit to build consumer tests.
##Dependency
The library is available on maven central using:
* group-id = `au.com.dius`
* artifact-id = `pact-jvm-consumer-junit_2.11`
* version-id = `3.0.x`
##Usage
### Using the base ConsumerPactTest
To write a pact spec extend ConsumerPactTestMk2. This base class defines the following four methods which must be
overridden in your test class.
* *providerName:* Returns the name of the API provider that Pact will mock
* *consumerName:* Returns the name of the API consumer that we are testing.
* *createFragment:* Returns the PactFragment containing the interactions that the test setup using the
ConsumerPactBuilder DSL
* *runTest:* The actual test run. It receives the URL to the mock server as a parameter.
Here is an example:
```java
import au.com.dius.pact.consumer.dsl.PactDslWithProvider;
import au.com.dius.pact.consumer.exampleclients.ConsumerClient;
import au.com.dius.pact.consumer.ConsumerPactTest;
import au.com.dius.pact.model.PactFragment;
import org.junit.Assert;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;
import static org.junit.Assert.assertEquals;
public class ExampleJavaConsumerPactTest extends ConsumerPactTest {
@Override
protected PactFragment createFragment(PactDslWithProvider builder) {
Map<String, String> headers = new HashMap<String, String>();
headers.put("testreqheader", "testreqheadervalue");
return builder
.given("test state") // NOTE: Using provider states are optional, you can leave it out
.uponReceiving("ExampleJavaConsumerPactTest test interaction")
.path("/")
.method("GET")
.headers(headers)
.willRespondWith()
.status(200)
.headers(headers)
.body("{\"responsetest\": true, \"name\": \"harry\"}")
.given("test state 2") // NOTE: Using provider states are optional, you can leave it out
.uponReceiving("ExampleJavaConsumerPactTest second test interaction")
.method("OPTIONS")
.headers(headers)
.path("/second")
.body("")
.willRespondWith()
.status(200)
.headers(headers)
.body("")
.toFragment();
}
@Override
protected String providerName() {
return "test_provider";
}
@Override
protected String consumerName() {
return "test_consumer";
}
@Override
protected void runTest(String url) throws IOException {
Assert.assertEquals(new ConsumerClient(url).options("/second"), 200);
Map expectedResponse = new HashMap();
expectedResponse.put("responsetest", true);
expectedResponse.put("name", "harry");
assertEquals(new ConsumerClient(url).getAsMap("/", ""), expectedResponse);
assertEquals(new ConsumerClient(url).options("/second"), 200);
}
}
```
### Using the Pact JUnit Rule
Thanks to [@warmuuh](https://github.com/warmuuh) we have a JUnit rule that simplifies running Pact consumer tests. To use it, create a test class
and then add the rule:
#### 1. Add the Pact Rule to your test class to represent your provider.
```java
@Rule
public PactProviderRule mockProvider = new PactProviderRule("test_provider", "localhost", 8080, this);
```
The hostname and port are optional. If left out, it will default to localhost and a random available port.
#### 2. Annotate a method with Pact that returns a pact fragment for the provider and consumer
```java
@Pact(provider="test_provider", consumer="test_consumer")
public PactFragment createFragment(PactDslWithProvider builder) {
return builder
.given("test state")
.uponReceiving("ExampleJavaConsumerPactRuleTest test interaction")
.path("/")
.method("GET")
.willRespondWith()
.status(200)
.body("{\"responsetest\": true}")
.toFragment();
}
```
##### Versions 3.0.2/2.2.13+
You can leave the provider name out. It will then use the provider name of the first mock provider found. I.e.,
```java
@Pact(consumer="test_consumer") // will default to the provider name from mockProvider
public PactFragment createFragment(PactDslWithProvider builder) {
return builder
.given("test state")
.uponReceiving("ExampleJavaConsumerPactRuleTest test interaction")
.path("/")
.method("GET")
.willRespondWith()
.status(200)
.body("{\"responsetest\": true}")
.toFragment();
}
```
#### 3. Annotate your test method with PactVerification to have it run in the context of the mock server setup with the appropriate pact from step 1 and 2
```java
@Test
@PactVerification("test_provider")
public void runTest() {
Map expectedResponse = new HashMap();
expectedResponse.put("responsetest", true);
assertEquals(new ConsumerClient("http://localhost:8080").get("/"), expectedResponse);
}
```
##### Versions 3.0.2/2.2.13+
You can leave the provider name out. It will then use the provider name of the first mock provider found. I.e.,
```java
@Test
@PactVerification
public void runTest() {
// This will run against mockProvider
Map expectedResponse = new HashMap();
expectedResponse.put("responsetest", true);
assertEquals(new ConsumerClient("http://localhost:8080").get("/"), expectedResponse);
}
```
For an example, have a look at [ExampleJavaConsumerPactRuleTest](src/test/java/au/com/dius/pact/consumer/examples/ExampleJavaConsumerPactRuleTest.java)
### Requiring a test with multiple providers
The Pact Rule can be used to test with multiple providers. Just add a rule to the test class for each provider, and
then include all the providers required in the `@PactVerification` annotation. For an example, look at
[PactMultiProviderTest](src/test/java/au/com/dius/pact/consumer/pactproviderrule/PactMultiProviderTest.java).
Note that if more than one provider fails verification for the same test, you will only receive a failure for one of them.
Also, to have multiple tests in the same test class, the providers must be setup with random ports (i.e. don't specify
a hostname and port). Also, if the provider name is left out of any of the annotations, the first one found will be used
(which may not be the first one defined).
### Requiring the mock server to run with HTTPS [versions 3.2.7/2.4.9+]
From versions 3.2.7/2.4.9+ the mock server can be started running with HTTPS using a self-signed certificate instead of HTTP.
To enable this set the `https` parameter to `true`.
E.g.:
```java
@Rule
public PactProviderRule mockTestProvider = new PactProviderRule("test_provider", "localhost", 8443, true,
PactConfig.apply(PactSpecVersion.V2), this); // ^^^^
```
For an exmaple test doing this, see [PactProviderHttpsTest](src/test/java/au/com/dius/pact/consumer/pactproviderrule/PactProviderHttpsTest.java).
**NOTE:** The provider will start handling HTTPS requests using a self-signed certificate. Most HTTP clients will not accept
connections to a self-signed server as the certificate is untrusted. You may need to enable insecure HTTPS with your client
for this test to work. For an example of how to enable insecure HTTPS client connections with Apache Http Client, have a
look at [InsecureHttpsRequest](src/test/java/org/apache/http/client/fluent/InsecureHttpsRequest.java).
### Using the Pact DSL directly
Sometimes it is not convenient to use the ConsumerPactTest as it only allows one test per test class. The DSL can be
used directly in this case.
Example:
```java
import au.com.dius.pact.consumer.ConsumerPactBuilder;
import au.com.dius.pact.consumer.ConsumerPactTest;
import au.com.dius.pact.consumer.PactError;
import au.com.dius.pact.consumer.TestRun;
import au.com.dius.pact.consumer.VerificationResult;
import au.com.dius.pact.consumer.examples.client.ProviderClient;
import au.com.dius.pact.model.MockProviderConfig;
import au.com.dius.pact.model.PactFragment;
import org.junit.Test;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;
import static org.junit.Assert.assertEquals;
public class PactTest {
@Test
public void testPact() {
PactFragment pactFragment = ConsumerPactBuilder
.consumer("Some Consumer")
.hasPactWith("Some Provider")
.uponReceiving("a request to say Hello")
.path("/hello")
.method("POST")
.body("{\"name\": \"harry\"}")
.willRespondWith()
.status(200)
.body("{\"hello\": \"harry\"}")
.toFragment();
MockProviderConfig config = MockProviderConfig.createDefault();
VerificationResult result = pactFragment.runConsumer(config, new TestRun() {
@Override
public void run(MockProviderConfig config) {
Map expectedResponse = new HashMap();
expectedResponse.put("hello", "harry");
try {
assertEquals(new ProviderClient(config.url()).hello("{\"name\": \"harry\"}"),
expectedResponse);
} catch (IOException e) {
throw new RuntimeException(e);
}
}
});
if (result instanceof PactError) {
throw new RuntimeException(((PactError)result).error());
}
assertEquals(ConsumerPactTest.PACT_VERIFIED, result);
}
}
```
### The Pact JUnit DSL
The DSL has the following pattern:
```java
.consumer("Some Consumer")
.hasPactWith("Some Provider")
.given("a certain state on the provider")
.uponReceiving("a request for something")
.path("/hello")
.method("POST")
.body("{\"name\": \"harry\"}")
.willRespondWith()
.status(200)
.body("{\"hello\": \"harry\"}")
.uponReceiving("another request for something")
.path("/hello")
.method("POST")
.body("{\"name\": \"harry\"}")
.willRespondWith()
.status(200)
.body("{\"hello\": \"harry\"}")
.
.
.
.toFragment()
```
You can define as many interactions as required. Each interaction starts with `uponReceiving` followed by `willRespondWith`.
The test state setup with `given` is a mechanism to describe what the state of the provider should be in before the provider
is verified. It is only recorded in the consumer tests and used by the provider verification tasks.
### Building JSON bodies with PactDslJsonBody DSL
The body method of the ConsumerPactBuilder can accept a PactDslJsonBody, which can construct a JSON body as well as
define regex and type matchers.
For example:
```java
PactDslJsonBody body = new PactDslJsonBody()
.stringType("name")
.booleanType("happy")
.hexValue("hexCode")
.id()
.ipAddress("localAddress")
.numberValue("age", 100)
.timestamp();
```
#### DSL Matching methods
The following matching methods are provided with the DSL. In most cases, they take an optional value parameter which
will be used to generate example values (i.e. when returning a mock response). If no example value is given, a random
one will be generated.
| method | description |
|--------|-------------|
| string, stringValue | Match a string value (using string equality) |
| number, numberValue | Match a number value (using Number.equals)\* |
| booleanValue | Match a boolean value (using equality) |
| stringType | Will match all Strings |
| numberType | Will match all numbers\* |
| integerType | Will match all numbers that are integers (both ints and longs)\* |
| decimalType | Will match all real numbers (floating point and decimal)\* |
| booleanType | Will match all boolean values (true and false) |
| stringMatcher | Will match strings using the provided regular expression |
| timestamp | Will match string containing timestamps. If a timestamp format is not given, will match an ISO timestamp format |
| date | Will match string containing dates. If a date format is not given, will match an ISO date format |
| time | Will match string containing times. If a time format is not given, will match an ISO time format |
| ipAddress | Will match string containing IP4 formatted address. |
| id | Will match all numbers by type |
| hexValue | Will match all hexadecimal encoded strings |
| uuid | Will match strings containing UUIDs |
_\* Note:_ JSON only supports double precision floating point values. Depending on the language implementation, they
may parsed as integer, floating point or decimal numbers.
#### Ensuring all items in a list match an example (2.2.0+)
Lots of the time you might not know the number of items that will be in a list, but you want to ensure that the list
has a minimum or maximum size and that each item in the list matches a given example. You can do this with the `arrayLike`,
`minArrayLike` and `maxArrayLike` functions.
| function | description |
|----------|-------------|
| `eachLike` | Ensure that each item in the list matches the provided example |
| `maxArrayLike` | Ensure that each item in the list matches the provided example and the list is no bigger than the provided max |
| `minArrayLike` | Ensure that each item in the list matches the provided example and the list is no smaller than the provided min |
For example:
```java
DslPart body = new PactDslJsonBody()
.minArrayLike("users", 1)
.id()
.stringType("name")
.closeObject()
.closeArray();
```
This will ensure that the users list is never empty and that each user has an identifier that is a number and a name that is a string.
__Version 3.2.4/2.4.6+__ You can specify the number of example items to generate in the array. The default is 1.
```java
DslPart body = new PactDslJsonBody()
.minArrayLike("users", 1, 2)
.id()
.stringType("name")
.closeObject()
.closeArray();
```
This will generate the example body with 2 items in the users list.
#### Root level arrays that match all items (version 2.2.11+)
If the root of the body is an array, you can create PactDslJsonArray classes with the following methods:
| function | description |
|----------|-------------|
| `arrayEachLike` | Ensure that each item in the list matches the provided example |
| `arrayMinLike` | Ensure that each item in the list matches the provided example and the list is no bigger than the provided max |
| `arrayMaxLike` | Ensure that each item in the list matches the provided example and the list is no smaller than the provided min |
For example:
```java
PactDslJsonArray.arrayEachLike()
.date("clearedDate", "mm/dd/yyyy", date)
.stringType("status", "STATUS")
.decimalType("amount", 100.0)
.closeObject()
```
This will then match a body like:
```json
[ {
"clearedDate" : "07/22/2015",
"status" : "C",
"amount" : 15.0
}, {
"clearedDate" : "07/22/2015",
"status" : "C",
"amount" : 15.0
}, {
"clearedDate" : "07/22/2015",
"status" : "C",
"amount" : 15.0
} ]
```
__Version 3.2.4/2.4.6+__ You can specify the number of example items to generate in the array. The default is 1.
#### Matching JSON values at the root (Version 3.2.2/2.4.3+)
For cases where you are expecting basic JSON values (strings, numbers, booleans and null) at the root level of the body
and need to use matchers, you can use the `PactDslJsonRootValue` class. It has all the DSL matching methods for basic
values that you can use.
For example:
```java
.consumer("Some Consumer")
.hasPactWith("Some Provider")
.uponReceiving("a request for a basic JSON value")
.path("/hello")
.willRespondWith()
.status(200)
.body(PactDslJsonRootValue.integerType())
```
#### Matching any key in a map (3.3.1/2.5.0+)
The DSL has been extended for cases where the keys in a map are IDs. For an example of this, see
[#313](https://github.com/DiUS/pact-jvm/issues/313). In this case you can use the `eachKeyLike` method, which takes an
example key as a parameter.
For example:
```java
DslPart body = new PactDslJsonBody()
.object("one")
.eachKeyLike("001", PactDslJsonRootValue.id(12345L)) // key like an id mapped to a matcher
.closeObject()
.object("two")
.eachKeyLike("001-A") // key like an id where the value is matched by the following example
.stringType("description", "Some Description")
.closeObject()
.closeObject()
.object("three")
.eachKeyMappedToAnArrayLike("001") // key like an id mapped to an array where each item is matched by the following example
.id("someId", 23456L)
.closeObject()
.closeArray()
.closeObject();
```
For an example, have a look at [WildcardKeysTest](src/test/java/au/com/dius/pact/consumer/WildcardKeysTest.java).
**NOTE:** The `eachKeyLike` method adds a `*` to the matching path, so the matching definition will be applied to all keys
of the map if there is not a more specific matcher defined for a particular key. Having more than one `eachKeyLike` condition
applied to a map will result in only one being applied when the pact is verified (probably the last).
### Matching on paths (version 2.1.5+)
You can use regular expressions to match incoming requests. The DSL has a `matchPath` method for this. You can provide
a real path as a second value to use when generating requests, and if you leave it out it will generate a random one
from the regular expression.
For example:
```java
.given("test state")
.uponReceiving("a test interaction")
.matchPath("/transaction/[0-9]+") // or .matchPath("/transaction/[0-9]+", "/transaction/1234567890")
.method("POST")
.body("{\"name\": \"harry\"}")
.willRespondWith()
.status(200)
.body("{\"hello\": \"harry\"}")
```
### Matching on headers (version 2.2.2+)
You can use regular expressions to match request and response headers. The DSL has a `matchHeader` method for this. You can provide
an example header value to use when generating requests and responses, and if you leave it out it will generate a random one
from the regular expression.
For example:
```java
.given("test state")
.uponReceiving("a test interaction")
.path("/hello")
.method("POST")
.matchHeader("testreqheader", "test.*value")
.body("{\"name\": \"harry\"}")
.willRespondWith()
.status(200)
.body("{\"hello\": \"harry\"}")
.matchHeader("Location", ".*/hello/[0-9]+", "/hello/1234")
```
### Matching on query parameters (version 3.3.7+)
You can use regular expressions to match request query parameters. The DSL has a `matchQuery` method for this. You can provide
an example value to use when generating requests, and if you leave it out it will generate a random one
from the regular expression.
For example:
```java
.given("test state")
.uponReceiving("a test interaction")
.path("/hello")
.method("POST")
.matchQuery("a", "\\d+", "100")
.matchQuery("b", "[A-Z]", "X")
.body("{\"name\": \"harry\"}")
.willRespondWith()
.status(200)
.body("{\"hello\": \"harry\"}")
```
## Debugging pact failures
When the test runs, Pact will start a mock provider that will listen for requests and match them against the expectations
you setup in `createFragment`. If the request does not match, it will return a 500 error response.
Each request received and the generated response is logged using [SLF4J](http://www.slf4j.org/). Just enable debug level
logging for au.com.dius.pact.consumer.UnfilteredMockProvider. Most failures tend to be mismatched headers or bodies.
## Changing the directory pact files are written to (2.1.9+)
By default, pact files are written to `target/pacts`, but this can be overwritten with the `pact.rootDir` system property.
This property needs to be set on the test JVM as most build tools will fork a new JVM to run the tests.
For Gradle, add this to your build.gradle:
```groovy
test {
systemProperties['pact.rootDir'] = "$buildDir/pacts"
}
```
For maven, use the systemPropertyVariables configuration:
```xml
<project>
[...]
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-plugin</artifactId>
<version>2.18</version>
<configuration>
<systemPropertyVariables>
<pact.rootDir>some/other/directory</pact.rootDir>
<buildDirectory>${project.build.directory}</buildDirectory>
[...]
</systemPropertyVariables>
</configuration>
</plugin>
</plugins>
</build>
[...]
</project>
```
For SBT:
```scala
fork in Test := true,
javaOptions in Test := Seq("-Dpact.rootDir=some/other/directory")
```
# Publishing your pact files to a pact broker
If you use Gradle, you can use the [pact Gradle plugin](https://github.com/DiUS/pact-jvm/tree/master/pact-jvm-provider-gradle#publishing-pact-files-to-a-pact-broker) to publish your pact files.
# Pact Specification V3
Version 3 of the pact specification changes the format of pact files in the following ways:
* Query parameters are stored in a map form and are un-encoded (see [#66](https://github.com/DiUS/pact-jvm/issues/66)
and [#97](https://github.com/DiUS/pact-jvm/issues/97) for information on what this can cause).
* Introduces a new message pact format for testing interactions via a message queue.
## Generating V3 spec pact files (3.1.0+, 2.3.0+)
To have your consumer tests generate V3 format pacts, you can set the specification version to V3. If you're using the
`ConsumerPactTest` base class, you can override the `getSpecificationVersion` method. For example:
```java
@Override
protected PactSpecVersion getSpecificationVersion() {
return PactSpecVersion.V3;
}
```
If you are using the `PactProviderRule`, you can pass the version into the constructor for the rule.
```java
@Rule
public PactProviderRule mockTestProvider = new PactProviderRule("test_provider", PactSpecVersion.V3, this);
```
## Consumer test for a message consumer
For testing a consumer of messages from a message queue, the `MessagePactProviderRule` rule class works in much the
same way as the `PactProviderRule` class for Request-Response interactions, but will generate a V3 format message pact file.
For an example, look at [ExampleMessageConsumerTest](https://github.com/DiUS/pact-jvm/blob/master/pact-jvm-consumer-junit%2Fsrc%2Ftest%2Fjava%2Fau%2Fcom%2Fdius%2Fpact%2Fconsumer%2Fv3%2FExampleMessageConsumerTest.java)
Group: au.com.dius Artifact: pact-jvm-consumer-junit_2.10
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Artifact pact-jvm-consumer-junit_2.10
Group au.com.dius
Version 2.4.20
Last update 14. April 2018
Organization not specified
URL https://github.com/DiUS/pact-jvm
License Apache 2
Dependencies amount 7
Dependencies slf4j-api, scala-library, pact-jvm-consumer_2.10, junit, json, commons-lang3, guava,
There are maybe transitive dependencies!
Group au.com.dius
Version 2.4.20
Last update 14. April 2018
Organization not specified
URL https://github.com/DiUS/pact-jvm
License Apache 2
Dependencies amount 7
Dependencies slf4j-api, scala-library, pact-jvm-consumer_2.10, junit, json, commons-lang3, guava,
There are maybe transitive dependencies!
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