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Java DSL for easy testing of REST services
/*
* Copyright 2019 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package io.restassured.builder;
import io.restassured.RestAssured;
import io.restassured.config.LogConfig;
import io.restassured.config.RestAssuredConfig;
import io.restassured.filter.log.LogDetail;
import io.restassured.http.ContentType;
import io.restassured.internal.ResponseParserRegistrar;
import io.restassured.internal.ResponseSpecificationImpl;
import io.restassured.internal.SpecificationMerger;
import io.restassured.internal.log.LogRepository;
import io.restassured.matcher.DetailedCookieMatcher;
import io.restassured.parsing.Parser;
import io.restassured.specification.Argument;
import io.restassured.specification.ResponseSpecification;
import org.hamcrest.Matcher;
import java.lang.reflect.Field;
import java.util.List;
import java.util.Map;
import java.util.concurrent.TimeUnit;
import static io.restassured.RestAssured.rootPath;
import static io.restassured.internal.common.assertion.AssertParameter.notNull;
/**
* You can use the builder to construct a response specification. The specification can be used as e.g.
*
* ResponseSpecification responseSpec = new ResponseSpecBuilder().expectStatusCode(200).build();
* RequestSpecification requestSpec = new RequestSpecBuilder().addParam("parameter1", "value1").build();
*
* given(responseSpec, requestSpec).post("/something");
*
*
* or
*
* ResponseSpecification responseSpec = new ResponseSpecBuilder().expectStatusCode(200).build();
*
* expect().
* spec(responseSpec).
* body("x.y.z", equalTo("something")).
* when().
* get("/something");
*
*/
public class ResponseSpecBuilder {
private final ResponseSpecification spec;
public ResponseSpecBuilder() {
spec = new ResponseSpecificationImpl(rootPath, null, getResponseParserRegistrar(), restAssuredConfig(), new LogRepository());
}
/**
* Expect that the response status code matches the given Hamcrest matcher.
*
* @param expectedStatusCode The expected status code matcher.
* @return The builder
*/
public ResponseSpecBuilder expectStatusCode(Matcher expectedStatusCode) {
spec.statusCode(expectedStatusCode);
return this;
}
/**
* Expect that the response status code matches an integer.
*
* @param expectedStatusCode The expected status code.
* @return The builder
*/
public ResponseSpecBuilder expectStatusCode(int expectedStatusCode) {
spec.statusCode(expectedStatusCode);
return this;
}
/**
* Expect that the response status line matches the given Hamcrest matcher.
*
* @param expectedStatusLine The expected status line matcher.
* @return The builder
*/
public ResponseSpecBuilder expectStatusLine(Matcher expectedStatusLine) {
spec.statusLine(expectedStatusLine);
return this;
}
/**
* Expect that the response status line matches the given String.
*
* @param expectedStatusLine The expected status line.
* @return The builder
*/
public ResponseSpecBuilder expectStatusLine(String expectedStatusLine) {
spec.statusLine(expectedStatusLine);
return this;
}
/**
* Expect that response headers matches those specified in a Map.
*
* E.g. expect that the response of the GET request to "/something" contains header headerName1=headerValue1
* and headerName2=headerValue2:
*
* Map expectedHeaders = new HashMap();
* expectedHeaders.put("headerName1", "headerValue1"));
* expectedHeaders.put("headerName2", "headerValue2");
*
*
*
*
* You can also use Hamcrest matchers:
*
* Map expectedHeaders = new HashMap();
* expectedHeaders.put("Content-Type", containsString("charset=UTF-8"));
* expectedHeaders.put("Content-Length", "160");
*
*
*
* @param expectedHeaders The Map of expected response headers
* @return The builder
*/
public ResponseSpecBuilder expectHeaders(Map expectedHeaders) {
spec.headers(expectedHeaders);
return this;
}
/**
* Expect that a response header matches the supplied header name and hamcrest matcher.
*
* @param headerName The name of the expected header
* @param expectedValueMatcher The Hamcrest matcher that must conform to the value
* @return The builder
*/
public ResponseSpecBuilder expectHeader(String headerName, Matcher expectedValueMatcher) {
spec.header(headerName, expectedValueMatcher);
return this;
}
/**
* Expect that a response header matches the supplied name and value.
*
* @param headerName The name of the expected header
* @param expectedValue The value of the expected header
* @return The builder
*/
public ResponseSpecBuilder expectHeader(String headerName, String expectedValue) {
spec.header(headerName, expectedValue);
return this;
}
/**
* Expect that response cookies matches those specified in a Map.
*
* E.g. expect that the response of the GET request to "/something" contains cookies cookieName1=cookieValue1
* and cookieName2=cookieValue2:
*
* Map expectedCookies = new HashMap();
* expectedCookies.put("cookieName1", "cookieValue1"));
* expectedCookies.put("cookieName2", "cookieValue2");
*
*
* You can also use Hamcrest matchers:
*
* Map expectedCookies = new HashMap();
* expectedCookies.put("cookieName1", containsString("Value1"));
* expectedCookies.put("cookieName2", "cookieValue2");
*
*
*
* @param expectedCookies A Map of expected response cookies
* @return The builder
*/
public ResponseSpecBuilder expectCookies(Map expectedCookies) {
spec.cookies(expectedCookies);
return this;
}
/**
* Expect that a response cookie matches the supplied cookie name and hamcrest matcher.
*
* E.g. cookieName1=cookieValue1
*
*
* @param cookieName The name of the expected cookie
* @param expectedValueMatcher The Hamcrest matcher that must conform to the value
* @return The builder
*/
public ResponseSpecBuilder expectCookie(String cookieName, Matcher expectedValueMatcher) {
spec.cookie(cookieName, expectedValueMatcher);
return this;
}
/**
* Expect that a detailed response cookie matches the supplied cookie name and hamcrest matcher (see {@link DetailedCookieMatcher}.
*
* E.g. expect that the response of the GET request to "/something" contain cookie cookieName1=cookieValue1
*
* expectCookie("cookieName1", detailedCookie().value("cookieValue1").secured(true));
*
*
*
*
* You can also expect several cookies:
*
* expectCookie("cookieName1", detailedCookie().value("cookieValue1").secured(true))
* .expectCookie("cookieName2", detailedCookie().value("cookieValue2").secured(false));
*
*
*
* @param cookieName The name of the expected cookie
* @param detailedCookieMatcher The Hamcrest matcher that must conform to the cookie
* @return The builder
*/
public ResponseSpecBuilder expectCookie(String cookieName, DetailedCookieMatcher detailedCookieMatcher) {
spec.cookie(cookieName, detailedCookieMatcher);
return this;
}
/**
* Expect that a response cookie matches the supplied name and value.
*
* @param cookieName The name of the expected cookie
* @param expectedValue The value of the expected cookie
* @return The builder
*/
public ResponseSpecBuilder expectCookie(String cookieName, String expectedValue) {
spec.cookie(cookieName, expectedValue);
return this;
}
/**
* Expect that a cookie exist in the response, regardless of value (it may have no value at all).
*
* @param cookieName the cookie to validate that it exists
* @return the builder
*/
public ResponseSpecBuilder expectCookie(String cookieName) {
spec.cookie(cookieName);
return this;
}
/**
* Validate that the response time (in milliseconds) matches the supplied matcher.
*
* @param matcher The matcher
* @return the builder
*/
public ResponseSpecBuilder expectResponseTime(Matcher matcher) {
spec.time(matcher);
return this;
}
/**
* Validate that the response time matches the supplied matcher and time unit.
*
* @param matcher The matcher
* @param timeUnit The timeout
* @return the builder
*/
public ResponseSpecBuilder expectResponseTime(Matcher matcher, TimeUnit timeUnit) {
spec.time(matcher, timeUnit);
return this;
}
/**
* Set the root path of the response body so that you don't need to write the entire path for each expectation.
* E.g. instead of writing:
*
*
* expect().
* body("x.y.firstName", is(..)).
* body("x.y.lastName", is(..)).
* body("x.y.age", is(..)).
* body("x.y.gender", is(..)).
* when().
* get(..);
*
*
* you can use a root path and do:
*
* expect().
* rootPath("x.y").
* body("firstName", is(..)).
* body("lastName", is(..)).
* body("age", is(..)).
* body("gender", is(..)).
* when().
* get(..);
*
*
* @param rootPath The root path to use.
*/
public ResponseSpecBuilder rootPath(String rootPath) {
spec.rootPath(rootPath);
return this;
}
/**
* Set the root path of the response body so that you don't need to write the entire path for each expectation. The same as {@link #rootPath(String)}
* but also provides a way to defined arguments.
*
* @param rootPath The root path to use.
* @param arguments The arguments.
* @see ResponseSpecification#root(String, java.util.List)
*/
public ResponseSpecBuilder rootPath(String rootPath, List arguments) {
spec.root(rootPath, arguments);
return this;
}
/**
* Append the given path to the root path of the response body so that you don't need to write the entire path for each expectation.
* E.g. instead of writing:
*
*
* expect().
* root("x.y").
* body("age", is(..)).
* body("gender", is(..)).
* body("name.firstName", is(..)).
* body("name.lastName", is(..)).
* when().
* get(..);
*
*
* you can use a append root and do:
*
* expect().
* root("x.y").
* body("age", is(..)).
* body("gender", is(..)).
* appendRoot("name").
* body("firstName", is(..)).
* body("lastName", is(..)).
* when().
* get(..);
*
*
* @param pathToAppend The root path to append.
*/
public ResponseSpecBuilder appendRootPath(String pathToAppend) {
spec.appendRootPath(pathToAppend);
return this;
}
/**
* Append the given path to the root path with arguments supplied of the response body so that you don't need to write the entire path for each expectation.
* This is mainly useful when you have parts of the path defined in variables.
* E.g. instead of writing:
*
*
* String namePath = "name";
* expect().
* root("x.y").
* body("age", is(..)).
* body("gender", is(..)).
* body(namePath + "first", is(..)).
* body(namePath + "last", is(..)).
* when().
* get(..);
*
*
* you can use a append root and do:
*
* String namePath = "name";
* expect().
* root("x.y").
* body("age", is(..)).
* body("gender", is(..)).
* appendRoot("%s", withArgs(namePath)).
* body("first", is(..)).
* body("last", is(..)).
* when().
* get(..);
*
*
* @param pathToAppend The root path to use. The path and arguments follows the standard formatting syntax of Java.
*/
public ResponseSpecBuilder appendRootPath(String pathToAppend, List arguments) {
spec.appendRootPath(pathToAppend, arguments);
return this;
}
/**
* Reset the root path of the response body so that you don't need to write the entire path for each expectation.
* For example:
*
*
* expect().
* root("x.y").
* body("firstName", is(..)).
* body("lastName", is(..)).
* noRoot()
* body("z.something1", is(..)).
* body("w.something2", is(..)).
* when().
* get(..);
*
*
* This is the same as calling rootPath("") but more expressive.
*
* @see #rootPath(String)
*/
public ResponseSpecBuilder noRootPath() {
spec.noRootPath();
return this;
}
/**
* Detach the given path from the root path.
* E.g. instead of writing:
*
*
* when().
* get(..);
* then().
* root("x.y").
* body("age", is(..)).
* body("gender", is(..)).
* root("x").
* body("firstName", is(..)).
* body("lastName", is(..)).
*
*
* you can use a append root and do:
*
* when().
* get(..);
* then().
* root("x.y").
* body("age", is(..)).
* body("gender", is(..)).
* detachRoot("y").
* body("firstName", is(..)).
* body("lastName", is(..)).
*
*
* @param pathToDetach The root path to detach.
*/
public ResponseSpecBuilder detachRootPath(String pathToDetach) {
spec.detachRootPath(pathToDetach);
return this;
}
/**
* Set the response content type to be contentType.
* Note that this will affect the way the response is decoded.
* E,g. if you can't use JSON/XML matching (see e.g. {@link #expectBody(String, org.hamcrest.Matcher)}) if you specify a
* content-type of "text/plain". If you don't specify the response content type REST Assured will automatically try to
* figure out which content type to use.
*
* @param contentType The content type of the response.
* @return The builder
*/
public ResponseSpecBuilder expectContentType(ContentType contentType) {
spec.contentType(contentType);
return this;
}
/**
* Set the response content type to be contentType.
* Note that this will affect the way the response is decoded.
* E,g. if you can't use JSON/XML matching (see e.g. {@link #expectBody(String, org.hamcrest.Matcher)}) if you specify a
* content-type of "text/plain". If you don't specify the response content type REST Assured will automatically try to
* figure out which content type to use.
*
* @param contentType The content type of the response.
* @return The builder
*/
public ResponseSpecBuilder expectContentType(String contentType) {
spec.contentType(contentType);
return this;
}
/**
* Expect that the response body conforms to one or more Hamcrest matchers.
*
* @param matcher The hamcrest matcher that must response content must match.
* @return The builder
*/
public ResponseSpecBuilder expectBody(Matcher matcher) {
spec.body(matcher);
return this;
}
/**
* Expect that the JSON or XML response content conforms to one or more Hamcrest matchers.
* JSON example
*
* Assume that a GET request to "/lotto" returns a JSON response containing:
*
* { "lotto":{
* "lottoId":5,
* "winning-numbers":[2,45,34,23,7,5,3],
* "winners":[{
* "winnerId":23,
* "numbers":[2,45,34,23,3,5]
* },{
* "winnerId":54,
* "numbers":[52,3,12,11,18,22]
* }]
* }}
*
*
* You can verify that the lottoId is equal to 5 like this:
*
* ResponseSpecBuilder builder = new ResponseSpecBuilder();
* builder.expectBody("lotto.lottoId", equalTo(5));
*
*
* @param matcher The hamcrest matcher that the response content must match.
* @return The builder
*/
public ResponseSpecBuilder expectBody(String path, Matcher matcher) {
spec.body(path, matcher);
return this;
}
/**
* Same as {@link #expectBody(String, org.hamcrest.Matcher)} expect that you can pass arguments to the path. This
* is useful in situations where you have e.g. pre-defined variables that constitutes the path:
*
* String someSubPath = "else";
* int index = 1;
* expect().body("something.%s[%d]", withArgs(someSubPath, index), equalTo("some value")). ..
*
*
* or if you have complex root paths and don't wish to duplicate the path for small variations:
*
* expect().
* root("filters.filterConfig[%d].filterConfigGroups.find { it.name == 'Gold' }.includes").
* body(withArgs(0), hasItem("first")).
* body(withArgs(1), hasItem("second")).
* ..
*
*
* The path and arguments follows the standard formatting syntax of Java.
*
* Note that withArgs can be statically imported from the io.restassured.RestAssured class.
*
*
* @param path The body path
* @param matcher The hamcrest matcher that must response body must match.
* @return the response specification
* @see #expectBody(String, org.hamcrest.Matcher)
*/
public ResponseSpecBuilder expectBody(String path, List arguments, Matcher matcher) {
spec.body(path, arguments, matcher);
return this;
}
/**
* Merge this builder with settings from another specification. Note that the supplied specification
* can overwrite data in the current specification. The following settings are overwritten:
*
* - Content type
* - Root pathStatus code
* - Status line
*
* The following settings are merged:
*
* - Response body expectations
* - Cookies
* - Headers
*
*
* @param specification The specification the add.
* @return The builder
*/
public ResponseSpecBuilder addResponseSpecification(ResponseSpecification specification) {
if (!(specification instanceof ResponseSpecificationImpl)) {
throw new IllegalArgumentException("specification must be of type " + ResponseSpecificationImpl.class.getClass() + ".");
}
ResponseSpecificationImpl rs = (ResponseSpecificationImpl) specification;
SpecificationMerger.merge((ResponseSpecificationImpl) spec, rs);
return this;
}
/**
* Enabled logging with the specified log detail. Set a {@link LogConfig} to configure the print stream and pretty printing options.
*
* @param logDetail The log detail.
* @return ResponseSpecBuilder
*/
public ResponseSpecBuilder log(LogDetail logDetail) {
notNull(logDetail, LogDetail.class);
spec.logDetail(logDetail);
return this;
}
/**
* Register a content-type to be parsed using a predefined parser. E.g. let's say you want parse
* content-type application/vnd.uoml+xml with the XML parser to be able to verify the response using the XML dot notations:
*
* expect().body("document.child", equalsTo("something"))..
*
* Since application/vnd.uoml+xml is not registered to be processed by the XML parser by default you need to explicitly
* tell REST Assured to use this parser before making the request:
*
* expect().parser("application/vnd.uoml+xml", Parser.XML").when(). ..;
*
*
* You can also specify by default by using:
*
* RestAssured.registerParser("application/vnd.uoml+xml, Parser.XML");
*
*
* @param contentType The content-type to register
* @param parser The parser to use when verifying the response.
* @return The builder
*/
public ResponseSpecBuilder registerParser(String contentType, Parser parser) {
spec.parser(contentType, parser);
return this;
}
/**
* Register a default predefined parser that will be used if no other parser (registered or pre-defined) matches the response
* content-type. E.g. let's say that for some reason no content-type is defined in the response but the content is nevertheless
* JSON encoded. To be able to expect the content in REST Assured you need to set the default parser:
*
* expect().defaultParser(Parser.JSON).when(). ..;
*
*
* You can also specify it for every response by using:
*
* RestAssured.defaultParser(Parser.JSON);
*
*
* @param parser The parser to use when verifying the response if no other parser is found for the response content-type.
*/
public ResponseSpecBuilder setDefaultParser(Parser parser) {
spec.defaultParser(parser);
return this;
}
/**
* Build the response specification.
*
* @return The assembled response specification
*/
public ResponseSpecification build() {
return spec;
}
private ResponseParserRegistrar getResponseParserRegistrar() {
ResponseParserRegistrar rpr;
Field registrarField = null;
try {
registrarField = RestAssured.class.getDeclaredField("RESPONSE_PARSER_REGISTRAR");
try {
registrarField.setAccessible(true);
rpr = (ResponseParserRegistrar) registrarField.get(RestAssured.class);
} catch (IllegalAccessException e) {
throw new RuntimeException(e);
}
} catch (NoSuchFieldException e) {
throw new RuntimeException(e);
} finally {
registrarField.setAccessible(false);
}
return new ResponseParserRegistrar(rpr);
}
private RestAssuredConfig restAssuredConfig() {
return RestAssured.config == null ? new RestAssuredConfig() : RestAssured.config;
}
}