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/*
* Copyright (C) 2021-2024 Thomas Akehurst
*
* 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 com.github.tomakehurst.wiremock.junit5;
import com.github.tomakehurst.wiremock.WireMockServer;
import com.github.tomakehurst.wiremock.client.WireMock;
import com.github.tomakehurst.wiremock.core.Options;
import com.github.tomakehurst.wiremock.core.WireMockConfiguration;
import com.github.tomakehurst.wiremock.http.JvmProxyConfigurer;
import com.github.tomakehurst.wiremock.junit.DslWrapper;
import java.util.Optional;
import org.junit.jupiter.api.extension.*;
import org.junit.platform.commons.support.AnnotationSupport;
/**
* JUnit Jupiter extension that manages a WireMock server instance's lifecycle and configuration.
*
* See http://wiremock.org/docs/junit-jupiter/ for
* full documentation.
*/
public class WireMockExtension extends DslWrapper
implements ParameterResolver,
BeforeEachCallback,
BeforeAllCallback,
AfterEachCallback,
AfterAllCallback {
private final boolean configureStaticDsl;
private final boolean failOnUnmatchedRequests;
private final boolean isDeclarative;
private Options options;
private WireMockServer wireMockServer;
private WireMockRuntimeInfo runtimeInfo;
private boolean isNonStatic = false;
private Boolean proxyMode;
WireMockExtension() {
configureStaticDsl = true;
failOnUnmatchedRequests = false;
isDeclarative = true;
}
/**
* Constructor intended for subclasses.
*
*
The parameter is a builder so that we can avoid a constructor explosion or
* backwards-incompatible changes when new options are added.
*
* @param builder a {@link com.github.tomakehurst.wiremock.junit5.WireMockExtension.Builder}
* instance holding the initialisation parameters for the extension.
*/
protected WireMockExtension(Builder builder) {
this.options = builder.options;
this.configureStaticDsl = builder.configureStaticDsl;
this.failOnUnmatchedRequests = builder.failOnUnmatchedRequests;
this.proxyMode = builder.proxyMode;
this.isDeclarative = false;
}
private WireMockExtension(
Options options,
boolean configureStaticDsl,
boolean failOnUnmatchedRequests,
boolean proxyMode) {
this.options = options;
this.configureStaticDsl = configureStaticDsl;
this.failOnUnmatchedRequests = failOnUnmatchedRequests;
this.proxyMode = proxyMode;
this.isDeclarative = false;
}
/**
* Alias for {@link #newInstance()} for use with custom subclasses, with a more relevant name for
* that use.
*
* @return a new {@link com.github.tomakehurst.wiremock.junit5.WireMockExtension.Builder}
* instance.
*/
public static Builder extensionOptions() {
return newInstance();
}
/**
* Create a new builder for the extension.
*
* @return a new {@link com.github.tomakehurst.wiremock.junit5.WireMockExtension.Builder}
* instance.
*/
public static Builder newInstance() {
return new Builder();
}
/**
* To be overridden in subclasses in order to run code immediately after per-class WireMock setup.
*
* @param wireMockRuntimeInfo port numbers, base URLs and HTTPS info for the running WireMock
* instance/
*/
protected void onBeforeAll(WireMockRuntimeInfo wireMockRuntimeInfo) {}
/**
* To be overridden in subclasses in order to run code immediately after per-test WireMock setup.
*
* @param wireMockRuntimeInfo port numbers, base URLs and HTTPS info for the running WireMock
* instance/
*/
protected void onBeforeEach(WireMockRuntimeInfo wireMockRuntimeInfo) {}
/**
* To be overridden in subclasses in order to run code immediately after per-test cleanup of
* WireMock and its associated resources.
*
* @param wireMockRuntimeInfo port numbers, base URLs and HTTPS info for the running WireMock
* instance/
*/
protected void onAfterEach(WireMockRuntimeInfo wireMockRuntimeInfo) {}
/**
* To be overridden in subclasses in order to run code immediately after per-class cleanup of
* WireMock.
*
* @param wireMockRuntimeInfo port numbers, base URLs and HTTPS info for the running WireMock
* instance/
*/
protected void onAfterAll(WireMockRuntimeInfo wireMockRuntimeInfo) {}
@Override
public boolean supportsParameter(
final ParameterContext parameterContext, final ExtensionContext extensionContext)
throws ParameterResolutionException {
return parameterIsWireMockRuntimeInfo(parameterContext);
}
@Override
public Object resolveParameter(
final ParameterContext parameterContext, final ExtensionContext extensionContext)
throws ParameterResolutionException {
if (parameterIsWireMockRuntimeInfo(parameterContext)) {
return runtimeInfo;
}
return null;
}
private void startServerIfRequired(ExtensionContext extensionContext) {
if (wireMockServer == null || !wireMockServer.isRunning()) {
wireMockServer = new WireMockServer(resolveOptions(extensionContext));
wireMockServer.start();
runtimeInfo = new WireMockRuntimeInfo(wireMockServer);
this.admin = wireMockServer;
this.stubbing = wireMockServer;
if (configureStaticDsl) {
WireMock.configureFor(new WireMock(this));
}
}
}
private void setAdditionalOptions(ExtensionContext extensionContext) {
if (proxyMode == null) {
proxyMode =
extensionContext
.getElement()
.flatMap(
annotatedElement ->
AnnotationSupport.findAnnotation(annotatedElement, WireMockTest.class))
.map(WireMockTest::proxyMode)
.orElse(false);
}
}
private Options resolveOptions(ExtensionContext extensionContext) {
final Options defaultOptions = WireMockConfiguration.options().dynamicPort();
return extensionContext
.getElement()
.flatMap(
annotatedElement ->
this.isDeclarative
? AnnotationSupport.findAnnotation(annotatedElement, WireMockTest.class)
: Optional.empty())
.map(this::buildOptionsFromWireMockTestAnnotation)
.orElseGet(() -> Optional.ofNullable(this.options).orElse(defaultOptions));
}
private Options buildOptionsFromWireMockTestAnnotation(WireMockTest annotation) {
WireMockConfiguration options =
WireMockConfiguration.options()
.port(annotation.httpPort())
.extensionScanningEnabled(annotation.extensionScanningEnabled())
.enableBrowserProxying(annotation.proxyMode());
if (annotation.httpsEnabled()) {
options.httpsPort(annotation.httpsPort());
}
return options;
}
private void stopServerIfRunning() {
if (wireMockServer.isRunning()) {
wireMockServer.stop();
}
}
private boolean parameterIsWireMockRuntimeInfo(ParameterContext parameterContext) {
return parameterContext.getParameter().getType().equals(WireMockRuntimeInfo.class)
&& this.isDeclarative;
}
@Override
public final void beforeAll(ExtensionContext context) throws Exception {
startServerIfRequired(context);
setAdditionalOptions(context);
onBeforeAll(runtimeInfo);
}
@Override
public final void beforeEach(ExtensionContext context) throws Exception {
if (wireMockServer == null) {
isNonStatic = true;
startServerIfRequired(context);
} else {
resetToDefaultMappings();
}
setAdditionalOptions(context);
if (proxyMode) {
JvmProxyConfigurer.configureFor(wireMockServer);
}
onBeforeEach(runtimeInfo);
}
@Override
public final void afterAll(ExtensionContext context) throws Exception {
stopServerIfRunning();
onAfterAll(runtimeInfo);
}
@Override
public final void afterEach(ExtensionContext context) throws Exception {
if (failOnUnmatchedRequests) {
wireMockServer.checkForUnmatchedRequests();
}
if (isNonStatic) {
stopServerIfRunning();
}
if (proxyMode) {
JvmProxyConfigurer.restorePrevious();
}
onAfterEach(runtimeInfo);
}
public WireMockRuntimeInfo getRuntimeInfo() {
return new WireMockRuntimeInfo(wireMockServer);
}
public String baseUrl() {
return wireMockServer.baseUrl();
}
public String url(String path) {
return wireMockServer.url(path);
}
public int getHttpsPort() {
return wireMockServer.httpsPort();
}
public int getPort() {
return wireMockServer.port();
}
public static class Builder {
private Options options = WireMockConfiguration.wireMockConfig().dynamicPort();
private boolean configureStaticDsl = false;
private boolean failOnUnmatchedRequests = false;
private boolean proxyMode = false;
public Builder options(Options options) {
this.options = options;
return this;
}
public Builder configureStaticDsl(boolean configureStaticDsl) {
this.configureStaticDsl = configureStaticDsl;
return this;
}
public Builder failOnUnmatchedRequests(boolean failOnUnmatched) {
this.failOnUnmatchedRequests = failOnUnmatched;
return this;
}
public Builder proxyMode(boolean proxyMode) {
this.proxyMode = proxyMode;
return this;
}
public WireMockExtension build() {
if (proxyMode
&& !options.browserProxySettings().enabled()
&& (options instanceof WireMockConfiguration)) {
((WireMockConfiguration) options).enableBrowserProxying(true);
}
return new WireMockExtension(options, configureStaticDsl, failOnUnmatchedRequests, proxyMode);
}
}
}