/*
* Copyright 2012-2016 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 org.springframework.boot.test.autoconfigure.web.client;
import java.io.IOException;
import java.lang.reflect.Constructor;
import java.util.Map;
import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
import org.springframework.boot.test.web.client.MockServerRestTemplateCustomizer;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.client.ClientHttpRequest;
import org.springframework.http.client.ClientHttpResponse;
import org.springframework.test.web.client.ExpectedCount;
import org.springframework.test.web.client.MockRestServiceServer;
import org.springframework.test.web.client.RequestExpectationManager;
import org.springframework.test.web.client.RequestMatcher;
import org.springframework.test.web.client.ResponseActions;
import org.springframework.util.Assert;
import org.springframework.web.client.RestTemplate;
/**
* Auto-configuration for {@link MockRestServiceServer} support.
*
* @author Phillip Webb
* @since 1.4.0
* @see AutoConfigureMockRestServiceServer
*/
@Configuration
@ConditionalOnProperty(prefix = "spring.test.webclient.mockrestserviceserver", name = "enabled")
public class MockRestServiceServerAutoConfiguration {
@Bean
public MockServerRestTemplateCustomizer mockServerRestTemplateCustomizer() {
return new MockServerRestTemplateCustomizer();
}
@Bean
public MockRestServiceServer mockRestServiceServer(
MockServerRestTemplateCustomizer customizer) {
try {
return createDeferredMockRestServiceServer(customizer);
}
catch (Exception ex) {
throw new IllegalStateException(ex);
}
}
private MockRestServiceServer createDeferredMockRestServiceServer(
MockServerRestTemplateCustomizer customizer) throws Exception {
Constructor<MockRestServiceServer> constructor = MockRestServiceServer.class
.getDeclaredConstructor(RequestExpectationManager.class);
constructor.setAccessible(true);
return constructor.newInstance(new DeferredRequestExpectationManager(customizer));
}
/**
* {@link RequestExpectationManager} with the injected {@link MockRestServiceServer}
* so that the bean can be created before the
* {@link MockServerRestTemplateCustomizer#customize(RestTemplate)
* MockServerRestTemplateCustomizer} has been called.
*/
private static class DeferredRequestExpectationManager
implements RequestExpectationManager {
private MockServerRestTemplateCustomizer customizer;
DeferredRequestExpectationManager(MockServerRestTemplateCustomizer customizer) {
this.customizer = customizer;
}
@Override
public ResponseActions expectRequest(ExpectedCount count,
RequestMatcher requestMatcher) {
return getDelegate().expectRequest(count, requestMatcher);
}
@Override
public ClientHttpResponse validateRequest(ClientHttpRequest request)
throws IOException {
return getDelegate().validateRequest(request);
}
@Override
public void verify() {
getDelegate().verify();
}
@Override
public void reset() {
Map<RestTemplate, RequestExpectationManager> expectationManagers = this.customizer
.getExpectationManagers();
if (expectationManagers.size() == 1) {
getDelegate().reset();
}
}
private RequestExpectationManager getDelegate() {
Map<RestTemplate, RequestExpectationManager> expectationManagers = this.customizer
.getExpectationManagers();
Assert.state(expectationManagers.size() > 0,
"Unable to use auto-configured MockRestServiceServer since "
+ "MockServerRestTemplateCustomizer has not been bound to "
+ "a RestTemplate");
Assert.state(expectationManagers.size() == 1,
"Unable to use auto-configured MockRestServiceServer since "
+ "MockServerRestTemplateCustomizer has been bound to "
+ "more than one RestTemplate");
return expectationManagers.values().iterator().next();
}
}
}