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Merge pull request #34833 from chinmoy12c
* gh-34833: Polish "Add content buffering support to MockServerRestTemplateCustomizer" Add content buffering support to MockServerRestTemplateCustomizer Closes gh-34833
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@ -1,5 +1,5 @@
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/*
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* Copyright 2012-2022 the original author or authors.
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* Copyright 2012-2023 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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@ -24,7 +24,9 @@ import java.util.function.Supplier;
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import org.springframework.beans.BeanUtils;
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import org.springframework.boot.web.client.RestTemplateBuilder;
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import org.springframework.boot.web.client.RestTemplateCustomizer;
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import org.springframework.http.client.BufferingClientHttpRequestFactory;
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import org.springframework.test.web.client.MockRestServiceServer;
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import org.springframework.test.web.client.MockRestServiceServer.MockRestServiceServerBuilder;
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import org.springframework.test.web.client.RequestExpectationManager;
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import org.springframework.test.web.client.SimpleRequestExpectationManager;
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import org.springframework.util.Assert;
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@ -49,6 +51,7 @@ import org.springframework.web.client.RestTemplate;
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*
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* @author Phillip Webb
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* @author Moritz Halbritter
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* @author Chinmoy Chakraborty
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* @since 1.4.0
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* @see #getServer()
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* @see #getServer(RestTemplate)
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@ -63,6 +66,8 @@ public class MockServerRestTemplateCustomizer implements RestTemplateCustomizer
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private boolean detectRootUri = true;
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private boolean bufferContent = false;
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public MockServerRestTemplateCustomizer() {
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this(SimpleRequestExpectationManager::new);
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}
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@ -96,13 +101,28 @@ public class MockServerRestTemplateCustomizer implements RestTemplateCustomizer
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this.detectRootUri = detectRootUri;
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}
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/**
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* Set if the {@link BufferingClientHttpRequestFactory} wrapper should be used to
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* buffer the input and output streams, and for example, allow multiple reads of the
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* response body.
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* @param bufferContent if request and response content should be buffered
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* @since 3.1.0
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*/
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public void setBufferContent(boolean bufferContent) {
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this.bufferContent = bufferContent;
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}
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@Override
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public void customize(RestTemplate restTemplate) {
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RequestExpectationManager expectationManager = createExpectationManager();
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if (this.detectRootUri) {
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expectationManager = RootUriRequestExpectationManager.forRestTemplate(restTemplate, expectationManager);
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}
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MockRestServiceServer server = MockRestServiceServer.bindTo(restTemplate).build(expectationManager);
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MockRestServiceServerBuilder serverBuilder = MockRestServiceServer.bindTo(restTemplate);
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if (this.bufferContent) {
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serverBuilder.bufferContent();
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}
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MockRestServiceServer server = serverBuilder.build(expectationManager);
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this.expectationManagers.put(restTemplate, expectationManager);
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this.servers.put(restTemplate, server);
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}
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@ -22,6 +22,8 @@ import org.junit.jupiter.api.BeforeEach;
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import org.junit.jupiter.api.Test;
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import org.springframework.boot.web.client.RestTemplateBuilder;
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import org.springframework.http.client.BufferingClientHttpRequestFactory;
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import org.springframework.http.client.ClientHttpRequestFactory;
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import org.springframework.test.web.client.RequestExpectationManager;
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import org.springframework.test.web.client.SimpleRequestExpectationManager;
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import org.springframework.test.web.client.UnorderedRequestExpectationManager;
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@ -104,7 +106,23 @@ class MockServerRestTemplateCustomizerTests {
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this.customizer.customize(new RestTemplateBuilder().rootUri("https://example.com").build());
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assertThat(this.customizer.getServer()).extracting("expectationManager")
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.isInstanceOf(SimpleRequestExpectationManager.class);
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}
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@Test
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void bufferContentShouldDefaultToFalse() {
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MockServerRestTemplateCustomizer customizer = new MockServerRestTemplateCustomizer();
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RestTemplate restTemplate = new RestTemplate();
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customizer.customize(restTemplate);
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assertThat(restTemplate.getRequestFactory()).isInstanceOf(ClientHttpRequestFactory.class);
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}
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@Test
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void setBufferContentShouldEnableContentBuffering() {
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MockServerRestTemplateCustomizer customizer = new MockServerRestTemplateCustomizer();
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RestTemplate restTemplate = new RestTemplate();
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customizer.setBufferContent(true);
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customizer.customize(restTemplate);
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assertThat(restTemplate.getRequestFactory()).isInstanceOf(BufferingClientHttpRequestFactory.class);
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}
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@Test
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