Test auto-configured MockRestServiceServer with metrics and a root URI

Closes gh-25741

spring-boot-project/spring-boot-test-autoconfigure/build.gradle

@@ -48,12 +48,14 @@ dependencies {
 	optional("org.mongodb:mongodb-driver-reactivestreams")
 	optional("org.mongodb:mongodb-driver-sync")
 
+	testImplementation(project(":spring-boot-project:spring-boot-actuator-autoconfigure"))
 	testImplementation(project(":spring-boot-project:spring-boot-tools:spring-boot-test-support"))
 	testImplementation("ch.qos.logback:logback-classic")
 	testImplementation("com.fasterxml.jackson.module:jackson-module-parameter-names")
 	testImplementation("com.h2database:h2")
 	testImplementation("com.unboundid:unboundid-ldapsdk")
 	testImplementation("io.lettuce:lettuce-core")
+	testImplementation("io.micrometer:micrometer-core")
 	testImplementation("io.projectreactor:reactor-core")
 	testImplementation("io.projectreactor:reactor-test")
 	testImplementation("io.r2dbc:r2dbc-h2")

spring-boot-project/spring-boot-test-autoconfigure/src/test/java/org/springframework/boot/test/autoconfigure/restdocs/RestDocsTestApplication.java

@@ -16,6 +16,7 @@
 
 package org.springframework.boot.test.autoconfigure.restdocs;
 
+import org.springframework.boot.actuate.autoconfigure.security.servlet.ManagementWebSecurityAutoConfiguration;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 import org.springframework.boot.autoconfigure.security.servlet.SecurityAutoConfiguration;
 
@@ -24,7 +25,7 @@ import org.springframework.boot.autoconfigure.security.servlet.SecurityAutoConfi
  *
  * @author Andy Wilkinson
  */
-@SpringBootApplication(exclude = SecurityAutoConfiguration.class)
+@SpringBootApplication(exclude = { SecurityAutoConfiguration.class, ManagementWebSecurityAutoConfiguration.class })
 public class RestDocsTestApplication {
 
 }

spring-boot-project/spring-boot-test-autoconfigure/src/test/java/org/springframework/boot/test/autoconfigure/web/client/AutoConfigureMockRestServiceServerWithRootUriIntegrationTests.java

@@ -0,0 +1,76 @@
+/*
+ * Copyright 2012-2021 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
+ *
+ *      https://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 io.micrometer.core.instrument.MeterRegistry;
+import org.junit.jupiter.api.Test;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.boot.web.client.RestTemplateBuilder;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.http.MediaType;
+import org.springframework.http.ResponseEntity;
+import org.springframework.test.web.client.MockRestServiceServer;
+import org.springframework.web.client.RestTemplate;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.springframework.test.web.client.match.MockRestRequestMatchers.requestTo;
+import static org.springframework.test.web.client.response.MockRestResponseCreators.withSuccess;
+
+/**
+ * Tests for
+ * {@link AutoConfigureMockRestServiceServer @AutoConfigureMockRestServiceServer} with a
+ * {@link RestTemplate} configured with a root URI.
+ *
+ * @author Andy Wilkinson
+ */
+@SpringBootTest(properties = "debug=true")
+@AutoConfigureMockRestServiceServer
+class AutoConfigureMockRestServiceServerWithRootUriIntegrationTests {
+
+	@Autowired
+	private RestTemplate restTemplate;
+
+	@Autowired
+	private MockRestServiceServer server;
+
+	@Autowired
+	MeterRegistry meterRegistry;
+
+	@Test
+	void whenRestTemplateAppliesARootUriThenMockServerExpecationsAreStillMatched() {
+		this.server.expect(requestTo("/test")).andRespond(withSuccess("hello", MediaType.TEXT_HTML));
+		ResponseEntity<String> entity = this.restTemplate.getForEntity("/test", String.class);
+		assertThat(entity.getBody()).isEqualTo("hello");
+		assertThat(this.meterRegistry.find("http.client.requests").tag("uri", "/rest/test").timer()).isNotNull();
+	}
+
+	@EnableAutoConfiguration
+	@Configuration(proxyBeanMethods = false)
+	static class RootUriConfiguration {
+
+		@Bean
+		RestTemplate restTemplate(RestTemplateBuilder restTemplateBuilder) {
+			return restTemplateBuilder.rootUri("/rest").build();
+		}
+
+	}
+
+}