Migrate SessionAutoConfigurationMongoTests to Testcontainers

Closes gh-23512

spring-boot-project/spring-boot-autoconfigure/pom.xml

@@ -993,6 +993,11 @@
 			<artifactId>junit-jupiter</artifactId>
 			<scope>test</scope>
 		</dependency>
+		<dependency>
+			<groupId>org.testcontainers</groupId>
+			<artifactId>mongodb</artifactId>
+			<scope>test</scope>
+		</dependency>
 		<dependency>
 			<groupId>org.testcontainers</groupId>
 			<artifactId>testcontainers</artifactId>

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/session/SessionAutoConfigurationMongoTests.java

 /*
- * Copyright 2012-2019 the original author or authors.
+ * Copyright 2012-2020 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.
@@ -16,12 +16,16 @@
 
 package org.springframework.boot.autoconfigure.session;
 
+import java.time.Duration;
+
 import org.junit.jupiter.api.Test;
+import org.testcontainers.containers.MongoDBContainer;
+import org.testcontainers.junit.jupiter.Container;
+import org.testcontainers.junit.jupiter.Testcontainers;
 
 import org.springframework.boot.autoconfigure.AutoConfigurations;
 import org.springframework.boot.autoconfigure.data.mongo.MongoDataAutoConfiguration;
 import org.springframework.boot.autoconfigure.mongo.MongoAutoConfiguration;
-import org.springframework.boot.autoconfigure.mongo.embedded.EmbeddedMongoAutoConfiguration;
 import org.springframework.boot.test.context.FilteredClassLoader;
 import org.springframework.boot.test.context.assertj.AssertableWebApplicationContext;
 import org.springframework.boot.test.context.runner.ContextConsumer;
@@ -38,16 +42,21 @@ import static org.assertj.core.api.Assertions.assertThat;
  *
  * @author Andy Wilkinson
  */
+@Testcontainers(disabledWithoutDocker = true)
 class SessionAutoConfigurationMongoTests extends AbstractSessionAutoConfigurationTests {
 
+	@Container
+	static final MongoDBContainer mongoDB = new MongoDBContainer().withStartupAttempts(5)
+			.withStartupTimeout(Duration.ofMinutes(5));
+
 	private final WebApplicationContextRunner contextRunner = new WebApplicationContextRunner()
-			.withConfiguration(AutoConfigurations.of(SessionAutoConfiguration.class));
+			.withConfiguration(AutoConfigurations.of(MongoAutoConfiguration.class, MongoDataAutoConfiguration.class,
+					SessionAutoConfiguration.class))
+			.withPropertyValues("spring.data.mongodb.uri=" + mongoDB.getReplicaSetUrl());
 
 	@Test
 	void defaultConfig() {
 		this.contextRunner.withPropertyValues("spring.session.store-type=mongodb")
-				.withConfiguration(AutoConfigurations.of(EmbeddedMongoAutoConfiguration.class,
-						MongoAutoConfiguration.class, MongoDataAutoConfiguration.class))
 				.run(validateSpringSessionUsesMongo("sessions"));
 	}
 
@@ -56,16 +65,12 @@ class SessionAutoConfigurationMongoTests extends AbstractSessionAutoConfiguratio
 		this.contextRunner
 				.withClassLoader(new FilteredClassLoader(HazelcastIndexedSessionRepository.class,
 						JdbcIndexedSessionRepository.class, RedisIndexedSessionRepository.class))
-				.withConfiguration(AutoConfigurations.of(EmbeddedMongoAutoConfiguration.class,
-						MongoAutoConfiguration.class, MongoDataAutoConfiguration.class))
 				.run(validateSpringSessionUsesMongo("sessions"));
 	}
 
 	@Test
 	void mongoSessionStoreWithCustomizations() {
 		this.contextRunner
-				.withConfiguration(AutoConfigurations.of(EmbeddedMongoAutoConfiguration.class,
-						MongoAutoConfiguration.class, MongoDataAutoConfiguration.class))
 				.withPropertyValues("spring.session.store-type=mongodb", "spring.session.mongodb.collection-name=foo")
 				.run(validateSpringSessionUsesMongo("foo"));
 	}