Add auto-configuration for separate Spring Session Data MongoDB module

Closes gh-9552

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

@@ -32,6 +32,7 @@ import org.springframework.boot.test.context.runner.WebApplicationContextRunner;
 import org.springframework.boot.web.servlet.FilterRegistrationBean;
 import org.springframework.jdbc.BadSqlGrammarException;
 import org.springframework.jdbc.core.JdbcOperations;
+import org.springframework.session.data.mongo.MongoOperationsSessionRepository;
 import org.springframework.session.data.redis.RedisOperationsSessionRepository;
 import org.springframework.session.hazelcast.HazelcastSessionRepository;
 import org.springframework.session.jdbc.JdbcOperationsSessionRepository;
@@ -69,6 +70,7 @@ public class SessionAutoConfigurationJdbcTests
 		this.contextRunner
 				.withClassLoader(
 						new HideClassesClassLoader(HazelcastSessionRepository.class,
+								MongoOperationsSessionRepository.class,
 								RedisOperationsSessionRepository.class))
 				.withConfiguration(
 						AutoConfigurations.of(JdbcTemplateAutoConfiguration.class))

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

@@ -0,0 +1,91 @@
+/*
+ * Copyright 2012-2017 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.autoconfigure.session;
+
+import org.junit.Test;
+
+import org.springframework.beans.DirectFieldAccessor;
+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.HideClassesClassLoader;
+import org.springframework.boot.test.context.assertj.AssertableWebApplicationContext;
+import org.springframework.boot.test.context.runner.ContextConsumer;
+import org.springframework.boot.test.context.runner.WebApplicationContextRunner;
+import org.springframework.session.data.mongo.MongoOperationsSessionRepository;
+import org.springframework.session.data.redis.RedisOperationsSessionRepository;
+import org.springframework.session.hazelcast.HazelcastSessionRepository;
+import org.springframework.session.jdbc.JdbcOperationsSessionRepository;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+/**
+ * Mongo-specific tests for {@link SessionAutoConfiguration}.
+ *
+ * @author Andy Wilkinson
+ */
+public class SessionAutoConfigurationMongoTests
+		extends AbstractSessionAutoConfigurationTests {
+
+	private final WebApplicationContextRunner contextRunner = new WebApplicationContextRunner()
+			.withConfiguration(AutoConfigurations.of(SessionAutoConfiguration.class));
+
+	@Test
+	public void defaultConfig() {
+		this.contextRunner.withPropertyValues("spring.session.store-type=mongo")
+				.withConfiguration(AutoConfigurations.of(
+						EmbeddedMongoAutoConfiguration.class,
+						MongoAutoConfiguration.class, MongoDataAutoConfiguration.class))
+				.run(validateSpringSessionUsesMongo("sessions"));
+	}
+
+	@Test
+	public void defaultConfigWithUniqueStoreImplementation() {
+		this.contextRunner
+				.withClassLoader(
+						new HideClassesClassLoader(HazelcastSessionRepository.class,
+								JdbcOperationsSessionRepository.class,
+								RedisOperationsSessionRepository.class))
+				.withConfiguration(AutoConfigurations.of(
+						EmbeddedMongoAutoConfiguration.class,
+						MongoAutoConfiguration.class, MongoDataAutoConfiguration.class))
+				.run(validateSpringSessionUsesMongo("sessions"));
+	}
+
+	@Test
+	public void mongoSessionStoreWithCustomizations() {
+		this.contextRunner
+				.withConfiguration(AutoConfigurations.of(
+						EmbeddedMongoAutoConfiguration.class,
+						MongoAutoConfiguration.class, MongoDataAutoConfiguration.class))
+				.withPropertyValues("spring.session.store-type=mongo",
+						"spring.session.mongo.collection-name=foo")
+				.run(validateSpringSessionUsesMongo("foo"));
+	}
+
+	private ContextConsumer<AssertableWebApplicationContext> validateSpringSessionUsesMongo(
+			String collectionName) {
+		return (context) -> {
+			MongoOperationsSessionRepository repository = validateSessionRepository(
+					context, MongoOperationsSessionRepository.class);
+			assertThat(new DirectFieldAccessor(repository)
+					.getPropertyValue("collectionName")).isEqualTo(collectionName);
+		};
+	}
+
+}

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

@@ -27,6 +27,7 @@ import org.springframework.boot.test.context.assertj.AssertableWebApplicationCon
 import org.springframework.boot.test.context.runner.ContextConsumer;
 import org.springframework.boot.test.context.runner.WebApplicationContextRunner;
 import org.springframework.boot.testsupport.rule.RedisTestServer;
+import org.springframework.session.data.mongo.MongoOperationsSessionRepository;
 import org.springframework.session.data.redis.RedisFlushMode;
 import org.springframework.session.data.redis.RedisOperationsSessionRepository;
 import org.springframework.session.hazelcast.HazelcastSessionRepository;
@@ -61,7 +62,8 @@ public class SessionAutoConfigurationRedisTests
 		this.contextRunner
 				.withClassLoader(
 						new HideClassesClassLoader(HazelcastSessionRepository.class,
-								JdbcOperationsSessionRepository.class))
+								JdbcOperationsSessionRepository.class,
+								MongoOperationsSessionRepository.class))
 				.withConfiguration(AutoConfigurations.of(RedisAutoConfiguration.class))
 				.run(validateSpringSessionUsesRedis("spring:session:event:created:",
 						RedisFlushMode.ON_SAVE));