Move MongoDB testcontainers support into spring-boot-mongodb

spring-boot-project/spring-boot-mongodb/build.gradle

@@ -13,12 +13,15 @@ dependencies {
 
 	optional(project(":spring-boot-project:spring-boot-autoconfigure"))
 	optional(project(":spring-boot-project:spring-boot-reactor"))
+	optional(project(":spring-boot-project:spring-boot-testcontainers"))
 	optional("io.netty:netty-transport")
 	optional("org.mongodb:mongodb-driver-reactivestreams")
 	optional("org.mongodb:mongodb-driver-sync")
+	optional("org.testcontainers:mongodb")
 
 	testImplementation(project(":spring-boot-project:spring-boot-test"))
 	testImplementation(project(":spring-boot-project:spring-boot-tools:spring-boot-test-support"))
+	testImplementation(testFixtures(project(":spring-boot-project:spring-boot-testcontainers")))
 
 	testRuntimeOnly("ch.qos.logback:logback-classic")
 	testRuntimeOnly("io.netty:netty-handler")

spring-boot-project/spring-boot-mongodb/src/main/java/org/springframework/boot/mongodb/testcontainers/MongoContainerConnectionDetailsFactory.java

@@ -0,0 +1,70 @@
+/*
+ * Copyright 2012-2025 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.mongodb.testcontainers;
+
+import com.mongodb.ConnectionString;
+import org.testcontainers.containers.MongoDBContainer;
+
+import org.springframework.boot.mongodb.autoconfigure.MongoConnectionDetails;
+import org.springframework.boot.ssl.SslBundle;
+import org.springframework.boot.testcontainers.service.connection.ContainerConnectionDetailsFactory;
+import org.springframework.boot.testcontainers.service.connection.ContainerConnectionSource;
+import org.springframework.boot.testcontainers.service.connection.ServiceConnection;
+
+/**
+ * {@link ContainerConnectionDetailsFactory} to create {@link MongoConnectionDetails} from
+ * a {@link ServiceConnection @ServiceConnection}-annotated {@link MongoDBContainer}.
+ *
+ * @author Moritz Halbritter
+ * @author Andy Wilkinson
+ * @author Phillip Webb
+ */
+class MongoContainerConnectionDetailsFactory
+		extends ContainerConnectionDetailsFactory<MongoDBContainer, MongoConnectionDetails> {
+
+	MongoContainerConnectionDetailsFactory() {
+		super(ANY_CONNECTION_NAME, "com.mongodb.ConnectionString");
+	}
+
+	@Override
+	protected MongoConnectionDetails getContainerConnectionDetails(ContainerConnectionSource<MongoDBContainer> source) {
+		return new MongoContainerConnectionDetails(source);
+	}
+
+	/**
+	 * {@link MongoConnectionDetails} backed by a {@link ContainerConnectionSource}.
+	 */
+	private static final class MongoContainerConnectionDetails extends ContainerConnectionDetails<MongoDBContainer>
+			implements MongoConnectionDetails {
+
+		private MongoContainerConnectionDetails(ContainerConnectionSource<MongoDBContainer> source) {
+			super(source);
+		}
+
+		@Override
+		public ConnectionString getConnectionString() {
+			return new ConnectionString(getContainer().getReplicaSetUrl());
+		}
+
+		@Override
+		public SslBundle getSslBundle() {
+			return super.getSslBundle();
+		}
+
+	}
+
+}

spring-boot-project/spring-boot-mongodb/src/main/java/org/springframework/boot/mongodb/testcontainers/package-info.java

@@ -0,0 +1,20 @@
+/*
+ * Copyright 2012-2025 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.
+ */
+
+/**
+ * Support for testcontainers MongoDB service connections.
+ */
+package org.springframework.boot.mongodb.testcontainers;

spring-boot-project/spring-boot-mongodb/src/main/resources/META-INF/spring.factories

@@ -0,0 +1,3 @@
+# Connection Details Factories
+org.springframework.boot.autoconfigure.service.connection.ConnectionDetailsFactory=\
+org.springframework.boot.mongodb.testcontainers.MongoContainerConnectionDetailsFactory

spring-boot-project/spring-boot-mongodb/src/test/java/org/springframework/boot/mongodb/testcontainers/MongoContainerConnectionDetailsFactoryTests.java

@@ -0,0 +1,41 @@
+/*
+ * Copyright 2012-2025 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.mongodb.testcontainers;
+
+import com.mongodb.ConnectionString;
+import org.junit.jupiter.api.Test;
+
+import org.springframework.aot.hint.RuntimeHints;
+import org.springframework.aot.hint.predicate.RuntimeHintsPredicates;
+import org.springframework.boot.testcontainers.service.connection.ContainerConnectionDetailsFactoryHints;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+/**
+ * Tests for {@link MongoContainerConnectionDetailsFactory}.
+ *
+ * @author Moritz Halbritter
+ */
+class MongoContainerConnectionDetailsFactoryTests {
+
+	@Test
+	void shouldRegisterHints() {
+		RuntimeHints hints = ContainerConnectionDetailsFactoryHints.getRegisteredHints(getClass().getClassLoader());
+		assertThat(RuntimeHintsPredicates.reflection().onType(ConnectionString.class)).accepts(hints);
+	}
+
+}