Use testcontainers for MongoDB samples.

...with some exceptions for samples that require a replica set.

See #632

mongodb/reactive/src/test/java/example/springdata/mongodb/people/ReactiveMongoTemplateIntegrationTest.java

@@ -17,6 +17,12 @@ package example.springdata.mongodb.people;
 
 import static org.assertj.core.api.Assertions.*;
 
+import org.springframework.test.context.DynamicPropertyRegistry;
+import org.springframework.test.context.DynamicPropertySource;
+import org.testcontainers.containers.MongoDBContainer;
+import org.testcontainers.junit.jupiter.Container;
+import org.testcontainers.junit.jupiter.Testcontainers;
+import org.testcontainers.utility.DockerImageName;
 import reactor.core.publisher.Flux;
 import reactor.test.StepVerifier;
 import rx.RxReactiveStreams;
@@ -37,9 +43,19 @@ import org.springframework.data.mongodb.core.query.Query;
  *
  * @author Mark Paluch
  */
+@Testcontainers
 @DataMongoTest
 class ReactiveMongoTemplateIntegrationTest {
 
+	@Container //
+	private static MongoDBContainer mongoDBContainer = new MongoDBContainer(
+			DockerImageName.parse("mongo:5.0"));
+
+	@DynamicPropertySource
+	static void setProperties(DynamicPropertyRegistry registry) {
+		registry.add("spring.data.mongodb.uri", mongoDBContainer::getReplicaSetUrl);
+	}
+
 	@Autowired ReactiveMongoTemplate template;
 
 	@BeforeEach

mongodb/reactive/src/test/java/example/springdata/mongodb/people/ReactivePersonRepositoryIntegrationTest.java

@@ -17,6 +17,12 @@ package example.springdata.mongodb.people;
 
 import static org.assertj.core.api.Assertions.*;
 
+import org.springframework.test.context.DynamicPropertyRegistry;
+import org.springframework.test.context.DynamicPropertySource;
+import org.testcontainers.containers.MongoDBContainer;
+import org.testcontainers.junit.jupiter.Container;
+import org.testcontainers.junit.jupiter.Testcontainers;
+import org.testcontainers.utility.DockerImageName;
 import reactor.core.publisher.Flux;
 import reactor.core.publisher.Mono;
 import reactor.test.StepVerifier;
@@ -37,9 +43,19 @@ import org.springframework.data.mongodb.core.ReactiveMongoOperations;
  *
  * @author Mark Paluch
  */
+@Testcontainers
 @DataMongoTest
 class ReactivePersonRepositoryIntegrationTest {
 
+	@Container //
+	private static MongoDBContainer mongoDBContainer = new MongoDBContainer(
+			DockerImageName.parse("mongo:5.0"));
+
+	@DynamicPropertySource
+	static void setProperties(DynamicPropertyRegistry registry) {
+		registry.add("spring.data.mongodb.uri", mongoDBContainer::getReplicaSetUrl);
+	}
+
 	@Autowired ReactivePersonRepository repository;
 	@Autowired ReactiveMongoOperations operations;
 

mongodb/reactive/src/test/java/example/springdata/mongodb/people/RxJava2PersonRepositoryIntegrationTest.java

@@ -19,6 +19,12 @@ import static org.assertj.core.api.Assertions.*;
 
 import io.reactivex.Flowable;
 import io.reactivex.Single;
+import org.springframework.test.context.DynamicPropertyRegistry;
+import org.springframework.test.context.DynamicPropertySource;
+import org.testcontainers.containers.MongoDBContainer;
+import org.testcontainers.junit.jupiter.Container;
+import org.testcontainers.junit.jupiter.Testcontainers;
+import org.testcontainers.utility.DockerImageName;
 import reactor.core.publisher.Mono;
 import reactor.test.StepVerifier;
 
@@ -42,9 +48,19 @@ import org.springframework.data.mongodb.core.ReactiveMongoOperations;
  * @author Jens Schauder
  * @author Christoph Strobl
  */
+@Testcontainers
 @DataMongoTest
 class RxJava2PersonRepositoryIntegrationTest {
 
+	@Container //
+	private static MongoDBContainer mongoDBContainer = new MongoDBContainer(
+			DockerImageName.parse("mongo:5.0"));
+
+	@DynamicPropertySource
+	static void setProperties(DynamicPropertyRegistry registry) {
+		registry.add("spring.data.mongodb.uri", mongoDBContainer::getReplicaSetUrl);
+	}
+
 	@Autowired RxJava2PersonRepository repository;
 	@Autowired ReactiveMongoOperations operations;
 

mongodb/reactive/src/test/resources/application.properties

@@ -1,3 +0,0 @@
-# Random port for embedded MongoDB
-spring.data.mongodb.port=0
-spring.mongodb.embedded.version=3.6.0