Integration test runs with testcontainers.

Author: yasinuygun

pom.xml

@@ -11,7 +11,7 @@
     <groupId>com.trendyol</groupId>
     <artifactId>recom-engine-web-service</artifactId>
     <version>0.0.1-SNAPSHOT</version>
-    <name>recom-engine</name>
+    <name>recom-engine-web-service</name>
     <description>Demo project for Spring Boot</description>
 
     <properties>
@@ -43,8 +43,21 @@
             <artifactId>spring-boot-starter-data-mongodb</artifactId>
         </dependency>
         <dependency>
-            <groupId>de.flapdoodle.embed</groupId>
-            <artifactId>de.flapdoodle.embed.mongo</artifactId>
+            <groupId>org.testcontainers</groupId>
+            <artifactId>testcontainers</artifactId>
+            <version>1.11.3</version>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.junit.jupiter</groupId>
+            <artifactId>junit-jupiter-api</artifactId>
+            <version>RELEASE</version>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.junit.jupiter</groupId>
+            <artifactId>junit-jupiter-api</artifactId>
+            <version>RELEASE</version>
             <scope>test</scope>
         </dependency>
     </dependencies>

src/test/java/com/trendyol/recomengine/webservice/controller/BaseMongoIntegrationTest.java

@@ -0,0 +1,64 @@
+package com.trendyol.recomengine.webservice.controller;
+
+import com.trendyol.recomengine.webservice.model.Recommendation;
+import com.trendyol.recomengine.webservice.repository.RecommendationRepository;
+import com.trendyol.recomengine.webservice.service.RecommendationService;
+import org.junit.Assert;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.boot.test.util.TestPropertyValues;
+import org.springframework.context.ApplicationContextInitializer;
+import org.springframework.context.ConfigurableApplicationContext;
+import org.springframework.context.event.ContextClosedEvent;
+import org.springframework.test.context.ActiveProfiles;
+import org.springframework.test.context.ContextConfiguration;
+import org.springframework.test.context.junit4.SpringRunner;
+import org.testcontainers.containers.GenericContainer;
+import org.testcontainers.containers.wait.strategy.Wait;
+
+@RunWith(SpringRunner.class)
+@SpringBootTest(webEnvironment = SpringBootTest.WebEnvironment.NONE)
+@ActiveProfiles("test")
+@ContextConfiguration(initializers = BaseMongoIntegrationTest.Initializer.class)
+public class BaseMongoIntegrationTest {
+    private static final int MONGO_PORT = 27017;
+
+    private static GenericContainer mongoContainer = new GenericContainer("mongo:latest")
+            .withExposedPorts(MONGO_PORT)
+            .waitingFor(Wait.forListeningPort());
+    @Autowired
+    RecommendationRepository recommendationRepository;
+    @Autowired
+    RecommendationService recommendationService;
+
+    @Test
+    public void dummyTest() {
+        String userId = "3";
+        String[] recommendations = new String[]{"1", "2", "3", "4", "5", "6", "7", "8", "9", "10"};
+
+        Recommendation recommendation = new Recommendation(userId, recommendations);
+        recommendationRepository.save(recommendation);
+        Assert.assertEquals(recommendationService.getRecommendations(userId).get_id(), userId);
+    }
+
+    static class Initializer implements ApplicationContextInitializer<ConfigurableApplicationContext> {
+        @Override
+        public void initialize(ConfigurableApplicationContext applicationContext) {
+            mongoContainer.start();
+
+            TestPropertyValues.of("spring.data.mongodb.uri=mongodb://localhost:" + mongoContainer.getMappedPort(MONGO_PORT))
+                    .applyTo(applicationContext);
+
+            applicationContext.addApplicationListener(
+                    applicationEvent -> {
+                        if (applicationEvent instanceof ContextClosedEvent) {
+                            mongoContainer.stop();
+                        }
+                    }
+            );
+        }
+    }
+}
+

src/test/java/com/trendyol/recomengine/webservice/controller/RecommendationControllerIntegrationTests.java

@@ -7,15 +7,15 @@
 import org.junit.runner.RunWith;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.context.ActiveProfiles;
 import org.springframework.test.context.ContextConfiguration;
 import org.springframework.test.context.junit4.SpringRunner;
 import org.springframework.test.context.support.AnnotationConfigContextLoader;
-
-import static org.assertj.core.api.Assertions.assertThat;
+import org.testcontainers.containers.GenericContainer;
 
 @RunWith(SpringRunner.class)
-@SpringBootTest
-@ContextConfiguration(loader = AnnotationConfigContextLoader.class)
+@SpringBootTest(webEnvironment = SpringBootTest.WebEnvironment.NONE)
+@ActiveProfiles("test")
 public class RecommendationControllerIntegrationTests {
     @Autowired
     RecommendationRepository recommendationRepository;
@@ -31,10 +31,12 @@ public void contextLoad() {
     @Test
     public void givenUserObject_whenSave_thenCreateNewUser() {
         String userId = "3";
-        String recommendations[] = new String[] {"1","2","3","4","5","6","7","8","9","10"};
+        String[] recommendations = new String[]{"1", "2", "3", "4", "5", "6", "7", "8", "9", "10"};
 
         Recommendation recommendation = new Recommendation(userId, recommendations);
         recommendationRepository.save(recommendation);
-        assert(recommendationService.getRecommendations(userId).get_id().equals(userId));
+        assert (recommendationService.getRecommendations(userId).get_id().equals(userId));
     }
+
 }
+