Docker Compose: allow specific services to be started (#1528)

Author: HaMatthias

core/src/main/java/org/testcontainers/containers/DockerComposeContainer.java

@@ -75,6 +75,8 @@ public class DockerComposeContainer<SELF extends DockerComposeContainer<SELF>> e
 
     private static final Object MUTEX = new Object();
 
+    private List<String> services = new ArrayList<>();
+
     /**
      * Properties that should be passed through to all Compose and ambassador containers (not
      * necessarily to containers that are spawned by Compose itself)
@@ -159,10 +161,18 @@ private void pullImages() {
         runWithCompose("pull");
     }
 
+    public SELF withServices(@NonNull String... services) {
+        this.services = Arrays.asList(services);
+        return self();
+    }
 
     private void createServices() {
         // Run the docker-compose container, which starts up the services
-        runWithCompose("up -d");
+        if(services.isEmpty()) {
+            runWithCompose("up -d");
+        } else {
+            runWithCompose("up -d " + String.join(" ", services));
+        }
     }
 
     private void waitUntilServiceStarted() {

core/src/test/java/org/testcontainers/junit/DockerComposeServiceTest.java

@@ -0,0 +1,33 @@
+package org.testcontainers.junit;
+
+import org.junit.Rule;
+import org.junit.Test;
+import org.testcontainers.containers.DockerComposeContainer;
+
+import static org.rnorth.visibleassertions.VisibleAssertions.assertNotNull;
+
+import java.io.File;
+
+public class DockerComposeServiceTest extends BaseDockerComposeTest {
+
+    @Rule
+    public DockerComposeContainer environment = new DockerComposeContainer(new File("src/test/resources/compose-test.yml"))
+            .withServices("redis")
+            .withExposedService("redis_1", REDIS_PORT);
+
+
+    @Override
+    protected DockerComposeContainer getEnvironment() {
+        return environment;
+    }
+
+    @Test(expected = NullPointerException.class)
+    public void testDbIsNotStarting() {
+        environment.getServicePort("db_1", 10001);
+    }
+
+    @Test
+    public void testRedisIsStarting() {
+        assertNotNull("Redis server started", environment.getServicePort("redis_1", REDIS_PORT));
+    }
+}