Add ExternalWorkerServiceTest
diff --git a/runners/portability/java/src/test/java/org/apache/beam/runners/portability/ExternalWorkerServiceTest.java b/runners/portability/java/src/test/java/org/apache/beam/runners/portability/ExternalWorkerServiceTest.java
new file mode 100644
index 0000000..8997cd2
--- /dev/null
+++ b/runners/portability/java/src/test/java/org/apache/beam/runners/portability/ExternalWorkerServiceTest.java
@@ -0,0 +1,61 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you 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.apache.beam.runners.portability;
+
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.verify;
+
+import org.apache.beam.model.fnexecution.v1.BeamFnApi.StartWorkerRequest;
+import org.apache.beam.model.fnexecution.v1.BeamFnApi.StartWorkerResponse;
+import org.apache.beam.model.fnexecution.v1.BeamFnApi.StopWorkerRequest;
+import org.apache.beam.model.fnexecution.v1.BeamFnApi.StopWorkerResponse;
+import org.apache.beam.sdk.options.PipelineOptions;
+import org.apache.beam.sdk.options.PipelineOptionsFactory;
+import org.apache.beam.vendor.grpc.v1p26p0.io.grpc.stub.StreamObserver;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.JUnit4;
+
+@RunWith(JUnit4.class)
+public class ExternalWorkerServiceTest {
+
+ @Test
+ public void startWorker() {
+ PipelineOptions options = PipelineOptionsFactory.create();
+ StartWorkerRequest request = StartWorkerRequest.newBuilder().build();
+ StreamObserver<StartWorkerResponse> responseObserver = mock(StreamObserver.class);
+ ExternalWorkerService service = new ExternalWorkerService(options);
+ service.startWorker(request, responseObserver);
+
+ verify(responseObserver).onNext(any(StartWorkerResponse.class));
+ verify(responseObserver).onCompleted();
+ }
+
+ @Test
+ public void stopWorker() {
+ PipelineOptions options = PipelineOptionsFactory.create();
+ StopWorkerRequest request = StopWorkerRequest.newBuilder().build();
+ StreamObserver<StopWorkerResponse> responseObserver = mock(StreamObserver.class);
+ ExternalWorkerService service = new ExternalWorkerService(options);
+ service.stopWorker(request, responseObserver);
+
+ verify(responseObserver).onNext(any(StopWorkerResponse.class));
+ verify(responseObserver).onCompleted();
+ }
+}