| /* |
| * 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.sdk.fn.stream; |
| |
| import static org.mockito.Mockito.mock; |
| import static org.mockito.Mockito.verify; |
| import static org.mockito.Mockito.verifyNoMoreInteractions; |
| |
| import org.apache.beam.vendor.grpc.v1p21p0.io.grpc.stub.ClientCallStreamObserver; |
| import org.apache.beam.vendor.grpc.v1p21p0.io.grpc.stub.ClientResponseObserver; |
| import org.apache.beam.vendor.grpc.v1p21p0.io.grpc.stub.StreamObserver; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.JUnit4; |
| |
| /** Tests for {@link ForwardingClientResponseObserver}. */ |
| @RunWith(JUnit4.class) |
| public class ForwardingClientResponseObserverTest { |
| @Test |
| public void testCallsAreForwardedAndOnReadyHandlerBound() { |
| @SuppressWarnings("unchecked") |
| StreamObserver<Object> delegateObserver = mock(StreamObserver.class); |
| @SuppressWarnings("unchecked") |
| ClientCallStreamObserver<Object> callStreamObserver = mock(ClientCallStreamObserver.class); |
| Runnable onReadyHandler = () -> {}; |
| ClientResponseObserver<Object, Object> observer = |
| new ForwardingClientResponseObserver<>(delegateObserver, onReadyHandler); |
| observer.onNext("A"); |
| verify(delegateObserver).onNext("A"); |
| Throwable t = new RuntimeException(); |
| observer.onError(t); |
| verify(delegateObserver).onError(t); |
| observer.onCompleted(); |
| verify(delegateObserver).onCompleted(); |
| observer.beforeStart(callStreamObserver); |
| verify(callStreamObserver).setOnReadyHandler(onReadyHandler); |
| verifyNoMoreInteractions(delegateObserver, callStreamObserver); |
| } |
| } |