| /* |
| * Copyright 2015 The gRPC Authors |
| * |
| * Licensed 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 io.grpc.testing.integration; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertNull; |
| import static org.junit.Assert.assertTrue; |
| |
| import io.grpc.ManagedChannel; |
| import io.grpc.Server; |
| import io.grpc.Status; |
| import io.grpc.StatusRuntimeException; |
| import io.grpc.inprocess.InProcessChannelBuilder; |
| import io.grpc.inprocess.InProcessServerBuilder; |
| import io.grpc.stub.StreamObserver; |
| import io.grpc.testing.integration.Messages.StreamingInputCallRequest; |
| import io.grpc.testing.integration.Messages.StreamingInputCallResponse; |
| import io.grpc.testing.integration.TestServiceGrpc.TestServiceImplBase; |
| import io.grpc.util.MutableHandlerRegistry; |
| import java.util.concurrent.CountDownLatch; |
| import java.util.concurrent.TimeUnit; |
| import java.util.concurrent.atomic.AtomicReference; |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.Rule; |
| import org.junit.Test; |
| import org.junit.rules.Timeout; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.JUnit4; |
| |
| /** |
| * Unit tests for {@link io.grpc.inprocess}. |
| * Test more corner usecases, client not playing by the rules, server not playing by the rules, etc. |
| */ |
| @RunWith(JUnit4.class) |
| public class MoreInProcessTest { |
| private static final String UNIQUE_SERVER_NAME = |
| "in-process server for " + MoreInProcessTest.class; |
| @Rule |
| public final Timeout globalTimeout = new Timeout(1, TimeUnit.SECONDS); |
| // use a mutable service registry for later registering the service impl for each test case. |
| private final MutableHandlerRegistry serviceRegistry = new MutableHandlerRegistry(); |
| private final Server inProcessServer = InProcessServerBuilder.forName(UNIQUE_SERVER_NAME) |
| .fallbackHandlerRegistry(serviceRegistry).directExecutor().build(); |
| private final ManagedChannel inProcessChannel = |
| InProcessChannelBuilder.forName(UNIQUE_SERVER_NAME).directExecutor().build(); |
| |
| @Before |
| public void setUp() throws Exception { |
| inProcessServer.start(); |
| } |
| |
| @After |
| public void tearDown() throws Exception { |
| inProcessChannel.shutdown(); |
| inProcessServer.shutdown(); |
| assertTrue(inProcessChannel.awaitTermination(900, TimeUnit.MILLISECONDS)); |
| assertTrue(inProcessServer.awaitTermination(900, TimeUnit.MILLISECONDS)); |
| } |
| |
| @Test |
| public void asyncClientStreaming_serverResponsePriorToRequest() throws Exception { |
| // implement a service |
| final StreamingInputCallResponse fakeResponse = |
| StreamingInputCallResponse.newBuilder().setAggregatedPayloadSize(100).build(); |
| TestServiceImplBase clientStreamingImpl = new TestServiceImplBase() { |
| @Override |
| public StreamObserver<StreamingInputCallRequest> streamingInputCall( |
| StreamObserver<StreamingInputCallResponse> responseObserver) { |
| // send response directly |
| responseObserver.onNext(fakeResponse); |
| responseObserver.onCompleted(); |
| return new StreamObserver<StreamingInputCallRequest>() { |
| @Override |
| public void onNext(StreamingInputCallRequest value) { |
| } |
| |
| @Override |
| public void onError(Throwable t) { |
| } |
| |
| @Override |
| public void onCompleted() { |
| } |
| }; |
| } |
| }; |
| serviceRegistry.addService(clientStreamingImpl); |
| // implement a client |
| final CountDownLatch finishLatch = new CountDownLatch(1); |
| final AtomicReference<StreamingInputCallResponse> responseRef = |
| new AtomicReference<StreamingInputCallResponse>(); |
| final AtomicReference<Throwable> throwableRef = new AtomicReference<Throwable>(); |
| StreamObserver<StreamingInputCallResponse> responseObserver = |
| new StreamObserver<StreamingInputCallResponse>() { |
| @Override |
| public void onNext(StreamingInputCallResponse response) { |
| responseRef.set(response); |
| } |
| |
| @Override |
| public void onError(Throwable t) { |
| throwableRef.set(t); |
| finishLatch.countDown(); |
| } |
| |
| @Override |
| public void onCompleted() { |
| finishLatch.countDown(); |
| } |
| }; |
| |
| // make a gRPC call |
| TestServiceGrpc.newStub(inProcessChannel).streamingInputCall(responseObserver); |
| |
| assertTrue(finishLatch.await(900, TimeUnit.MILLISECONDS)); |
| assertEquals(fakeResponse, responseRef.get()); |
| assertNull(throwableRef.get()); |
| } |
| |
| @Test |
| public void asyncClientStreaming_serverErrorPriorToRequest() throws Exception { |
| // implement a service |
| final Status fakeError = Status.INVALID_ARGUMENT; |
| TestServiceImplBase clientStreamingImpl = new TestServiceImplBase() { |
| @Override |
| public StreamObserver<StreamingInputCallRequest> streamingInputCall( |
| StreamObserver<StreamingInputCallResponse> responseObserver) { |
| // send error directly |
| responseObserver.onError(new StatusRuntimeException(fakeError)); |
| responseObserver.onCompleted(); |
| return new StreamObserver<StreamingInputCallRequest>() { |
| @Override |
| public void onNext(StreamingInputCallRequest value) { |
| } |
| |
| @Override |
| public void onError(Throwable t) { |
| } |
| |
| @Override |
| public void onCompleted() { |
| } |
| }; |
| } |
| }; |
| serviceRegistry.addService(clientStreamingImpl); |
| // implement a client |
| final CountDownLatch finishLatch = new CountDownLatch(1); |
| final AtomicReference<StreamingInputCallResponse> responseRef = |
| new AtomicReference<StreamingInputCallResponse>(); |
| final AtomicReference<Throwable> throwableRef = new AtomicReference<Throwable>(); |
| StreamObserver<StreamingInputCallResponse> responseObserver = |
| new StreamObserver<StreamingInputCallResponse>() { |
| @Override |
| public void onNext(StreamingInputCallResponse response) { |
| responseRef.set(response); |
| } |
| |
| @Override |
| public void onError(Throwable t) { |
| throwableRef.set(t); |
| finishLatch.countDown(); |
| } |
| |
| @Override |
| public void onCompleted() { |
| finishLatch.countDown(); |
| } |
| }; |
| |
| // make a gRPC call |
| TestServiceGrpc.newStub(inProcessChannel).streamingInputCall(responseObserver); |
| |
| assertTrue(finishLatch.await(900, TimeUnit.MILLISECONDS)); |
| assertEquals(fakeError.getCode(), Status.fromThrowable(throwableRef.get()).getCode()); |
| assertNull(responseRef.get()); |
| } |
| |
| @Test |
| public void asyncClientStreaming_erroneousServiceImpl() throws Exception { |
| // implement a service |
| TestServiceImplBase clientStreamingImpl = new TestServiceImplBase() { |
| @Override |
| public StreamObserver<StreamingInputCallRequest> streamingInputCall( |
| StreamObserver<StreamingInputCallResponse> responseObserver) { |
| StreamObserver<StreamingInputCallRequest> requestObserver = |
| new StreamObserver<StreamingInputCallRequest>() { |
| @Override |
| public void onNext(StreamingInputCallRequest value) { |
| throw new RuntimeException( |
| "unexpected error due to careless implementation of serviceImpl"); |
| } |
| |
| @Override |
| public void onError(Throwable t) { |
| } |
| |
| @Override |
| public void onCompleted() { |
| } |
| }; |
| return requestObserver; |
| } |
| }; |
| serviceRegistry.addService(clientStreamingImpl); |
| // implement a client |
| final CountDownLatch finishLatch = new CountDownLatch(1); |
| final AtomicReference<StreamingInputCallResponse> responseRef = |
| new AtomicReference<StreamingInputCallResponse>(); |
| final AtomicReference<Throwable> throwableRef = new AtomicReference<Throwable>(); |
| StreamObserver<StreamingInputCallResponse> responseObserver = |
| new StreamObserver<StreamingInputCallResponse>() { |
| @Override |
| public void onNext(StreamingInputCallResponse response) { |
| responseRef.set(response); |
| } |
| |
| @Override |
| public void onError(Throwable t) { |
| throwableRef.set(t); |
| finishLatch.countDown(); |
| } |
| |
| @Override |
| public void onCompleted() { |
| finishLatch.countDown(); |
| } |
| }; |
| |
| // make a gRPC call |
| TestServiceGrpc.newStub(inProcessChannel).streamingInputCall(responseObserver) |
| .onNext(StreamingInputCallRequest.getDefaultInstance()); |
| |
| assertTrue(finishLatch.await(900, TimeUnit.MILLISECONDS)); |
| assertEquals(Status.UNKNOWN, Status.fromThrowable(throwableRef.get())); |
| assertNull(responseRef.get()); |
| } |
| } |