| /* |
| * 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.camel.component.grpc; |
| |
| import java.io.IOException; |
| import java.util.List; |
| import java.util.concurrent.CountDownLatch; |
| import java.util.concurrent.TimeUnit; |
| |
| import io.grpc.Server; |
| import io.grpc.ServerBuilder; |
| import io.grpc.stub.StreamObserver; |
| import org.apache.camel.Exchange; |
| import org.apache.camel.builder.RouteBuilder; |
| import org.apache.camel.support.SynchronizationAdapter; |
| import org.apache.camel.test.AvailablePortFinder; |
| import org.apache.camel.test.junit4.CamelTestSupport; |
| import org.junit.AfterClass; |
| import org.junit.BeforeClass; |
| import org.junit.Test; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| public class GrpcProducerAsyncTest extends CamelTestSupport { |
| private static final Logger LOG = LoggerFactory.getLogger(GrpcProducerAsyncTest.class); |
| |
| private static final int GRPC_TEST_PORT = AvailablePortFinder.getNextAvailable(); |
| private static final int GRPC_TEST_PING_ID = 1; |
| private static final int GRPC_TEST_PONG_ID01 = 1; |
| private static final int GRPC_TEST_PONG_ID02 = 2; |
| private static final String GRPC_TEST_PING_VALUE = "PING"; |
| private static final String GRPC_TEST_PONG_VALUE = "PONG"; |
| |
| private static Server grpcServer; |
| private Object asyncPongResponse; |
| |
| @BeforeClass |
| public static void startGrpcServer() throws Exception { |
| grpcServer = ServerBuilder.forPort(GRPC_TEST_PORT).addService(new PingPongImpl()).build().start(); |
| LOG.info("gRPC server started on port {}", GRPC_TEST_PORT); |
| } |
| |
| @AfterClass |
| public static void stopGrpcServer() throws IOException { |
| if (grpcServer != null) { |
| grpcServer.shutdown(); |
| LOG.info("gRPC server stoped"); |
| } |
| } |
| |
| @Test |
| public void testPingSyncSyncMethodInvocation() throws Exception { |
| LOG.info("gRPC PingSyncSync method test start"); |
| final CountDownLatch latch = new CountDownLatch(1); |
| PingRequest pingRequest = PingRequest.newBuilder().setPingName(GRPC_TEST_PING_VALUE).setPingId(GRPC_TEST_PING_ID).build(); |
| |
| // Testing sync service call with async style invocation |
| template.asyncCallbackSendBody("direct:grpc-sync-sync", pingRequest, new SynchronizationAdapter() { |
| |
| @Override |
| public void onComplete(Exchange exchange) { |
| asyncPongResponse = exchange.getOut().getBody(); |
| latch.countDown(); |
| } |
| }); |
| latch.await(1, TimeUnit.SECONDS); |
| |
| assertNotNull(asyncPongResponse); |
| assertTrue(asyncPongResponse instanceof List); |
| |
| @SuppressWarnings("unchecked") |
| List<PongResponse> asyncPongResponseList = (List<PongResponse>)asyncPongResponse; |
| assertEquals(1, asyncPongResponseList.size()); |
| assertEquals(asyncPongResponseList.get(0).getPongId(), GRPC_TEST_PING_ID); |
| assertEquals(asyncPongResponseList.get(0).getPongName(), GRPC_TEST_PING_VALUE + GRPC_TEST_PONG_VALUE); |
| } |
| |
| @Test |
| public void testPingSyncAsyncMethodInvocation() throws Exception { |
| LOG.info("gRPC PingSyncAsync method test start"); |
| final CountDownLatch latch = new CountDownLatch(1); |
| PingRequest pingRequest = PingRequest.newBuilder().setPingName(GRPC_TEST_PING_VALUE).setPingId(GRPC_TEST_PING_ID).build(); |
| |
| // Testing async service call |
| template.asyncCallbackSendBody("direct:grpc-sync-async", pingRequest, new SynchronizationAdapter() { |
| |
| @Override |
| public void onComplete(Exchange exchange) { |
| asyncPongResponse = exchange.getOut().getBody(); |
| latch.countDown(); |
| } |
| }); |
| latch.await(1, TimeUnit.SECONDS); |
| |
| assertNotNull(asyncPongResponse); |
| assertTrue(asyncPongResponse instanceof List); |
| |
| @SuppressWarnings("unchecked") |
| List<PongResponse> asyncPongResponseList = (List<PongResponse>)asyncPongResponse; |
| assertEquals(2, asyncPongResponseList.size()); |
| assertEquals(asyncPongResponseList.get(0).getPongId(), GRPC_TEST_PONG_ID01); |
| assertEquals(asyncPongResponseList.get(1).getPongId(), GRPC_TEST_PONG_ID02); |
| assertEquals(asyncPongResponseList.get(0).getPongName(), GRPC_TEST_PING_VALUE + GRPC_TEST_PONG_VALUE); |
| } |
| |
| @Test |
| public void testPingAsyncSyncMethodInvocation() throws Exception { |
| LOG.info("gRPC PingAsyncSync method test start"); |
| final CountDownLatch latch = new CountDownLatch(1); |
| PingRequest pingRequest = PingRequest.newBuilder().setPingName(GRPC_TEST_PING_VALUE).setPingId(GRPC_TEST_PING_ID).build(); |
| |
| // Testing async service call with async style invocation |
| template.asyncCallbackSendBody("direct:grpc-async-sync", pingRequest, new SynchronizationAdapter() { |
| |
| @Override |
| public void onComplete(Exchange exchange) { |
| asyncPongResponse = exchange.getOut().getBody(); |
| latch.countDown(); |
| } |
| }); |
| latch.await(1, TimeUnit.SECONDS); |
| |
| assertNotNull(asyncPongResponse); |
| assertTrue(asyncPongResponse instanceof List); |
| |
| @SuppressWarnings("unchecked") |
| List<PongResponse> asyncPongResponseList = (List<PongResponse>)asyncPongResponse; |
| assertEquals(1, asyncPongResponseList.size()); |
| assertEquals(asyncPongResponseList.get(0).getPongId(), GRPC_TEST_PING_ID); |
| assertEquals(asyncPongResponseList.get(0).getPongName(), GRPC_TEST_PING_VALUE + GRPC_TEST_PONG_VALUE); |
| } |
| |
| @Test |
| public void testPingAsyncAsyncMethodInvocation() throws Exception { |
| LOG.info("gRPC PingAsyncAsync method test start"); |
| final CountDownLatch latch = new CountDownLatch(1); |
| PingRequest pingRequest = PingRequest.newBuilder().setPingName(GRPC_TEST_PING_VALUE).setPingId(GRPC_TEST_PING_ID).build(); |
| |
| // Testing async service call with async style invocation |
| template.asyncCallbackSendBody("direct:grpc-async-async", pingRequest, new SynchronizationAdapter() { |
| |
| @Override |
| public void onComplete(Exchange exchange) { |
| asyncPongResponse = exchange.getOut().getBody(); |
| latch.countDown(); |
| } |
| }); |
| latch.await(1, TimeUnit.SECONDS); |
| |
| assertNotNull(asyncPongResponse); |
| assertTrue(asyncPongResponse instanceof List); |
| |
| @SuppressWarnings("unchecked") |
| List<PongResponse> asyncPongResponseList = (List<PongResponse>)asyncPongResponse; |
| assertEquals(1, asyncPongResponseList.size()); |
| assertEquals(asyncPongResponseList.get(0).getPongId(), GRPC_TEST_PING_ID); |
| assertEquals(asyncPongResponseList.get(0).getPongName(), GRPC_TEST_PING_VALUE + GRPC_TEST_PONG_VALUE); |
| } |
| |
| @Override |
| protected RouteBuilder createRouteBuilder() throws Exception { |
| return new RouteBuilder() { |
| @Override |
| public void configure() { |
| from("direct:grpc-sync-sync").to("grpc://localhost:" + GRPC_TEST_PORT + "/org.apache.camel.component.grpc.PingPong?method=pingSyncSync"); |
| from("direct:grpc-sync-async").to("grpc://localhost:" + GRPC_TEST_PORT + "/org.apache.camel.component.grpc.PingPong?method=pingSyncAsync"); |
| from("direct:grpc-async-sync").to("grpc://localhost:" + GRPC_TEST_PORT + "/org.apache.camel.component.grpc.PingPong?method=pingAsyncSync"); |
| from("direct:grpc-async-async").to("grpc://localhost:" + GRPC_TEST_PORT + "/org.apache.camel.component.grpc.PingPong?method=pingAsyncAsync"); |
| } |
| }; |
| } |
| |
| /** |
| * Test gRPC PingPong server implementation |
| */ |
| static class PingPongImpl extends PingPongGrpc.PingPongImplBase { |
| @Override |
| public void pingSyncSync(PingRequest request, StreamObserver<PongResponse> responseObserver) { |
| LOG.info("gRPC server received data from PingPong service PingId={} PingName={}", request.getPingId(), request.getPingName()); |
| PongResponse response = PongResponse.newBuilder().setPongName(request.getPingName() + GRPC_TEST_PONG_VALUE).setPongId(request.getPingId()).build(); |
| responseObserver.onNext(response); |
| responseObserver.onCompleted(); |
| } |
| |
| @Override |
| public void pingSyncAsync(PingRequest request, StreamObserver<PongResponse> responseObserver) { |
| LOG.info("gRPC server received data from PingAsyncResponse service PingId={} PingName={}", request.getPingId(), request.getPingName()); |
| PongResponse response01 = PongResponse.newBuilder().setPongName(request.getPingName() + GRPC_TEST_PONG_VALUE).setPongId(GRPC_TEST_PONG_ID01).build(); |
| PongResponse response02 = PongResponse.newBuilder().setPongName(request.getPingName() + GRPC_TEST_PONG_VALUE).setPongId(GRPC_TEST_PONG_ID02).build(); |
| responseObserver.onNext(response01); |
| responseObserver.onNext(response02); |
| responseObserver.onCompleted(); |
| } |
| |
| @Override |
| public StreamObserver<PingRequest> pingAsyncSync(StreamObserver<PongResponse> responseObserver) { |
| StreamObserver<PingRequest> requestObserver = new StreamObserver<PingRequest>() { |
| |
| @Override |
| public void onNext(PingRequest request) { |
| PongResponse response = PongResponse.newBuilder().setPongName(request.getPingName() + GRPC_TEST_PONG_VALUE).setPongId(request.getPingId()).build(); |
| responseObserver.onNext(response); |
| } |
| |
| @Override |
| public void onError(Throwable t) { |
| LOG.info("Error in pingAsyncSync() " + t.getMessage()); |
| } |
| |
| @Override |
| public void onCompleted() { |
| responseObserver.onCompleted(); |
| } |
| }; |
| return requestObserver; |
| } |
| |
| @Override |
| public StreamObserver<PingRequest> pingAsyncAsync(StreamObserver<PongResponse> responseObserver) { |
| StreamObserver<PingRequest> requestObserver = new StreamObserver<PingRequest>() { |
| |
| @Override |
| public void onNext(PingRequest request) { |
| PongResponse response = PongResponse.newBuilder().setPongName(request.getPingName() + GRPC_TEST_PONG_VALUE).setPongId(request.getPingId()).build(); |
| responseObserver.onNext(response); |
| } |
| |
| @Override |
| public void onError(Throwable t) { |
| LOG.info("Error in pingAsyncAsync() " + t.getMessage()); |
| } |
| |
| @Override |
| public void onCompleted() { |
| responseObserver.onCompleted(); |
| } |
| }; |
| return requestObserver; |
| } |
| } |
| } |