| /** |
| * 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 |
| * <p> |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * <p> |
| * 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.ratis.grpc.util; |
| |
| import org.apache.ratis.BaseTest; |
| import org.apache.ratis.grpc.util.GrpcTestClient.StreamObserverFactory; |
| import org.apache.ratis.thirdparty.io.grpc.StatusRuntimeException; |
| import org.apache.ratis.util.NetUtils; |
| import org.apache.ratis.util.Slf4jUtils; |
| import org.apache.ratis.util.StringUtils; |
| import org.apache.ratis.util.TimeDuration; |
| import org.junit.Assert; |
| import org.junit.Test; |
| import org.slf4j.event.Level; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.concurrent.CompletableFuture; |
| import java.util.concurrent.ExecutionException; |
| import java.util.function.Function; |
| |
| public class TestStreamObserverWithTimeout extends BaseTest { |
| { |
| Slf4jUtils.setLogLevel(ResponseNotifyClientInterceptor.LOG, Level.TRACE); |
| } |
| |
| enum Type { |
| WithDeadline(GrpcTestClient::withDeadline), |
| WithTimeout(GrpcTestClient::withTimeout); |
| |
| private final Function<TimeDuration, StreamObserverFactory> factory; |
| |
| Type(Function<TimeDuration, StreamObserverFactory> function) { |
| this.factory = function; |
| } |
| |
| StreamObserverFactory createFunction(TimeDuration timeout) { |
| return factory.apply(timeout); |
| } |
| } |
| |
| @Test |
| public void testWithDeadline() throws Exception { |
| //the total sleep time is within the deadline |
| runTestTimeout(8, Type.WithDeadline); |
| } |
| |
| @Test |
| public void testWithDeadlineFailure() { |
| //Expected to have DEADLINE_EXCEEDED |
| testFailureCase("total sleep time is longer than the deadline", |
| () -> runTestTimeout(12, Type.WithDeadline), |
| ExecutionException.class, StatusRuntimeException.class); |
| } |
| |
| @Test |
| public void testWithTimeout() throws Exception { |
| //Each sleep time is within the timeout, |
| //Note that the total sleep time is longer than the timeout, but it does not matter. |
| runTestTimeout(12, Type.WithTimeout); |
| } |
| |
| void runTestTimeout(int slow, Type type) throws Exception { |
| LOG.info("slow = {}, {}", slow, type); |
| final TimeDuration timeout = ONE_SECOND.multiply(0.5); |
| final StreamObserverFactory function = type.createFunction(timeout); |
| |
| final List<String> messages = new ArrayList<>(); |
| for (int i = 0; i < 2 * slow; i++) { |
| messages.add("m" + i); |
| } |
| try (GrpcTestServer server = new GrpcTestServer(NetUtils.getFreePort(), slow, timeout)) { |
| final int port = server.start(); |
| try (GrpcTestClient client = new GrpcTestClient(NetUtils.LOCALHOST, port, function)) { |
| |
| final List<CompletableFuture<String>> futures = new ArrayList<>(); |
| for (String m : messages) { |
| futures.add(client.send(m)); |
| } |
| |
| int i = 0; |
| for (; i < slow; i++) { |
| final String expected = i + GrpcTestServer.GreeterImpl.toReplySuffix(messages.get(i)); |
| final String reply = futures.get(i).get(); |
| Assert.assertEquals("expected = " + expected + " != reply = " + reply, expected, reply); |
| LOG.info("{}) passed", i); |
| } |
| |
| for (; i < messages.size(); i++) { |
| final CompletableFuture<String> f = futures.get(i); |
| try { |
| final String reply = f.get(); |
| Assert.fail(i + ") reply = " + reply + ", " |
| + StringUtils.completableFuture2String(f, false)); |
| } catch (ExecutionException e) { |
| LOG.info("GOOD! {}) {}, {}", i, StringUtils.completableFuture2String(f, true), e); |
| } |
| } |
| } |
| } |
| } |
| } |