| /* |
| * 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.lucene.store; |
| |
| import java.io.IOException; |
| import java.lang.ProcessBuilder.Redirect; |
| import java.nio.file.Path; |
| import java.nio.file.Paths; |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.concurrent.TimeUnit; |
| |
| import org.apache.lucene.util.LuceneTestCase; |
| import org.apache.lucene.util.SuppressForbidden; |
| |
| @LuceneTestCase.SuppressFileSystems("*") |
| public class TestStressLockFactories extends LuceneTestCase { |
| |
| @SuppressForbidden(reason = "ProcessBuilder only allows to redirect to java.io.File") |
| private static final ProcessBuilder applyRedirection(ProcessBuilder pb, int client, Path dir) { |
| if (VERBOSE) { |
| return pb.inheritIO(); |
| } else { |
| return pb |
| .redirectError(dir.resolve("err-" + client + ".txt").toFile()) |
| .redirectOutput(dir.resolve("out-" + client + ".txt").toFile()) |
| .redirectInput(Redirect.INHERIT); |
| } |
| } |
| |
| private void runImpl(Class<? extends LockFactory> impl) throws Exception { |
| final int clients = TEST_NIGHTLY ? 5 : 2; |
| final String host = "127.0.0.1"; |
| final int delay = 1; |
| final int rounds = (TEST_NIGHTLY ? 30000 : 500) * RANDOM_MULTIPLIER; |
| |
| final Path dir = createTempDir(impl.getSimpleName()); |
| |
| final List<Process> processes = new ArrayList<>(clients); |
| |
| LockVerifyServer.run(host, clients, addr -> { |
| // spawn clients as separate Java processes |
| for (int i = 0; i < clients; i++) { |
| try { |
| processes.add(applyRedirection(new ProcessBuilder( |
| Paths.get(System.getProperty("java.home"), "bin", "java").toString(), |
| "-Xmx32M", |
| "-cp", |
| System.getProperty("java.class.path"), |
| LockStressTest.class.getName(), |
| Integer.toString(i), |
| addr.getHostString(), |
| Integer.toString(addr.getPort()), |
| impl.getName(), |
| dir.toString(), |
| Integer.toString(delay), |
| Integer.toString(rounds) |
| ), i, dir).start()); |
| } catch (IOException ioe) { |
| throw new AssertionError("Failed to start child process.", ioe); |
| } |
| } |
| }); |
| |
| // wait for all processes to exit... |
| try { |
| for (Process p : processes) { |
| if (p.waitFor(15, TimeUnit.SECONDS)) { |
| assertEquals("Process died abnormally?", 0, p.waitFor()); |
| } |
| } |
| } finally { |
| // kill all processes, which are still alive. |
| for (Process p : processes) { |
| if (p.isAlive()) { |
| p.destroyForcibly().waitFor(); |
| } |
| } |
| } |
| } |
| |
| public void testNativeFSLockFactory() throws Exception { |
| runImpl(NativeFSLockFactory.class); |
| } |
| |
| public void testSimpleFSLockFactory() throws Exception { |
| runImpl(SimpleFSLockFactory.class); |
| } |
| |
| } |