| /* |
| * 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.maven.surefire.its; |
| |
| import java.util.Arrays; |
| import java.util.HashSet; |
| import java.util.Set; |
| |
| import org.apache.maven.surefire.its.fixture.OutputValidator; |
| import org.apache.maven.surefire.its.fixture.SurefireJUnit4IntegrationTestCase; |
| import org.apache.maven.surefire.its.fixture.SurefireLauncher; |
| import org.apache.maven.surefire.its.fixture.TestFile; |
| import org.junit.BeforeClass; |
| import org.junit.Test; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertNotEquals; |
| import static org.junit.Assert.fail; |
| |
| /** |
| * Test forkCount and reuseForks |
| * |
| * @author <a href="mailto:dfabulich@apache.org">Dan Fabulich</a> |
| */ |
| public class ForkCountIT extends SurefireJUnit4IntegrationTestCase { |
| |
| private OutputValidator outputValidator; |
| |
| @BeforeClass |
| public static void installDumpPidPlugin() { |
| unpack(ForkCountIT.class, "test-helper-dump-pid-plugin", "plugin").executeInstall(); |
| } |
| |
| @Test |
| public void testForkNever() { |
| String[] pids = doTest(unpack(getProject()).forkNever()); |
| assertSamePids(pids); |
| assertEndWith(pids, "_1_1", 3); |
| assertEquals("my pid is equal to pid 1 of the test", getMainPID(), pids[0]); |
| } |
| |
| @Test |
| public void testForkOncePerThreadSingleThread() { |
| int threadCount = 1; |
| String[] pids = doTest( |
| unpack(getProject()).setForkJvm().forkPerThread(threadCount).threadCount(threadCount)); |
| assertSamePids(pids); |
| assertEndWith(pids, "_1_1", 3); |
| assertNotEquals("pid 1 is not the same as the main process' pid", pids[0], getMainPID()); |
| } |
| |
| @Test |
| public void testForkOncePerThreadTwoThreads() { |
| int threadCount = 2; |
| String[] pids = doTest(unpack(getProject()) |
| .forkPerThread(threadCount) |
| .threadCount(threadCount) |
| .addGoal("-DsleepLength=7200")); |
| assertDifferentPids(pids, 2); |
| assertNotEquals("pid 1 is not the same as the main process' pid", pids[0], getMainPID()); |
| } |
| |
| @Test |
| public void testForkCountOneNoReuse() { |
| String[] pids = doTest(unpack(getProject()).setForkJvm().forkCount(1).reuseForks(false)); |
| assertDifferentPids(pids); |
| assertEndWith(pids, "_1_1", 3); |
| assertNotEquals("pid 1 is not the same as the main process' pid", pids[0], getMainPID()); |
| } |
| |
| @Test |
| public void testForkCountOneReuse() { |
| String[] pids = doTest(unpack(getProject()).setForkJvm().forkCount(1).reuseForks(true)); |
| assertSamePids(pids); |
| assertEndWith(pids, "_1_1", 3); |
| assertNotEquals("pid 1 is not the same as the main process' pid", pids[0], getMainPID()); |
| } |
| |
| @Test |
| public void testForkCountTwoNoReuse() { |
| String[] pids = doTest( |
| unpack(getProject()).setForkJvm().forkCount(2).reuseForks(false).addGoal("-DsleepLength=7200")); |
| assertDifferentPids(pids); |
| assertNotEquals("pid 1 is not the same as the main process' pid", pids[0], getMainPID()); |
| } |
| |
| @Test |
| public void testForkCountTwoReuse() { |
| String[] pids = |
| doTest(unpack(getProject()).forkCount(2).reuseForks(true).addGoal("-DsleepLength=7200")); |
| assertDifferentPids(pids, 2); |
| assertNotEquals("pid 1 is not the same as the main process' pid", pids[0], getMainPID()); |
| } |
| |
| private void assertEndWith(String[] pids, String suffix, int expectedMatches) { |
| int matches = 0; |
| for (String pid : pids) { |
| if (pid.endsWith(suffix)) { |
| matches++; |
| } |
| } |
| |
| assertEquals("suffix " + suffix + " matched the correct number of pids", expectedMatches, matches); |
| } |
| |
| private void assertDifferentPids(String[] pids, int numOfDifferentPids) { |
| Set<String> pidSet = new HashSet<>(Arrays.asList(pids)); |
| assertEquals("number of different pids is not as expected", numOfDifferentPids, pidSet.size()); |
| } |
| |
| @Test |
| public void testForkOnce() { |
| String[] pids = doTest(unpack(getProject()).forkOnce()); |
| assertSamePids(pids); |
| assertNotEquals("pid 1 is not the same as the main process' pid", pids[0], getMainPID()); |
| } |
| |
| private String getMainPID() { |
| final TestFile targetFile = outputValidator.getTargetFile("maven.pid"); |
| String pid = targetFile.slurpFile(); |
| return pid + " testValue_1_1"; |
| } |
| |
| private void assertSamePids(String[] pids) { |
| assertEquals("pid 1 didn't match pid 2", pids[0], pids[1]); |
| assertEquals("pid 1 didn't match pid 3", pids[0], pids[2]); |
| } |
| |
| private void assertDifferentPids(String[] pids) { |
| if (pids[0].equals(pids[1])) { |
| fail("pid 1 matched pid 2: " + pids[0]); |
| } |
| |
| if (pids[0].equals(pids[2])) { |
| fail("pid 1 matched pid 3: " + pids[0]); |
| } |
| |
| if (pids[1].equals(pids[2])) { |
| fail("pid 2 matched pid 3: " + pids[0]); |
| } |
| } |
| |
| private String[] doTest(SurefireLauncher forkLauncher) { |
| forkLauncher.sysProp("testProperty", "testValue_${surefire.threadNumber}_${surefire.forkNumber}"); |
| forkLauncher.addGoal("org.apache.maven.plugins.surefire:maven-dump-pid-plugin:dump-pid"); |
| outputValidator = forkLauncher.executeTest(); |
| outputValidator.verifyErrorFreeLog().assertTestSuiteResults(3, 0, 0, 0); |
| String[] pids = new String[3]; |
| for (int i = 1; i <= pids.length; i++) { |
| final TestFile targetFile = outputValidator.getTargetFile("test" + i + "-pid"); |
| String pid = targetFile.slurpFile(); |
| pids[i - 1] = pid; |
| } |
| return pids; |
| } |
| |
| protected String getProject() { |
| return "fork-count"; |
| } |
| } |