| package org.apache.maven.surefire.its; |
| |
| /* |
| * 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. |
| */ |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertFalse; |
| import static org.junit.Assert.fail; |
| |
| 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; |
| |
| /** |
| * Test forkMode |
| * |
| * @author <a href="mailto:dfabulich@apache.org">Dan Fabulich</a> |
| */ |
| public class ForkModeIT |
| extends SurefireJUnit4IntegrationTestCase |
| { |
| |
| private OutputValidator outputValidator; |
| |
| @BeforeClass |
| public static void installDumpPidPlugin() |
| throws Exception |
| { |
| unpack( ForkModeIT.class, "test-helper-dump-pid-plugin", "plugin" ).executeInstall(); |
| } |
| |
| @Test |
| public void testForkModeAlways() |
| { |
| String[] pids = doTest( unpack( getProject() ).setForkJvm().forkAlways() ); |
| assertDifferentPids( pids ); |
| assertEndWith( pids, "_1_1", 3 ); |
| assertFalse( "pid 1 is not the same as the main process' pid", pids[0].equals( getMainPID() ) ); |
| } |
| |
| @Test |
| public void testForkModePerTest() |
| { |
| String[] pids = doTest( unpack( getProject() ).setForkJvm().forkPerTest() ); |
| assertDifferentPids( pids ); |
| assertEndWith( pids, "_1_1", 3 ); |
| assertFalse( "pid 1 is not the same as the main process' pid", pids[0].equals( getMainPID() ) ); |
| } |
| |
| @Test |
| public void testForkModeNever() |
| { |
| 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 testForkModeNone() |
| { |
| String[] pids = doTest( unpack( getProject() ).forkMode( "none" ) ); |
| assertSamePids( pids ); |
| assertEndWith( pids, "_1_1", 3 ); |
| assertEquals( "my pid is equal to pid 1 of the test", getMainPID(), pids[0] ); |
| } |
| |
| @Test |
| public void testForkModeOncePerThreadSingleThread() |
| { |
| String[] pids = doTest( unpack( getProject() ) |
| .setForkJvm() |
| .forkPerThread() |
| .reuseForks( true ) |
| .threadCount( 1 ) ); |
| assertSamePids( pids ); |
| assertEndWith( pids, "_1_1", 3 ); |
| assertFalse( "pid 1 is not the same as the main process' pid", pids[0].equals( getMainPID() ) ); |
| } |
| |
| @Test |
| public void testForkModeOncePerThreadTwoThreads() |
| { |
| String[] pids = doTest( unpack( getProject() ) |
| .forkPerThread() |
| .reuseForks( true ) |
| .threadCount( 2 ) |
| .addGoal( "-DsleepLength=7200" ) ); |
| assertDifferentPids( pids, 2 ); |
| assertFalse( "pid 1 is not the same as the main process' pid", pids[0].equals( getMainPID() ) ); |
| } |
| |
| @Test |
| public void testForkCountZero() |
| { |
| String[] pids = doTest( unpack( getProject() ).forkCount( 0 ) ); |
| assertSamePids( pids ); |
| assertEndWith( pids, "_1_1", 3 ); |
| assertEquals( "my pid is equal to pid 1 of the test", getMainPID(), pids[0] ); |
| } |
| |
| @Test |
| public void testForkCountOneNoReuse() |
| { |
| String[] pids = doTest( unpack( getProject() ).setForkJvm().forkCount( 1 ).reuseForks( false ) ); |
| assertDifferentPids( pids ); |
| assertEndWith( pids, "_1_1", 3 ); |
| assertFalse( "pid 1 is not the same as the main process' pid", pids[0].equals( getMainPID() ) ); |
| } |
| |
| @Test |
| public void testForkCountOneReuse() |
| { |
| String[] pids = doTest( unpack( getProject() ).setForkJvm().forkCount( 1 ).reuseForks( true ) ); |
| assertSamePids( pids ); |
| assertEndWith( pids, "_1_1", 3 ); |
| assertFalse( "pid 1 is not the same as the main process' pid", pids[0].equals( getMainPID() ) ); |
| } |
| |
| @Test |
| public void testForkCountTwoNoReuse() |
| { |
| String[] pids = doTest( unpack( getProject() ).setForkJvm().forkCount( 2 ).reuseForks( false ) |
| .addGoal( "-DsleepLength=7200" ) ); |
| assertDifferentPids( pids ); |
| assertFalse( "pid 1 is not the same as the main process' pid", pids[0].equals( getMainPID() ) ); |
| } |
| |
| @Test |
| public void testForkCountTwoReuse() |
| { |
| String[] pids = |
| doTest( unpack( getProject() ).forkCount( 2 ).reuseForks( true ).addGoal( "-DsleepLength=7200" ) ); |
| assertDifferentPids( pids, 2 ); |
| assertFalse( "pid 1 is not the same as the main process' pid", pids[0].equals( 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 testForkModeOnce() |
| { |
| String[] pids = doTest( unpack( getProject() ).forkOnce() ); |
| assertSamePids( pids ); |
| assertFalse( "pid 1 is not the same as the main process' pid", pids[0].equals( 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 forkMode ) |
| { |
| forkMode.sysProp( "testProperty", "testValue_${surefire.threadNumber}_${surefire.forkNumber}" ); |
| forkMode.addGoal( "org.apache.maven.plugins.surefire:maven-dump-pid-plugin:dump-pid" ); |
| outputValidator = forkMode.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-mode"; |
| } |
| |
| } |