001    package org.apache.maven.plugin.internal;
002    /*
003     * Licensed to the Apache Software Foundation (ASF) under one
004     * or more contributor license agreements.  See the NOTICE file
005     * distributed with this work for additional information
006     * regarding copyright ownership.  The ASF licenses this file
007     * to you under the Apache License, Version 2.0 (the
008     * "License"); you may not use this file except in compliance
009     * with the License.  You may obtain a copy of the License at
010     *
011     *  http://www.apache.org/licenses/LICENSE-2.0
012     *
013     * Unless required by applicable law or agreed to in writing,
014     * software distributed under the License is distributed on an
015     * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
016     * KIND, either express or implied.  See the License for the
017     * specific language governing permissions and limitations
018     * under the License.
019     */
020    
021    import junit.framework.TestCase;
022    import org.apache.maven.execution.DefaultMavenExecutionRequest;
023    import org.apache.maven.execution.MavenExecutionRequest;
024    import org.apache.maven.execution.MavenSession;
025    
026    import java.util.concurrent.CountDownLatch;
027    
028    /**
029     * @author Kristian Rosenvold
030     */
031    public class DefaultLegacySupportTest extends TestCase {
032        final CountDownLatch latch = new CountDownLatch(1);
033        final DefaultLegacySupport defaultLegacySupport = new DefaultLegacySupport();
034    
035        public void testSetSession() throws Exception {
036    
037            MavenExecutionRequest mavenExecutionRequest = new DefaultMavenExecutionRequest();
038            MavenSession m1 = new MavenSession(null, null, mavenExecutionRequest, null);
039            defaultLegacySupport.setSession(m1);
040    
041            MyRunnable myRunnable = new MyRunnable();
042            Thread thread = new Thread(myRunnable);
043            thread.start();
044    
045            MavenSession m2 = new MavenSession(null, null, mavenExecutionRequest, null);
046            defaultLegacySupport.setSession(m2);
047            latch.countDown();
048            thread.join();
049            assertNull( myRunnable.getSession());
050        }
051    
052    
053        class MyRunnable implements Runnable {
054    
055            private volatile MavenSession session;
056    
057            public void run() {
058                try
059                {
060                    latch.await();
061                }
062                catch (InterruptedException ingore)
063                {
064                    // Test may fail if we get interrupted
065                }
066                session = defaultLegacySupport.getSession();
067            }
068    
069            public MavenSession getSession() {
070                return session;
071            }
072        }
073    
074    }