package org.apache.maven.plugin.surefire.extensions;
   
   /*
    * 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 org.apache.maven.surefire.extensions.EventHandler;
  import org.apache.maven.surefire.extensions.util.CommandlineExecutor;
  import org.apache.maven.surefire.extensions.util.CommandlineStreams;
  import org.apache.maven.surefire.extensions.util.CountdownCloseable;
  import org.apache.maven.surefire.extensions.util.LineConsumerThread;
  import org.apache.maven.surefire.shared.utils.cli.Commandline;
  import org.junit.After;
  import org.junit.Before;
  import org.junit.Test;
  
  import java.io.Closeable;
  import java.nio.file.Paths;
  
  import static org.apache.maven.surefire.shared.lang3.SystemUtils.IS_OS_WINDOWS;
  import static org.fest.assertions.Assertions.assertThat;
  import static org.fest.util.Files.delete;
  import static org.mockito.ArgumentMatchers.contains;
  import static org.mockito.Mockito.mock;
  import static org.mockito.Mockito.verify;
  
  /**
   *
   */
  public class CommandlineExecutorTest
  {
      private CommandlineExecutor exec;
      private CommandlineStreams streams;
      private String baseDir;
      private LineConsumerThread out;
  
      @Before
      public void setUp() throws Exception
      {
          baseDir = System.getProperty( "user.dir" );
  
          delete( Paths.get( baseDir, "target", "CommandlineExecutorTest" ).toFile() );
  
          boolean createdDir = Paths.get( baseDir, "target", "CommandlineExecutorTest" )
              .toFile()
              .mkdirs();
  
          assertThat( createdDir )
              .isTrue();
  
          boolean createdFile = Paths.get( baseDir, "target", "CommandlineExecutorTest", "a.txt" )
              .toFile()
              .createNewFile();
  
          assertThat( createdFile )
              .isTrue();
      }
  
      @After
      public void tearDown() throws Exception
      {
          if ( out != null )
          {
              out.close();
          }
          exec.close();
          streams.close();
          delete( Paths.get( baseDir, "target", "CommandlineExecutorTest" ).toFile() );
      }
  
      @Test
      public void shouldExecuteNativeCommand() throws Exception
      {
          Closeable closer = mock( Closeable.class );
          Commandline cli = new Commandline( IS_OS_WINDOWS ? "dir" : "ls -la" );
          cli.setWorkingDirectory( Paths.get( baseDir, "target", "CommandlineExecutorTest" ).toFile() );
          CountdownCloseable countdownCloseable = new CountdownCloseable( closer, 1 );
          exec = new CommandlineExecutor( cli, countdownCloseable );
          streams = exec.execute();
          @SuppressWarnings( "unchecked" )
          EventHandler<String> consumer = mock( EventHandler.class );
  
          out = new LineConsumerThread( "std-out-fork-1", streams.getStdOutChannel(), consumer, countdownCloseable );
          out.start();
         exec.awaitExit();
         verify( consumer )
             .handleEvent( contains( "a.txt" ) );
     }
 }