/*
    * 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.commons.exec.issues;
  
  import static org.junit.jupiter.api.Assertions.assertFalse;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  
  import java.io.File;
  
  import org.apache.commons.exec.CommandLine;
  import org.apache.commons.exec.DefaultExecuteResultHandler;
  import org.apache.commons.exec.DefaultExecutor;
  import org.apache.commons.exec.ExecuteWatchdog;
  import org.apache.commons.exec.Executor;
  import org.apache.commons.exec.TestUtil;
  import org.junit.jupiter.api.Test;
  
  /**
   * Test EXEC-44 (https://issues.apache.org/jira/browse/EXEC-44).
   */
  public class Exec44Test {
  
      private final Executor exec = DefaultExecutor.builder().get();
      private final File testDir = new File("src/test/scripts");
      private final File foreverTestScript = TestUtil.resolveScriptForOS(testDir + "/forever");
  
      /**
       *
       * Because the ExecuteWatchdog is the only way to destroy asynchronous processes, it should be possible to set it to an infinite timeout, for processes
       * which should not timeout, but manually destroyed under some circumstances.
       *
       * @throws Exception the test failed
       */
      @Test
      public void testExec44() throws Exception {
  
          final CommandLine cl = new CommandLine(foreverTestScript);
          final DefaultExecuteResultHandler resultHandler = new DefaultExecuteResultHandler();
          final ExecuteWatchdog watchdog = new ExecuteWatchdog(ExecuteWatchdog.INFINITE_TIMEOUT);
  
          exec.setWatchdog(watchdog);
          exec.execute(cl, resultHandler);
  
          // wait for script to run
          Thread.sleep(5000);
          assertTrue(watchdog.isWatching(), "The watchdog is watching the process");
  
          // terminate it
          watchdog.destroyProcess();
          assertTrue(watchdog.killedProcess(), "The watchdog has killed the process");
          assertFalse(watchdog.isWatching(), "The watchdog is no longer watching any process");
      }
  }