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From a..@apache.org
Subject cvs commit: incubator-geronimo/modules/kernel/src/test/org/apache/geronimo/kernel/deployment DeploymentPlanTest.java
Date Sun, 07 Dec 2003 03:32:42 GMT
adc         2003/12/06 19:32:42

  Added:       modules/kernel/src/test/org/apache/geronimo/kernel/deployment
                        DeploymentPlanTest.java
  Log:
  Unit tests from Gareth Bryan.
  
  Revision  Changes    Path
  1.1                  incubator-geronimo/modules/kernel/src/test/org/apache/geronimo/kernel/deployment/DeploymentPlanTest.java
  
  Index: DeploymentPlanTest.java
  ===================================================================
  /* ====================================================================
   * The Apache Software License, Version 1.1
   *
   * Copyright (c) 2003 The Apache Software Foundation.  All rights
   * reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   *
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   *
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in
   *    the documentation and/or other materials provided with the
   *    distribution.
   *
   * 3. The end-user documentation included with the redistribution,
   *    if any, must include the following acknowledgment:
   *       "This product includes software developed by the
   *        Apache Software Foundation (http:www.apache.org/)."
   *    Alternately, this acknowledgment may appear in the software itself,
   *    if and wherever such third-party acknowledgments normally appear.
   *
   * 4. The names "Apache" and "Apache Software Foundation" and
   *    "Apache Geronimo" must not be used to endorse or promote products
   *    derived from this software without prior written permission. For
   *    written permission, please contact apache@apache.org.
   *
   * 5. Products derived from this software may not be called "Apache",
   *    "Apache Geronimo", nor may "Apache" appear in their name, without
   *    prior written permission of the Apache Software Foundation.
   *
   * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
   * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
   * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
   * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
   * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
   * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
   * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
   * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   * SUCH DAMAGE.
   * ====================================================================
   *
   * This software consists of voluntary contributions made by many
   * individuals on behalf of the Apache Software Foundation.  For more
   * information on the Apache Software Foundation, please see
   * <http:www.apache.org/>.
   *
   * ====================================================================
   */
  package org.apache.geronimo.kernel.deployment;
  
  import junit.framework.TestCase;
  import org.apache.geronimo.kernel.deployment.task.DeploymentTask;
  
  
  /**
   * Performs unit tests on {@link DeploymentPlanner} by using various dummy
   * {@link org.apache.geronimo.kernel.deployment.task.DeploymentTask}s
   * @version $Revision: 1.1 $ $Date: 2003/12/07 03:32:42 $
   */
  public class DeploymentPlanTest extends TestCase {
  
      private DeploymentPlan plan = null;
      private DummyTask goodTask1 = null;
      private DummyTask badTask1 = null;
      private DummyTask evilTask1 = null;
  
      /**
       * Tests the addition of a task to a {@link DeploymentPlan} by querying
       * the execution status of a
       * {@link org.apache.geronimo.kernel.deployment.task.DeploymentTask} after
       * plan execution.
       */
      public void testAddTask() {
          // Add a dummy task, testing its addition by its performed status after
          // calling plan.execute()
          plan.addTask(goodTask1);
          try {
              plan.execute();
              assertTrue("Added task not executed", goodTask1.isPerformed());
          } catch (DeploymentException de) {
              fail("Added task produced deployment exception " +
                   de.getMessage());
          }
      }
  
      /**
       * Tests the plan query capability by adding various simple
       * {@link org.apache.geronimo.kernel.deployment.task.DeploymentTask}s which
       * can always be run, be run at some point in the future or never run.
       */
      public void testCanRun() {
          // Add a dummy task which always returns true for canRun().
          plan.addTask(goodTask1);
          try {
              assertTrue("Expected runnable plan", plan.canRun());
          } catch (DeploymentException de) {
              fail("Unexpected DeploymentException " + de.getMessage());
          }
  
          // Add a dummy task which always returns false for canRun().
          plan.addTask(badTask1);
          try {
              assertFalse("Expected non-runnable plan", plan.canRun());
          } catch (DeploymentException de) {
              fail("Unexpected DeplymentException " + de.getMessage());
          }
  
          // Add a dummy task which always throws for canRun().
          plan.addTask(evilTask1);
          try {
              plan.canRun();
              // Shouldn't get this far!
              fail("Expected DeploymentException");
          } catch (DeploymentException de) {
              // Expected!
          }
      }
  
      /**
       * Tests the execution of a set of {@link
       * org.apache.geronimo.kernel.deployment.task.DeploymentTask}s.
       */
      public void testExecute() {
          // Add a couple of harmless tasks and query their performed status.
          plan.addTask(goodTask1);
          plan.addTask(badTask1);
          try {
              plan.execute();
              assertTrue("Task not performed", goodTask1.isPerformed());
              assertTrue("Task not performed", badTask1.isPerformed());
          } catch (DeploymentException de) {
              fail("Unexpected DeploymentException " + de.getMessage());
          }
  
          // Add a harmful task and query the undone status of previous tasks.
          goodTask1.reset();
          badTask1.reset();
          plan.addTask(evilTask1);
          try {
              plan.execute();
              // Shouldn't get this far!
              fail("Expected DeploymentException");
          } catch (DeploymentException de) {
              // Expected!
              assertTrue("Task not undone", goodTask1.isUndone());
              assertTrue("Task not undone", badTask1.isUndone());
          }
      }
  
      /**
       * Sets up this test case by constructing a {@link DeploymentPlan} and
       * various {@link
       * org.apache.geronimo.kernel.deployment.task.DeploymentTask}s for use in
       * all tests.
       */
      protected void setUp() {
          plan = new DeploymentPlan();
          goodTask1 = new DummyGoodTask();
          badTask1 = new DummyBadTask();
          evilTask1 = new DummyEvilTask();
      }
  
      /**
       * Dereferences the common objects created by {@link #setUp()}.
       */
      protected void tearDown() {
          plan = null;
          goodTask1 = null;
          badTask1 = null;
          evilTask1 = null;
      }
  
      /**
       * Common superclass of the dummy {@link
       * org.apache.geronimo.kernel.deployment.task.DeploymentTask}s. Instances
       * can be queried for their performed and undone status by using the
       * {@link #isPerformed()} and {@link #isUndone()} methods.
       */
      private abstract class DummyTask implements DeploymentTask {
  
          private boolean isPerformed = false;
          private boolean isUndone = false;
  
          /**
           * Updates the performed status to <code>true</code> without throwing
           * a {@link DeploymentException}
           */
          public void perform() throws DeploymentException {
              isPerformed = true;
          }
  
          /**
           * Updates the undone status to <code>true</code>
           */
          public void undo() {
              isUndone = true;
          }
  
          /**
           * Queries the performed status.
           */
          protected boolean isPerformed() {
              return isPerformed;
          }
  
          /**
           * Queries the undone status.
           */
          protected boolean isUndone() {
              return isUndone;
          }
  
          /**
           * Resets the performed and undone status.
           */
          protected void reset() {
              isPerformed = false;
              isUndone = false;
          }
      }
  
      /**
       * Trivial {@link org.apache.geronimo.kernel.deployment.task.DeploymentTask}
       * whose {@link #canRun()} method always returns <code>true</code>.
       */
      private class DummyGoodTask extends DummyTask {
  
          /**
           * For testing purposes, always returns <code>true</code>.
           *
           * @return <code>true</code>, always.
           */
          public boolean canRun() throws DeploymentException {
              return true;
          }
      }
  
      /**
       * Trivial {@link org.apache.geronimo.kernel.deployment.task.DeploymentTask}
       * whose {@link #canRun()} method always returns <code>false</code>.
       */
      private class DummyBadTask extends DummyTask {
  
          /**
           * For testing purposes, always returns <code>false</code>.
           *
           * @return <code>false</code>, always.
           */
          public boolean canRun() throws DeploymentException {
              return false;
          }
      }
  
      /**
       * Trivial {@link org.apache.geronimo.kernel.deployment.task.DeploymentTask}
       * whose {@link #canRun()} and {@link #perform()} methods always throws a
       * {@link DeploymentException}.
       */
      private class DummyEvilTask extends DummyTask {
  
          /**
           * For testing purposes, always throws a {@link DeploymentException}
           *
           * @exception DeploymentException always.
           */
          public boolean canRun() throws DeploymentException {
              throw new DeploymentException("Expected");
          }
  
          /**
           * For testing purposes, always throws a {@link DeploymentException}
           *
           * @exception DeploymentException always.
           */
          public void perform() throws DeploymentException {
              throw new DeploymentException("Expected");
          }
      }
  }
  
  
  

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