reloadingtestcase.java

webwork source

package webwork.action.factory;

import java.io.*;
import java.net.URL;

import webwork.TestCaseSupport;
import webwork.action.Action;

/**
 * User: hani
 * Date: Nov 7, 2003
 * Time: 10:14:48 AM
 */
public class ReloadingTestCase extends TestCaseSupport
{
  private static final String ORIG = "/reload.orig.xml";
  private static final String NEW = "/reload.new.xml";
  private File actions;

  public void setUp() throws IOException
  {
    URL url = getClass().getResource(ORIG);
    assertNotNull("Cannot find " + ORIG + " in classpath", url);
    File orig = new File(url.getFile());
    assertTrue("Cannot find file " + url.getFile() + " for " + ORIG, orig.exists());
    actions = new File(orig.getParentFile(), "actions.xml");
    pipe(new FileInputStream(orig), new FileOutputStream(actions));
    //we set the actions file to be modified in the past to ensure the modification will be picked up.
    actions.setLastModified(System.currentTimeMillis() - 2000);
  }

  protected void tearDown() throws Exception
  {
    actions.delete();
  }

  public void testXMLReload() throws Exception
  {
    assertNotNull("Could not find test action", ActionFactory.getAction("test"));
    try
    {
      Action a = ActionFactory.getAction("foo");
      fail("foo action should not be available");
    }
    catch(Exception ex)
    {
      //good.
    }
    URL url = getClass().getResource(NEW);
    assertNotNull("Cannot find " + NEW + " in classpath", url);
    File newFile = new File(url.getFile());
    assertTrue("Cannot find file " + url.getFile() + " for " + NEW, newFile.exists());
    pipe(new FileInputStream(newFile), new FileOutputStream(actions));
    actions.setLastModified(System.currentTimeMillis()+2000);
    try
    {
      Action a = ActionFactory.getAction("foo");
    }
    catch(IllegalArgumentException ex)
    {
      fail("Cannot find new action foo, reload failed");
    }
    try
    {
      Action a = ActionFactory.getAction("test");
      fail("Old test action should have been removed but wasn't");
    }
    catch(Exception ex)
    {
      //good
    }
  }

}