public void testExecuteUndo() throws Exception {
    Properties profileProperties = new Properties();
    File installFolder = getTempFolder();
    profileProperties.setProperty(IProfile.PROP_INSTALL_FOLDER, installFolder.toString());
    profileProperties.setProperty(IProfile.PROP_CACHE, installFolder.toString());
    IProfile profile = createProfile("test", profileProperties);

    IFileArtifactRepository bundlePool = Util.getBundlePoolRepository(getAgent(), profile);
    File osgiSource =
        getTestData(
            "1.0",
            "/testData/eclipseTouchpoint/bundles/org.eclipse.osgi.source_3.4.2.R34x_v20080826-1230.jar");
    File targetPlugins = new File(installFolder, "plugins");
    assertTrue(targetPlugins.mkdir());
    File osgiTarget =
        new File(targetPlugins, "org.eclipse.osgi.source_3.4.2.R34x_v20080826-1230.jar");
    copy("2.0", osgiSource, osgiTarget);

    BundleDescription bundleDescription = BundlesAction.createBundleDescription(osgiTarget);
    IArtifactKey key =
        BundlesAction.createBundleArtifactKey(
            bundleDescription.getSymbolicName(), bundleDescription.getVersion().toString());
    IArtifactDescriptor descriptor = PublisherHelper.createArtifactDescriptor(key, osgiTarget);
    IInstallableUnit iu = createBundleIU(bundleDescription, osgiTarget.isDirectory(), key);
    bundlePool.addDescriptor(descriptor);

    Map parameters = new HashMap();
    parameters.put(ActionConstants.PARM_AGENT, getAgent());
    parameters.put(ActionConstants.PARM_PROFILE, profile);
    EclipseTouchpoint touchpoint = new EclipseTouchpoint();
    touchpoint.initializePhase(null, profile, "test", parameters);
    InstallableUnitOperand operand = new InstallableUnitOperand(null, iu);
    parameters.put("iu", operand.second());
    touchpoint.initializeOperand(profile, parameters);

    parameters.put(ActionConstants.PARM_BUNDLE, key.toString());
    parameters = Collections.unmodifiableMap(parameters);

    SourceManipulator manipulator =
        (SourceManipulator) parameters.get(EclipseTouchpoint.PARM_SOURCE_BUNDLES);
    assertNotNull(manipulator);

    assertFalse(inBundles(manipulator, osgiTarget));
    AddSourceBundleAction action = new AddSourceBundleAction();
    action.execute(parameters);
    assertTrue(inBundles(manipulator, osgiTarget));
    action.undo(parameters);
    assertFalse(inBundles(manipulator, osgiTarget));
  }
 /**
  * Returns an IU corresponding to the given artifact key and bundle, or <code>null</code> if an IU
  * could not be created.
  */
 public static IInstallableUnit createBundleIU(IArtifactKey artifactKey, File bundleFile) {
   BundleDescription bundleDescription = BundlesAction.createBundleDescription(bundleFile);
   if (bundleDescription == null) return null;
   PublisherInfo info = new PublisherInfo();
   Version version = Version.create(bundleDescription.getVersion().toString());
   AdviceFileAdvice advice =
       new AdviceFileAdvice(
           bundleDescription.getSymbolicName(),
           version,
           new Path(bundleFile.getAbsolutePath()),
           AdviceFileAdvice.BUNDLE_ADVICE_FILE);
   if (advice.containsAdvice()) info.addAdvice(advice);
   String shape = bundleFile.isDirectory() ? IBundleShapeAdvice.DIR : IBundleShapeAdvice.JAR;
   info.addAdvice(new BundleShapeAdvice(bundleDescription.getSymbolicName(), version, shape));
   return BundlesAction.createBundleIU(bundleDescription, artifactKey, info);
 }