/**
   * Removes the group created in the server stored contact list by the create group test, makes
   * sure that the corresponding event has been generated and verifies that the group is not in the
   * list any more.
   */
  public void postTestRemoveGroup() {
    logger.trace("testing removal of server stored groups");

    // first add a listener
    GroupChangeCollector groupChangeCollector = new GroupChangeCollector();
    opSetPersPresence1.addServerStoredGroupChangeListener(groupChangeCollector);

    try {
      // remove the group
      opSetPersPresence1.removeServerStoredContactGroup(
          opSetPersPresence1.getServerStoredContactListRoot().getGroup(testGroupName2));
    } catch (OperationFailedException ex) {
      logger.error("error removing group", ex);
    }

    groupChangeCollector.waitForEvent(10000);

    opSetPersPresence1.removeServerStoredGroupChangeListener(groupChangeCollector);

    // check whether we got group created event
    assertEquals("Collected Group Change event", 1, groupChangeCollector.collectedEvents.size());

    assertEquals(
        "Group name.",
        testGroupName2,
        ((ServerStoredGroupEvent) groupChangeCollector.collectedEvents.get(0))
            .getSourceGroup()
            .getGroupName());

    // check whether the group is still on the contact list
    ContactGroup group =
        opSetPersPresence1.getServerStoredContactListRoot().getGroup(testGroupName2);

    assertNull("A freshly removed group was still on the contact list.", group);
  }
  /**
   * Creates a group in the server stored contact list, makes sure that the corresponding event has
   * been generated and verifies that the group is in the list.
   *
   * @throws java.lang.Exception
   */
  public void postTestCreateGroup() throws Exception {
    // first clear the list
    fixture.clearProvidersLists();

    Object o = new Object();
    synchronized (o) {
      o.wait(3000);
    }

    logger.trace("testing creation of server stored groups");
    // first add a listener
    GroupChangeCollector groupChangeCollector = new GroupChangeCollector();
    opSetPersPresence1.addServerStoredGroupChangeListener(groupChangeCollector);

    // create the group
    opSetPersPresence1.createServerStoredContactGroup(
        opSetPersPresence1.getServerStoredContactListRoot(), testGroupName);

    groupChangeCollector.waitForEvent(10000);

    opSetPersPresence1.removeServerStoredGroupChangeListener(groupChangeCollector);

    // check whether we got group created event
    assertEquals("Collected Group Change events: ", 1, groupChangeCollector.collectedEvents.size());

    assertEquals(
        "Group name.",
        testGroupName,
        ((ServerStoredGroupEvent) groupChangeCollector.collectedEvents.get(0))
            .getSourceGroup()
            .getGroupName());

    // check whether the group is retrievable
    ContactGroup group =
        opSetPersPresence1.getServerStoredContactListRoot().getGroup(testGroupName);

    assertNotNull("A newly created group was not in the contact list.", group);

    assertEquals("New group name", testGroupName, group.getGroupName());

    // when opearting with groups . the group must have entries
    // so changes to take effect. Otherwise group will be lost after loggingout
    try {
      opSetPersPresence1.subscribe(group, fixture.userID2);

      synchronized (o) {
        o.wait(1500);
      }
    } catch (Exception ex) {
      fail("error adding entry to group : " + group.getGroupName() + " " + ex.getMessage());
    }
  }
  /**
   * Renames our test group and checks whether corresponding events are triggered. Verifies whether
   * the group has really changed its name and whether it is findable by its new name. Also makes
   * sure that it does not exist under its previous name any more.
   */
  public void postTestRenameGroup() {
    logger.trace("Testing renaming groups.");

    ContactGroup group =
        opSetPersPresence1.getServerStoredContactListRoot().getGroup(testGroupName);

    // first add a listener
    GroupChangeCollector groupChangeCollector = new GroupChangeCollector();
    opSetPersPresence1.addServerStoredGroupChangeListener(groupChangeCollector);

    // change the name and wait for a confirmation event
    opSetPersPresence1.renameServerStoredContactGroup(group, testGroupName2);

    groupChangeCollector.waitForEvent(10000);

    opSetPersPresence1.removeServerStoredGroupChangeListener(groupChangeCollector);

    // examine the event
    assertEquals("Collected Group Change event", 1, groupChangeCollector.collectedEvents.size());

    assertEquals(
        "Group name.",
        testGroupName2,
        ((ServerStoredGroupEvent) groupChangeCollector.collectedEvents.get(0))
            .getSourceGroup()
            .getGroupName());

    // check whether the group is still on the contact list
    ContactGroup oldGroup =
        opSetPersPresence1.getServerStoredContactListRoot().getGroup(testGroupName);

    assertNull("A group was still findable by its old name after renaming.", oldGroup);

    // make sure that we could find the group by its new name.
    ContactGroup newGroup =
        opSetPersPresence1.getServerStoredContactListRoot().getGroup(testGroupName2);

    assertNotNull("Could not find a renamed group by its new name.", newGroup);
  }