RemoveTest.java :  » J2EE » wicket-1.4 » org » apache » wicket » Java Open Source

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/*
 * 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.wicket;

import junit.framework.TestCase;

import org.apache.wicket.util.tester.WicketTester;

/**
 * Test the {@link Component#onRemove()}. Test if it gets called and propagated to the
 * Components children.
 */
public class RemoveTest extends TestCase
{

  static final String PATH = RemoveTestPage.COMPONENT + Component.PATH_SEPARATOR +
    RemoveTestPage.LINK;

  WicketTester tester;

  @Override
  protected void setUp() throws Exception
  {
    tester = new WicketTester();
  }

  @Override
  protected void tearDown() throws Exception
  {
    tester.destroy();
  }

  /**
   * The test
   */
  public void testOnRemovalFromHierarchy()
  {
    Session session = tester.setupRequestAndResponse().getSession();
    final RemoveTestPage page = new RemoveTestPage();
    tester.startPage(page);
    // on initial load of the page no calls should have occurred.
    assertEquals("OnRemovalFromHierarchy was called.", 0,
      page.getComponentOnRemovalFromHierarchyCalls());
    assertEquals("OnRemovalFromHierarchy was called.", 0,
      page.getLinkOnRemovalFromHierarchyCalls());

    tester.clickLink(PATH);
    // first click provoked a remove, so one call.
    assertEquals("OnRemovalFromHierarchy wasn't called.", 1,
      page.getComponentOnRemovalFromHierarchyCalls());
    // test if it got propagated to the children.
    assertEquals("OnRemovalFromHierarchy wasn't called.", 1,
      page.getLinkOnRemovalFromHierarchyCalls());

    try
    {
      tester.clickLink(PATH);
      fail("Missing Exception");
    }
    catch (WicketRuntimeException wre)
    {
      // do nothing.
      // This exception was expected.
    }
  }
}
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