/*
    * 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 javax.faces.component;
  
  import javax.el.ELContext;
  import javax.el.ValueExpression;
  import javax.faces.el.ValueBinding;
  
  import org.apache.commons.beanutils.PropertyUtils;
  import org.apache.shale.test.mock.MockFacesContext12;
  import static org.easymock.EasyMock.*;
  import org.easymock.classextension.EasyMock;
  import org.easymock.classextension.IMocksControl;
  import static org.testng.Assert.*;
  import org.testng.annotations.AfterMethod;
  import org.testng.annotations.BeforeMethod;
  import org.testng.annotations.BeforeTest;
  import org.testng.annotations.Test;
  
  /**
   * @author Mathias Broekelmann (latest modification by $Author: skitching $)
   * @version $Revision: 676298 $ $Date: 2008-07-13 05:31:48 -0500 (Sun, 13 Jul 2008) $
   */
  public abstract class AbstractUIComponentPropertyTest<T extends Object>
  {
      private final String _property;
      private final T _defaultValue;
      private final T[] _testValues;
  
      private IMocksControl _mocksControl;
      private MockFacesContext12 _facesContext;
      private ValueBinding _valueBinding;
      private ValueExpression _valueExpression;
      private ELContext _elContext;
      private UIComponent _component;
  
      public AbstractUIComponentPropertyTest(String property, T defaultValue, T... testValues)
      {
          _property = property;
          _defaultValue = defaultValue;
          _testValues = testValues;
      }
  
      @BeforeMethod
      protected void setUp() throws Exception
      {
          _mocksControl = EasyMock.createControl();
          _facesContext = new MockFacesContext12();
          _elContext = _mocksControl.createMock(ELContext.class);
          _facesContext.setELContext(_elContext);
          _valueBinding = _mocksControl.createMock(ValueBinding.class);
          _valueExpression = _mocksControl.createMock(ValueExpression.class);
          _component = createComponent();
      }
      
      protected IMocksControl getMocksControl()
      {
          return _mocksControl;
      }
  
      protected abstract UIComponent createComponent();
  
      @Test
      public void testDefaultValue() throws Exception
      {
          assertEquals(_defaultValue, PropertyUtils.getProperty(_component, _property));
      }
  
      @Test
      public void testExplicitValue() throws Exception
      {
          for (T testValue : _testValues)
          {
              PropertyUtils.setProperty(_component, _property, testValue);
              assertEquals(testValue, PropertyUtils.getProperty(_component, _property));
          }
      }
  
      @Test
      public void testExpressionWithLiteralTextValue() throws Exception
      {
          for (T testValue : _testValues)
          {
             expect(_valueExpression.isLiteralText()).andReturn(true);
             expect(_valueExpression.getValue(eq(_facesContext.getELContext()))).andReturn(testValue);
             _mocksControl.replay();
             _component.setValueExpression(_property, _valueExpression);
             assertEquals(testValue, PropertyUtils.getProperty(_component, _property));
             _mocksControl.reset();
         }
     }
 
     @Test
     public void testExpressionValue() throws Exception
     {
         for (T testValue : _testValues)
         {
             expect(_valueExpression.isLiteralText()).andReturn(false);
             _mocksControl.replay();
             _component.setValueExpression(_property, _valueExpression);
             _mocksControl.reset();
             expect(_valueExpression.getValue(eq(_facesContext.getELContext()))).andReturn(testValue);
             _mocksControl.replay();
             assertEquals(testValue, PropertyUtils.getProperty(_component, _property));
             _mocksControl.reset();
         }
     }
 }