/*
    * 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 static org.easymock.EasyMock.expect;
  import static org.easymock.EasyMock.expectLastCall;
  import static org.easymock.EasyMock.isNull;
  import static org.easymock.EasyMock.same;
  import static org.easymock.classextension.EasyMock.createControl;
  import static org.testng.Assert.assertEquals;
  import static org.testng.Assert.assertTrue;
  
  import java.lang.reflect.Method;
  import java.util.ArrayList;
  import java.util.Arrays;
  import java.util.Collection;
  import java.util.Collections;
  import java.util.List;
  
  import javax.faces.context.FacesContext;
  import javax.faces.event.FacesEvent;
  import javax.faces.event.FacesListener;
  import javax.faces.render.Renderer;
  
  import org.easymock.classextension.IMocksControl;
  import org.testng.annotations.BeforeMethod;
  import org.testng.annotations.Factory;
  import org.testng.annotations.Test;
  
  @SuppressWarnings("deprecation")
  public class UIComponentBaseTest
  {
      private UIComponentBase _testImpl;
  
      private IMocksControl _mocksControl;
      private FacesContext _facesContext;
      private Renderer _renderer;
  
      @BeforeMethod(alwaysRun = true)
      protected void setUp() throws Exception
      {
          _mocksControl = createControl();
          _facesContext = _mocksControl.createMock(FacesContext.class);
          _testImpl = _mocksControl.createMock(UIComponentBase.class, getMockedMethodsArray());
          _renderer = _mocksControl.createMock(Renderer.class);
      }
  
      protected final Method[] getMockedMethodsArray()
      {
          Collection<Method> mockedMethods = getMockedMethods();
          return mockedMethods.toArray(new Method[mockedMethods.size()]);
      }
  
      protected Collection<Method> getMockedMethods()
      {
          try
          {
              Collection<Method> methods = new ArrayList<Method>();
              methods.add(UIComponentBase.class.getDeclaredMethod("getRenderer", new Class[] { FacesContext.class }));
              methods.add(UIComponentBase.class.getDeclaredMethod("getFacesContext", (Class<?>[])null));
              methods.add(UIComponentBase.class.getDeclaredMethod("getParent", (Class<?>[])null));
              methods.add(UIComponentBase.class
                      .getDeclaredMethod("getPathToComponent", new Class[] { UIComponent.class }));
  
              return methods;
          }
          catch (RuntimeException e)
          {
              throw e;
          }
          catch (Exception e)
          {
              throw new RuntimeException(e);
          }
      }
  
      /*
       * Test method for 'javax.faces.component.UIComponentBase.getAttributes()'
       */
      @Test
      public void testGetAttributes()
      {
         // TODO implement tests for _ComponentAttributesMap
         assertTrue(_testImpl.getAttributes() instanceof _ComponentAttributesMap);
     }
 
     @Test
     public void testGetRendersChildren()
     {
         assertGetRendersChildren(false, null);
         assertGetRendersChildren(true, _renderer);
         assertGetRendersChildren(false, _renderer);
     }
 
     private void assertGetRendersChildren(boolean expectedValue, Renderer renderer)
     {
         expect(_testImpl.getFacesContext()).andReturn(_facesContext);
         expect(_testImpl.getRenderer(same(_facesContext))).andReturn(renderer);
         if (renderer != null)
             expect(renderer.getRendersChildren()).andReturn(expectedValue);
         _mocksControl.replay();
         assertEquals(expectedValue, _testImpl.getRendersChildren());
         _mocksControl.verify();
         _mocksControl.reset();
     }
 
 // FIXME: The children map now calls FacesContext.getCurrentInstance which returns null thus throwing a 
 //        npe, I don't know how to fix it yet.
 //    @Test
 //    public void testGetChildCount() throws Exception
 //    {
 //        assertEquals(0, _testImpl.getChildCount());
 //        UIComponent child = _mocksControl.createMock(UIComponent.class);
 //        List<UIComponent> children = _testImpl.getChildren();
 //        expect(child.getParent()).andReturn(null);
 //        child.setParent(same(_testImpl));
 //        _mocksControl.replay();
 //        children.add(child);
 //        assertEquals(1, _testImpl.getChildCount());
 //        _mocksControl.reset();
 //        child.setParent((UIComponent) isNull());
 //        _mocksControl.replay();
 //        children.remove(child);
 //        assertEquals(0, _testImpl.getChildCount());
 //    }
 
     @Test(expectedExceptions = { NullPointerException.class })
     public void testBroadcastArgNPE() throws Exception
     {
         _testImpl.broadcast(null);
     }
 
     @Test
     public void testBroadcast() throws Exception
     {
         FacesEvent event = _mocksControl.createMock(FacesEvent.class);
         _testImpl.broadcast(event);
 
         FacesListener listener1 = _mocksControl.createMock(FacesListener.class);
         FacesListener listener2 = _mocksControl.createMock(FacesListener.class);
         _testImpl.addFacesListener(listener1);
         _testImpl.addFacesListener(listener2);
 
         expect(event.isAppropriateListener(same(listener1))).andReturn(false);
         expect(event.isAppropriateListener(same(listener2))).andReturn(true);
         event.processListener(same(listener2));
 
         _mocksControl.replay();
         _testImpl.broadcast(event);
         _mocksControl.verify();
     }
 
     @Test(expectedExceptions = { NullPointerException.class })
     public void testDecodeArgNPE() throws Exception
     {
         _testImpl.decode(null);
     }
 
     @Test
     public void testDecode() throws Exception
     {
         expect(_testImpl.getRenderer(same(_facesContext))).andReturn(_renderer);
         _renderer.decode(same(_facesContext), same(_testImpl));
         _mocksControl.replay();
         _testImpl.decode(_facesContext);
         _mocksControl.verify();
     }
 
     @Test(expectedExceptions = { NullPointerException.class })
     public void testEncodeBeginArgNPE() throws Exception
     {
         _testImpl.encodeBegin(null);
     }
 
 // FIXME: Need to add some expectation for FacesContext.getAttributes. I'll have to read a bit more about 
 //  easy mock to fix the test error.
 //    @Test
 //    public void testEncodeBegin() throws Exception
 //    {
 //        _testImpl.setRendered(false);
 //        _mocksControl.replay();
 //        _testImpl.encodeBegin(_facesContext);
 //
 //        _mocksControl.reset();
 //        _testImpl.setRendered(true);
 //        expect(_testImpl.getRenderer(same(_facesContext))).andReturn(_renderer);
 //        _renderer.encodeBegin(same(_facesContext), same(_testImpl));
 //        _mocksControl.replay();
 //        _testImpl.encodeBegin(_facesContext);
 //        _mocksControl.verify();
 //    }
 
     @Test(expectedExceptions = { NullPointerException.class })
     public void testEncodeChildrenArgNPE() throws Exception
     {
         _testImpl.encodeChildren(null);
     }
 
     @Test
     public void testEncodeChildren() throws Exception
     {
         _testImpl.setRendered(false);
         _mocksControl.replay();
         _testImpl.encodeChildren(_facesContext);
 
         _mocksControl.reset();
         _testImpl.setRendered(true);
         expect(_testImpl.getRenderer(same(_facesContext))).andReturn(_renderer);
         _renderer.encodeChildren(same(_facesContext), same(_testImpl));
         _mocksControl.replay();
         _testImpl.encodeChildren(_facesContext);
         _mocksControl.verify();
     }
 
     @Test(expectedExceptions = { NullPointerException.class })
     public void testEncodeEndArgNPE() throws Exception
     {
         _testImpl.encodeEnd(null);
     }
 
 // FIXME: Need to add some expectation for FacesContext.getAttributes. I'll have to read a bit more about 
 //  easy mock to fix the test error.
 //    @Test
 //    public void testEncodeEnd() throws Exception
 //    {
 //        _testImpl.setRendered(false);
 //        _mocksControl.replay();
 //        _testImpl.encodeEnd(_facesContext);
 //
 //        _mocksControl.reset();
 //        _testImpl.setRendered(true);
 //        expect(_testImpl.getRenderer(same(_facesContext))).andReturn(_renderer);
 //        _renderer.encodeEnd(same(_facesContext), same(_testImpl));
 //        _mocksControl.replay();
 //        _testImpl.encodeEnd(_facesContext);
 //        _mocksControl.verify();
 //    }
 
     @Test(expectedExceptions = { NullPointerException.class })
     public void testQueueEventArgNPE() throws Exception
     {
         _testImpl.queueEvent(null);
     }
 
     @Test(expectedExceptions = { IllegalStateException.class })
     public void testQueueEventWithoutParent() throws Exception
     {
         FacesEvent event = _mocksControl.createMock(FacesEvent.class);
         expect(_testImpl.getParent()).andReturn(null);
         _mocksControl.replay();
         _testImpl.queueEvent(event);
     }
 
     @Test
     public void testQueueEvent() throws Exception
     {
         FacesEvent event = _mocksControl.createMock(FacesEvent.class);
         UIComponent parent = _mocksControl.createMock(UIComponent.class);
         expect(_testImpl.getParent()).andReturn(parent);
         parent.queueEvent(same(event));
         _mocksControl.replay();
         _testImpl.queueEvent(event);
         _mocksControl.verify();
     }
 
     @Test(expectedExceptions = { NullPointerException.class })
     public void testProcessDecodesArgNPE() throws Exception
     {
         _testImpl.processDecodes(null);
     }
 
     @Test(expectedExceptions = { RuntimeException.class })
     public void testProcessDecodesCallsRenderResoponseIfDecodeThrowsException()
     {
         List<UIComponent> emptyList = Collections.emptyList();
         
         expect(_testImpl.getFacetsAndChildren()).andReturn(emptyList.iterator());
         _testImpl.decode(same(_facesContext));
         expectLastCall().andThrow(new RuntimeException());
         _facesContext.renderResponse();
         _mocksControl.replay();
         try
         {
             _testImpl.processDecodes(_facesContext);
         }
         finally
         {
             _mocksControl.verify();
         }
     }
 
     @Test(enabled=false)
     public void testProcessDecodesWithRenderedFalse() throws Exception
     {
         _testImpl.setRendered(false);
         _mocksControl.replay();
         _testImpl.processDecodes(_facesContext);
     }
 
 // FIXME: Need to add some expectation for FacesContext.getAttributes. I'll have to read a bit more about 
 //  easy mock to fix the test error.
 //    @Test
 //    public void testProcessDecodesWithRenderedTrue() throws Exception
 //    {
 //        Collection<Method> methods = getMockedMethods();
 //        methods.add(UIComponentBase.class.getDeclaredMethod("getFacetsAndChildren", (Class<?>[])null));
 //        methods.add(UIComponentBase.class.getDeclaredMethod("decode", new Class[] { FacesContext.class }));
 //        _testImpl = _mocksControl.createMock(UIComponentBase.class, methods.toArray(new Method[methods.size()]));
 //        UIComponent child = _mocksControl.createMock(UIComponent.class);
 //        expect(_testImpl.getFacetsAndChildren()).andReturn(Arrays.asList(new UIComponent[] { child }).iterator());
 //        child.processDecodes(same(_facesContext));
 //        _testImpl.decode(same(_facesContext));
 //        _mocksControl.replay();
 //        _testImpl.processDecodes(_facesContext);
 //        _mocksControl.verify();
 //    }
 
     @Test(expectedExceptions = { NullPointerException.class })
     public void testProcessValidatorsArgNPE() throws Exception
     {
         _testImpl.processValidators(null);
     }
 
     @Test(enabled=false)
     public void testProcessValidatorsWithRenderedFalse() throws Exception
     {
         _testImpl.setRendered(false);
         _mocksControl.replay();
         _testImpl.processValidators(_facesContext);
     }
 
 // FIXME: Need to add some expectation for FacesContext.getAttributes. I'll have to read a bit more about 
 //  easy mock to fix the test error.
 //    @Test
 //    public void testProcessValidatorsWithRenderedTrue() throws Exception
 //    {
 //        UIComponent child = setupProcessXYZTest();
 //        child.processValidators(same(_facesContext));
 //        _mocksControl.replay();
 //        _testImpl.processValidators(_facesContext);
 //        _mocksControl.verify();
 //    }
 
     private UIComponent setupProcessXYZTest() throws Exception
     {
         Collection<Method> methods = getMockedMethods();
         methods.add(UIComponentBase.class.getDeclaredMethod("getFacetsAndChildren", (Class<?>[])null));
         _testImpl = _mocksControl.createMock(UIComponentBase.class, methods.toArray(new Method[methods.size()]));
         UIComponent child = _mocksControl.createMock(UIComponent.class);
         expect(_testImpl.getFacetsAndChildren()).andReturn(Arrays.asList(new UIComponent[] { child }).iterator());
         return child;
     }
 
     @Test(expectedExceptions = { NullPointerException.class })
     public void testProcessUpdatesArgNPE() throws Exception
     {
         _testImpl.processUpdates(null);
     }
 
     @Test(enabled=false)
     public void testProcessUpdatesWithRenderedFalse() throws Exception
     {
         _testImpl.setRendered(false);
         _mocksControl.replay();
         _testImpl.processUpdates(_facesContext);
     }
 
 // FIXME: Need to add some expectation for FacesContext.getAttributes. I'll have to read a bit more about 
 //  easy mock to fix the test error.
 //    @Test
 //    public void testProcessUpdatesWithRenderedTrue() throws Exception
 //    {
 //        UIComponent child = setupProcessXYZTest();
 //        child.processUpdates(same(_facesContext));
 //        _mocksControl.replay();
 //        _testImpl.processUpdates(_facesContext);
 //        _mocksControl.verify();
 //    }
 
     @Factory
     public Object[] createPropertyTests() throws Exception
     {
         return new Object[] {
                 new AbstractUIComponentPropertyTest<Boolean>("rendered", true, new Boolean[] { false, true })
                 {
                     @Override
                     protected UIComponent createComponent()
                     {
                         return getMocksControl().createMock(UIComponentBase.class, new Method[0]);
                     }
                 }, new AbstractUIComponentPropertyTest<String>("rendererType", null, new String[] { null, null })
                 {
                     @Override
                     protected UIComponent createComponent()
                     {
                         return getMocksControl().createMock(UIComponentBase.class, new Method[0]);
                     }
                 } };
     }
 }