/*
    * 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.myfaces.renderkit;
  
  import java.io.StringWriter;
  
  import javax.el.ValueExpression;
  import javax.faces.component.UIViewRoot;
  import javax.faces.component.html.HtmlOutputText;
  import javax.validation.constraints.AssertTrue;
  
  import junit.framework.Test;
  import junit.framework.TestSuite;
  
  import org.apache.myfaces.renderkit.html.HtmlTextRenderer;
  import org.apache.myfaces.shared.util.StateUtils;
  import org.apache.myfaces.shared_impl.util.serial.DefaultSerialFactory;
  import org.apache.myfaces.test.base.AbstractJsfTestCase;
  import org.apache.myfaces.test.mock.MockRenderKitFactory;
  import org.apache.myfaces.test.mock.MockResponseWriter;
  
  /**
   * @author Bruno Aranda (latest modification by $Author: struberg $)
   * @version $Revision: 1188235 $ $Date: 2011-10-24 13:09:33 -0400 (Mon, 24 Oct 2011) $
   */
  public class ErrorPageWriterTest extends AbstractJsfTestCase
  {
      public static Test suite()
      {
          return new TestSuite(ErrorPageWriterTest.class); // needed in maven
      }
  
      private MockResponseWriter writer ;
      private HtmlOutputText outputText;
  
      public ErrorPageWriterTest(String name)
      {
          super(name);
      }
  
      public void setUp() throws Exception
      {
          super.setUp();
  
          outputText = new HtmlOutputText();
  
          writer = new MockResponseWriter(new StringWriter(), null, null);
          facesContext.setResponseWriter(writer);
          // TODO remove these two lines once myfaces-test goes alpha, see MYFACES-1155
          facesContext.getViewRoot().setRenderKitId(MockRenderKitFactory.HTML_BASIC_RENDER_KIT);
          facesContext.getRenderKit().addRenderer(
                  outputText.getFamily(),
                  outputText.getRendererType(),
                  new HtmlTextRenderer());
          servletContext.setAttribute(StateUtils.SERIAL_FACTORY, new DefaultSerialFactory());
  
          facesContext.getAttributes().put("org.apache.myfaces.RENDERED_JSF_JS", Boolean.TRUE);
      }
  
      public void tearDown() throws Exception
      {
          super.tearDown();
          outputText = null;
          writer = null;
      }
  
      public void testValueExpressionGetExpressionStringReturnsNull()
      {
          //See MYFACES-3413 for details
          UIViewRoot root = facesContext.getViewRoot();
  //        UIForm form = new UIForm();
  //        form.setId("formId");
  //        
  //        form.getChildren().add(inputText);
          root.getChildren().add(outputText);
  
          ValueExpression ve = new NullReturningGetExpressionStringValueExpression();
          
          outputText.setValueExpression("rendered", ve);
          String id = "testValueExpressionGetExpressionStringReturnsNullOutputComponent";
          outputText.setId(id);
          try 
          {
             StringWriter w = new StringWriter();
             Throwable t = new Throwable("Placeholder throwable");
             ErrorPageWriter.debugHtml(w, facesContext, t);
             String output = w.toString();
             int indexOfOutputComponentId = output.indexOf(id);
             String surroundingText = "output component not found.";
             if (-1 != indexOfOutputComponentId) {
                 surroundingText = output.substring(Math.max(0, indexOfOutputComponentId - 20), Math.min(output.length(), indexOfOutputComponentId + 280));
             }
             int indexOfHasRenderedAttribute = output.indexOf("rendered=\"\"");
             boolean hasRenderedAttribute = (-1 != indexOfHasRenderedAttribute);
             assertTrue("rendered attribute wasn't written correctly: " + surroundingText, hasRenderedAttribute);
         }
         catch (Exception e)
         {
             fail(e.getMessage());
         }
     }
     
 }