/*
    * 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.shared.application;
  
  import java.io.File;
  import java.io.FileNotFoundException;
  import java.net.URI;
  import java.net.URL;
  
  import org.apache.myfaces.test.base.junit4.AbstractJsfTestCase;
  import org.junit.Assert;
  import org.junit.Test;
  
  public class DefaultViewHandlerSupportTest extends AbstractJsfTestCase
  {
      private final String filePath = this.getDirectory();
      
      @Override
      protected void setUpServletObjects() throws Exception
      {
          URI context = this.getContext();
          super.setUpServletObjects();
          servletContext.setDocumentRoot(new File(context));
      }
      
      private String getDirectory()
      {
          return this.getClass().getName().substring(0,
                  this.getClass().getName().lastIndexOf('.')).replace('.', '/')
                  + "/";
      }
      
      protected URI getContext()
      {
          try
          {
              ClassLoader cl = Thread.currentThread().getContextClassLoader();
              URL url = cl.getResource(this.filePath);
              if (url == null)
              {
                  throw new FileNotFoundException(cl.getResource("").getFile()
                          + this.filePath + " was not found");
              }
              else
              {
                  return new URI(url.toString());
              }
          }
          catch (Exception e)
          {
              throw new RuntimeException("Error Initializing Context", e);
          }
      }
      
      @Test
      public void testDeriveViewId1() throws Exception
      {
          request.setPathElements("/testwebapp", "/view1.jsf", null , null);
  
          DefaultViewHandlerSupport support = new DefaultViewHandlerSupport();
          
          String derivedViewId = support.calculateAndCheckViewId(facesContext, "/view1.jsf");
          
          Assert.assertNotNull(derivedViewId);
      }
      
      @Test
      public void testDeriveViewId2() throws Exception
      {
          DefaultViewHandlerSupport support = new DefaultViewHandlerSupport();
          
          request.setPathElements("/testwebapp", "/faces", "/view1.jsp" , null);
          
          String derivedViewId = support.calculateAndCheckViewId(facesContext, "/view1.jsp");
          
          Assert.assertNotNull(derivedViewId);
      }
      
      @Test
      public void testDeriveViewId21() throws Exception
      {
          DefaultViewHandlerSupport support = new DefaultViewHandlerSupport();
          
         request.setPathElements("/testwebapp", "/faces", "/faces/view1.jsp" , null);
         
         String derivedViewId = support.calculateAndCheckViewId(facesContext, "/faces/view1.jsp");
         
         Assert.assertNotNull(derivedViewId);
     }    
     
     @Test
     public void testDeriveViewId3() throws Exception
     {
         DefaultViewHandlerSupport support = new DefaultViewHandlerSupport();
         
         request.setPathElements("/testwebapp", "/view2.jsf", null , null);
         
         String derivedViewId = support.calculateAndCheckViewId(facesContext, "/view2.jsf");
         
         Assert.assertNotNull(derivedViewId);
     }
     
     @Test
     public void testDeriveViewId4() throws Exception
     {
         DefaultViewHandlerSupport support = new DefaultViewHandlerSupport();
         
         request.setPathElements("/testwebapp", "/faces", "/view2.xhtml" , null);
         
         String derivedViewId = support.calculateAndCheckViewId(facesContext, "/view2.xhtml");
         
         Assert.assertNotNull(derivedViewId);
     }
 
 
     @Test
     public void testDeriveViewId5() throws Exception
     {
         request.setPathElements("/testwebapp", "/noview1.jsf", null , null);
 
         DefaultViewHandlerSupport support = new DefaultViewHandlerSupport();
         
         String derivedViewId = support.calculateAndCheckViewId(facesContext, "/noview1.jsf");
         
         Assert.assertNull(derivedViewId);
     }
     
     /**
      * An empty prefix mapping can occur in Spring environments.
      * @throws Exception
      */
     @Test
     public void testEmptyPrefixMapping() throws Exception
     {
         DefaultViewHandlerSupport support = new DefaultViewHandlerSupport();
         
         request.setPathElements("/testwebapp", "", "/view2.xhtml" , null);
         
         String derivedViewId = support.calculateAndCheckViewId(facesContext, "/view2.xhtml");
         
         Assert.assertEquals("/view2.xhtml", derivedViewId);
     }
     
     /**
      * An empty prefix mapping can occur in Spring environments.
      * However this should not only return the viewId, but also remove any
      * leading double slashes.
      * @throws Exception
      */
     @Test
     public void testEmptyPrefixMappingDoubleSlash() throws Exception
     {
         DefaultViewHandlerSupport support = new DefaultViewHandlerSupport();
         
         request.setPathElements("/testwebapp", "", "//view2.xhtml" , null);
         
         String derivedViewId = support.calculateAndCheckViewId(facesContext, "//view2.xhtml");
         
         Assert.assertEquals("/view2.xhtml", derivedViewId);
     }
 }