package org.apache.maven.plugins.help;
   
   /*
    * 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.
   */
  
  import org.apache.maven.plugin.descriptor.MojoDescriptor;
  import org.apache.maven.plugin.descriptor.Parameter;
  
  import junit.framework.Assert;
  import junit.framework.TestCase;
  import junitx.util.PrivateAccessor;
  
  /**
   * @author <a href="mailto:vincent.siveton@gmail.com">Vincent Siveton</a>
   * @version $Id: DescribeMojoTest.java 1441715 2013-02-02 08:16:52Z hboutemy $
   */
  public class DescribeMojoTest
      extends TestCase
  {
      /**
       * Test method for {@link org.apache.maven.plugins.help.DescribeMojo#toLines(java.lang.String, int, int, int)}.
       *
       * @throws Exception if any
       */
      public void testGetExpressionsRoot()
          throws Exception
      {
          try
          {
              PrivateAccessor.invoke( DescribeMojo.class, "toLines", new Class[] { String.class, Integer.TYPE,
                  Integer.TYPE, Integer.TYPE }, new Object[] { "", new Integer( 2 ), new Integer( 2 ),
                  new Integer( 80 ) } );
              assertTrue( true );
          }
          catch ( Throwable e )
          {
              Assert.fail( "The API changes" );
          }
      }
      
      public void testValidExpression()
          throws Exception
      {
          StringBuilder sb = new StringBuilder();
          MojoDescriptor md = new MojoDescriptor();
          Parameter parameter = new Parameter();
          parameter.setName( "name" );
          parameter.setExpression( "${valid.expression}" );
          md.addParameter( parameter );
          
          try
          {
              PrivateAccessor.invoke( new DescribeMojo(), "describeMojoParameters", new Class[] { MojoDescriptor.class,
                  StringBuilder.class }, new Object[] { md, sb } );
              
              assertEquals( "  Available parameters:\n" +
              		      "\n" +
              		      "    name\n" +
              		      "      User property: valid.expression\n" +
              		      "      (no description available)\n", sb.toString() );
          }
          catch ( Throwable e )
          {
              fail( e.getMessage() );
          }
      }
      
      public void testInvalidExpression()
          throws Exception
      {
          StringBuilder sb = new StringBuilder();
          MojoDescriptor md = new MojoDescriptor();
          Parameter parameter = new Parameter();
          parameter.setName( "name" );
          parameter.setExpression( "${project.build.directory}/generated-sources/foobar" ); //this is a defaultValue
          md.addParameter( parameter );
          
          try
          {
              PrivateAccessor.invoke( new DescribeMojo(), "describeMojoParameters", new Class[] { MojoDescriptor.class,
                  StringBuilder.class }, new Object[] { md, sb } );
              
              assertEquals( "  Available parameters:\n" +
                           "\n" +
                           "    name\n" +
                           "      Expression: ${project.build.directory}/generated-sources/foobar\n" +
                           "      (no description available)\n", sb.toString() );
         }
         catch ( Throwable e )
         {
             fail( e.getMessage() );
         }
         
     }
 
 }