package org.apache.maven.project;
   
   /*
    * 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 static org.hamcrest.Matchers.empty;
  import static org.hamcrest.Matchers.is;
  import static org.junit.Assert.assertThat;
  
  import java.io.ByteArrayInputStream;
  import java.io.InputStream;
  import java.nio.charset.StandardCharsets;
  import java.util.Arrays;
  
  import junit.framework.TestCase;
  
  /**
   * Tests {@link ExtensionDescriptorBuilder}.
   *
   * @author Benjamin Bentmann
   */
  public class ExtensionDescriptorBuilderTest
      extends TestCase
  {
  
      private ExtensionDescriptorBuilder builder;
  
      @Override
      protected void setUp()
          throws Exception
      {
          super.setUp();
  
          builder = new ExtensionDescriptorBuilder();
      }
  
      @Override
      protected void tearDown()
          throws Exception
      {
          builder = null;
  
          super.tearDown();
      }
  
      private InputStream toStream( String xml )
      {
          return new ByteArrayInputStream( xml.getBytes( StandardCharsets.UTF_8 ) );
      }
  
      public void testEmptyDescriptor()
          throws Exception
      {
          String xml = "<extension></extension>";
  
          ExtensionDescriptor ed = builder.build( toStream( xml ) );
  
          assertNotNull( ed );
          assertNotNull( ed.getExportedPackages() );
          assertThat( ed.getExportedPackages(), is( empty() ) );
          assertNotNull( ed.getExportedArtifacts() );
          assertThat( ed.getExportedArtifacts(), is( empty() ) );
      }
  
      public void testCompleteDescriptor()
          throws Exception
      {
          String xml =
              "<?xml version='1.0' encoding='UTF-8'?>" + "<extension>" + "<exportedPackages>"
                  + "<exportedPackage>a</exportedPackage>" + "<exportedPackage>b</exportedPackage>"
                  + "<exportedPackage>c</exportedPackage>" + "</exportedPackages>" + "<exportedArtifacts>"
                  + "<exportedArtifact>x</exportedArtifact>" + "<exportedArtifact>y</exportedArtifact>"
                  + "<exportedArtifact> z </exportedArtifact>" + "</exportedArtifacts>" + "</extension>";
  
          ExtensionDescriptor ed = builder.build( toStream( xml ) );
  
          assertNotNull( ed );
          assertEquals( Arrays.asList( "a", "b", "c" ), ed.getExportedPackages() );
          assertEquals( Arrays.asList( "x", "y", "z" ), ed.getExportedArtifacts() );
      }
  
  }