package org.eclipse.aether.util.artifact;
   
   /*
    * 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.junit.Assert.*;
  
  import java.io.File;
  import java.util.Collections;
  import java.util.HashMap;
  import java.util.Map;
  
  import org.eclipse.aether.artifact.Artifact;
  import org.eclipse.aether.artifact.DefaultArtifact;
  import org.eclipse.aether.util.artifact.SubArtifact;
  import org.junit.Test;
  
  /**
   */
  public class SubArtifactTest
  {
  
      private Artifact newMainArtifact( String coords )
      {
          return new DefaultArtifact( coords );
      }
  
      @Test
      public void testMainArtifactFileNotRetained()
      {
          Artifact a = newMainArtifact( "gid:aid:ver" ).setFile( new File( "" ) );
          assertNotNull( a.getFile() );
          a = new SubArtifact( a, "", "pom" );
          assertNull( a.getFile() );
      }
  
      @Test
      public void testMainArtifactPropertiesNotRetained()
      {
          Artifact a = newMainArtifact( "gid:aid:ver" ).setProperties( Collections.singletonMap( "key", "value" ) );
          assertEquals( 1, a.getProperties().size() );
          a = new SubArtifact( a, "", "pom" );
          assertEquals( 0, a.getProperties().size() );
          assertSame( null, a.getProperty( "key", null ) );
      }
  
      @Test( expected = NullPointerException.class )
      public void testMainArtifactMissing()
      {
          new SubArtifact( null, "", "pom" );
      }
  
      @Test
      public void testEmptyClassifier()
      {
          Artifact main = newMainArtifact( "gid:aid:ext:cls:ver" );
          Artifact sub = new SubArtifact( main, "", "pom" );
          assertEquals( "", sub.getClassifier() );
          sub = new SubArtifact( main, null, "pom" );
          assertEquals( "", sub.getClassifier() );
      }
  
      @Test
      public void testEmptyExtension()
      {
          Artifact main = newMainArtifact( "gid:aid:ext:cls:ver" );
          Artifact sub = new SubArtifact( main, "tests", "" );
          assertEquals( "", sub.getExtension() );
          sub = new SubArtifact( main, "tests", null );
          assertEquals( "", sub.getExtension() );
      }
  
      @Test
      public void testSameClassifier()
      {
          Artifact main = newMainArtifact( "gid:aid:ext:cls:ver" );
          Artifact sub = new SubArtifact( main, "*", "pom" );
          assertEquals( "cls", sub.getClassifier() );
      }
  
      @Test
      public void testSameExtension()
      {
         Artifact main = newMainArtifact( "gid:aid:ext:cls:ver" );
         Artifact sub = new SubArtifact( main, "tests", "*" );
         assertEquals( "ext", sub.getExtension() );
     }
 
     @Test
     public void testDerivedClassifier()
     {
         Artifact main = newMainArtifact( "gid:aid:ext:cls:ver" );
         Artifact sub = new SubArtifact( main, "*-tests", "pom" );
         assertEquals( "cls-tests", sub.getClassifier() );
         sub = new SubArtifact( main, "tests-*", "pom" );
         assertEquals( "tests-cls", sub.getClassifier() );
 
         main = newMainArtifact( "gid:aid:ext:ver" );
         sub = new SubArtifact( main, "*-tests", "pom" );
         assertEquals( "tests", sub.getClassifier() );
         sub = new SubArtifact( main, "tests-*", "pom" );
         assertEquals( "tests", sub.getClassifier() );
     }
 
     @Test
     public void testDerivedExtension()
     {
         Artifact main = newMainArtifact( "gid:aid:ext:cls:ver" );
         Artifact sub = new SubArtifact( main, "", "*.asc" );
         assertEquals( "ext.asc", sub.getExtension() );
         sub = new SubArtifact( main, "", "asc.*" );
         assertEquals( "asc.ext", sub.getExtension() );
     }
 
     @Test
     public void testImmutability()
     {
         Artifact a = new SubArtifact( newMainArtifact( "gid:aid:ver" ), "", "pom" );
         assertNotSame( a, a.setFile( new File( "file" ) ) );
         assertNotSame( a, a.setVersion( "otherVersion" ) );
         assertNotSame( a, a.setProperties( Collections.singletonMap( "key", "value" ) ) );
     }
 
     @Test
     public void testPropertiesCopied()
     {
         Map<String, String> props = new HashMap<>();
         props.put( "key", "value1" );
 
         Artifact a = new SubArtifact( newMainArtifact( "gid:aid:ver" ), "", "pom", props, null );
         assertEquals( "value1", a.getProperty( "key", null ) );
         props.clear();
         assertEquals( "value1", a.getProperty( "key", null ) );
 
         props.put( "key", "value2" );
         a = a.setProperties( props );
         assertEquals( "value2", a.getProperty( "key", null ) );
         props.clear();
         assertEquals( "value2", a.getProperty( "key", null ) );
     }
 
 }