package org.apache.maven.model.merge;
   
   
   /*
    * 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 java.util.Collections;
  
  import org.apache.maven.api.model.Model;
  import org.apache.maven.api.model.Prerequisites;
  import org.apache.maven.api.model.Profile;
  import org.junit.jupiter.api.Test;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertNull;
  
  public class MavenModelMergerTest
  {
      private MavenModelMerger modelMerger = new MavenModelMerger();
  
      // modelVersion is neither inherited nor injected
      @Test
      public void testMergeModel_ModelVersion()
      {
          Model parent = Model.newBuilder().modelVersion( "4.0.0" ).build();
          Model model = Model.newInstance();
          Model.Builder builder = Model.newBuilder( model );
          modelMerger.mergeModel_ModelVersion( builder, model, parent, false, null );
          assertNull( builder.build().getModelVersion() );
  
          model = Model.newBuilder().modelVersion( "5.0.0" ).build();
          builder = Model.newBuilder( model );
          modelMerger.mergeModel_ModelVersion( builder, model, parent, false, null );
          assertEquals( "5.0.0", builder.build().getModelVersion() );
      }
  
      // ArtifactId is neither inherited nor injected
      @Test
      public void testMergeModel_ArtifactId()
      {
          Model parent = Model.newBuilder().artifactId( "PARENT" ).build();
          Model model = Model.newInstance();
          Model.Builder builder = Model.newBuilder( model );
          modelMerger.mergeModel_ArtifactId( builder, model, parent, false, null );
          assertNull( model.getArtifactId() );
  
          model = Model.newBuilder().artifactId( "MODEL" ).build();
          builder = Model.newBuilder( model );
          modelMerger.mergeModel_ArtifactId( builder, model, parent, false, null );
          assertEquals( "MODEL", builder.build().getArtifactId() );
      }
  
      // Prerequisites are neither inherited nor injected
      @Test
      public void testMergeModel_Prerequisites()
      {
          Model parent = Model.newBuilder().prerequisites( Prerequisites.newInstance() ).build();
          Model model = Model.newInstance();
          Model.Builder builder = Model.newBuilder( model );
          modelMerger.mergeModel_Prerequisites( builder, model, parent, false, null );
          assertNull( builder.build().getPrerequisites() );
  
          Prerequisites modelPrerequisites = Prerequisites.newBuilder().maven( "3.0" ).build();
          model = Model.newBuilder().prerequisites( modelPrerequisites ).build();
          builder = Model.newBuilder( model );
          modelMerger.mergeModel_Prerequisites( builder, model, parent, false, null );
          assertEquals( modelPrerequisites, builder.build().getPrerequisites() );
      }
  
      // Profiles are neither inherited nor injected
      @Test
      public void testMergeModel_Profiles()
      {
          Model parent = Model.newBuilder().profiles( Collections.singletonList( Profile.newInstance() ) ).build();
          Model model = Model.newInstance();
          Model.Builder builder = Model.newBuilder( model );
          modelMerger.mergeModel_Profiles( builder, model, parent, false, null );
          assertEquals( 0, builder.build().getProfiles().size() );
  
          Profile modelProfile = Profile.newBuilder().id( "MODEL" ).build();
          model = Model.newBuilder().profiles( Collections.singletonList( modelProfile ) ).build();
          builder = Model.newBuilder( model );
          modelMerger.mergeModel_Prerequisites( builder, model, parent, false, null );
         assertEquals( Collections.singletonList( modelProfile ), builder.build().getProfiles() );
     }
 
 }