/*
    * 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.maven.model.merge;
  
  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());
     }
 }