package com.soebes.maven.extensions.incremental;
   
   /*
    * 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.assertj.core.api.Assertions.assertThat;
  import static org.mockito.Mockito.mock;
  import static org.mockito.Mockito.when;
  
  import java.io.File;
  import java.nio.file.Path;
  import java.util.ArrayList;
  import java.util.Arrays;
  import java.util.List;
  
  import org.apache.maven.project.MavenProject;
  import org.apache.maven.scm.ScmFile;
  import org.apache.maven.scm.ScmFileStatus;
  import org.junit.Before;
  import org.junit.Ignore;
  import org.junit.Test;
  
  public class ModuleCalculatorTest {
  
      private File baseDir = new File("/usr/local/project/");
      private List<MavenProject> projectList;
  
      private MavenProject parent = createProject("parent", new File(baseDir, "."));
      private MavenProject assembly = createProject("assembly", new File(baseDir, "assembly"));
      private MavenProject domain = createProject("domain", new File(baseDir, "domain"));
      private MavenProject subdomain = createProject("subdomain", new File(baseDir, "domain/subdomain"));
      
      private ModuleCalculator moduleCalculator;
      
  
      @Before
      public void before() {
  	projectList = new ArrayList<>();
  	projectList.add(parent);
  	projectList.add(assembly);
  	projectList.add(domain);
  	projectList.add(subdomain);
      }
  
      private MavenProject createProject(String artifactId, File baseDir) {
  	MavenProject mock = mock(MavenProject.class);
  	when(mock.getGroupId()).thenReturn("c.s.e");
  	when(mock.getArtifactId()).thenReturn(artifactId);
  	when(mock.getVersion()).thenReturn("0.1.0-SNAPSHOT");
  	when(mock.getBasedir()).thenReturn(baseDir);
  	return mock;
      }
  
      @Test
      public void shouldResultInASingleModule() {
  	Path root = baseDir.toPath();
  	List<ScmFile> changeList = Arrays
  		.asList(new ScmFile("domain/src/main/java/com/test.java", ScmFileStatus.MODIFIED));
  	moduleCalculator = new ModuleCalculator(projectList, changeList);
  	List<MavenProject> changedModules = moduleCalculator.calculateChangedModules(root);
  
  	assertThat(changedModules).hasSize(1).containsExactly(domain);
      }
  
      @Test
      public void shouldResultInTwoModules() {
  	Path root = baseDir.toPath();
  	List<ScmFile> changeList = Arrays.asList(
  		new ScmFile("domain/src/main/java/com/test.java", ScmFileStatus.MODIFIED),
  		new ScmFile("assembly/pom.xml", ScmFileStatus.MODIFIED));
  	moduleCalculator = new ModuleCalculator(projectList, changeList);
  	List<MavenProject> changedModules = moduleCalculator.calculateChangedModules(root);
  
  	assertThat(changedModules).hasSize(2).containsOnly(domain, assembly);
      }
  
      @Test
      public void shouldResultInTwoModulesTwoChangesInSingleModule() {
  	Path root = baseDir.toPath();
  	List<ScmFile> changeList = Arrays.asList(
  		new ScmFile("domain/src/main/java/com/test.java", ScmFileStatus.MODIFIED),
  		new ScmFile("domain/src/main/java/Anton.java", ScmFileStatus.MODIFIED),
  		new ScmFile("assembly/pom.xml", ScmFileStatus.MODIFIED));
 
 	moduleCalculator = new ModuleCalculator(projectList, changeList);
 	List<MavenProject> changedModules = moduleCalculator.calculateChangedModules(root);
 
 	assertThat(changedModules).hasSize(2).containsOnly(domain, assembly);
     }
 
     @Test
     public void shouldResultInTwoModulesDomainAndSubDomain() {
 	Path root = baseDir.toPath();
 	List<ScmFile> changeList = Arrays.asList(new ScmFile("domain/subdomain/pom.xml", ScmFileStatus.MODIFIED),
 		new ScmFile("domain/pom.xml", ScmFileStatus.MODIFIED));
 	moduleCalculator = new ModuleCalculator(projectList, changeList);
 	List<MavenProject> changedModules = moduleCalculator.calculateChangedModules(root);
 
 	assertThat(changedModules).hasSize(2).containsOnly(domain, subdomain);
     }
 
     @Ignore
     public void shouldResultInThreeModules() {
 	// TODO: Think about this test case. What
 	// should be returned for the root module ?
 	// If i call mvn -pl root ... it will not work?
 	Path root = baseDir.toPath();
 	List<ScmFile> changeList = Arrays.asList(
 		new ScmFile("domain/subdomain/pom.xml", ScmFileStatus.MODIFIED),
 		new ScmFile("domain/pom.xml", ScmFileStatus.MODIFIED), 
 		new ScmFile("pom.xml", ScmFileStatus.MODIFIED));
 	moduleCalculator = new ModuleCalculator(projectList, changeList);
 	List<MavenProject> changedModules = moduleCalculator.calculateChangedModules(root);
 
 	assertThat(changedModules).hasSize(3).containsOnly(domain, subdomain, parent);
     }
 
 }