package org.apache.maven.plugin.surefire.util;
   
   /*
    * 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.assertEquals;
  import static org.junit.Assert.assertFalse;
  import static org.junit.Assert.assertNotNull;
  
  import org.apache.maven.artifact.Artifact;
  import org.apache.maven.artifact.DefaultArtifact;
  import org.apache.maven.artifact.handler.DefaultArtifactHandler;
  import org.apache.maven.artifact.versioning.VersionRange;
  import org.apache.maven.surefire.api.testset.TestListResolver;
  import org.apache.maven.surefire.api.util.ScanResult;
  import org.junit.Rule;
  import org.junit.Test;
  import org.junit.rules.TemporaryFolder;
  
  import java.io.File;
  import java.io.FileOutputStream;
  import java.util.Arrays;
  import java.util.ArrayList;
  import java.util.Collections;
  import java.util.HashMap;
  import java.util.List;
  import java.util.Map;
  import java.util.zip.ZipEntry;
  import java.util.zip.ZipOutputStream;
  
  /**
   * @author Aslak Knutsen
   */
  public class DependenciesScannerTest
  {
  
      @Rule
      public TemporaryFolder tempFolder = new TemporaryFolder();
  
      @Test
      public void testLocateTestClasses()
          throws Exception
      {
          File testFile = writeTestFile( "DependenciesScannerTest-tests.jar",
                  "org/test/TestA.class", "org/test/TestB.class" );
  
          // use target as people can configure ide to compile in an other place than maven
          Artifact artifact =
              new DefaultArtifact( "org.surefire.dependency", "test-jar", VersionRange.createFromVersion( "1.0" ), "test",
                                   "jar", "tests", null );
          artifact.setFile( testFile );
  
          List<String> scanDependencies = new ArrayList<>();
          scanDependencies.add( "org.surefire.dependency:test-jar" );
  
          List<String> include = new ArrayList<>();
          include.add( "**/*A.java" );
          List<String> exclude = new ArrayList<>();
  
          List<File> dependenciesToScan =
                  filterArtifactsAsFiles( scanDependencies, Collections.singletonList( artifact ) );
  
          DependencyScanner scanner =
              new DependencyScanner( dependenciesToScan, new TestListResolver( include, exclude ) );
  
          ScanResult classNames = scanner.scan();
          assertNotNull( classNames );
          assertEquals( 1, classNames.size() );
  
          Map<String, String> props = new HashMap<>();
          classNames.writeTo( props );
          assertEquals( 1, props.size() );
      }
  
      /**
       * Test for artifact with classifier
       */
      @Test
      public void testLocateTestClassesFromArtifactWithClassifier()
          throws Exception
      {
          File testJarFile = writeTestFile( "DependenciesScannerTest2-1.0-tests-jdk15.jar", "org/test/TestA.class",
                                            "org/test/other/TestAA.class", "org/test/TestB.class" );
         Artifact testArtifact =
             new DefaultArtifact( "org.surefire.dependency", "dependent-artifact2",
                                  VersionRange.createFromVersion( "1.0" ), "test", "jar", "tests-jdk15", null );
         testArtifact.setFile( testJarFile );
 
         List<String> scanDependencies = new ArrayList<>();
         scanDependencies.add( "org.surefire.dependency:dependent-artifact2:*:*:tests-jdk15" );
 
         List<String> include = new ArrayList<>();
         include.add( "**/*A.java" );
         List<String> exclude = new ArrayList<>();
 
 
         List<File> filesToScan = filterArtifactsAsFiles( scanDependencies, Collections.singletonList( testArtifact ) );
 
         DependencyScanner scanner =
             new DependencyScanner( filesToScan, new TestListResolver( include, exclude ) );
 
         ScanResult classNames = scanner.scan();
         assertNotNull( classNames );
         assertEquals( 2, classNames.size() );
 
         Map<String, String> props = new HashMap<>();
         classNames.writeTo( props );
         assertEquals( 2, props.size() );
     }
 
     /**
      * Test with type when two artifacts are present, should only find the class in jar with correct type
      */
     @Test
     public void testLocateTestClassesFromMultipleArtifactsWithType()
         throws Exception
     {
         File jarFile =
             writeTestFile( "DependenciesScannerTest3-1.0.jar", "org/test/ClassA.class", "org/test/ClassB.class" );
         Artifact mainArtifact = new DefaultArtifact( "org.surefire.dependency", "dependent-artifact3",
                                                      VersionRange.createFromVersion( "1.0" ), "test", "jar", null,
                                                      new DefaultArtifactHandler() );
         mainArtifact.setFile( jarFile );
 
         File testJarFile =
             writeTestFile( "DependenciesScannerTest3-1.0-tests.jar", "org/test/TestA.class", "org/test/TestB.class" );
         Artifact testArtifact = new DefaultArtifact( "org.surefire.dependency", "dependent-artifact3",
                                                      VersionRange.createFromVersion( "1.0" ), "test", "test-jar", null,
                                                      new DefaultArtifactHandler() );
         testArtifact.setFile( testJarFile );
 
         List<String> scanDependencies = new ArrayList<>();
         scanDependencies.add( "org.surefire.dependency:dependent-artifact3:test-jar" );
 
         List<String> include = new ArrayList<String>();
         include.add( "**/*A.java" );
         List<String> exclude = new ArrayList<String>();
 
         List<Artifact> artifacts = Arrays.asList( mainArtifact, testArtifact );
 
         List<File> filesToScan = filterArtifactsAsFiles( scanDependencies, artifacts );
 
         DependencyScanner scanner = new DependencyScanner( filesToScan, new TestListResolver( include, exclude ) );
 
         ScanResult classNames = scanner.scan();
         assertNotNull( classNames );
         assertEquals( 1, classNames.size() );
         assertEquals( "org.test.TestA", classNames.getClassName( 0 ) );
 
         Map<String, String> props = new HashMap<>();
         classNames.writeTo( props );
         assertEquals( 1, props.size() );
     }
 
     /**
      * Test to pick the right version of an artifact to scan
      */
     @Test
     public void testLocateTestClassesFromMultipleVersionsOfArtifact()
         throws Exception
     {
         File jarFile10 =
             writeTestFile( "DependenciesScannerTest4-1.0.jar", "org/test/ClassA.class", "org/test/ClassB.class" );
         Artifact artifact10 = new DefaultArtifact( "org.surefire.dependency", "dependent-artifact4",
                                                    VersionRange.createFromVersion( "1.0" ), "test", "jar", null,
                                                    new DefaultArtifactHandler() );
         artifact10.setFile( jarFile10 );
 
         File jarFile20 =
             writeTestFile( "DependenciesScannerTest4-2.0.jar", "org/test2/ClassA.class", "org/test2/ClassB.class" );
         Artifact artifact20 = new DefaultArtifact( "org.surefire.dependency", "dependent-artifact4",
                                                    VersionRange.createFromVersion( "2.0" ), "test", "jar", null,
                                                    new DefaultArtifactHandler() );
         artifact20.setFile( jarFile20 );
 
         List<String> scanDependencies = new ArrayList<>();
         scanDependencies.add( "org.surefire.dependency:dependent-artifact4:*:2.0" );
 
         List<String> include = new ArrayList<>();
         include.add( "**/*A.java" );
         List<String> exclude = new ArrayList<>();
 
         List<Artifact> artifacts = Arrays.asList( artifact10, artifact20 );
 
         List<File> filesToScan = filterArtifactsAsFiles( scanDependencies, artifacts );
         DependencyScanner scanner = new DependencyScanner( filesToScan, new TestListResolver( include, exclude ) );
 
         ScanResult classNames = scanner.scan();
         assertNotNull( classNames );
         assertEquals( 1, classNames.size() );
         assertEquals( "org.test2.ClassA", classNames.getClassName( 0 ) );
 
         Map<String, String> props = new HashMap<String, String>();
         classNames.writeTo( props );
         assertEquals( 1, props.size() );
         assertFalse( props.values().contains( "org.test.ClassA" ) );
     }
 
     private static List<File> filterArtifactsAsFiles( List<String> scanDependencies, List<Artifact> artifacts )
     {
         List<File> filesToScan = new ArrayList<>();
         for ( Artifact a : DependencyScanner.filter( artifacts, scanDependencies ) )
         {
             filesToScan.add( a.getFile() );
         }
         return filesToScan;
     }
 
     private File writeTestFile( String fileName, String... entries )
         throws Exception
     {
         File output = tempFolder.newFile( fileName );
 
         try ( ZipOutputStream out = new ZipOutputStream( new FileOutputStream( output ) ) )
         {
             for ( String entry : entries )
             {
                 out.putNextEntry( new ZipEntry( entry ) );
                 out.closeEntry();
             }
             return output;
         }
     }
 }