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 org.apache.maven.surefire.api.testset.TestListResolver;
  import org.apache.maven.surefire.api.util.ScanResult;
  import org.hamcrest.Matcher;
  import org.junit.Test;
  import org.junit.runner.RunWith;
  import org.junit.runners.Parameterized;
  
  import java.io.File;
  import java.util.Arrays;
  import java.util.HashMap;
  import java.util.Map;
  
  import static org.hamcrest.MatcherAssert.assertThat;
  import static org.hamcrest.Matchers.is;
  import static org.hamcrest.Matchers.hasSize;
  import static org.hamcrest.Matchers.greaterThanOrEqualTo;
  import static org.hamcrest.Matchers.notNullValue;
  import static org.junit.runners.Parameterized.Parameter;
  import static org.junit.runners.Parameterized.Parameters;
  
  /**
   * @author Kristian Rosenvold
   */
  @RunWith( Parameterized.class )
  public class DirectoryScannerTest
  {
      @Parameters( name = "\"{0}\" should count {1} classes" )
      public static Iterable<Object[]> data()
      {
          return Arrays.asList( new Object[][]
                  {
                          { "**/*ZT*A.java", is( 3 ) },
                          { "**/*ZT*A.java#testMethod", is( 3 ) },
                          { "**/*ZT?A.java#testMethod, !*ZT2A", is( 2 ) },
                          { "**/*ZT?A.java#testMethod, !*ZT2A#testMethod", is( 3 ) },
                          { "#testMethod", is( greaterThanOrEqualTo( 3 ) ) }
                  } );
      }
  
      @Parameter( 0 )
      @SuppressWarnings( "checkstyle:visibilitymodifier" )
      public String filter;
  
      @Parameter( 1 )
      @SuppressWarnings( "checkstyle:visibilitymodifier" )
      public Matcher<? super Integer> expectedClassesCount;
  
      @Test
      public void locateTestClasses()
          throws Exception
      {
          // use target as people can configure ide to compile in an other place than maven
          File baseDir = new File( new File( "target/test-classes" ).getCanonicalPath() );
          TestListResolver resolver = new TestListResolver( filter );
          DirectoryScanner surefireDirectoryScanner = new DirectoryScanner( baseDir, resolver );
  
          ScanResult classNames = surefireDirectoryScanner.scan();
          assertThat( classNames, is( notNullValue() ) );
          assertThat( classNames.size(), is( expectedClassesCount ) );
  
          Map<String, String> props = new HashMap<>();
          classNames.writeTo( props );
          assertThat( props.values(), hasSize( expectedClassesCount ) );
      }
  }