/*
    * 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                 *
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   * 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.rat;
  
  
  
  import static org.junit.jupiter.api.Assertions.assertNotNull;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  
  import java.io.File;
  import java.io.FilenameFilter;
  import java.io.IOException;
  import java.io.PrintStream;
  import java.nio.charset.StandardCharsets;
  import java.util.Arrays;
  
  import org.apache.commons.cli.CommandLine;
  import org.apache.commons.cli.DefaultParser;
  import org.apache.commons.cli.ParseException;
  import org.apache.commons.io.FileUtils;
  import org.junit.jupiter.api.Disabled;
  import org.junit.jupiter.api.Test;
  
  public class ReportTest {
      @Test
      public void parseExclusionsForCLIUsage() {
          final FilenameFilter filter = Report
                  .parseExclusions(Arrays.asList("", " # foo/bar", "foo", "##", " ./foo/bar"));
          assertNotNull(filter);
      }
      
      @Test
      public void testDefaultConfiguration() throws ParseException, IOException {
          String[] empty = {};
          CommandLine cl = new DefaultParser().parse(Report.buildOptions(), empty);
          ReportConfiguration config = Report.createConfiguration("", cl);
          ReportConfigurationTest.validateDefault(config);
      }
  
      @Test
      public void testOutputOption() throws Exception {
          CommandLine cl = new DefaultParser().parse(Report.buildOptions(), new String[]{ "-o", "target/test" });
          ReportConfiguration config = Report.createConfiguration("target/test-classes/elements", cl);
          Reporter.report(config);
          File output = new File("target/test");
          assertTrue(output.exists());
          String content = FileUtils.readFileToString(output, StandardCharsets.UTF_8);
          assertTrue(content.contains("2 Unknown Licenses"));
          assertTrue(content.contains("target/test-classes/elements/Source.java"));
          assertTrue(content.contains("target/test-classes/elements/sub/Empty.txt"));
      }
  
      @Test
      public void testDefaultOutput() throws Exception {
          
          PrintStream origin = System.out;
          try {
              File output = new File("target/sysout");
              System.setOut(new PrintStream(output));
              CommandLine cl = new DefaultParser().parse(Report.buildOptions(), new String[]{});
              ReportConfiguration config = Report.createConfiguration("target/test-classes/elements", cl);
              Reporter.report(config);
              assertTrue(output.exists());
              String content = FileUtils.readFileToString(output, StandardCharsets.UTF_8);
              assertTrue(content.contains("2 Unknown Licenses"));
              assertTrue(content.contains("target/test-classes/elements/Source.java"));
              assertTrue(content.contains("target/test-classes/elements/sub/Empty.txt"));
          } finally {
              System.setOut(origin);
          }
      }
  
  }