/*
    * 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.shared.utils.io;
  
  import java.io.File;
  
  import org.junit.Test;
  
  import static org.junit.Assert.*;
  
  /**
   * Test the {@link SelectorUtils} class.
   */
  @SuppressWarnings("deprecation")
  public class SelectorUtilsTest {
  
      @Test(expected = NullPointerException.class)
      public void testMatchPatternStart() {
          SelectorUtils.matchPatternStart(null, null);
      }
  
      @Test
      public void testEmptyStrings() {
          assertTrue(SelectorUtils.matchPatternStart("", ""));
      }
  
      @Test
      public void testRegexPrefix() throws Exception {
          assertEquals(
                  true,
                  SelectorUtils.matchPatternStart(
                          SelectorUtils.REGEX_HANDLER_PREFIX + File.separator + "aaa"
                                  + SelectorUtils.PATTERN_HANDLER_SUFFIX,
                          ""));
      }
  
      @Test
      public void testAntPatternStrings() {
          assertAntDoesNotMatch("/aaa", "");
          assertAntDoesNotMatch("\\aaa", "");
          assertAntMatch("aaa", "");
          assertAntMatch("/aaa/bbb", "/aaa/bbb");
          assertAntMatch("/aaa/**", "/aaa/bbb");
          assertAntDoesNotMatch("/aaa/**", "/ccc/bbb");
          assertAntMatch("/aaa/**", "\\aaa\\bbb");
          assertAntDoesNotMatch("/aaa/**", "\\ccc\\bbb");
          assertAntDoesNotMatch("/aaa/", "\\aaa\\bbb");
      }
  
      private void assertAntDoesNotMatch(String pattern, String target) {
          assertEquals(false, SelectorUtils.matchPatternStart(wrapWithAntHandler(pattern), target));
      }
  
      private void assertAntMatch(String pattern, String target) {
          assertEquals(true, SelectorUtils.matchPatternStart(wrapWithAntHandler(pattern), target));
      }
  
      private String wrapWithAntHandler(String val) {
          return SelectorUtils.ANT_HANDLER_PREFIX + val + SelectorUtils.PATTERN_HANDLER_SUFFIX;
      }
  }