/*
    * 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.model.fileset.mappers;
  
  import org.apache.maven.shared.model.fileset.Mapper;
  import org.junit.jupiter.api.Test;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertNotNull;
  import static org.junit.jupiter.api.Assertions.assertNull;
  
  /**
   * A test-case for the MapperUtil.
   */
  public class MapperUtilTest {
      @Test
      void getFileNameMapperShouldReturnNull() throws MapperException {
          assertNull(MapperUtil.getFileNameMapper(null));
      }
  
      @Test
      void getFileNameMapperShouldReturnIdentityMapper() throws MapperException {
          Mapper mapper = new Mapper();
          FileNameMapper fileNameMapper = MapperUtil.getFileNameMapper(mapper);
          assertNotNull(fileNameMapper);
          assertEquals("/var/some-file.text", fileNameMapper.mapFileName("/var/some-file.text"));
      }
  
      @Test
      void getFileNameMapperShouldFileNameMapperType() throws MapperException {
          // check with FileNameMapper type
          Mapper mapper = new Mapper();
          mapper.setType("glob");
          mapper.setFrom("*.java");
          mapper.setTo("*.class");
          FileNameMapper fileNameMapper = MapperUtil.getFileNameMapper(mapper);
          assertNotNull(fileNameMapper);
          assertEquals("/var/SomeClasses.class", fileNameMapper.mapFileName("/var/SomeClasses.java"));
      }
  
      @Test
      void testGetFileNameMapper() throws MapperException {
          Mapper mapper = new Mapper();
          mapper.setType("glob");
          mapper.setFrom("*.java");
          mapper.setTo("*.class");
  
          FileNameMapper fileNameMapper = MapperUtil.getFileNameMapper(mapper);
          assertNotNull(fileNameMapper);
          assertEquals("/var/SomeClasses.class", fileNameMapper.mapFileName("/var/SomeClasses.java"));
      }
  }