package org.apache.maven.building;
   
   /*
    * 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.junit.Test;
  
  import java.io.File;
  import java.io.InputStream;
  import java.util.Scanner;
  
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.fail;
  
  public class FileSourceTest
  {
  
      @Test
      public void testFileSource()
      {
          try
          {
              new FileSource( null );
              fail( "Should fail, since you must specify a file" );
          }
          catch ( NullPointerException e )
          {
              assertEquals( "file cannot be null", e.getMessage() );
          }
      }
  
      @Test
      public void testGetInputStream()
          throws Exception
      {
          File txtFile = new File( "target/test-classes/source.txt" );
          FileSource source = new FileSource( txtFile );
  
          try ( InputStream is = source.getInputStream();
                Scanner scanner = new Scanner( is ) )
          {
  
              assertEquals( "Hello World!", scanner.nextLine() );
          }
      }
  
      @Test
      public void testGetLocation()
      {
          File txtFile = new File( "target/test-classes/source.txt" );
          FileSource source = new FileSource( txtFile );
          assertEquals( txtFile.getAbsolutePath(), source.getLocation() );
      }
  
      @Test
      public void testGetFile()
      {
          File txtFile = new File( "target/test-classes/source.txt" );
          FileSource source = new FileSource( txtFile );
          assertEquals( txtFile.getAbsoluteFile(), source.getFile() );
      }
  
  }