/*
    * 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.building;
  
  import java.io.File;
  import java.io.InputStream;
  import java.util.Scanner;
  
  import org.junit.Test;
  
  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());
      }
  }