package org.codehaus.gmavenplus.util;
   
   import org.junit.Test;
   
   import java.io.*;
   
   import static org.junit.Assert.assertEquals;
   import static org.mockito.Mockito.doThrow;
   import static org.mockito.Mockito.mock;
  
  
  /**
   * Unit tests for the FileUtils class.
   *
   * @author Keegan Witt
   */
  public class FileUtilsTest {
      private static final IOException ioException = new IOException("Intentionally blowing up.");
  
      @Test
      public void testGetFileExtension() {
          assertEquals("gz", FileUtils.getFileExtension("foo.tar.gz"));
      }
  
      @Test
      public void testGetNameWithoutExtension() {
          assertEquals("foo.tar", FileUtils.getNameWithoutExtension("foo.tar.gz"));
      }
  
      @Test
      public void testCloseInputStreamQuietly() throws Exception {
          InputStream inputStream = mock(InputStream.class);
          doThrow(ioException).when(inputStream).close();
          FileUtils.closeQuietly(inputStream);
      }
  
      @Test
      public void testCloseOutputStreamQuietly() throws Exception {
          OutputStream outputStream = mock(OutputStream.class);
          doThrow(ioException).when(outputStream).close();
          FileUtils.closeQuietly(outputStream);
      }
  
      @Test
      public void testCloseReaderQuietly() throws Exception {
          Reader reader = mock(Reader.class);
          doThrow(ioException).when(reader).close();
          FileUtils.closeQuietly(reader);
      }
  
      @Test
      public void testCloseWriterQuietly() throws Exception {
          Writer writer = mock(Writer.class);
          doThrow(ioException).when(writer).close();
          FileUtils.closeQuietly(writer);
      }
  
  }