View Javadoc

1   /*
2    *  jDTAUS Core Utilities
3    *  Copyright (C) 2005 Christian Schulte
4    *  <cs@schulte.it>
5    *
6    *  This library is free software; you can redistribute it and/or
7    *  modify it under the terms of the GNU Lesser General Public
8    *  License as published by the Free Software Foundation; either
9    *  version 2.1 of the License, or any later version.
10   *
11   *  This library is distributed in the hope that it will be useful,
12   *  but WITHOUT ANY WARRANTY; without even the implied warranty of
13   *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14   *  Lesser General Public License for more details.
15   *
16   *  You should have received a copy of the GNU Lesser General Public
17   *  License along with this library; if not, write to the Free Software
18   *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
19   *
20   */
21  package org.jdtaus.core.io.util.test;
22  
23  import java.io.ByteArrayOutputStream;
24  import org.jdtaus.core.io.FileOperations;
25  import org.jdtaus.core.io.it.FileOperationsTest;
26  import org.jdtaus.core.io.util.MemoryFileOperations;
27  
28  /**
29   * Testcase for {@code MemoryFileOperations} implementations.
30   *
31   * @author <a href="mailto:cs@schulte.it">Christian Schulte</a>
32   * @version $JDTAUS: MemoryFileOperationsTest.java 8641 2012-09-27 06:45:17Z schulte $
33   */
34  public class MemoryFileOperationsTest extends FileOperationsTest
35  {
36      //--FileOperationsTest------------------------------------------------------
37  
38      public FileOperations getFileOperations()
39      {
40          return new MemoryFileOperations();
41      }
42  
43      //------------------------------------------------------FileOperationsTest--
44      //--TestCase----------------------------------------------------------------
45  
46      protected void runTest() throws Throwable
47      {
48          super.runTest();
49          this.testStreaming();
50      }
51  
52      //----------------------------------------------------------------TestCase--
53      //--MemoryFileOperationsTest------------------------------------------------
54  
55      /**
56       * Tests the {@link FileOperations#read(OutputStream)} and
57       * {@link FileOperations#write(InputStream)} methods.
58       * <p><ol>
59       * <li>Writes a testfile from an {@code InputStream} to the file, then reads
60       * the file contents into a {@code ByteArrayOutputStream} and checks
61       * that the read data matches the written data.</li>
62       * </ol></p>
63       */
64      public void testStreaming() throws Exception
65      {
66          final MemoryFileOperations ops = new MemoryFileOperations();
67          final ByteArrayOutputStream out = new ByteArrayOutputStream();
68  
69          ops.write( this.getTestFile() );
70          this.assertValidTestFile( new String( ops.getData(), "UTF-8" ) );
71          ops.read( out );
72          out.close();
73          this.assertValidTestFile( new String( out.toByteArray(), "UTF-8" ) );
74      }
75  
76      //------------------------------------------------MemoryFileOperationsTest--
77  }