1 package org.apache.maven.shared.release.exec;
2
3 /*
4 * Licensed to the Apache Software Foundation (ASF) under one
5 * or more contributor license agreements. See the NOTICE file
6 * distributed with this work for additional information
7 * regarding copyright ownership. The ASF licenses this file
8 * to you under the Apache License, Version 2.0 (the
9 * "License"); you may not use this file except in compliance
10 * with the License. You may obtain a copy of the License at
11 *
12 * http://www.apache.org/licenses/LICENSE-2.0
13 *
14 * Unless required by applicable law or agreed to in writing,
15 * software distributed under the License is distributed on an
16 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17 * KIND, either express or implied. See the License for the
18 * specific language governing permissions and limitations
19 * under the License.
20 */
21
22 import junit.framework.TestCase;
23
24 import java.io.ByteArrayOutputStream;
25 import java.io.PrintStream;
26
27 /**
28 * Test the output stream that tees output both to a stream and into an internal buffer for later.
29 *
30 * @author Benjamin Bentmann
31 * @version $Id: TeeOutputStreamTest.java 735346 2009-01-17 22:33:36Z bentmann $
32 */
33 public class TeeOutputStreamTest
34 extends TestCase
35 {
36 private TeeOutputStream stream;
37
38 private ByteArrayOutputStream out;
39
40 private static final String LS = System.getProperty( "line.separator" );
41
42 protected void setUp()
43 throws Exception
44 {
45 super.setUp();
46
47 out = new ByteArrayOutputStream();
48 stream = new TeeOutputStream( new PrintStream( out ), "xxx " );
49 }
50
51 public void testConsumeLine()
52 throws Exception
53 {
54 stream.write( ( "the first line" + LS + "line2" + LS + "3" + LS ).getBytes() );
55
56 assertEquals( "Check output", "xxx the first line" + LS + "xxx line2" + LS + "xxx 3" + LS, out.toString() );
57
58 assertEquals( "Check content", "the first line" + LS + "line2" + LS + "3" + LS, stream.getContent() );
59
60 assertEquals( "Check toString", "the first line" + LS + "line2" + LS + "3" + LS, stream.toString() );
61 }
62 }