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