1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
|
// Copyright 2015 The Bazel Authors. All rights reserved.
//
// Licensed 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 com.google.devtools.build.lib.shell;
import static com.google.common.truth.Truth.assertThat;
import static org.junit.Assert.assertEquals;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
import java.util.logging.Level;
import java.util.logging.Logger;
/**
* Tests {@link LogUtil#toTruncatedString}.
*/
/*
* Note: The toTruncatedString method uses the platform encoding intentionally,
* so the unittest does to. Check out the comment in the implementation in
* case you're wondering why.
*/
@RunWith(JUnit4.class)
public class ToTruncatedStringTest {
@Before
public void setUp() throws Exception {
// enable all log statements to ensure there are no problems with
// logging code
Logger.getLogger("com.google.devtools.build.lib.shell.Command").setLevel(Level.FINEST);
}
@Test
public void testTruncatingNullYieldsEmptyString() {
assertThat(LogUtil.toTruncatedString(null)).isEmpty();
}
@Test
public void testTruncatingEmptyArrayYieldsEmptyString() {
assertThat(LogUtil.toTruncatedString(new byte[0])).isEmpty();
}
@Test
public void testTruncatingSampleArrayYieldsTruncatedString() {
String sampleInput = "Well, there could be a lot of output, but we want " +
"to produce a useful log. A log is useful if it contains the " +
"interesting information (like what the command was), and maybe " +
"some of the output. However, too much is too much, so we just " +
"cut it after 150 bytes ...";
String expectedOutput = "Well, there could be a lot of output, but we " +
"want to produce a useful log. A log is useful if it contains " +
"the interesting information (like what the c[... truncated. " +
"original size was 261 bytes.]";
assertEquals(expectedOutput,
LogUtil.toTruncatedString(sampleInput.getBytes()));
}
@Test
public void testTruncatingHelloWorldYieldsHelloWorld() {
String helloWorld = "Hello, world.";
assertEquals(helloWorld, LogUtil.toTruncatedString(helloWorld.getBytes()));
}
}
|
