blob: 58ed7850b10cf01a8d5573d52a6155a8890c6a87 (
plain)
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
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
|
/*
* Copyright (C) 2022, Tencent.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Distribution License v. 1.0 which is available at
* https://www.eclipse.org/org/documents/edl-v10.php.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
package org.eclipse.jgit.internal.storage.io;
import static org.eclipse.jgit.internal.storage.io.CancellableDigestOutputStream.BYTES_TO_WRITE_BEFORE_CANCEL_CHECK;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertThrows;
import static org.junit.Assert.assertTrue;
import java.io.InterruptedIOException;
import org.eclipse.jgit.lib.ProgressMonitor;
import org.eclipse.jgit.util.io.NullOutputStream;
import org.junit.Test;
public class CancellableDigestOutputStreamTest {
private static class CancelledTestMonitor implements ProgressMonitor {
private boolean cancelled = false;
public void setCancelled(boolean cancelled) {
this.cancelled = cancelled;
}
@Override
public void start(int totalTasks) {
// not implemented
}
@Override
public void beginTask(String title, int totalWork) {
// not implemented
}
@Override
public void update(int completed) {
// not implemented
}
@Override
public void endTask() {
// not implemented
}
@Override
public boolean isCancelled() {
return cancelled;
}
@Override
public void showDuration(boolean enabled) {
// not implemented
}
}
@Test
public void testCancelInProcess() throws Exception {
CancelledTestMonitor m = new CancelledTestMonitor();
try (CancellableDigestOutputStream out = new CancellableDigestOutputStream(
m, NullOutputStream.INSTANCE)) {
byte[] KB = new byte[1024];
int triggerCancelWriteCnt = BYTES_TO_WRITE_BEFORE_CANCEL_CHECK
/ KB.length;
for (int i = 0; i < triggerCancelWriteCnt + 1; i++) {
out.write(KB);
}
assertTrue(out.length() > BYTES_TO_WRITE_BEFORE_CANCEL_CHECK);
m.setCancelled(true);
for (int i = 0; i < triggerCancelWriteCnt - 1; i++) {
out.write(KB);
}
long lastLength = out.length();
assertThrows(InterruptedIOException.class, () -> {
out.write(1);
});
assertEquals(lastLength, out.length());
assertThrows(InterruptedIOException.class, () -> {
out.write(new byte[1]);
});
assertEquals(lastLength, out.length());
}
}
@Test
public void testTriggerCheckAfterSingleBytes() throws Exception {
CancelledTestMonitor m = new CancelledTestMonitor();
try (CancellableDigestOutputStream out = new CancellableDigestOutputStream(
m, NullOutputStream.INSTANCE)) {
byte[] bytes = new byte[BYTES_TO_WRITE_BEFORE_CANCEL_CHECK + 1];
m.setCancelled(true);
assertThrows(InterruptedIOException.class, () -> {
out.write(bytes);
});
assertEquals(BYTES_TO_WRITE_BEFORE_CANCEL_CHECK, out.length());
}
}
}
|
