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
|
package com.android.launcher3.logging;
import android.support.test.InstrumentationRegistry;
import android.support.test.filters.SmallTest;
import android.support.test.runner.AndroidJUnit4;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import java.io.File;
import java.io.PrintWriter;
import java.io.StringWriter;
import java.util.Calendar;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
/**
* Tests for {@link FileLog}
*/
@SmallTest
@RunWith(AndroidJUnit4.class)
public class FileLogTest {
private File mTempDir;
@Before
public void setUp() throws Exception {
int count = 0;
do {
mTempDir = new File(InstrumentationRegistry.getTargetContext().getCacheDir(),
"log-test-" + (count++));
} while(!mTempDir.mkdir());
FileLog.setDir(mTempDir);
}
@After
public void tearDown() throws Exception {
// Clear existing logs
new File(mTempDir, "log-0").delete();
new File(mTempDir, "log-1").delete();
mTempDir.delete();
}
@Test
public void testPrintLog() throws Exception {
if (!FileLog.ENABLED) {
return;
}
FileLog.print("Testing", "hoolalala");
StringWriter writer = new StringWriter();
FileLog.flushAll(new PrintWriter(writer));
assertTrue(writer.toString().contains("hoolalala"));
FileLog.print("Testing", "abracadabra", new Exception("cat! cat!"));
writer = new StringWriter();
FileLog.flushAll(new PrintWriter(writer));
assertTrue(writer.toString().contains("abracadabra"));
// Exception is also printed
assertTrue(writer.toString().contains("cat! cat!"));
// Old logs still present after flush
assertTrue(writer.toString().contains("hoolalala"));
}
@Test
public void testOldFileTruncated() throws Exception {
if (!FileLog.ENABLED) {
return;
}
FileLog.print("Testing", "hoolalala");
StringWriter writer = new StringWriter();
FileLog.flushAll(new PrintWriter(writer));
assertTrue(writer.toString().contains("hoolalala"));
Calendar threeDaysAgo = Calendar.getInstance();
threeDaysAgo.add(Calendar.HOUR, -72);
new File(mTempDir, "log-0").setLastModified(threeDaysAgo.getTimeInMillis());
new File(mTempDir, "log-1").setLastModified(threeDaysAgo.getTimeInMillis());
FileLog.print("Testing", "abracadabra", new Exception("cat! cat!"));
writer = new StringWriter();
FileLog.flushAll(new PrintWriter(writer));
assertTrue(writer.toString().contains("abracadabra"));
// Exception is also printed
assertTrue(writer.toString().contains("cat! cat!"));
// Old logs have been truncated
assertFalse(writer.toString().contains("hoolalala"));
}
}
|
