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package com.android.launcher3.logging;
import android.test.AndroidTestCase;
import android.test.suitebuilder.annotation.SmallTest;
import java.io.File;
import java.io.PrintWriter;
import java.io.StringWriter;
import java.util.Calendar;
/**
* Tests for {@link FileLog}
*/
@SmallTest
public class FileLogTest extends AndroidTestCase {
private File mTempDir;
@Override
protected void setUp() throws Exception {
super.setUp();
int count = 0;
do {
mTempDir = new File(getContext().getCacheDir(), "log-test-" + (count++));
} while(!mTempDir.mkdir());
FileLog.setDir(mTempDir);
}
@Override
protected void tearDown() throws Exception {
// Clear existing logs
new File(mTempDir, "log-0").delete();
new File(mTempDir, "log-1").delete();
mTempDir.delete();
super.tearDown();
}
public void testPrintLog() throws Exception {
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"));
}
public void testOldFileTruncated() throws Exception {
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"));
}
}
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