Sunny Goyal
713edfce26
The logs are kept for at max 48 hours. It uses two log files and switches between the two based on the day of the year. Change-Id: I9a99499b3445a62f29f62a5cd13db20b1783bcd3
78 lines
2.5 KiB
Java
78 lines
2.5 KiB
Java
package com.android.launcher3.logging;
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import android.test.AndroidTestCase;
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import android.test.suitebuilder.annotation.SmallTest;
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import java.io.File;
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import java.io.PrintWriter;
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import java.io.StringWriter;
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import java.util.Calendar;
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/**
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* Tests for {@link FileLog}
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*/
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@SmallTest
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public class FileLogTest extends AndroidTestCase {
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private File mTempDir;
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@Override
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protected void setUp() throws Exception {
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super.setUp();
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int count = 0;
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do {
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mTempDir = new File(getContext().getCacheDir(), "log-test-" + (count++));
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} while(!mTempDir.mkdir());
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FileLog.setDir(mTempDir);
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}
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@Override
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protected void tearDown() throws Exception {
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// Clear existing logs
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new File(mTempDir, "log-0").delete();
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new File(mTempDir, "log-1").delete();
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mTempDir.delete();
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super.tearDown();
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}
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public void testPrintLog() throws Exception {
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FileLog.print("Testing", "hoolalala");
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StringWriter writer = new StringWriter();
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FileLog.flushAll(new PrintWriter(writer));
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assertTrue(writer.toString().contains("hoolalala"));
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FileLog.print("Testing", "abracadabra", new Exception("cat! cat!"));
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writer = new StringWriter();
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FileLog.flushAll(new PrintWriter(writer));
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assertTrue(writer.toString().contains("abracadabra"));
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// Exception is also printed
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assertTrue(writer.toString().contains("cat! cat!"));
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// Old logs still present after flush
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assertTrue(writer.toString().contains("hoolalala"));
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}
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public void testOldFileTruncated() throws Exception {
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FileLog.print("Testing", "hoolalala");
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StringWriter writer = new StringWriter();
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FileLog.flushAll(new PrintWriter(writer));
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assertTrue(writer.toString().contains("hoolalala"));
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Calendar threeDaysAgo = Calendar.getInstance();
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threeDaysAgo.add(Calendar.HOUR, -72);
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new File(mTempDir, "log-0").setLastModified(threeDaysAgo.getTimeInMillis());
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new File(mTempDir, "log-1").setLastModified(threeDaysAgo.getTimeInMillis());
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FileLog.print("Testing", "abracadabra", new Exception("cat! cat!"));
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writer = new StringWriter();
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FileLog.flushAll(new PrintWriter(writer));
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assertTrue(writer.toString().contains("abracadabra"));
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// Exception is also printed
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assertTrue(writer.toString().contains("cat! cat!"));
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// Old logs have been truncated
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assertFalse(writer.toString().contains("hoolalala"));
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}
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}
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