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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.logserver.handlers.archive;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.TemporaryFolder;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.assertFalse;
/**
* @author Arne Juul
*/
public class FilesArchivedTestCase {
@Rule
public TemporaryFolder temporaryFolder = new TemporaryFolder();
File tmpDir;
private void makeLogfile(String name, long hours) throws IOException {
File f = new File(tmpDir, name);
f.getParentFile().mkdirs();
new FileWriter(f).write("foo bar baz\n");
long now = System.currentTimeMillis();
f.setLastModified(now - (hours * 3600 * 1000));
}
void checkExist(String name) {
assertTrue(new File(tmpDir, name).isFile());
}
void checkNoExist(String name) {
assertFalse(new File(tmpDir, name).isFile());
}
@Test
public void testMaintenance() throws java.io.IOException {
tmpDir = temporaryFolder.newFolder();
makeLogfile("foo/bar", 35*24); // non-matching file
makeLogfile("2018/11/20/13-0", 35*24);
makeLogfile("2018/11/21/13-0", 34*24);
makeLogfile("2018/12/28/13-0", 3*24);
makeLogfile("2018/12/29/13-0", 2*24);
makeLogfile("2018/12/30/13-0", 1*24);
makeLogfile("2018/12/31/14-0", 3);
makeLogfile("2018/12/31/16-0", 1);
makeLogfile("2018/12/31/17-0", 0);
dumpFiles("before archive maintenance");
FilesArchived a = new FilesArchived(tmpDir, "zstd");
dumpFiles("also before archive maintenance");
checkExist("foo/bar");
checkExist("2018/11/20/13-0");
checkExist("2018/11/21/13-0");
checkExist("2018/12/28/13-0");
checkExist("2018/12/29/13-0");
checkExist("2018/12/30/13-0");
checkExist("2018/12/31/14-0");
checkExist("2018/12/31/16-0");
checkExist("2018/12/31/17-0");
checkNoExist("2018/11/20/13-0.zst");
checkNoExist("2018/11/21/13-0.zst");
checkNoExist("2018/12/28/13-0.zst");
checkNoExist("2018/12/29/13-0.zst");
checkNoExist("2018/12/30/13-0.zst");
checkNoExist("2018/12/31/14-0.zst");
checkNoExist("2018/12/31/16-0.zst");
checkNoExist("2018/12/31/17-0.zst");
a.maintenance();
dumpFiles("after archive maintenance");
checkExist("foo/bar");
checkExist("2018/12/31/17-0");
checkExist("2018/12/31/16-0");
checkExist("2018/12/31/14-0.zst");
checkExist("2018/12/28/13-0.zst");
checkExist("2018/12/29/13-0.zst");
checkExist("2018/12/30/13-0.zst");
checkNoExist("2018/12/31/17-0.zst");
checkNoExist("2018/12/31/16-0.zst");
checkNoExist("2018/12/31/14-0");
checkNoExist("2018/12/28/13-0");
checkNoExist("2018/12/29/13-0");
checkNoExist("2018/12/30/13-0");
checkNoExist("2018/11/20/13-0");
checkNoExist("2018/11/20/13-0.zst");
checkNoExist("2018/11/21/13-0");
checkNoExist("2018/11/21/13-0.zst");
makeLogfile("2018/12/31/16-0", 3);
makeLogfile("2018/12/31/17-0", 3);
makeLogfile("2018/12/31/17-1", 1);
makeLogfile("2018/12/31/17-2", 0);
dumpFiles("before second archive maintenance");
a.maintenance();
dumpFiles("after second archive maintenance");
checkExist("2018/12/31/17-2");
checkExist("2018/12/31/17-1");
checkExist("2018/12/31/16-0.zst");
checkExist("2018/12/31/17-0.zst");
checkNoExist("2018/12/31/16-0");
checkNoExist("2018/12/31/17-0");
checkExist("foo/bar");
}
private void dumpFiles(String header) {
System.out.println(">>> " + header + " >>> :");
List<String> seen = scanDir(tmpDir);
seen.sort(null);
for (String s : seen) {
System.err.println(" " + s);
}
System.out.println("<<< " + header + " <<<");
}
private static List<String> scanDir(File top) {
List<String> retval = new ArrayList<>();
String[] names = top.list();
if (names != null) {
for (String name : names) {
File sub = new File(top, name);
if (sub.isFile()) {
retval.add(sub.toString());
} else if (sub.isDirectory()) {
for (String subFile : scanDir(sub)) {
retval.add(subFile);
}
}
}
}
return retval;
}
}
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