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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.log;
import org.junit.Test;
import java.io.File;
import java.io.IOException;
import java.io.RandomAccessFile;
import java.nio.charset.StandardCharsets;
import java.util.logging.Level;
import java.util.logging.Logger;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;
/**
* @author Ulf Lilleengen
* @since 5.1
*/
@SuppressWarnings({"deprecation"})
public class VespaLevelControllerRepoTest {
static int findControlString(RandomAccessFile f, String s) {
try {
String toFind = "\n." + s + ": ";
byte[] contents = new byte[(int) f.length()];
f.seek(0);
f.read(contents);
f.seek(0);
String c_as_s = new String(contents, StandardCharsets.US_ASCII);
int off = c_as_s.indexOf(toFind);
if (off < 0) {
System.err.println("did not find control line for level '"+s+"' in logcontrol file:");
System.err.println(c_as_s);
throw new RuntimeException("bad state in logcontrol file");
}
off += toFind.length();
while ((off % 4) != 0) ++off;
return off;
} catch (IOException e) {
throw new RuntimeException("problem reading logcontrol file", e);
}
}
@Test
public void testLogCtl () throws InterruptedException, IOException {
File lcf = new File("./my-testilol-config-id.logcontrol");
try {
lcf.delete();
Logger.getLogger("com.yahoo.log.test").setLevel(null);
assertNull(Logger.getLogger("com.yahoo.log.test").getLevel());
LevelControllerRepo repo = new VespaLevelControllerRepo(lcf.getName(), "all -debug -spam", "TST");
long timeout = System.currentTimeMillis() + 60000;
while (System.currentTimeMillis() < timeout) {
if (Level.CONFIG == Logger.getLogger("com.yahoo.log.test").getLevel())
break;
Thread.sleep(100);
}
RandomAccessFile lcfile = new RandomAccessFile(lcf, "rw");
lcfile.seek(VespaLevelControllerRepo.controlFileHeaderLength+1);
assertEquals(lcfile.readByte(), '\n');
lcfile.seek(VespaLevelControllerRepo.controlFileHeaderLength+2);
assertEquals(lcfile.readByte(), 'd');
lcfile.seek(VespaLevelControllerRepo.controlFileHeaderLength+2 + 7);
assertEquals(lcfile.readByte(), ':');
assertEquals(0, (VespaLevelControllerRepo.controlFileHeaderLength+13) % 4);
lcfile.seek(VespaLevelControllerRepo.controlFileHeaderLength + 13);
assertEquals(0x20204f4e, lcfile.readInt());
int off = findControlString(lcfile, "com.yahoo.log.test");
lcfile.seek(off);
assertEquals(0x20204f4e, lcfile.readInt());
assertEquals(0x20204f4e, lcfile.readInt());
assertEquals(0x20204f4e, lcfile.readInt());
assertEquals(0x20204f4e, lcfile.readInt());
assertEquals(0x20204f4e, lcfile.readInt());
assertEquals(0x20204f4e, lcfile.readInt());
assertEquals(0x204f4646, lcfile.readInt());
assertEquals(0x204f4646, lcfile.readInt());
lcfile.seek(off);
lcfile.writeInt(0x204f4646);
lcfile.writeInt(0x204f4646);
lcfile.writeInt(0x204f4646);
lcfile.writeInt(0x204f4646);
lcfile.writeInt(0x204f4646);
lcfile.writeInt(0x204f4646);
lcfile.writeInt(0x20204f4e);
lcfile.writeInt(0x20204f4e);
lcfile.close();
assertFalse(repo.getLevelController("com.yahoo.log.test").shouldLog(LogLevel.FATAL));
assertFalse(repo.getLevelController("com.yahoo.log.test").shouldLog(LogLevel.ERROR));
assertFalse(repo.getLevelController("com.yahoo.log.test").shouldLog(LogLevel.WARNING));
assertFalse(repo.getLevelController("com.yahoo.log.test").shouldLog(LogLevel.INFO));
assertFalse(repo.getLevelController("com.yahoo.log.test").shouldLog(LogLevel.EVENT));
assertFalse(repo.getLevelController("com.yahoo.log.test").shouldLog(LogLevel.CONFIG));
assertTrue(repo.getLevelController("com.yahoo.log.test").shouldLog(LogLevel.DEBUG));
assertTrue(repo.getLevelController("com.yahoo.log.test").shouldLog(LogLevel.SPAM));
} finally {
lcf.delete();
}
}
}
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