/**
* Logback: the reliable, generic, fast and flexible logging framework.
* Copyright (C) 1999-2013, QOS.ch. All rights reserved.
*
* This program and the accompanying materials are dual-licensed under
* either the terms of the Eclipse Public License v1.0 as published by
* the Eclipse Foundation
*
* or (per the licensee's choosing)
*
* under the terms of the GNU Lesser General Public License version 2.1
* as published by the Free Software Foundation.
*/
package ch.qos.logback.classic.jul;
import ch.qos.logback.classic.Level;
import ch.qos.logback.classic.Logger;
import ch.qos.logback.classic.LoggerContext;
import ch.qos.logback.core.testUtil.RandomUtil;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.ExpectedException;
import static junit.framework.Assert.assertEquals;
public class LevelChangePropagatorTest {
int rand = RandomUtil.getPositiveInt();
LoggerContext loggerContext = new LoggerContext();
LevelChangePropagator levelChangePropagator = new LevelChangePropagator();
@Rule
public ExpectedException exception = ExpectedException.none();
@Before
public void setUp() {
levelChangePropagator.setContext(loggerContext);
loggerContext.addListener(levelChangePropagator);
}
void checkLevelChange(String loggerName, Level level) {
Logger logger = loggerContext.getLogger(loggerName);
logger.setLevel(level);
java.util.logging.Logger julLogger = JULHelper.asJULLogger(logger);
java.util.logging.Level julLevel = JULHelper.asJULLevel(level);
assertEquals(julLevel, julLogger.getLevel());
}
@Test
public void smoke() {
checkLevelChange("a", Level.INFO);
checkLevelChange("a.b", Level.DEBUG);
}
@Test
public void root() {
checkLevelChange(Logger.ROOT_LOGGER_NAME, Level.TRACE);
}
// see http://jira.qos.ch/browse/LBCLASSIC-256
@Test
public void gc() {
Logger logger = loggerContext.getLogger("gc"+rand);
logger.setLevel(Level.INFO);
// invoke GC so that the relevant julLogger can be garbage collected.
System.gc();
java.util.logging.Logger julLogger = JULHelper.asJULLogger(logger);
java.util.logging.Level julLevel = JULHelper.asJULLevel(Level.INFO);
assertEquals(julLevel, julLogger.getLevel());
}
@Test
public void julHelperAsJulLevelRejectsNull() {
exception.expect(IllegalArgumentException.class);
exception.expectMessage("Unexpected level [null]");
JULHelper.asJULLevel(null);
}
@Test
public void settingLevelToNullGetsParentLevel() {
// first set level of "a" (the parent) to DEBUG
Logger parent = loggerContext.getLogger("a");
parent.setLevel(Level.DEBUG);
// then set level of "a.b" (child logger of a) to null
// for b to inherit its parent's level
Logger child = loggerContext.getLogger("a.b");
child.setLevel(Level.INFO);
child.setLevel(null);
assertEquals(parent.getEffectiveLevel(), child.getEffectiveLevel());
assertEquals(Level.DEBUG, child.getEffectiveLevel());
}
}