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/**
*
* Copyright 2005 The Apache Software Foundation or its licensors, as applicable.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.tuscany.common.monitor.impl;
import java.util.ArrayList;
import java.util.List;
import java.util.Properties;
import java.util.logging.Handler;
import java.util.logging.Level;
import java.util.logging.LogRecord;
import java.util.logging.Logger;
import junit.framework.TestCase;
import org.apache.tuscany.common.monitor.MonitorFactory;
import org.apache.tuscany.common.monitor.LogLevel;
/**
* Test case for the JavaLoggingMonitorFactory.
*
* @version $Rev$ $Date$
*/
public class JavaLoggingTestCase extends TestCase {
private static final Logger logger = Logger.getLogger(Monitor.class.getName());
private static final MockHandler handler = new MockHandler();
private MonitorFactory factory;
/**
* Smoke test to ensure the logger is working.
*/
public void testLogger() {
logger.info("test");
assertEquals(1, handler.logs.size());
}
/**
* Test that no record is logged.
*/
public void testUnloggedEvent() {
Monitor mon = factory.getMonitor(Monitor.class);
mon.eventNotToLog();
assertEquals(0, handler.logs.size());
}
/**
* Test the correct record is written for an event with no arguments.
*/
public void testEventWithNoArgs() {
Monitor mon = factory.getMonitor(Monitor.class);
mon.eventWithNoArgs();
assertEquals(1, handler.logs.size());
LogRecord record = handler.logs.get(0);
assertEquals(Level.INFO, record.getLevel());
assertEquals(logger.getName(), record.getLoggerName());
assertEquals(Monitor.class.getName() + "#eventWithNoArgs", record.getMessage());
}
/**
* Test the correct record is written for an event defined by annotation.
*/
public void testEventWithAnnotation() {
Monitor mon = factory.getMonitor(Monitor.class);
mon.eventWithAnnotation();
assertEquals(1, handler.logs.size());
LogRecord record = handler.logs.get(0);
assertEquals(Level.INFO, record.getLevel());
assertEquals(logger.getName(), record.getLoggerName());
assertEquals(Monitor.class.getName() + "#eventWithAnnotation", record.getMessage());
}
/**
* Test a Throwable is logged when passed to an event.
*/
public void testEventWithThrowable() {
Exception e = new Exception();
Monitor mon = factory.getMonitor(Monitor.class);
mon.eventWithThrowable(e);
assertEquals(1, handler.logs.size());
LogRecord record = handler.logs.get(0);
assertEquals(Level.WARNING, record.getLevel());
assertEquals(logger.getName(), record.getLoggerName());
assertEquals(Monitor.class.getName() + "#eventWithThrowable", record.getMessage());
assertSame(e, record.getThrown());
}
/**
* Test the argument is logged.
*/
public void testEventWithOneArg() {
Monitor mon = factory.getMonitor(Monitor.class);
mon.eventWithOneArg("ARG");
assertEquals(1, handler.logs.size());
LogRecord record = handler.logs.get(0);
assertEquals(Monitor.class.getName() + "#eventWithOneArg", record.getMessage());
}
protected void setUp() throws Exception {
super.setUp();
logger.setUseParentHandlers(false);
logger.addHandler(handler);
handler.flush();
String sourceClass = Monitor.class.getName();
Properties levels = new Properties();
levels.setProperty(sourceClass + "#eventWithNoArgs", "INFO");
levels.setProperty(sourceClass + "#eventWithOneArg", "INFO");
levels.setProperty(sourceClass + "#eventWithThrowable", "WARNING");
factory = new JavaLoggingMonitorFactory(levels, Level.FINE, "TestMessages");
}
protected void tearDown() throws Exception {
logger.removeHandler(handler);
handler.flush();
super.tearDown();
}
/**
* Mock log handler to capture records.
*/
public static class MockHandler extends Handler {
List<LogRecord> logs = new ArrayList<LogRecord>();
public void publish(LogRecord record) {
logs.add(record);
}
public void flush() {
logs.clear();
}
public void close() throws SecurityException {
}
}
@SuppressWarnings({"JavaDoc"})
public static interface Monitor {
void eventNotToLog();
void eventWithNoArgs();
void eventWithOneArg(String msg);
void eventWithThrowable(Exception e);
@LogLevel("INFO")
void eventWithAnnotation();
}
}
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