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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.jdisc.core;
import org.junit.jupiter.api.Test;
import org.osgi.framework.Bundle;
import org.osgi.framework.ServiceReference;
import org.osgi.service.log.LogLevel;
import org.osgi.service.log.LogService;
import java.time.Instant;
import java.util.Enumeration;
import java.util.ResourceBundle;
import java.util.logging.Handler;
import java.util.logging.Level;
import java.util.logging.LogRecord;
import java.util.logging.Logger;
import static org.junit.jupiter.api.Assertions.assertArrayEquals;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertNotNull;
import static org.junit.jupiter.api.Assertions.assertNull;
import static org.junit.jupiter.api.Assertions.assertSame;
/**
* @author Simon Thoresen Hult
*/
public class OsgiLogHandlerTestCase {
@Test
void requireThatLogRecordsArePublishedToLogService() {
MyLogService logService = new MyLogService();
Logger log = newLogger(logService);
log.log(Level.INFO, "foo");
assertEquals(OsgiLogHandler.toServiceLevel(Level.INFO), logService.lastLevel());
assertEquals("foo", logService.lastMessage);
assertNull(logService.lastThrowable);
Throwable t = new Throwable();
log.log(Level.SEVERE, "bar", t);
assertEquals(OsgiLogHandler.toServiceLevel(Level.SEVERE), logService.lastLevel());
assertEquals("bar", logService.lastMessage);
assertEquals(t, logService.lastThrowable);
}
@Test
void requireThatStadardLogLevelsAreConverted() {
assertLogLevel(LogLevel.ERROR, Level.SEVERE);
assertLogLevel(LogLevel.WARN, Level.WARNING);
assertLogLevel(LogLevel.INFO, Level.INFO);
assertLogLevel(LogLevel.DEBUG, Level.CONFIG);
assertLogLevel(LogLevel.DEBUG, Level.FINE);
assertLogLevel(LogLevel.DEBUG, Level.FINER);
assertLogLevel(LogLevel.DEBUG, Level.FINEST);
}
@Test
void requireThatCustomLogLevelsAreConverted() {
for (int i = Level.ALL.intValue() - 69; i < Level.OFF.intValue() + 69; ++i) {
LogLevel expectedLevel;
if (i >= Level.SEVERE.intValue()) {
expectedLevel = LogLevel.ERROR;
} else if (i >= Level.WARNING.intValue()) {
expectedLevel = LogLevel.WARN;
} else if (i >= Level.INFO.intValue()) {
expectedLevel = LogLevel.INFO;
} else {
expectedLevel = LogLevel.DEBUG;
}
assertLogLevel(expectedLevel, new MyLogLevel(i));
}
}
@Test
void requireThatJdk14PropertiesAreAvailableThroughServiceReference() {
MyLogService logService = new MyLogService();
Logger log = newLogger(logService);
LogRecord record = new LogRecord(Level.INFO, "message");
record.setLoggerName("loggerName");
record.setInstant(Instant.ofEpochMilli(69));
Object[] parameters = new Object[0];
record.setParameters(parameters);
ResourceBundle resouceBundle = new MyResourceBundle();
record.setResourceBundle(resouceBundle);
record.setResourceBundleName("resourceBundleName");
record.setSequenceNumber(69);
record.setSourceClassName("sourceClassName");
record.setSourceMethodName("sourceMethodName");
record.setLongThreadID(69L);
Throwable thrown = new Throwable();
record.setThrown(thrown);
log.log(record);
ServiceReference<?> ref = logService.lastServiceReference;
assertNotNull(ref);
assertArrayEquals(new String[]{"LEVEL",
"LOGGER_NAME",
"MESSAGE",
"MILLIS",
"PARAMETERS",
"RESOURCE_BUNDLE",
"RESOURCE_BUNDLE_NAME",
"SEQUENCE_NUMBER",
"SOURCE_CLASS_NAME",
"SOURCE_METHOD_NAME",
"THREAD_ID",
"THROWN"},
ref.getPropertyKeys());
assertEquals(Level.INFO, ref.getProperty("LEVEL"));
assertEquals("loggerName", ref.getProperty("LOGGER_NAME"));
assertEquals("message", ref.getProperty("MESSAGE"));
assertEquals(69L, ref.getProperty("MILLIS"));
assertSame(parameters, ref.getProperty("PARAMETERS"));
assertSame(resouceBundle, ref.getProperty("RESOURCE_BUNDLE"));
assertEquals("resourceBundleName", ref.getProperty("RESOURCE_BUNDLE_NAME"));
assertEquals(69L, ref.getProperty("SEQUENCE_NUMBER"));
assertEquals("sourceClassName", ref.getProperty("SOURCE_CLASS_NAME"));
assertEquals("sourceMethodName", ref.getProperty("SOURCE_METHOD_NAME"));
assertEquals(69L, ref.getProperty("THREAD_ID"));
assertSame(thrown, ref.getProperty("THROWN"));
assertNull(ref.getProperty("unknown"));
}
private static void assertLogLevel(LogLevel expectedLevel, Level level) {
MyLogService logService = new MyLogService();
Logger log = newLogger(logService);
log.log(level, "message");
assertEquals(expectedLevel, logService.lastLevel());
}
@SuppressWarnings("unchecked")
private static Logger newLogger(LogService logService) {
Logger log = Logger.getAnonymousLogger();
log.setUseParentHandlers(false);
log.setLevel(Level.ALL);
for (Handler handler : log.getHandlers()) {
log.removeHandler(handler);
}
log.addHandler(new OsgiLogHandler(logService));
return log;
}
private static class MyLogLevel extends Level {
protected MyLogLevel(int val) {
super("foo", val);
}
}
@SuppressWarnings("rawtypes")
private static class MyLogService implements LogService {
ServiceReference<?> lastServiceReference;
int lastLevel;
String lastMessage;
Throwable lastThrowable;
LogLevel lastLevel() { return LogLevel.values()[lastLevel]; }
@Override @SuppressWarnings("deprecation")
public void log(int level, String message) {
log(null, level, message, null);
}
@Override @SuppressWarnings("deprecation")
public void log(int level, String message, Throwable throwable) {
log(null, level, message, throwable);
}
@Override @SuppressWarnings("deprecation")
public void log(ServiceReference serviceReference, int level, String message) {
log(serviceReference, level, message, null);
}
@Override @SuppressWarnings("deprecation")
public void log(ServiceReference serviceReference, int level, String message, Throwable throwable) {
lastServiceReference = serviceReference;
lastLevel = level;
lastMessage = message;
lastThrowable = throwable;
}
@Override public org.osgi.service.log.Logger getLogger(String s) { return null; }
@Override public org.osgi.service.log.Logger getLogger(Class<?> aClass) { return null; }
@Override public <L extends org.osgi.service.log.Logger> L getLogger(String s, Class<L> aClass) { return null; }
@Override public <L extends org.osgi.service.log.Logger> L getLogger(Class<?> aClass, Class<L> aClass1) { return null; }
@Override public <L extends org.osgi.service.log.Logger> L getLogger(Bundle bundle, String s, Class<L> aClass) { return null; }
}
private static class MyResourceBundle extends ResourceBundle {
@Override
protected Object handleGetObject(String key) {
return null;
}
@Override
public Enumeration<String> getKeys() {
return null;
}
}
}
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