/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.logging.log4j.core;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import org.apache.logging.log4j.Level;
import org.apache.logging.log4j.LoggingException;
import org.apache.logging.log4j.core.impl.Log4jLogEvent;
import org.apache.logging.log4j.message.Message;
import org.apache.logging.log4j.message.SimpleMessage;
import org.junit.BeforeClass;
import org.junit.Ignore;
import org.junit.Test;
import static org.junit.Assert.*;
/**
*
*/
public class LogEventTest {
private static Message MESSAGE = new SimpleMessage("This is a test");
private static TestClass TESTER = new TestClass();
@Test
public void testSerialization() throws Exception {
final LogEvent event1 = Log4jLogEvent.newBuilder() //
.setLoggerName(this.getClass().getName()) //
.setLoggerFqcn("org.apache.logging.log4j.core.Logger") //
.setLevel(Level.INFO) //
.setMessage(new SimpleMessage("Hello, world!")) //
.build();
final Exception parent = new IllegalStateException("Test");
final Throwable child = new LoggingException("This is a test", parent);
final LogEvent event2 = Log4jLogEvent.newBuilder() //
.setLoggerName(this.getClass().getName()) //
.setLoggerFqcn("org.apache.logging.log4j.core.Logger") //
.setLevel(Level.INFO) //
.setMessage(new SimpleMessage("Hello, world!")) //
.setThrown(child) //
.build();
final ByteArrayOutputStream baos = new ByteArrayOutputStream();
final ObjectOutputStream oos = new ObjectOutputStream(baos);
oos.writeObject(event1);
oos.writeObject(event2);
final ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
final ObjectInputStream ois = new ObjectInputStream(bais);
try {
ois.readObject();
} catch (final IOException ioe) {
fail("Exception processing event1");
}
try {
ois.readObject();
} catch (final IOException ioe) {
fail("Exception processing event2");
}
}
@Test
public void testNanoTimeIsNotSerialized1() throws Exception {
final LogEvent event1 = Log4jLogEvent.newBuilder() //
.setLoggerName(this.getClass().getName()) //
.setLoggerFqcn("org.apache.logging.log4j.core.Logger") //
.setLevel(Level.INFO) //
.setMessage(new SimpleMessage("Hello, world!")) //
.setThreadName("this must be initialized or the test fails") //
.setNanoTime(12345678L) //
.build();
final LogEvent copy = new Log4jLogEvent.Builder(event1).build();
final ByteArrayOutputStream baos = new ByteArrayOutputStream();
final ObjectOutputStream oos = new ObjectOutputStream(baos);
oos.writeObject(event1);
final ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
final ObjectInputStream ois = new ObjectInputStream(bais);
final LogEvent actual = (LogEvent) ois.readObject();
assertNotEquals("Different event: nanoTime", copy, actual);
assertNotEquals("Different nanoTime", copy.getNanoTime(), actual.getNanoTime());
assertEquals("deserialized nanoTime is zero", 0, actual.getNanoTime());
}
@Test
public void testNanoTimeIsNotSerialized2() throws Exception {
final LogEvent event1 = Log4jLogEvent.newBuilder() //
.setLoggerName(this.getClass().getName()) //
.setLoggerFqcn("org.apache.logging.log4j.core.Logger") //
.setLevel(Level.INFO) //
.setMessage(new SimpleMessage("Hello, world!")) //
.setThreadId(1) // this must be initialized or the test fails
.setThreadName("this must be initialized or the test fails") //
.setThreadPriority(2) // this must be initialized or the test fails
.setNanoTime(0) //
.build();
final LogEvent event2 = new Log4jLogEvent.Builder(event1).build();
final ByteArrayOutputStream baos = new ByteArrayOutputStream();
final ObjectOutputStream oos = new ObjectOutputStream(baos);
oos.writeObject(event1);
final ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
final ObjectInputStream ois = new ObjectInputStream(bais);
final LogEvent actual = (LogEvent) ois.readObject();
assertEquals("both zero nanoTime", event2, actual);
}
@Test
@Ignore
public void testEquals() {
final LogEvent event1 = Log4jLogEvent.newBuilder() //
.setLoggerName(this.getClass().getName()) //
.setLoggerFqcn("org.apache.logging.log4j.core.Logger") //
.setLevel(Level.INFO) //
.setMessage(new SimpleMessage("Hello, world!")) //
.build();
final LogEvent event2 = Log4jLogEvent.newBuilder() //
.setLoggerName(this.getClass().getName()) //
.setLoggerFqcn("org.apache.logging.log4j.core.Logger") //
.setLevel(Level.INFO) //
.setMessage(new SimpleMessage("Hello, world!")) //
.build();
final LogEvent event3 = Log4jLogEvent.newBuilder() //
.setLoggerName(this.getClass().getName()) //
.setLoggerFqcn("org.apache.logging.log4j.core.Logger") //
.setLevel(Level.INFO) //
.setMessage(new SimpleMessage("Hello, world!")) //
.build();
assertNotEquals("Events should not be equal", event1, event2);
assertEquals("Events should be equal", event2, event3);
}
@Test
public void testLocation() {
StackTraceElement ste = TESTER.getEventSource(this.getClass().getName());
assertNotNull("No StackTraceElement", ste);
assertEquals("Incorrect event", this.getClass().getName(), ste.getClassName());
}
private static class TestClass {
private static final String FQCN = TestClass.class.getName();
public StackTraceElement getEventSource(String loggerName) {
final LogEvent event = Log4jLogEvent.newBuilder().setLoggerName(loggerName)
.setLoggerFqcn(FQCN).setLevel(Level.INFO).setMessage(MESSAGE).build();
event.setIncludeLocation(true);
return event.getSource();
}
}
}