| /* |
| * 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 static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertNotNull; |
| |
| import java.lang.reflect.Field; |
| import java.util.List; |
| |
| import org.apache.commons.lang3.reflect.FieldUtils; |
| import org.apache.logging.log4j.Level; |
| import org.apache.logging.log4j.Marker; |
| import org.apache.logging.log4j.core.config.LoggerConfig; |
| import org.apache.logging.log4j.core.config.Property; |
| import org.apache.logging.log4j.core.impl.DefaultLogEventFactory; |
| import org.apache.logging.log4j.core.impl.Log4jLogEvent; |
| import org.apache.logging.log4j.core.impl.LogEventFactory; |
| import org.apache.logging.log4j.core.util.Constants; |
| import org.apache.logging.log4j.junit.LoggerContextRule; |
| import org.apache.logging.log4j.message.Message; |
| import org.apache.logging.log4j.test.appender.ListAppender; |
| import org.junit.Before; |
| import org.junit.ClassRule; |
| import org.junit.Test; |
| import org.junit.rules.RuleChain; |
| import org.junit.rules.TestRule; |
| import org.junit.runner.Description; |
| import org.junit.runners.model.Statement; |
| |
| /** |
| * |
| */ |
| public class LogEventFactoryTest { |
| |
| private static final String CONFIG = "log4j2-config.xml"; |
| private static final LoggerContextRule context = new LoggerContextRule(CONFIG); |
| |
| private ListAppender app; |
| |
| // this would look so cool using lambdas |
| @ClassRule |
| public static RuleChain chain = RuleChain.outerRule(new TestRule() { |
| @Override |
| public Statement apply(final Statement base, final Description description) { |
| return new Statement() { |
| @Override |
| public void evaluate() throws Throwable { |
| System.setProperty(Constants.LOG4J_LOG_EVENT_FACTORY, TestLogEventFactory.class.getName()); |
| resetLogEventFactory(new TestLogEventFactory()); |
| try { |
| base.evaluate(); |
| } finally { |
| System.clearProperty(Constants.LOG4J_LOG_EVENT_FACTORY); |
| resetLogEventFactory(new DefaultLogEventFactory()); |
| } |
| } |
| |
| private void resetLogEventFactory(final LogEventFactory logEventFactory) throws IllegalAccessException { |
| final Field field = FieldUtils.getField(LoggerConfig.class, "LOG_EVENT_FACTORY", true); |
| FieldUtils.removeFinalModifier(field, true); |
| FieldUtils.writeStaticField(field, logEventFactory, false); |
| } |
| }; |
| } |
| }).around(context); |
| |
| @Before |
| public void before() { |
| app = context.getListAppender("List").clear(); |
| } |
| |
| @Test |
| public void testEvent() { |
| final org.apache.logging.log4j.Logger logger = context.getLogger("org.apache.test.LogEventFactory"); |
| logger.error("error message"); |
| final List<LogEvent> events = app.getEvents(); |
| assertNotNull("No events", events); |
| assertEquals("Incorrect number of events. Expected 1, actual " + events.size(), 1, events.size()); |
| final LogEvent event = events.get(0); |
| assertEquals("TestLogEventFactory wasn't used", "Test", event.getLoggerName()); |
| } |
| |
| public static class TestLogEventFactory implements LogEventFactory { |
| |
| @Override |
| public LogEvent createEvent(final String loggerName, final Marker marker, |
| final String fqcn, final Level level, final Message data, |
| final List<Property> properties, final Throwable t) { |
| return new Log4jLogEvent("Test", marker, fqcn, level, data, properties, t); |
| } |
| } |
| } |
| |