| /* |
| * 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.appender; |
| |
| import org.apache.logging.log4j.Logger; |
| import org.apache.logging.log4j.core.LogEvent; |
| import org.apache.logging.log4j.core.LoggerContext; |
| import org.apache.logging.log4j.core.junit.LoggerContextSource; |
| import org.apache.logging.log4j.core.junit.Named; |
| import org.apache.logging.log4j.test.appender.FailOnceAppender; |
| import org.apache.logging.log4j.test.appender.ListAppender; |
| import org.junit.jupiter.api.AfterEach; |
| import org.junit.jupiter.api.Test; |
| |
| import java.util.List; |
| |
| import static org.junit.jupiter.api.Assertions.assertEquals; |
| import static org.junit.jupiter.api.Assertions.assertNotNull; |
| |
| @LoggerContextSource("log4j-failover.xml") |
| public class FailoverAppenderTest { |
| private final ListAppender app; |
| private final FailOnceAppender foApp; |
| private final Logger logger; |
| private final Logger onceLogger; |
| |
| public FailoverAppenderTest(final LoggerContext context, @Named("List") final ListAppender app, |
| @Named("Once") final FailOnceAppender foApp) { |
| this.app = app; |
| this.foApp = foApp; |
| logger = context.getLogger("LoggerTest"); |
| onceLogger = context.getLogger("Once"); |
| } |
| |
| @AfterEach |
| public void tearDown() throws Exception { |
| app.clear(); |
| } |
| |
| @Test |
| public void testFailover() { |
| logger.error("This is a test"); |
| List<LogEvent> events = app.getEvents(); |
| assertNotNull(events); |
| assertEquals(events.size(), 1, "Incorrect number of events. Should be 1 is " + events.size()); |
| app.clear(); |
| logger.error("This is a test"); |
| events = app.getEvents(); |
| assertNotNull(events); |
| assertEquals(events.size(), 1, "Incorrect number of events. Should be 1 is " + events.size()); |
| } |
| |
| @Test |
| public void testRecovery() throws Exception { |
| onceLogger.error("Fail once"); |
| onceLogger.error("Fail again"); |
| List<LogEvent> events = app.getEvents(); |
| assertNotNull(events); |
| assertEquals(events.size(), 2, "Incorrect number of events. Should be 2 is " + events.size()); |
| app.clear(); |
| Thread.sleep(1100); |
| onceLogger.error("Fail after recovery interval"); |
| onceLogger.error("Second log message"); |
| events = app.getEvents(); |
| assertEquals(events.size(), 0, "Did not recover"); |
| events = foApp.drainEvents(); |
| assertEquals(events.size(), 2, "Incorrect number of events in primary appender"); |
| } |
| } |