001 /**
002 Licensed to the Apache Software Foundation (ASF) under one or more
003 contributor license agreements. See the NOTICE file distributed with
004 this work for additional information regarding copyright ownership.
005 The ASF licenses this file to You under the Apache License, Version 2.0
006 (the "License"); you may not use this file except in compliance with
007 the License. You may obtain a copy of the License at
008
009 http://www.apache.org/licenses/LICENSE-2.0
010
011 Unless required by applicable law or agreed to in writing, software
012 distributed under the License is distributed on an "AS IS" BASIS,
013 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 See the License for the specific language governing permissions and
015 limitations under the License.
016 */
017 package org.apache.commons.inject.impl;
018
019 import java.util.ArrayList;
020 import java.util.List;
021
022 import org.apache.commons.inject.api.CommonsInject;
023 import org.apache.commons.inject.api.IInjector;
024 import org.apache.commons.inject.api.ILifecycleController;
025 import org.apache.commons.inject.api.Log4jLoggerModule;
026 import org.apache.commons.inject.api.PostConstructModule;
027 import org.apache.commons.inject.api.bind.IBinder;
028 import org.apache.commons.inject.api.bind.IModule;
029 import org.apache.commons.inject.api.bind.Scopes;
030 import org.apache.log4j.AppenderSkeleton;
031 import org.apache.log4j.BasicConfigurator;
032 import org.apache.log4j.Level;
033 import org.apache.log4j.Logger;
034 import org.apache.log4j.spi.LoggingEvent;
035 import org.junit.Assert;
036 import org.junit.Test;
037
038 public class Log4jLoggerModuleTest {
039 private final List<String> messages = new ArrayList<String>();
040 private void configureLog4j() {
041 BasicConfigurator.configure();
042 final Logger root = Logger.getRootLogger();
043 root.removeAllAppenders();
044 root.addAppender(new AppenderSkeleton(true) {
045
046 @Override
047 public boolean requiresLayout() {
048 return false;
049 }
050
051 @Override
052 public void close() {
053 // Does nothing.
054 }
055
056 @Override
057 protected void append(LoggingEvent pEvent) {
058 final Level level = pEvent.getLevel();
059 messages.add(level.toString() + "; " + pEvent.getMessage());
060 }
061 });
062 }
063
064 @Test
065 public void testLoggerModule() {
066 configureLog4j();
067 final PostConstructModule module0 = new PostConstructModule();
068 final IModule module1 = new Log4jLoggerModule();
069 final IModule module2 = new IModule(){
070 @Override
071 public void configure(IBinder pBinder) {
072 pBinder.bind(InitializableObject.class).scope(Scopes.PER_CALL);
073 }
074 };
075 final ILifecycleController controller = module0.getLifecycleController();
076 final IInjector injector = CommonsInject.build(module0, module1, module2);
077 final InitializableObject io = injector.getInstance(InitializableObject.class);
078 controller.start();
079 io.run();
080 controller.shutdown();
081 Assert.assertEquals(5, messages.size());
082 Assert.assertEquals("DEBUG; start: ->", messages.get(0));
083 Assert.assertEquals("DEBUG; start: <-", messages.get(1));
084 Assert.assertEquals("DEBUG; run: Running", messages.get(2));
085 Assert.assertEquals("DEBUG; shutdown: ->", messages.get(3));
086 Assert.assertEquals("DEBUG; shutdown: <-", messages.get(4));
087 }
088 }