| /* |
| * 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.geode.internal.logging; |
| |
| import static org.apache.geode.internal.logging.ProviderAgentLoader.PROVIDER_AGENT_NAME_PROPERTY; |
| import static org.assertj.core.api.Assertions.assertThat; |
| import static org.mockito.Mockito.mock; |
| |
| import org.junit.Before; |
| import org.junit.Rule; |
| import org.junit.Test; |
| import org.junit.contrib.java.lang.system.RestoreSystemProperties; |
| import org.junit.experimental.categories.Category; |
| |
| import org.apache.geode.internal.logging.ProviderAgentLoader.AvailabilityChecker; |
| import org.apache.geode.internal.logging.log4j.Log4jAgent; |
| import org.apache.geode.test.junit.categories.LoggingTest; |
| |
| /** |
| * Unit tests for {@link ProviderAgentLoader}. |
| */ |
| @Category(LoggingTest.class) |
| public class ProviderAgentLoaderTest { |
| |
| private ProviderAgentLoader providerAgentLoader; |
| |
| @Rule |
| public RestoreSystemProperties restoreSystemProperties = new RestoreSystemProperties(); |
| |
| @Before |
| public void setUp() { |
| providerAgentLoader = new ProviderAgentLoader(); |
| } |
| |
| @Test |
| public void createProviderAgent_defaultsTo_Log4jAgent() { |
| assertThat(providerAgentLoader.createProviderAgent()).isInstanceOf(Log4jAgent.class); |
| } |
| |
| @Test |
| public void createProviderAgent_usesSystemPropertySetTo_Log4jAgent() { |
| System.setProperty(PROVIDER_AGENT_NAME_PROPERTY, Log4jAgent.class.getName()); |
| |
| assertThat(providerAgentLoader.createProviderAgent()).isInstanceOf(Log4jAgent.class); |
| } |
| |
| @Test |
| public void createProviderAgent_usesSystemPropertySetTo_NullProviderAgent() { |
| System.setProperty(PROVIDER_AGENT_NAME_PROPERTY, NullProviderAgent.class.getName()); |
| |
| assertThat(providerAgentLoader.createProviderAgent()).isInstanceOf(NullProviderAgent.class); |
| } |
| |
| @Test |
| public void createProviderAgent_usesSystemPropertySetTo_SimpleProviderAgent() { |
| System.setProperty(PROVIDER_AGENT_NAME_PROPERTY, SimpleProviderAgent.class.getName()); |
| |
| assertThat(providerAgentLoader.createProviderAgent()).isInstanceOf( |
| SimpleProviderAgent.class); |
| } |
| |
| @Test |
| public void createProviderAgent_usesNullProviderAgent_whenClassNotFoundException() { |
| System.setProperty(PROVIDER_AGENT_NAME_PROPERTY, SimpleProviderAgent.class.getSimpleName()); |
| |
| assertThat(providerAgentLoader.createProviderAgent()).isInstanceOf(NullProviderAgent.class); |
| } |
| |
| @Test |
| public void createProviderAgent_usesNullProviderAgent_whenClassCastException() { |
| System.setProperty(PROVIDER_AGENT_NAME_PROPERTY, NotProviderAgent.class.getName()); |
| |
| assertThat(providerAgentLoader.createProviderAgent()).isInstanceOf(NullProviderAgent.class); |
| } |
| |
| @Test |
| public void findProviderAgent_defaultsTo_createProviderAgent() { |
| assertThat(providerAgentLoader.findProviderAgent()).isInstanceOf(Log4jAgent.class); |
| } |
| |
| @Test |
| public void isLog4jCoreAvailable_isTrue() { |
| assertThat(providerAgentLoader.isDefaultAvailable()).isTrue(); |
| } |
| |
| @Test |
| public void isLog4jCoreAvailable_usesProvidedAvailabilityChecker() { |
| providerAgentLoader = new ProviderAgentLoader(mock(AvailabilityChecker.class)); |
| |
| assertThat(providerAgentLoader.isDefaultAvailable()).isFalse(); |
| } |
| |
| @Test |
| public void createProviderAgent_usesNullProviderAgent_whenIsDefaultAvailableIsFalse() { |
| providerAgentLoader = new ProviderAgentLoader(mock(AvailabilityChecker.class)); |
| |
| assertThat(providerAgentLoader.createProviderAgent()).isInstanceOf(NullProviderAgent.class); |
| } |
| |
| static class SimpleProviderAgent implements ProviderAgent { |
| |
| @Override |
| public void configure(LogConfig logConfig, |
| LogLevelUpdateOccurs logLevelUpdateOccurs, |
| LogLevelUpdateScope logLevelUpdateScope) { |
| // nothing |
| } |
| |
| @Override |
| public void cleanup() { |
| // nothing |
| } |
| } |
| |
| @SuppressWarnings("all") |
| static class NotProviderAgent { |
| |
| } |
| } |