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/*-
* ============LICENSE_START=======================================================
* feature-eelf
* ================================================================================
* Copyright (C) 2017-2019 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* Licensed 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.
* ============LICENSE_END=========================================================
*/
package org.onap.policy.drools.eelf.test;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import ch.qos.logback.classic.LoggerContext;
import com.att.eelf.configuration.Configuration;
import com.att.eelf.configuration.EELFLogger;
import com.att.eelf.configuration.EELFLogger.Level;
import com.att.eelf.configuration.EELFManager;
import java.util.ArrayList;
import java.util.List;
import org.junit.Test;
import org.onap.policy.common.logging.flexlogger.FlexLogger;
import org.onap.policy.drools.eelf.EelfFeature;
import org.onap.policy.drools.system.PolicyEngineConstants;
import org.onap.policy.drools.utils.logging.LoggerUtil;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Logger Tests.
*/
public class EElfTest {
/**
* logback configuration location.
*/
public static final String LOGBACK_CONFIGURATION_FILE_DEFAULT = "src/main/feature/config/logback-eelf.xml";
/**
* SLF4J Logger.
*/
private final Logger slf4jLogger = LoggerFactory.getLogger(EElfTest.class);
/**
* Get all loggers.
*
* @return list of all loggers
*/
protected List<String> loggers() {
List<String> loggers = new ArrayList<String>();
LoggerContext context =
(LoggerContext) org.slf4j.LoggerFactory.getILoggerFactory();
for (org.slf4j.Logger logger: context.getLoggerList()) {
loggers.add(logger.getName());
}
slf4jLogger.info(loggers.toString());
return loggers;
}
/**
* Assert Log Levels are the same between an EELF Logger and an SLF4J Logger.
*
* @param eelfLogger EELF Logger
* @param slf4jLogger SLF4J Logger
*/
protected void assertLogLevels(EELFLogger eelfLogger, Logger slf4jLogger) {
assertTrue(slf4jLogger.isDebugEnabled() == eelfLogger.isDebugEnabled());
assertTrue(slf4jLogger.isInfoEnabled() == eelfLogger.isInfoEnabled());
assertTrue(slf4jLogger.isErrorEnabled() == eelfLogger.isErrorEnabled());
assertTrue(slf4jLogger.isWarnEnabled() == eelfLogger.isWarnEnabled());
assertTrue(slf4jLogger.isTraceEnabled() == eelfLogger.isTraceEnabled());
}
@Test
public void slf4jLog() {
/* standard slf4j using defaults */
slf4jLogger.info("slf4j info");
List<String> loggers = loggers();
assertFalse(loggers.contains(Configuration.DEBUG_LOGGER_NAME));
assertFalse(loggers.contains(Configuration.AUDIT_LOGGER_NAME));
assertFalse(loggers.contains(Configuration.ERROR_LOGGER_NAME));
assertFalse(loggers.contains(Configuration.METRICS_LOGGER_NAME));
/* set logback configuration */
System.setProperty(LoggerUtil.LOGBACK_CONFIGURATION_FILE_SYSTEM_PROPERTY,
LOGBACK_CONFIGURATION_FILE_DEFAULT);
/* set up eelf throuth common loggings library */
EelfFeature feature = new EelfFeature();
feature.beforeBoot(PolicyEngineConstants.getManager(), null);
loggers = loggers();
assertTrue(loggers.contains(Configuration.DEBUG_LOGGER_NAME));
assertTrue(loggers.contains(Configuration.AUDIT_LOGGER_NAME));
assertTrue(loggers.contains(Configuration.ERROR_LOGGER_NAME));
assertTrue(loggers.contains(Configuration.METRICS_LOGGER_NAME));
final EELFLogger eelfAuditLogger = EELFManager.getInstance().getAuditLogger();
final Logger slf4jAuditLogger = org.slf4j.LoggerFactory.getLogger(Configuration.AUDIT_LOGGER_NAME);
org.onap.policy.common.logging.flexlogger.Logger flexLogger =
FlexLogger.getLogger(EElfTest.class, true);
/* generate an error entry */
Exception testException = new IllegalStateException("exception test");
flexLogger.error("flex-logger exception", testException);
EELFManager.getInstance().getErrorLogger().error("eelf-logger exception", testException);
org.slf4j.LoggerFactory.getLogger(Configuration.ERROR_LOGGER_NAME).error("slf4j-logger", testException);
/* generate an audit entry through all logs */
flexLogger.audit("flexlogger audit");
eelfAuditLogger.info("eelf audit");
slf4jAuditLogger.info("slf4j audit");
/* check log levels in eelf and standard slf4j change in both directions */
/* eelf initiated */
eelfAuditLogger.setLevel(Level.ERROR);
assertLogLevels(eelfAuditLogger, slf4jAuditLogger);
/* slf4j initiated */
((ch.qos.logback.classic.Logger) slf4jLogger).setLevel((ch.qos.logback.classic.Level.INFO));
assertLogLevels(eelfAuditLogger, slf4jAuditLogger);
}
}
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