Java tutorial
/* * Copyright (c) 2007-2015 Concurrent, Inc. All Rights Reserved. * * Project and contact information: http://www.cascading.org/ * * This file is part of the Cascading project. * * 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. */ package cascading.flow.hadoop; import cascading.flow.hadoop.util.HadoopUtil; import cascading.util.Util; import org.apache.hadoop.conf.Configuration; import org.junit.Test; import static org.junit.Assert.assertEquals; /** * */ public class UtilHadoopTest { @Test public void testSetLogLevel() { Configuration jobConf = new Configuration(); jobConf.set("log4j.logger", "cascading=DEBUG"); HadoopUtil.initLog4j(jobConf); Object loggerObject = Util.invokeStaticMethod("org.apache.log4j.Logger", "getLogger", new Object[] { "cascading" }, new Class[] { String.class }); Object levelObject = Util.invokeStaticMethod("org.apache.log4j.Level", "toLevel", new Object[] { "DEBUG" }, new Class[] { String.class }); Object returnedLevel = Util.invokeInstanceMethod(loggerObject, "getLevel", new Object[] {}, new Class[] {}); assertEquals(levelObject, returnedLevel); } }