| /** |
| * 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.hadoop.mapred; |
| |
| import org.apache.hadoop.mapred.UtilsForTests.FakeClock; |
| |
| import junit.framework.TestCase; |
| |
| /** |
| * Test {@link JobTracker} w.r.t config parameters. |
| */ |
| public class TestJobTrackerStart extends TestCase { |
| |
| public void testJobTrackerStartConfig() throws Exception { |
| JobConf conf = new JobConf(); |
| conf = MiniMRCluster.configureJobConf(conf, "file:///", 0, 0, null); |
| |
| // test JobTracker's default clock |
| Clock c = JobTracker.getClock(); |
| assertNotNull(c); |
| assertEquals(c, JobTracker.DEFAULT_CLOCK); |
| |
| // test with default values |
| JobTracker jt = JobTracker.startTracker(conf); |
| c = JobTracker.getClock(); |
| // test clock |
| assertNotNull(c); |
| assertEquals(c, JobTracker.DEFAULT_CLOCK); |
| // test identifier |
| assertEquals(12, jt.getTrackerIdentifier().length()); // correct upto mins |
| jt.stopTracker(); |
| |
| // test with special clock |
| FakeClock myClock = new FakeClock(); |
| jt = JobTracker.startTracker(conf, myClock); |
| c = JobTracker.getClock(); |
| assertNotNull(c); |
| assertEquals(c, myClock); |
| jt.stopTracker(); |
| |
| // test with special identifier |
| String identifier = "test-identifier"; |
| jt = JobTracker.startTracker(conf, JobTracker.DEFAULT_CLOCK, identifier); |
| assertEquals(identifier, jt.getTrackerIdentifier()); |
| jt.stopTracker(); |
| } |
| } |