| /** |
| * 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.yarn.server.timeline; |
| |
| import java.io.File; |
| |
| import org.iq80.leveldb.DB; |
| import org.junit.jupiter.api.BeforeEach; |
| import org.junit.jupiter.api.Test; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.fs.FileSystem; |
| import org.apache.hadoop.fs.Path; |
| import org.apache.hadoop.yarn.conf.YarnConfiguration; |
| |
| import static org.junit.jupiter.api.Assertions.assertEquals; |
| |
| /** Test class for verification of RollingLevelDB. */ |
| public class TestRollingLevelDB { |
| private Configuration conf = new YarnConfiguration(); |
| private FileSystem lfs; |
| private MyRollingLevelDB rollingLevelDB; |
| |
| /** RollingLevelDB for testing that has a setting current time. */ |
| public static class MyRollingLevelDB extends RollingLevelDB { |
| private long currentTimeMillis; |
| |
| MyRollingLevelDB() { |
| super("Test"); |
| this.currentTimeMillis = System.currentTimeMillis(); |
| } |
| |
| @Override |
| protected long currentTimeMillis() { |
| return currentTimeMillis; |
| } |
| |
| public void setCurrentTimeMillis(long time) { |
| this.currentTimeMillis = time; |
| } |
| }; |
| |
| @BeforeEach |
| public void setup() throws Exception { |
| lfs = FileSystem.getLocal(conf); |
| File fsPath = new File("target", this.getClass().getSimpleName() + |
| "-tmpDir").getAbsoluteFile(); |
| conf.set(YarnConfiguration.TIMELINE_SERVICE_LEVELDB_PATH, |
| fsPath.getAbsolutePath()); |
| lfs.delete(new Path(fsPath.getAbsolutePath()), true); |
| rollingLevelDB = new MyRollingLevelDB(); |
| } |
| |
| @Test |
| void testInsertAfterRollPeriodRollsDB() throws Exception { |
| |
| rollingLevelDB.init(conf); |
| long now = rollingLevelDB.currentTimeMillis(); |
| DB db = rollingLevelDB.getDBForStartTime(now); |
| long startTime = rollingLevelDB.getStartTimeFor(db); |
| assertEquals(rollingLevelDB.computeCurrentCheckMillis(now), |
| startTime, |
| "Received level db for incorrect start time"); |
| now = rollingLevelDB.getNextRollingTimeMillis(); |
| rollingLevelDB.setCurrentTimeMillis(now); |
| db = rollingLevelDB.getDBForStartTime(now); |
| startTime = rollingLevelDB.getStartTimeFor(db); |
| assertEquals(rollingLevelDB.computeCurrentCheckMillis(now), |
| startTime, |
| "Received level db for incorrect start time"); |
| } |
| |
| @Test |
| void testInsertForPreviousPeriodAfterRollPeriodRollsDB() |
| throws Exception { |
| |
| rollingLevelDB.init(conf); |
| long now = rollingLevelDB.currentTimeMillis(); |
| now = rollingLevelDB.computeCurrentCheckMillis(now); |
| rollingLevelDB.setCurrentTimeMillis(now); |
| DB db = rollingLevelDB.getDBForStartTime(now - 1); |
| long startTime = rollingLevelDB.getStartTimeFor(db); |
| assertEquals(rollingLevelDB.computeCurrentCheckMillis(now - 1), |
| startTime, |
| "Received level db for incorrect start time"); |
| } |
| } |