Java tutorial
/******************************************************************************* * Copyright 2013 The Linux Box Corporation. * * This file is part of Enkive CE (Community Edition). * Enkive CE is free software: you can redistribute it and/or modify * it under the terms of the GNU Affero General Public License as * published by the Free Software Foundation, either version 3 of * the License, or (at your option) any later version. * * Enkive CE is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public * License along with Enkive CE. If not, see * <http://www.gnu.org/licenses/>. ******************************************************************************/ package com.linuxbox.enkive.teststats; import static com.linuxbox.enkive.statistics.StatsConstants.STAT_TIMESTAMP; import static com.linuxbox.enkive.statistics.VarsMaker.createMap; import static com.linuxbox.enkive.statistics.consolidation.ConsolidationConstants.CONSOLIDATION_AVG; import static com.linuxbox.enkive.statistics.consolidation.ConsolidationConstants.CONSOLIDATION_MAX; import static com.linuxbox.enkive.statistics.consolidation.ConsolidationConstants.CONSOLIDATION_MIN; import static org.junit.Assert.assertTrue; import java.text.ParseException; import java.util.Calendar; import java.util.HashMap; import java.util.List; import java.util.Map; import org.apache.commons.math3.stat.descriptive.DescriptiveStatistics; import org.junit.BeforeClass; import org.junit.Test; import com.linuxbox.enkive.statistics.consolidation.DayConsolidator; import com.linuxbox.enkive.statistics.consolidation.WeekConsolidator; import com.linuxbox.enkive.statistics.gathering.GathererAttributes; import com.linuxbox.enkive.statistics.gathering.GathererException; import com.linuxbox.enkive.statistics.services.StatsClient; import com.mongodb.DBCollection; public class StatsWeekGrainTest { private static StatsClient client; private static WeekConsolidator grain; private static DBCollection coll; private static long dataCount; @BeforeClass public static void setUp() throws ParseException, GathererException { coll = TestHelper.GetTestCollection(); client = TestHelper.BuildClient(); grain = new WeekConsolidator(client); List<Map<String, Object>> stats = (new DayConsolidator(client)).consolidateData(); Map<String, Object> timeMap = createMap(); Calendar cal = Calendar.getInstance(); cal.set(Calendar.MILLISECOND, 0); cal.set(Calendar.SECOND, 0); cal.set(Calendar.MINUTE, 0); cal.set(Calendar.HOUR, 0); for (int i = 0; i < 10; i++) { if (i == 5) { cal.add(Calendar.WEEK_OF_MONTH, -1); } timeMap.put(CONSOLIDATION_MAX, cal.getTime()); timeMap.put(CONSOLIDATION_MIN, cal.getTime()); for (Map<String, Object> data : stats) { data.put(STAT_TIMESTAMP, timeMap); } client.storeData(stats); } dataCount = coll.count(); } @Test public void correctQueryTest() { for (GathererAttributes attribute : client.getAttributes()) { String name = attribute.getName(); List<Map<String, Object>> data = grain.gathererFilter(name).get(0); int size = 0; if (data != null) { size = data.size(); } assertTrue("the query did not return the correct number of objects: 5 vs. " + size, size == 5); } } @Test public void noDeletedDataTest() { long count = coll.count(); assertTrue( "data was deleted by consolidatation: dataCount before: " + dataCount + "dataCount now: " + count, count >= dataCount); } @Test public void consolidationMethods() { List<Map<String, Object>> consolidatedData = grain.consolidateData(); assertTrue("the consolidated data is null", consolidatedData != null); String methods[] = { CONSOLIDATION_AVG, CONSOLIDATION_MAX, CONSOLIDATION_MIN }; DescriptiveStatistics statsMaker = new DescriptiveStatistics(); statsMaker.addValue(111); statsMaker.addValue(11); statsMaker.addValue(1); Map<String, Object> statData = new HashMap<String, Object>(); for (String method : methods) { grain.methodMapBuilder(method, statsMaker, statData); } assertTrue("methodMapBuilder returned null", statData != null); } }