Mercurial > hg > release > thermostat-1.2
view dev/perflog-analyzer/src/test/java/com/redhat/thermostat/dev/perf/logs/internal/QueueStatsTest.java @ 1660:c6ae78b6f3ac
[Thermostat 1.2] Update copyright year to 2015
Reviewed-by: omajid
Review-thread: http://icedtea.classpath.org/pipermail/thermostat/2015-March/013127.html
PR2273
author | Severin Gehwolf <sgehwolf@redhat.com> |
---|---|
date | Wed, 11 Mar 2015 15:07:27 +0100 |
parents | 956c768fd1cd |
children |
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/* * Copyright 2012-2015 Red Hat, Inc. * * This file is part of Thermostat. * * Thermostat is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published * by the Free Software Foundation; either version 2, or (at your * option) any later version. * * Thermostat 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 * General Public License for more details. * * You should have received a copy of the GNU General Public License * along with Thermostat; see the file COPYING. If not see * <http://www.gnu.org/licenses/>. * * Linking this code with other modules is making a combined work * based on this code. Thus, the terms and conditions of the GNU * General Public License cover the whole combination. * * As a special exception, the copyright holders of this code give * you permission to link this code with independent modules to * produce an executable, regardless of the license terms of these * independent modules, and to copy and distribute the resulting * executable under terms of your choice, provided that you also * meet, for each linked independent module, the terms and conditions * of the license of that module. An independent module is a module * which is not derived from or based on this code. If you modify * this code, you may extend this exception to your version of the * library, but you are not obligated to do so. If you do not wish * to do so, delete this exception statement from your version. */ package com.redhat.thermostat.dev.perf.logs.internal; import static org.junit.Assert.assertEquals; import static org.junit.Assert.assertNotNull; import static org.junit.Assert.fail; import java.io.ByteArrayOutputStream; import java.io.PrintStream; import java.util.ArrayList; import java.util.Collections; import java.util.Date; import java.util.List; import org.junit.Before; import org.junit.Test; public class QueueStatsTest { private static final double DELTA = 0.001; private QueueStats stats; @Before public void setup() { List<QueueStat> s = buildStats(); stats = new QueueStats(s); } @Test public void testQueueMax() { assertEquals(12, stats.getMax()); } @Test public void testQueueMin() { assertEquals(1, stats.getMin()); } @Test public void testQueueAvg() { double avg = (1 + 3 + 12 + 4 + 8)/(double)5; assertEquals(avg, stats.getAvgQueueSize(), DELTA); } /* * If no filter matches, stats might end up being null. Verify we do not * throw exceptions. */ @Test public void testStatsNull() { QueueStats stats = new QueueStats(); try { // should not throw exception; ByteArrayOutputStream baos = new ByteArrayOutputStream(); PrintStream pStream = new PrintStream(baos); stats.printSummary(pStream); } catch (NullPointerException e) { fail(); } } @Test public void testNumberRecords() { assertEquals(5, stats.getTotalNumberOfRecords()); } @Test public void testNoRecords() { stats = new QueueStats(Collections.<QueueStat>emptyList()); assertEquals(0, stats.getTotalNumberOfRecords()); assertEquals(-1, stats.getAvgQueueSize(), DELTA); assertEquals(-1, stats.getMax()); assertEquals(-1, stats.getMin()); } @Test public void canGetStats() { List<QueueStat> s = stats.getAllStats(); assertNotNull(s); assertEquals(5, s.size()); } @Test public void verifyQueueStatsSummaryPrinting() { ByteArrayOutputStream baos = new ByteArrayOutputStream(); PrintStream pStream = new PrintStream(baos); stats.printSummary(pStream); String summary = baos.toString(); assertEquals("Queue size stats (5 records): 12(max) 1(min) 5.60(avg)\n\n", summary); } @Test public void verifyNoArgConstructor() throws InstantiationException, IllegalAccessException { QueueStats stats = (QueueStats)QueueStats.class.newInstance(); assertNotNull(stats); } private List<QueueStat> buildStats() { List<QueueStat> sts = new ArrayList<>(); int[] sizes = new int[] { 1, 3, 12, 4 , 8 }; for (int size: sizes) { QueueStat s = new QueueStat(new Date(), LogTag.STORAGE_BACKING_PROXIED, size); sts.add(s); } return sts; } }