Mercurial > hg > thermostat
view vm-cpu/agent/src/test/java/com/redhat/thermostat/vm/cpu/agent/internal/VmCpuBackendTest.java @ 2602:4d7312c27c6c
Fix ordering of vm plugins
PR3332
Reviewed-by: neugens
Review-thread: http://icedtea.classpath.org/pipermail/thermostat/2017-February/022266.html
author | Alex Macdonald <almacdon@redhat.com> |
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date | Thu, 02 Mar 2017 10:52:18 -0500 |
parents | e7fd8adb5f9c |
children |
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/* * Copyright 2012-2017 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.vm.cpu.agent.internal; import static org.junit.Assert.assertEquals; import static org.junit.Assert.assertFalse; import static org.junit.Assert.assertTrue; import static org.mockito.Matchers.any; import static org.mockito.Matchers.anyInt; import static org.mockito.Matchers.eq; import static org.mockito.Matchers.isA; import static org.mockito.Mockito.mock; import static org.mockito.Mockito.verify; import static org.mockito.Mockito.verifyNoMoreInteractions; import static org.mockito.Mockito.when; import java.util.HashSet; import java.util.Set; import java.util.concurrent.ScheduledExecutorService; import java.util.concurrent.TimeUnit; import org.junit.Before; import org.junit.Test; import org.mockito.ArgumentCaptor; import com.redhat.thermostat.agent.VmStatusListener.Status; import com.redhat.thermostat.agent.VmStatusListenerRegistrar; import com.redhat.thermostat.common.Ordered; import com.redhat.thermostat.common.Version; import com.redhat.thermostat.storage.core.WriterID; import com.redhat.thermostat.vm.cpu.common.Constants; import com.redhat.thermostat.vm.cpu.common.VmCpuStatDAO; import com.redhat.thermostat.vm.cpu.common.model.VmCpuStat; public class VmCpuBackendTest { private VmCpuBackend backend; private ScheduledExecutorService executor; private VmCpuStatDAO vmCpuStatDao; private VmStatusListenerRegistrar registrar; @Before public void setup() { executor = mock(ScheduledExecutorService.class); vmCpuStatDao = mock(VmCpuStatDAO.class); Version version = mock(Version.class); when(version.getVersionNumber()).thenReturn("0.0.0"); registrar = mock(VmStatusListenerRegistrar.class); WriterID id = mock(WriterID.class); backend = new VmCpuBackend(executor, vmCpuStatDao, version, registrar, id); } @Test public void testActivate() { backend.activate(); verify(executor).scheduleAtFixedRate(isA(Runnable.class), eq(0l), eq(1000l), eq(TimeUnit.MILLISECONDS)); verify(registrar).register(backend); assertTrue(backend.isActive()); } @Test public void testActivateTwice() { assertTrue(backend.activate()); assertTrue(backend.isActive()); assertTrue(backend.activate()); assertTrue(backend.isActive()); assertTrue(backend.deactivate()); } @Test public void testDeactivate() { backend.activate(); backend.deactivate(); verify(executor).shutdown(); verify(registrar).unregister(backend); assertFalse(backend.isActive()); } @Test public void testDeactivateTwice() { assertTrue(backend.activate()); assertTrue(backend.isActive()); assertTrue(backend.deactivate()); assertFalse(backend.isActive()); assertTrue(backend.deactivate()); assertFalse(backend.isActive()); } @Test public void testStart() { // Setup Runnable mocks final Set<Integer> pids = new HashSet<>(); pids.add(0); pids.add(1); VmCpuStatBuilder builder = mock(VmCpuStatBuilder.class); VmCpuStat stat0 = mock(VmCpuStat.class); VmCpuStat stat1 = mock(VmCpuStat.class); when(builder.build("vm1", 0)).thenReturn(stat0); when(builder.build("vm2", 1)).thenReturn(stat1); backend.setVmCpuStatBuilder(builder); backend.activate(); verify(registrar).register(backend); ArgumentCaptor<Runnable> captor = ArgumentCaptor.forClass(Runnable.class); verify(executor).scheduleAtFixedRate(captor.capture(), any(Long.class), any(Long.class), any(TimeUnit.class)); assertTrue(backend.isActive()); backend.vmStatusChanged(Status.VM_ACTIVE, "vm1", 0); backend.vmStatusChanged(Status.VM_STARTED, "vm2", 1); Runnable runnable = captor.getValue(); runnable.run(); verify(builder).learnAbout(0); verify(builder).learnAbout(1); when(builder.knowsAbout(anyInt())).thenReturn(true); runnable.run(); verify(vmCpuStatDao).putVmCpuStat(stat0); verify(vmCpuStatDao).putVmCpuStat(stat1); backend.vmStatusChanged(Status.VM_STOPPED, "vm1", 0); backend.vmStatusChanged(Status.VM_STOPPED, "vm2", 1); verify(builder).forgetAbout(0); verify(builder).forgetAbout(1); when(builder.knowsAbout(anyInt())).thenReturn(false); runnable.run(); verifyNoMoreInteractions(vmCpuStatDao); } @Test public void testOrderValue() { int orderValue = backend.getOrderValue(); assertTrue(orderValue > Ordered.ORDER_CPU_GROUP); assertTrue(orderValue < Ordered.ORDER_MEMORY_GROUP); assertEquals(orderValue, Constants.ORDER); } }