Mercurial > hg > release > thermostat-1.6
view agent/core/src/test/java/com/redhat/thermostat/backend/internal/VmMonitorTest.java @ 2049:a92d602216ad
Update copyright license headers for 2017
PR3290
Reviewed-by: jerboaa
Review-thread: http://icedtea.classpath.org/pipermail/thermostat/2017-January/021974.html
author | Andrew Azores <aazores@redhat.com> |
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date | Tue, 17 Jan 2017 12:19:56 -0500 |
parents | 31f274ab27a5 |
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.backend.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.isA; import static org.mockito.Mockito.doThrow; 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.net.URISyntaxException; import org.junit.Before; import org.junit.Test; import org.mockito.ArgumentCaptor; import org.mockito.invocation.InvocationOnMock; import org.mockito.stubbing.Answer; import sun.jvmstat.monitor.HostIdentifier; import sun.jvmstat.monitor.MonitorException; import sun.jvmstat.monitor.MonitoredHost; import sun.jvmstat.monitor.MonitoredVm; import sun.jvmstat.monitor.VmIdentifier; import sun.jvmstat.monitor.event.VmListener; import com.redhat.thermostat.backend.VmUpdateListener; public class VmMonitorTest { private VmMonitor monitor; private HostIdentifier hostIdentifier; private MonitoredHost host; private MonitoredVm monitoredVm; @Before public void setUp() throws Exception { monitor = new VmMonitor(); hostIdentifier = mock(HostIdentifier.class); when(hostIdentifier.resolve(isA(VmIdentifier.class))).then(new Answer<VmIdentifier>() { @Override public VmIdentifier answer(InvocationOnMock invocation) throws Throwable { return (VmIdentifier) invocation.getArguments()[0]; } }); host = mock(MonitoredHost.class); when(host.getHostIdentifier()).thenReturn(hostIdentifier); monitoredVm = mock(MonitoredVm.class); monitor.setHost(host); } @Test public void testNewVM() throws MonitorException, URISyntaxException { final int VM_PID = 1; VmIdentifier VM_ID = new VmIdentifier(String.valueOf(VM_PID)); when(host.getMonitoredVm(VM_ID)).thenReturn(monitoredVm); VmUpdateListener listener = mock(VmUpdateListener.class); monitor.handleNewVm(listener, VM_PID); // Check listener registered ArgumentCaptor<VmListenerWrapper> captor = ArgumentCaptor.forClass(VmListenerWrapper.class); verify(monitoredVm).addVmListener(captor.capture()); VmListenerWrapper wrapper = captor.getValue(); assertEquals(listener, wrapper.getVmUpdateListener()); // Check pid map assertTrue(monitor.getPidToDataMap().containsKey(VM_PID)); assertEquals(wrapper, monitor.getPidToDataMap().get(VM_PID).getSecond()); } @Test public void testStatVMGetMonitoredVmFails() throws MonitorException { final int VM_PID = 1; MonitorException monitorException = new MonitorException(); when(host.getMonitoredVm(isA(VmIdentifier.class))).thenThrow(monitorException); VmUpdateListener listener = mock(VmUpdateListener.class); monitor.handleNewVm(listener, VM_PID); assertFalse(monitor.getPidToDataMap().containsKey(VM_PID)); } @Test public void testStoppedVM() throws MonitorException, URISyntaxException { final int VM_PID = 1; VmIdentifier VM_ID = new VmIdentifier(String.valueOf(VM_PID)); when(host.getMonitoredVm(VM_ID)).thenReturn(monitoredVm); VmUpdateListener listener = mock(VmUpdateListener.class); monitor.handleNewVm(listener, VM_PID); monitor.handleStoppedVm(VM_PID); // Check listener unregistered ArgumentCaptor<VmListenerWrapper> captor = ArgumentCaptor.forClass(VmListenerWrapper.class); verify(monitoredVm).removeVmListener(captor.capture()); VmListenerWrapper wrapper = captor.getValue(); assertEquals(listener, wrapper.getVmUpdateListener()); assertFalse(monitor.getPidToDataMap().containsKey(VM_PID)); } @Test public void testUnknownVMStopped() throws URISyntaxException, MonitorException { final int VM_PID = 1; VmIdentifier VM_ID = new VmIdentifier(String.valueOf(VM_PID)); when(host.getMonitoredVm(VM_ID)).thenReturn(monitoredVm); monitor.handleStoppedVm(VM_PID); verifyNoMoreInteractions(monitoredVm); } @Test public void testErrorRemovingVmListener() throws URISyntaxException, MonitorException { final int VM_PID = 1; VmIdentifier VM_ID = new VmIdentifier(String.valueOf(VM_PID)); when(host.getMonitoredVm(VM_ID)).thenReturn(monitoredVm); MonitorException monitorException = new MonitorException(); doThrow(monitorException).when(monitoredVm).removeVmListener(any(VmListener.class)); VmUpdateListener listener = mock(VmUpdateListener.class); monitor.handleNewVm(listener, VM_PID); monitor.handleStoppedVm(VM_PID); verify(monitoredVm).detach(); } @Test public void testRemoveAllListeners() throws URISyntaxException, MonitorException { final int VM_PID1 = 1; final int VM_PID2 = 2; VmIdentifier VM_ID1 = new VmIdentifier(String.valueOf(VM_PID1)); when(host.getMonitoredVm(VM_ID1)).thenReturn(monitoredVm); MonitoredVm monitoredVm2 = mock(MonitoredVm.class); VmIdentifier VM_ID2 = new VmIdentifier(String.valueOf(VM_PID2)); when(host.getMonitoredVm(VM_ID2)).thenReturn(monitoredVm2); VmUpdateListener listener1 = mock(VmUpdateListener.class); VmUpdateListener listener2 = mock(VmUpdateListener.class); monitor.handleNewVm(listener1, VM_PID1); monitor.handleNewVm(listener2, VM_PID2); monitor.removeVmListeners(); ArgumentCaptor<VmListenerWrapper> captor1 = ArgumentCaptor.forClass(VmListenerWrapper.class); verify(monitoredVm).removeVmListener(captor1.capture()); VmListenerWrapper wrapper1 = captor1.getValue(); assertEquals(listener1, wrapper1.getVmUpdateListener()); ArgumentCaptor<VmListenerWrapper> captor2 = ArgumentCaptor.forClass(VmListenerWrapper.class); verify(monitoredVm2).removeVmListener(captor2.capture()); VmListenerWrapper wrapper2 = captor2.getValue(); assertEquals(listener2, wrapper2.getVmUpdateListener()); assertEquals(0, monitor.getPidToDataMap().size()); } }