Mercurial > hg > release > thermostat-1.2
view vm-profiler/agent/src/test/java/com/redhat/thermostat/vm/profiler/agent/internal/VmProfilerTest.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 | 67b1c0156c52 |
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.vm.profiler.agent.internal; import static org.mockito.Mockito.mock; import static org.mockito.Mockito.never; import static org.mockito.Mockito.times; import static org.mockito.Mockito.verify; import static org.mockito.Mockito.verifyNoMoreInteractions; import static org.mockito.Mockito.when; import java.io.BufferedWriter; import java.io.File; import java.nio.charset.StandardCharsets; import java.nio.file.Files; import java.util.Properties; import org.junit.Before; import org.junit.Test; import com.redhat.thermostat.common.Clock; import com.redhat.thermostat.vm.profiler.agent.internal.VmProfiler.ProfileUploaderCreator; import com.redhat.thermostat.vm.profiler.common.ProfileDAO; import com.redhat.thermostat.vm.profiler.common.ProfileStatusChange; public class VmProfilerTest { private static final String AGENT_ID = "some-agent"; private static final String VM_ID = "some-vm"; private static final int PID = 0; private static final String AGENT_JAR = "foo"; private static final String ASM_JAR = "bar"; private static final long TIMESTAMP = 1_000_000_000; private VmProfiler profiler; private RemoteProfilerCommunicator remote; private Clock clock; private ProfileDAO dao; private ProfileUploader uploader; private ProfileUploaderCreator profileUploaderCreator; @Before public void setUp() throws Exception { Properties props = new Properties(); props.setProperty("AGENT_JAR", AGENT_JAR); props.setProperty("ASM_JAR", ASM_JAR); dao = mock(ProfileDAO.class); clock = mock(Clock.class); when(clock.getRealTimeMillis()).thenReturn(TIMESTAMP); uploader = mock(ProfileUploader.class); profileUploaderCreator = mock(ProfileUploaderCreator.class); when(profileUploaderCreator.create(dao, AGENT_ID, VM_ID, PID)).thenReturn(uploader); remote = mock(RemoteProfilerCommunicator.class); profiler = new VmProfiler(AGENT_ID, props, dao, clock, profileUploaderCreator, remote); } @Test (expected=ProfilerException.class) public void doesNotProfileNotStartedVms() throws Exception { profiler.startProfiling(VM_ID); } @Test (expected=ProfilerException.class) public void doesNotProfileDeadVms() throws Exception { profiler.vmStarted(VM_ID, PID); profiler.vmStopped(VM_ID, PID); profiler.startProfiling(VM_ID); } @Test (expected=ProfilerException.class) public void doesNotStartingProfilingTwice() throws Exception { profiler.vmStarted(VM_ID, PID); profiler.startProfiling(VM_ID); profiler.startProfiling(VM_ID); } @Test public void startingProfilingLoadsJvmAgentAndMakesAnRmiCall() throws Exception { profiler.vmStarted(VM_ID, PID); profiler.startProfiling(VM_ID); verify(remote).loadAgentIntoPid(PID, AGENT_JAR, ""); verify(remote).startProfiling(PID); verify(dao).addStatus(new ProfileStatusChange(AGENT_ID, VM_ID, TIMESTAMP, true)); verifyNoMoreInteractions(remote); } @Test public void onlyLoadsAgentOnceForRepeatedProfiling() throws Exception { final String FILE = "foobar"; when(remote.getProfilingDataFile(PID)).thenReturn(FILE); profiler.vmStarted(VM_ID, PID); profiler.startProfiling(VM_ID); profiler.stopProfiling(VM_ID); profiler.startProfiling(VM_ID); verify(remote, times(1)).loadAgentIntoPid(PID, AGENT_JAR, ""); verify(remote, times(2)).startProfiling(PID); } @Test public void loadsAgentMultipleTimesForNewProcesses() throws Exception { final String FILE = "foobar"; when(remote.getProfilingDataFile(PID)).thenReturn(FILE); profiler.vmStarted(VM_ID, PID); profiler.startProfiling(VM_ID); profiler.stopProfiling(VM_ID); profiler.vmStopped(VM_ID, PID); // it's not likely that the vmId and the pid will be reused, but just to be sure profiler.vmStarted(VM_ID, PID); profiler.startProfiling(VM_ID); verify(remote, times(2)).loadAgentIntoPid(PID, AGENT_JAR, ""); verify(remote, times(2)).startProfiling(PID); } @Test (expected=ProfilerException.class) public void doesNotStopProfilingAnUnknownVm() throws Exception { profiler.stopProfiling(VM_ID); } @Test (expected=ProfilerException.class) public void doesNotStopProfilingNonProfiledVm() throws Exception { profiler.vmStarted(VM_ID, PID); profiler.stopProfiling(VM_ID); } @Test (expected=ProfilerException.class) public void errorOnStoppingTwice() throws Exception { final String FILE = "foobar"; when(remote.getProfilingDataFile(PID)).thenReturn(FILE); profiler.vmStarted(VM_ID, PID); profiler.startProfiling(VM_ID); profiler.stopProfiling(VM_ID); profiler.stopProfiling(VM_ID); } @Test public void stoppingProfilingMakesInvokesStopUsingRmiAndUploadsData() throws Exception { final String FILE = "foobar"; when(remote.getProfilingDataFile(PID)).thenReturn(FILE); profiler.vmStarted(VM_ID, PID); profiler.startProfiling(VM_ID); profiler.stopProfiling(VM_ID); verify(dao).addStatus(new ProfileStatusChange(AGENT_ID, VM_ID, TIMESTAMP, false)); verify(remote).stopProfiling(PID); verify(uploader).upload(TIMESTAMP, new File(FILE)); verifyNoMoreInteractions(uploader); } @Test public void gathersAndUploadsProfileDataOnVmExit() throws Exception { // this is written on the target vm exit File profilingResults = new File(System.getProperty("java.io.tmpdir"), "thermostat-" + PID + "-foobar.perfdata"); try (BufferedWriter writer = Files.newBufferedWriter(profilingResults.toPath(), StandardCharsets.UTF_8)) { writer.append("test file, please ignore"); } profiler.vmStarted(VM_ID, PID); profiler.startProfiling(VM_ID); profiler.vmStopped(VM_ID, PID); verify(remote, never()).stopProfiling(PID); verify(uploader).upload(TIMESTAMP, profilingResults); verify(dao).addStatus(new ProfileStatusChange(AGENT_ID, VM_ID, TIMESTAMP, false)); profilingResults.delete(); } }