Mercurial > hg > release > thermostat-0.9
view vm-heap-analysis/command/src/test/java/com/redhat/thermostat/vm/heap/analysis/command/internal/ObjectInfoCommandTest.java @ 1067:f0f0027e0724
Hide CommandInfo and reduce Command interface
Reviewed-by: vanaltj
Review-thread: http://icedtea.classpath.org/pipermail/thermostat/2013-April/006349.html
author | Omair Majid <omajid@redhat.com> |
---|---|
date | Wed, 17 Apr 2013 14:34:38 -0400 |
parents | 3526e4183714 |
children | c469675494d7 |
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/* * Copyright 2012, 2013 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.heap.analysis.command.internal; import static org.junit.Assert.assertEquals; import static org.junit.Assert.assertTrue; import static org.junit.Assert.fail; import static org.mockito.Matchers.any; import static org.mockito.Matchers.same; import static org.mockito.Mockito.doAnswer; import static org.mockito.Mockito.mock; import static org.mockito.Mockito.when; import java.util.Enumeration; import org.junit.After; import org.junit.Before; import org.junit.Test; import org.mockito.invocation.InvocationOnMock; import org.mockito.stubbing.Answer; import com.redhat.thermostat.common.cli.CommandException; import com.redhat.thermostat.common.cli.SimpleArguments; import com.redhat.thermostat.common.locale.Translate; import com.redhat.thermostat.test.TestCommandContextFactory; import com.redhat.thermostat.testutils.StubBundleContext; import com.redhat.thermostat.vm.heap.analysis.command.locale.LocaleResources; import com.redhat.thermostat.vm.heap.analysis.common.HeapDAO; import com.redhat.thermostat.vm.heap.analysis.common.HeapDump; import com.redhat.thermostat.vm.heap.analysis.common.model.HeapInfo; import com.sun.tools.hat.internal.model.JavaClass; import com.sun.tools.hat.internal.model.JavaHeapObject; import com.sun.tools.hat.internal.model.JavaHeapObjectVisitor; import com.sun.tools.hat.internal.model.Snapshot; public class ObjectInfoCommandTest { private static final Translate<LocaleResources> translator = LocaleResources.createLocalizer(); private static final String HEAP_ID = "TEST_HEAP_ID"; private ObjectInfoCommand cmd; private HeapDump heapDump; private HeapDAO dao; @Before public void setUp() { setupHeapDump(); setupDAO(); } @After public void tearDown() { heapDump = null; cmd = null; } private void setupHeapDump() { heapDump = mock(HeapDump.class); JavaClass barCls = mock(JavaClass.class); when(barCls.getName()).thenReturn("BarType"); final JavaHeapObject barObj = mock(JavaHeapObject.class); when(barObj.getIdString()).thenReturn("456"); when(barObj.getClazz()).thenReturn(barCls); JavaClass bazCls = mock(JavaClass.class); when(bazCls.getName()).thenReturn("BazType"); final JavaHeapObject bazObj = mock(JavaHeapObject.class); when(bazObj.getIdString()).thenReturn("789"); when(bazObj.getClazz()).thenReturn(bazCls); JavaClass fooCls = mock(JavaClass.class); when(fooCls.getName()).thenReturn("FooType"); JavaHeapObject fooObj = mock(JavaHeapObject.class); when(fooObj.getIdString()).thenReturn("123"); when(fooObj.getClazz()).thenReturn(fooCls); doAnswer(new Answer<Void>() { @Override public Void answer(InvocationOnMock invocation) throws Throwable { JavaHeapObjectVisitor v = (JavaHeapObjectVisitor) invocation.getArguments()[0]; v.visit(barObj); v.visit(bazObj); return null; } }).when(fooObj).visitReferencedObjects(any(JavaHeapObjectVisitor.class)); when(fooObj.describeReferenceTo(same(barObj), any(Snapshot.class))).thenReturn("field bar"); when(fooObj.describeReferenceTo(same(bazObj), any(Snapshot.class))).thenReturn("field baz"); @SuppressWarnings("rawtypes") Enumeration referrerEnum = mock(Enumeration.class); when(referrerEnum.hasMoreElements()).thenReturn(true).thenReturn(true).thenReturn(false); when(referrerEnum.nextElement()).thenReturn(barObj).thenReturn(bazObj); when(fooObj.getReferers()).thenReturn(referrerEnum); when(barObj.describeReferenceTo(same(fooObj), any(Snapshot.class))).thenReturn("field foo"); when(bazObj.describeReferenceTo(same(fooObj), any(Snapshot.class))).thenReturn("field foo"); when(fooObj.isNew()).thenReturn(true); when(fooObj.isHeapAllocated()).thenReturn(false); when(fooObj.getSize()).thenReturn(128); when(heapDump.findObject("foo")).thenReturn(fooObj); } private void setupDAO() { HeapInfo heapInfo = mock(HeapInfo.class); dao = mock(HeapDAO.class); when(dao.getHeapInfo(HEAP_ID)).thenReturn(heapInfo); when(dao.getHeapDump(heapInfo)).thenReturn(heapDump); } @Test public void testStorageRequired() { StubBundleContext context = new StubBundleContext(); cmd = new ObjectInfoCommand(context); assertTrue(cmd.isStorageRequired()); } @Test public void testSimpleObject() throws CommandException { StubBundleContext context = new StubBundleContext(); context.registerService(HeapDAO.class, dao, null); cmd = new ObjectInfoCommand(context); TestCommandContextFactory factory = new TestCommandContextFactory(); SimpleArguments args = new SimpleArguments(); args.addArgument("heapId", HEAP_ID); args.addArgument("objectId", "foo"); cmd.run(factory.createContext(args)); String expected = "Object ID: 123\n" + "Type: FooType\n" + "Size: 128 bytes\n" + "Heap allocated: false\n" + "References: \n" + " [field bar] -> BarType@456\n" + " [field baz] -> BazType@789\n" + "Referrers: \n" + " BarType@456 -> [field foo]\n" + " BazType@789 -> [field foo]\n"; assertEquals(expected, factory.getOutput()); } public void testHeapNotFound() throws CommandException { StubBundleContext context = new StubBundleContext(); context.registerService(HeapDAO.class, dao, null); cmd = new ObjectInfoCommand(context); TestCommandContextFactory factory = new TestCommandContextFactory(); SimpleArguments args = new SimpleArguments(); args.addArgument("heapId", "fluff"); args.addArgument("objectId", "foo"); try { cmd.run(factory.createContext(args)); fail(); } catch (HeapNotFoundException ex) { assertEquals("Heap ID not found: fluff", ex.getMessage()); } } public void testObjectNotFound() throws CommandException { StubBundleContext context = new StubBundleContext(); context.registerService(HeapDAO.class, dao, null); cmd = new ObjectInfoCommand(context); TestCommandContextFactory factory = new TestCommandContextFactory(); SimpleArguments args = new SimpleArguments(); args.addArgument("heapId", HEAP_ID); args.addArgument("objectId", "fluff"); try { cmd.run(factory.createContext(args)); fail(); } catch (ObjectNotFoundException ex) { assertEquals("Object not found: fluff", ex.getMessage()); } } @Test public void testNoHeapDAO() throws CommandException { StubBundleContext context = new StubBundleContext(); cmd = new ObjectInfoCommand(context); TestCommandContextFactory factory = new TestCommandContextFactory(); SimpleArguments args = new SimpleArguments(); args.addArgument("heapId", HEAP_ID); args.addArgument("objectId", "foo"); try { cmd.run(factory.createContext(args)); fail(); } catch (CommandException e) { assertEquals(translator.localize(LocaleResources.HEAP_SERVICE_UNAVAILABLE), e.getMessage()); } } }