Update of /cvsroot/mocklib/mocklib3/input/javasrc/biz/xsoftware/examples/listener In directory sc8-pr-cvs7.sourceforge.net:/tmp/cvs-serv24740/input/javasrc/biz/xsoftware/examples/listener Added Files: LegacySystemListener.java package.html TestExample.java LegacySystem.java SysUnderTest.java Log Message: original commit of mocklib2 that will become mocklib3 --- NEW FILE: package.html --- <HTML> <BODY> Examples which mock out listeners to test for events under the correct circumstances. </BODY> </HTML> --- NEW FILE: TestExample.java --- /* * Created on Jun 28, 2004 * * To change the template for this generated file go to * Window - Preferences - Java - Code Generation - Code and Comments */ package biz.xsoftware.examples.listener; import junit.framework.TestCase; import biz.xsoftware.mock.MockObjectFactory; import biz.xsoftware.mock.MockObject; /** * JUnit Suite of TestCases for demonstrating mocking out listeners to * test for events under certain circumstances. * * @author Dean Hiller */ public class TestExample extends TestCase { private MockObject mockLegacy; private MockObject mockListener1; private MockObject mockListener2; private SysUnderTest sysUnderTest; private LegacySystemListener legacyListener; /** * @showcode */ public TestExample(String name) { super(name); } /** * @showcode */ @Override public void setUp() { mockLegacy = MockObjectFactory.createMock(LegacySystem.class); mockListener1 = MockObjectFactory.createMock(LegacySystemListener.class); mockListener2 = MockObjectFactory.createMock(LegacySystemListener.class); sysUnderTest = new SysUnderTest((LegacySystem)mockLegacy); Object[] params = mockLegacy.expect("setLegacyListener").getAllParams(); legacyListener = (LegacySystemListener)params[0]; } @Override public void tearDown() { } /** * Tests that when the legacy system fires and event to it's only * legacy listener, all listeners on the sysUnderTest that were added * receive the event. No matter what the threading model, this test * will pass since expect call will wait until the event happens. If * the event never happens, the expectCall will timeout and throw an * ExpectFailedException claiming it never got the event. * * @showcode * @see SysUnderTest#addLegacyListener * @see LegacySystemListener#legacyEventOccurred */ public void testBasicListener() { sysUnderTest.addLegacyListener((LegacySystemListener)mockListener1); sysUnderTest.addLegacyListener((LegacySystemListener)mockListener2); //have legacy system fire event to it's one and only listener legacyListener.legacyEventOccurred(5); mockListener1.expect("legacyEventOccurred"); mockListener2.expect("legacyEventOccurred"); } } --- NEW FILE: LegacySystemListener.java --- /* * Created on Jul 3, 2004 * * To change the template for this generated file go to * Window - Preferences - Java - Code Generation - Code and Comments */ package biz.xsoftware.examples.listener; import java.util.EventListener; /** * Listener interface that listens for legacy events. * * @author Dean Hiller */ public interface LegacySystemListener extends EventListener { public void legacyEventOccurred(int i); } --- NEW FILE: SysUnderTest.java --- /* * Created on Jul 3, 2004 * * To change the template for this generated file go to * Window - Preferences - Java - Code Generation - Code and Comments */ package biz.xsoftware.examples.listener; import javax.swing.event.EventListenerList; /** * The SysUnderTest here is an adapter to a legacy system. The SysUnderTest * might be on a different thread or the same thread. For events from * a legacy system, the SysUnderTest alot of the time may be on a different * thread listening on some socket to the legacy system. * * @author Dean Hiller */ public class SysUnderTest { private EventListenerList listenerList = new EventListenerList(); private LegacySystem legacySys; public SysUnderTest(LegacySystem sys) { legacySys = sys; legacySys.setLegacyListener(new LegacyListener()); } private class LegacyListener implements LegacySystemListener { public void legacyEventOccurred(int i) { fireLegacyEvent(i); } } public void addLegacyListener(LegacySystemListener l) { listenerList.add(LegacySystemListener.class, l); } public void removeLegacyListener(LegacySystemListener l) { listenerList.remove(LegacySystemListener.class, l); } protected void fireLegacyEvent(int num) { // Guaranteed to return a non-null array Object[] listeners = listenerList.getListenerList(); // Process the listeners last to first, notifying // those that are interested in this event for (int i = listeners.length-2; i>=0; i-=2) { if (listeners[i]==LegacySystemListener.class) { // Lazily create the event: ((LegacySystemListener)listeners[i+1]).legacyEventOccurred(num); } } } } --- NEW FILE: LegacySystem.java --- /* * Created on Jul 3, 2004 * * To change the template for this generated file go to * Window - Preferences - Java - Code Generation - Code and Comments */ package biz.xsoftware.examples.listener; /** * Interface to what would normally be a real LegacySystemAdapter. * @author Dean Hiller */ public interface LegacySystem { /** * @param listener */ void setLegacyListener(LegacySystemListener listener); } |
