tests/org.eclipse.sphinx.tests.emf.workspace/src/org/eclipse/sphinx/tests/emf/workspace/referentialintegrity/UriChangeDetectorTest.java - sphinx/org.eclipse.sphinx - Git at Google

 /**
  * <copyright>
  *
  * Copyright (c) 2021 Siemens and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/epl-v10.html
  *
  * Contributors:
  *     Siemens - [577073] Initial API and implementation
  *
  * </copyright>
  */
 package org.eclipse.sphinx.tests.emf.workspace.referentialintegrity;

 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertNull;
 import static org.junit.Assert.assertSame;

 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;

 import org.eclipse.core.resources.IFile;
 import org.eclipse.emf.common.notify.Notification;
 import org.eclipse.emf.common.util.URI;
 import org.eclipse.emf.ecore.InternalEObject;
 import org.eclipse.emf.ecore.impl.ENotificationImpl;
 import org.eclipse.emf.ecore.impl.EObjectImpl;
 import org.eclipse.emf.ecore.resource.Resource;
 import org.eclipse.emf.ecore.resource.impl.ResourceImpl;
 import org.eclipse.emf.transaction.ResourceSetChangeEvent;
 import org.eclipse.emf.transaction.impl.TransactionalCommandStackImpl;
 import org.eclipse.emf.transaction.impl.TransactionalEditingDomainImpl;
 import org.eclipse.sphinx.emf.workspace.referentialintegrity.IURIChangeDetectorDelegate;
 import org.eclipse.sphinx.emf.workspace.referentialintegrity.IURIChangeListener;
 import org.eclipse.sphinx.emf.workspace.referentialintegrity.URIChangeDetector;
 import org.eclipse.sphinx.emf.workspace.referentialintegrity.URIChangeDetectorDelegateRegistry;
 import org.eclipse.sphinx.emf.workspace.referentialintegrity.URIChangeEvent;
 import org.eclipse.sphinx.emf.workspace.referentialintegrity.URIChangeListenerRegistry;
 import org.eclipse.sphinx.emf.workspace.referentialintegrity.URIChangeNotification;
 import org.junit.AfterClass;
 import org.junit.Before;
 import org.junit.BeforeClass;
 import org.junit.Test;

 public class UriChangeDetectorTest {

 	private static class TestEOjbect extends EObjectImpl {
 	}

 	private static class TestResource1 extends ResourceImpl {
 	}

 	private static class TestResource2 extends ResourceImpl {
 	}

 	private static class AbstractTestURIChangeDetectorDelegate implements IURIChangeDetectorDelegate {

 		List<Notification> notifications = null;
 		Notification notification = null;
 		IFile oldFile = null;
 		IFile newFile = null;

 		Map<Resource, List<URIChangeNotification>> returnValue1 = null;
 		List<URIChangeNotification> returnValue2 = null;
 		List<URIChangeNotification> returnValue3 = null;

 		@Override
 		public Map<Resource, List<URIChangeNotification>> detectChangedURIs(List<Notification> notifications) {
 			this.notifications = notifications;
 			return returnValue1;
 		}

 		@Override
 		public List<URIChangeNotification> detectChangedURIs(Notification notification) {
 			this.notification = notification;
 			return returnValue2;
 		}

 		@Override
 		public List<URIChangeNotification> detectChangedURIs(IFile oldFile, IFile newFile) {
 			this.oldFile = oldFile;
 			this.newFile = newFile;
 			return returnValue3;
 		}
 	}

 	private static class TestURIChangeDetectorDelegate1 extends AbstractTestURIChangeDetectorDelegate {
 	}

 	private static class TestURIChangeDetectorDelegate2 extends AbstractTestURIChangeDetectorDelegate {
 	}

 	private static class TestURIChangeListener implements IURIChangeListener {
 		final List<URIChangeEvent> events = new ArrayList<>();

 		@Override
 		public void uriChanged(URIChangeEvent event) {
 			events.add(event);
 		}
 	}

 	private static final URIChangeDetector uriChangeDetector = new URIChangeDetector();
 	private static final TestURIChangeDetectorDelegate1 delegate1 = new TestURIChangeDetectorDelegate1();
 	private static final TestURIChangeDetectorDelegate2 delegate2 = new TestURIChangeDetectorDelegate2();
 	private static final TestURIChangeListener listener = new TestURIChangeListener();

 	@BeforeClass
 	public static void init() {
 		URIChangeDetectorDelegateRegistry.INSTANCE.addDelegate(TestResource1.class, delegate1);
 		URIChangeDetectorDelegateRegistry.INSTANCE.addDelegate(TestResource2.class, delegate2);
 		URIChangeListenerRegistry.INSTANCE.addListener(listener);
 	}

 	@AfterClass
 	public static void clean() {
 		URIChangeDetectorDelegateRegistry.INSTANCE.removeDelegate(delegate1);
 		URIChangeDetectorDelegateRegistry.INSTANCE.removeDelegate(delegate2);
 		URIChangeListenerRegistry.INSTANCE.removeListener(listener);
 	}

 	@Before
 	public void reset() {
 		delegate1.notifications = null;
 		delegate1.notification = null;
 		delegate1.newFile = null;
 		delegate1.oldFile = null;
 		delegate1.returnValue1 = null;
 		delegate1.returnValue2 = null;
 		delegate1.returnValue3 = null;
 		delegate2.notifications = null;
 		delegate2.notification = null;
 		delegate2.newFile = null;
 		delegate2.oldFile = null;
 		delegate2.returnValue1 = null;
 		delegate2.returnValue2 = null;
 		delegate2.returnValue3 = null;
 		listener.events.clear();
 	}

 	@Test
 	public void testResourceSetChangedSimple() {
 		TestResource1 testResource1 = new TestResource1();
 		testResource1.getContents().add(new TestEOjbect());

 		List<Notification> notifications = new ArrayList<>();
 		notifications.add(createNotification(testResource1));

 		delegate1.returnValue1 = createMockedDelegateReturnValue1(testResource1);

 		uriChangeDetector.resourceSetChanged(createResourceSetChangedEvent(notifications));

 		assertEquals(notifications, delegate1.notifications);
 		assertEquals(1, listener.events.size());

 		// deprecated API not called
 		assertNull(delegate1.notification);

 		assertSame(testResource1, listener.events.get(0).getSource());
 		assertSame(delegate1.returnValue1.get(testResource1), listener.events.get(0).getNotifications());
 	}

 	@Test
 	public void testResourceSetChangedMultipleResource() {
 		TestResource1 testResource1 = new TestResource1();
 		testResource1.getContents().add(new TestEOjbect());
 		TestResource2 testResource2 = new TestResource2();
 		testResource2.getContents().add(new TestEOjbect());

 		List<Notification> notifications = new ArrayList<>();
 		notifications.add(createNotification(testResource1));
 		notifications.add(createNotification(testResource2));

 		delegate1.returnValue1 = createMockedDelegateReturnValue1(testResource1);
 		delegate2.returnValue1 = createMockedDelegateReturnValue1(testResource2);

 		uriChangeDetector.resourceSetChanged(createResourceSetChangedEvent(notifications));

 		assertEquals(1, delegate1.notifications.size());
 		assertEquals(notifications.get(0), delegate1.notifications.get(0));

 		assertEquals(1, delegate2.notifications.size());
 		assertEquals(notifications.get(1), delegate2.notifications.get(0));

 		// deprecated API not called
 		assertNull(delegate1.notification);
 		assertNull(delegate2.notification);

 		assertEquals(2, listener.events.size());

 		for (URIChangeEvent event : listener.events) {
 			if (testResource1 == event.getSource()) {
 				assertSame(testResource1, event.getSource());
 				assertSame(delegate1.returnValue1.get(testResource1), event.getNotifications());
 			} else {
 				assertSame(testResource2, event.getSource());
 				assertSame(delegate2.returnValue1.get(testResource2), event.getNotifications());
 			}
 		}
 	}

 	@Test
 	public void testResourceSetChangedDeprecated() {
 		TestResource1 testResource1 = new TestResource1();
 		testResource1.getContents().add(new TestEOjbect());
 		TestResource2 testResource2 = new TestResource2();
 		testResource2.getContents().add(new TestEOjbect());

 		List<Notification> notifications = new ArrayList<>();
 		notifications.add(createNotification(testResource1));
 		notifications.add(createNotification(testResource2));

 		// Signal that the new API is not implemented
 		delegate1.returnValue1 = null;
 		delegate2.returnValue1 = null;

 		// deprecated API
 		delegate1.returnValue2 = createMockedDelegateReturnValue2();
 		delegate2.returnValue2 = createMockedDelegateReturnValue2();

 		uriChangeDetector.resourceSetChanged(createResourceSetChangedEvent(notifications));

 		// non deprecated API called
 		assertEquals(1, delegate1.notifications.size());
 		assertEquals(notifications.get(0), delegate1.notifications.get(0));

 		assertEquals(1, delegate2.notifications.size());
 		assertEquals(notifications.get(1), delegate2.notifications.get(0));

 		// deprecated API called
 		assertNotNull(delegate1.notification);
 		assertEquals(notifications.get(0), delegate1.notifications.get(0));

 		assertNotNull(delegate2.notification);
 		assertEquals(notifications.get(1), delegate2.notifications.get(0));

 		assertEquals(2, listener.events.size());

 		for (URIChangeEvent event : listener.events) {
 			if (testResource1 == event.getSource()) {
 				assertSame(testResource1, event.getSource());
 				assertSame(delegate1.returnValue2, event.getNotifications());
 			} else {
 				assertSame(testResource2, event.getSource());
 				assertSame(delegate2.returnValue2, event.getNotifications());
 			}
 		}
 	}

 	private Notification createNotification(ResourceImpl testResource) {
 		return new ENotificationImpl((InternalEObject) testResource.getContents().get(0), Notification.ADD, null, null, null);
 	}

 	private ResourceSetChangeEvent createResourceSetChangedEvent(List<Notification> notifications) {
 		return new ResourceSetChangeEvent(new TransactionalEditingDomainImpl(null, new TransactionalCommandStackImpl()), null, notifications);
 	}

 	private Map<Resource, List<URIChangeNotification>> createMockedDelegateReturnValue1(ResourceImpl testResource) {
 		Map<Resource, List<URIChangeNotification>> returnValue = new HashMap<>();
 		List<URIChangeNotification> uriNotifications = new ArrayList<URIChangeNotification>();
 		uriNotifications.add(new URIChangeNotification(new TestEOjbect(), URI.createURI("test"))); //$NON-NLS-1$
 		returnValue.put(testResource, uriNotifications);
 		return returnValue;
 	}

 	private List<URIChangeNotification> createMockedDelegateReturnValue2() {
 		List<URIChangeNotification> uriNotifications = new ArrayList<URIChangeNotification>();
 		uriNotifications.add(new URIChangeNotification(new TestEOjbect(), URI.createURI("test"))); //$NON-NLS-1$
 		return uriNotifications;
 	}
 }
	/**
	* <copyright>
	*
	* Copyright (c) 2021 Siemens and others.
	* All rights reserved. This program and the accompanying materials
	* are made available under the terms of the Eclipse Public License v1.0
	* which accompanies this distribution, and is available at
	* http://www.eclipse.org/legal/epl-v10.html
	*
	* Contributors:
	* Siemens - [577073] Initial API and implementation
	*
	* </copyright>
	*/
	package org.eclipse.sphinx.tests.emf.workspace.referentialintegrity;

	import static org.junit.Assert.assertEquals;
	import static org.junit.Assert.assertNotNull;
	import static org.junit.Assert.assertNull;
	import static org.junit.Assert.assertSame;

	import java.util.ArrayList;
	import java.util.HashMap;
	import java.util.List;
	import java.util.Map;

	import org.eclipse.core.resources.IFile;
	import org.eclipse.emf.common.notify.Notification;
	import org.eclipse.emf.common.util.URI;
	import org.eclipse.emf.ecore.InternalEObject;
	import org.eclipse.emf.ecore.impl.ENotificationImpl;
	import org.eclipse.emf.ecore.impl.EObjectImpl;
	import org.eclipse.emf.ecore.resource.Resource;
	import org.eclipse.emf.ecore.resource.impl.ResourceImpl;
	import org.eclipse.emf.transaction.ResourceSetChangeEvent;
	import org.eclipse.emf.transaction.impl.TransactionalCommandStackImpl;
	import org.eclipse.emf.transaction.impl.TransactionalEditingDomainImpl;
	import org.eclipse.sphinx.emf.workspace.referentialintegrity.IURIChangeDetectorDelegate;
	import org.eclipse.sphinx.emf.workspace.referentialintegrity.IURIChangeListener;
	import org.eclipse.sphinx.emf.workspace.referentialintegrity.URIChangeDetector;
	import org.eclipse.sphinx.emf.workspace.referentialintegrity.URIChangeDetectorDelegateRegistry;
	import org.eclipse.sphinx.emf.workspace.referentialintegrity.URIChangeEvent;
	import org.eclipse.sphinx.emf.workspace.referentialintegrity.URIChangeListenerRegistry;
	import org.eclipse.sphinx.emf.workspace.referentialintegrity.URIChangeNotification;
	import org.junit.AfterClass;
	import org.junit.Before;
	import org.junit.BeforeClass;
	import org.junit.Test;

	public class UriChangeDetectorTest {

	private static class TestEOjbect extends EObjectImpl {
	}

	private static class TestResource1 extends ResourceImpl {
	}

	private static class TestResource2 extends ResourceImpl {
	}

	private static class AbstractTestURIChangeDetectorDelegate implements IURIChangeDetectorDelegate {

	List<Notification> notifications = null;
	Notification notification = null;
	IFile oldFile = null;
	IFile newFile = null;

	Map<Resource, List<URIChangeNotification>> returnValue1 = null;
	List<URIChangeNotification> returnValue2 = null;
	List<URIChangeNotification> returnValue3 = null;

	@Override
	public Map<Resource, List<URIChangeNotification>> detectChangedURIs(List<Notification> notifications) {
	this.notifications = notifications;
	return returnValue1;
	}

	@Override
	public List<URIChangeNotification> detectChangedURIs(Notification notification) {
	this.notification = notification;
	return returnValue2;
	}

	@Override
	public List<URIChangeNotification> detectChangedURIs(IFile oldFile, IFile newFile) {
	this.oldFile = oldFile;
	this.newFile = newFile;
	return returnValue3;
	}
	}

	private static class TestURIChangeDetectorDelegate1 extends AbstractTestURIChangeDetectorDelegate {
	}

	private static class TestURIChangeDetectorDelegate2 extends AbstractTestURIChangeDetectorDelegate {
	}

	private static class TestURIChangeListener implements IURIChangeListener {
	final List<URIChangeEvent> events = new ArrayList<>();

	@Override
	public void uriChanged(URIChangeEvent event) {
	events.add(event);
	}
	}

	private static final URIChangeDetector uriChangeDetector = new URIChangeDetector();
	private static final TestURIChangeDetectorDelegate1 delegate1 = new TestURIChangeDetectorDelegate1();
	private static final TestURIChangeDetectorDelegate2 delegate2 = new TestURIChangeDetectorDelegate2();
	private static final TestURIChangeListener listener = new TestURIChangeListener();

	@BeforeClass
	public static void init() {
	URIChangeDetectorDelegateRegistry.INSTANCE.addDelegate(TestResource1.class, delegate1);
	URIChangeDetectorDelegateRegistry.INSTANCE.addDelegate(TestResource2.class, delegate2);
	URIChangeListenerRegistry.INSTANCE.addListener(listener);
	}

	@AfterClass
	public static void clean() {
	URIChangeDetectorDelegateRegistry.INSTANCE.removeDelegate(delegate1);
	URIChangeDetectorDelegateRegistry.INSTANCE.removeDelegate(delegate2);
	URIChangeListenerRegistry.INSTANCE.removeListener(listener);
	}

	@Before
	public void reset() {
	delegate1.notifications = null;
	delegate1.notification = null;
	delegate1.newFile = null;
	delegate1.oldFile = null;
	delegate1.returnValue1 = null;
	delegate1.returnValue2 = null;
	delegate1.returnValue3 = null;
	delegate2.notifications = null;
	delegate2.notification = null;
	delegate2.newFile = null;
	delegate2.oldFile = null;
	delegate2.returnValue1 = null;
	delegate2.returnValue2 = null;
	delegate2.returnValue3 = null;
	listener.events.clear();
	}

	@Test
	public void testResourceSetChangedSimple() {
	TestResource1 testResource1 = new TestResource1();
	testResource1.getContents().add(new TestEOjbect());

	List<Notification> notifications = new ArrayList<>();
	notifications.add(createNotification(testResource1));

	delegate1.returnValue1 = createMockedDelegateReturnValue1(testResource1);

	uriChangeDetector.resourceSetChanged(createResourceSetChangedEvent(notifications));

	assertEquals(notifications, delegate1.notifications);
	assertEquals(1, listener.events.size());

	// deprecated API not called
	assertNull(delegate1.notification);

	assertSame(testResource1, listener.events.get(0).getSource());
	assertSame(delegate1.returnValue1.get(testResource1), listener.events.get(0).getNotifications());
	}

	@Test
	public void testResourceSetChangedMultipleResource() {
	TestResource1 testResource1 = new TestResource1();
	testResource1.getContents().add(new TestEOjbect());
	TestResource2 testResource2 = new TestResource2();
	testResource2.getContents().add(new TestEOjbect());

	List<Notification> notifications = new ArrayList<>();
	notifications.add(createNotification(testResource1));
	notifications.add(createNotification(testResource2));

	delegate1.returnValue1 = createMockedDelegateReturnValue1(testResource1);
	delegate2.returnValue1 = createMockedDelegateReturnValue1(testResource2);

	uriChangeDetector.resourceSetChanged(createResourceSetChangedEvent(notifications));

	assertEquals(1, delegate1.notifications.size());
	assertEquals(notifications.get(0), delegate1.notifications.get(0));

	assertEquals(1, delegate2.notifications.size());
	assertEquals(notifications.get(1), delegate2.notifications.get(0));

	// deprecated API not called
	assertNull(delegate1.notification);
	assertNull(delegate2.notification);

	assertEquals(2, listener.events.size());

	for (URIChangeEvent event : listener.events) {
	if (testResource1 == event.getSource()) {
	assertSame(testResource1, event.getSource());
	assertSame(delegate1.returnValue1.get(testResource1), event.getNotifications());
	} else {
	assertSame(testResource2, event.getSource());
	assertSame(delegate2.returnValue1.get(testResource2), event.getNotifications());
	}
	}
	}

	@Test
	public void testResourceSetChangedDeprecated() {
	TestResource1 testResource1 = new TestResource1();
	testResource1.getContents().add(new TestEOjbect());
	TestResource2 testResource2 = new TestResource2();
	testResource2.getContents().add(new TestEOjbect());

	List<Notification> notifications = new ArrayList<>();
	notifications.add(createNotification(testResource1));
	notifications.add(createNotification(testResource2));

	// Signal that the new API is not implemented
	delegate1.returnValue1 = null;
	delegate2.returnValue1 = null;

	// deprecated API
	delegate1.returnValue2 = createMockedDelegateReturnValue2();
	delegate2.returnValue2 = createMockedDelegateReturnValue2();

	uriChangeDetector.resourceSetChanged(createResourceSetChangedEvent(notifications));

	// non deprecated API called
	assertEquals(1, delegate1.notifications.size());
	assertEquals(notifications.get(0), delegate1.notifications.get(0));

	assertEquals(1, delegate2.notifications.size());
	assertEquals(notifications.get(1), delegate2.notifications.get(0));

	// deprecated API called
	assertNotNull(delegate1.notification);
	assertEquals(notifications.get(0), delegate1.notifications.get(0));

	assertNotNull(delegate2.notification);
	assertEquals(notifications.get(1), delegate2.notifications.get(0));

	assertEquals(2, listener.events.size());

	for (URIChangeEvent event : listener.events) {
	if (testResource1 == event.getSource()) {
	assertSame(testResource1, event.getSource());
	assertSame(delegate1.returnValue2, event.getNotifications());
	} else {
	assertSame(testResource2, event.getSource());
	assertSame(delegate2.returnValue2, event.getNotifications());
	}
	}
	}

	private Notification createNotification(ResourceImpl testResource) {
	return new ENotificationImpl((InternalEObject) testResource.getContents().get(0), Notification.ADD, null, null, null);
	}

	private ResourceSetChangeEvent createResourceSetChangedEvent(List<Notification> notifications) {
	return new ResourceSetChangeEvent(new TransactionalEditingDomainImpl(null, new TransactionalCommandStackImpl()), null, notifications);
	}

	private Map<Resource, List<URIChangeNotification>> createMockedDelegateReturnValue1(ResourceImpl testResource) {
	Map<Resource, List<URIChangeNotification>> returnValue = new HashMap<>();
	List<URIChangeNotification> uriNotifications = new ArrayList<URIChangeNotification>();
	uriNotifications.add(new URIChangeNotification(new TestEOjbect(), URI.createURI("test"))); //$NON-NLS-1$
	returnValue.put(testResource, uriNotifications);
	return returnValue;
	}

	private List<URIChangeNotification> createMockedDelegateReturnValue2() {
	List<URIChangeNotification> uriNotifications = new ArrayList<URIChangeNotification>();
	uriNotifications.add(new URIChangeNotification(new TestEOjbect(), URI.createURI("test"))); //$NON-NLS-1$
	return uriNotifications;
	}
	}