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/*******************************************************************************
* Copyright (c) 2007, 2009 Oracle. 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:
* Oracle - initial API and implementation
******************************************************************************/
package org.eclipse.jpt.common.utility.tests.internal.model.value;
import java.util.Collection;
import java.util.Collections;
import java.util.Iterator;
import junit.framework.TestCase;
import org.eclipse.jpt.common.utility.internal.CollectionTools;
import org.eclipse.jpt.common.utility.internal.HashBag;
import org.eclipse.jpt.common.utility.internal.iterators.ReadOnlyIterator;
import org.eclipse.jpt.common.utility.internal.model.AbstractModel;
import org.eclipse.jpt.common.utility.internal.model.value.CollectionAspectAdapter;
import org.eclipse.jpt.common.utility.internal.model.value.SimplePropertyValueModel;
import org.eclipse.jpt.common.utility.model.event.CollectionAddEvent;
import org.eclipse.jpt.common.utility.model.event.CollectionChangeEvent;
import org.eclipse.jpt.common.utility.model.event.CollectionClearEvent;
import org.eclipse.jpt.common.utility.model.event.CollectionEvent;
import org.eclipse.jpt.common.utility.model.event.CollectionRemoveEvent;
import org.eclipse.jpt.common.utility.model.listener.ChangeAdapter;
import org.eclipse.jpt.common.utility.model.listener.ChangeListener;
import org.eclipse.jpt.common.utility.model.listener.CollectionChangeListener;
import org.eclipse.jpt.common.utility.model.value.CollectionValueModel;
import org.eclipse.jpt.common.utility.model.value.PropertyValueModel;
import org.eclipse.jpt.common.utility.model.value.WritablePropertyValueModel;
import org.eclipse.jpt.common.utility.tests.internal.TestTools;
@SuppressWarnings("nls")
public class CollectionAspectAdapterTests extends TestCase {
private TestSubject subject1;
private WritablePropertyValueModel<TestSubject> subjectHolder1;
private LocalCollectionAspectAdapter aa1;
private CollectionEvent event1;
private CollectionChangeListener listener1;
private String event1Type;
private static final String ADD = "add";
private static final String REMOVE = "remove";
private static final String CHANGE = "change";
private static final String CLEAR = "clear";
private TestSubject subject2;
public CollectionAspectAdapterTests(String name) {
super(name);
}
@Override
protected void setUp() throws Exception {
super.setUp();
this.subject1 = new TestSubject();
this.subject1.addNames(this.subject1Names());
this.subject1.addDescriptions(this.subject1Descriptions());
this.subjectHolder1 = new SimplePropertyValueModel<TestSubject>(this.subject1);
this.aa1 = this.buildAspectAdapter(this.subjectHolder1);
this.listener1 = this.buildValueChangeListener1();
this.aa1.addCollectionChangeListener(CollectionValueModel.VALUES, this.listener1);
this.event1 = null;
this.event1Type = null;
this.subject2 = new TestSubject();
this.subject2.addNames(this.subject2Names());
this.subject2.addDescriptions(this.subject2Descriptions());
}
private Collection<String> subject1Names() {
Collection<String> result = new HashBag<String>();
result.add("foo");
result.add("bar");
return result;
}
private Collection<String> subject1Descriptions() {
Collection<String> result = new HashBag<String>();
result.add("this.subject1 description1");
result.add("this.subject1 description2");
return result;
}
private Collection<String> subject2Names() {
Collection<String> result = new HashBag<String>();
result.add("baz");
result.add("bam");
return result;
}
private Collection<String> subject2Descriptions() {
Collection<String> result = new HashBag<String>();
result.add("this.subject2 description1");
result.add("this.subject2 description2");
return result;
}
private LocalCollectionAspectAdapter buildAspectAdapter(PropertyValueModel<TestSubject> subjectHolder) {
return new LocalCollectionAspectAdapter(subjectHolder);
}
private CollectionChangeListener buildValueChangeListener1() {
return new CollectionChangeListener() {
public void itemsAdded(CollectionAddEvent e) {
CollectionAspectAdapterTests.this.value1Changed(e, ADD);
}
public void itemsRemoved(CollectionRemoveEvent e) {
CollectionAspectAdapterTests.this.value1Changed(e, REMOVE);
}
public void collectionCleared(CollectionClearEvent e) {
CollectionAspectAdapterTests.this.value1Changed(e, CLEAR);
}
public void collectionChanged(CollectionChangeEvent e) {
CollectionAspectAdapterTests.this.value1Changed(e, CHANGE);
}
};
}
void value1Changed(CollectionEvent e, String eventType) {
this.event1 = e;
this.event1Type = eventType;
}
@Override
protected void tearDown() throws Exception {
TestTools.clear(this);
super.tearDown();
}
public void testSubjectHolder() {
assertEquals(this.subject1Names(), CollectionTools.bag(this.aa1.iterator()));
assertNull(this.event1);
this.subjectHolder1.setValue(this.subject2);
assertNotNull(this.event1);
assertEquals(this.event1Type, CHANGE);
assertEquals(this.aa1, this.event1.getSource());
assertEquals(CollectionValueModel.VALUES, this.event1.getCollectionName());
assertEquals(this.subject2Names(), CollectionTools.bag(this.aa1.iterator()));
this.event1 = null;
this.event1Type = null;
this.subjectHolder1.setValue(null);
assertNotNull(this.event1);
assertEquals(this.event1Type, CHANGE);
assertEquals(this.aa1, this.event1.getSource());
assertEquals(CollectionValueModel.VALUES, this.event1.getCollectionName());
assertFalse(this.aa1.iterator().hasNext());
this.event1 = null;
this.event1Type = null;
this.subjectHolder1.setValue(this.subject1);
assertNotNull(this.event1);
assertEquals(this.event1Type, CHANGE);
assertEquals(this.aa1, this.event1.getSource());
assertEquals(CollectionValueModel.VALUES, this.event1.getCollectionName());
assertEquals(this.subject1Names(), CollectionTools.bag(this.aa1.iterator()));
}
public void testAdd() {
assertEquals(this.subject1Names(), CollectionTools.bag(this.aa1.iterator()));
assertNull(this.event1);
this.subject1.addName("jam");
assertNotNull(this.event1);
assertEquals(this.event1Type, ADD);
assertEquals(this.aa1, this.event1.getSource());
assertEquals(CollectionValueModel.VALUES, this.event1.getCollectionName());
assertEquals("jam", ((CollectionAddEvent) this.event1).getItems().iterator().next());
Collection<String> namesPlus = this.subject1Names();
namesPlus.add("jam");
assertEquals(namesPlus, CollectionTools.bag(this.aa1.iterator()));
this.event1 = null;
this.event1Type = null;
this.aa1.addAll(Collections.singleton("jaz"));
assertNotNull(this.event1);
assertEquals(this.event1Type, ADD);
assertEquals(this.aa1, this.event1.getSource());
assertEquals(CollectionValueModel.VALUES, this.event1.getCollectionName());
assertEquals("jaz", ((CollectionAddEvent) this.event1).getItems().iterator().next());
namesPlus.add("jaz");
assertEquals(namesPlus, CollectionTools.bag(this.aa1.iterator()));
}
public void testRemove() {
assertEquals(this.subject1Names(), CollectionTools.bag(this.aa1.iterator()));
assertNull(this.event1);
this.subject1.removeName("foo");
assertNotNull(this.event1);
assertEquals(this.event1Type, REMOVE);
assertEquals(this.aa1, this.event1.getSource());
assertEquals(CollectionValueModel.VALUES, this.event1.getCollectionName());
assertEquals("foo", ((CollectionRemoveEvent) this.event1).getItems().iterator().next());
Collection<String> namesMinus = this.subject1Names();
namesMinus.remove("foo");
assertEquals(namesMinus, CollectionTools.bag(this.aa1.iterator()));
this.event1 = null;
this.event1Type = null;
this.aa1.removeAll(Collections.singleton("bar"));
assertNotNull(this.event1);
assertEquals(this.event1Type, REMOVE);
assertEquals(this.aa1, this.event1.getSource());
assertEquals(CollectionValueModel.VALUES, this.event1.getCollectionName());
assertEquals("bar", ((CollectionRemoveEvent) this.event1).getItems().iterator().next());
namesMinus.remove("bar");
assertEquals(namesMinus, CollectionTools.bag(this.aa1.iterator()));
}
public void testCollectionChange() {
assertEquals(this.subject1Names(), CollectionTools.bag(this.aa1.iterator()));
assertNull(this.event1);
this.subject1.addTwoNames("jam", "jaz");
assertNotNull(this.event1);
assertEquals(this.event1Type, CHANGE);
assertEquals(this.aa1, this.event1.getSource());
assertEquals(CollectionValueModel.VALUES, this.event1.getCollectionName());
Collection<String> namesPlus2 = this.subject1Names();
namesPlus2.add("jam");
namesPlus2.add("jaz");
assertEquals(namesPlus2, CollectionTools.bag(this.aa1.iterator()));
}
public void testIterator() {
assertEquals(this.subject1Names(), CollectionTools.bag(this.subject1.names()));
assertEquals(this.subject1Names(), CollectionTools.bag(this.aa1.iterator()));
}
public void testSize() {
assertEquals(this.subject1Names().size(), CollectionTools.size(this.subject1.names()));
assertEquals(this.subject1Names().size(), CollectionTools.size(this.aa1.iterator()));
}
public void testHasListeners() {
assertTrue(this.aa1.hasAnyCollectionChangeListeners(CollectionValueModel.VALUES));
assertTrue(this.subject1.hasAnyCollectionChangeListeners(TestSubject.NAMES_COLLECTION));
this.aa1.removeCollectionChangeListener(CollectionValueModel.VALUES, this.listener1);
assertFalse(this.subject1.hasAnyCollectionChangeListeners(TestSubject.NAMES_COLLECTION));
assertFalse(this.aa1.hasAnyCollectionChangeListeners(CollectionValueModel.VALUES));
ChangeListener listener2 = new ChangeAdapter();
this.aa1.addChangeListener(listener2);
assertTrue(this.aa1.hasAnyCollectionChangeListeners(CollectionValueModel.VALUES));
assertTrue(this.subject1.hasAnyCollectionChangeListeners(TestSubject.NAMES_COLLECTION));
this.aa1.removeChangeListener(listener2);
assertFalse(this.subject1.hasAnyCollectionChangeListeners(TestSubject.NAMES_COLLECTION));
assertFalse(this.aa1.hasAnyCollectionChangeListeners(CollectionValueModel.VALUES));
}
// ********** inner class **********
private class TestSubject extends AbstractModel {
private Collection<String> names;
public static final String NAMES_COLLECTION = "names";
private Collection<String> descriptions;
public static final String DESCRIPTIONS_COLLECTION = "descriptions";
public TestSubject() {
this.names = new HashBag<String>();
this.descriptions = new HashBag<String>();
}
public Iterator<String> names() {
return new ReadOnlyIterator<String>(this.names);
}
public void addName(String name) {
if (this.names.add(name)) {
this.fireItemAdded(NAMES_COLLECTION, name);
}
}
public void addNames(Iterator<String> newNames) {
while (newNames.hasNext()) {
this.addName(newNames.next());
}
}
public void addNames(Collection<String> newNames) {
this.addNames(newNames.iterator());
}
public void addTwoNames(String name1, String name2) {
if (this.names.add(name1) | this.names.add(name2)) {
this.fireCollectionChanged(NAMES_COLLECTION, this.names);
}
}
public void removeName(String name) {
if (this.names.remove(name)) {
this.fireItemRemoved(NAMES_COLLECTION, name);
}
}
public Iterator<String> descriptions() {
return new ReadOnlyIterator<String>(this.descriptions);
}
public void addDescription(String description) {
if (this.descriptions.add(description)) {
this.fireItemAdded(DESCRIPTIONS_COLLECTION, description);
}
}
public void addDescriptions(Iterator<String> newDescriptions) {
while (newDescriptions.hasNext()) {
this.addDescription(newDescriptions.next());
}
}
public void addDescriptions(Collection<String> newDescriptions) {
this.addDescriptions(newDescriptions.iterator());
}
public void removeDescription(String description) {
if (this.descriptions.remove(description)) {
this.fireItemRemoved(DESCRIPTIONS_COLLECTION, description);
}
}
}
// this is not a typical aspect adapter - the value is determined by the aspect name
private class LocalCollectionAspectAdapter extends CollectionAspectAdapter<TestSubject, String> {
LocalCollectionAspectAdapter(PropertyValueModel<TestSubject> subjectHolder) {
super(subjectHolder, TestSubject.NAMES_COLLECTION);
}
@Override
protected Iterator<String> iterator_() {
if (this.collectionNames[0] == TestSubject.NAMES_COLLECTION) {
return this.subject.names();
}
if (this.collectionNames[0] == TestSubject.DESCRIPTIONS_COLLECTION) {
return this.subject.descriptions();
}
throw new IllegalStateException("invalid aspect name: " + this.collectionNames[0]);
}
public void add(String item) {
if (this.collectionNames[0] == TestSubject.NAMES_COLLECTION) {
this.subject.addName(item);
} else if (this.collectionNames[0] == TestSubject.DESCRIPTIONS_COLLECTION) {
this.subject.addDescription(item);
} else {
throw new IllegalStateException("invalid aspect name: " + this.collectionNames[0]);
}
}
public void addAll(Collection<String> items) {
for (Iterator<String> stream = items.iterator(); stream.hasNext(); ) {
this.add(stream.next());
}
}
public void remove(Object item) {
if (this.collectionNames[0] == TestSubject.NAMES_COLLECTION) {
this.subject.removeName((String) item);
} else if (this.collectionNames[0] == TestSubject.DESCRIPTIONS_COLLECTION) {
this.subject.removeDescription((String) item);
} else {
throw new IllegalStateException("invalid aspect name: " + this.collectionNames[0]);
}
}
public void removeAll(Collection<String> items) {
for (Iterator<String> stream = items.iterator(); stream.hasNext(); ) {
this.remove(stream.next());
}
}
}
}
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