ValueStatePropertyValueModelAdapterTests.java

/*******************************************************************************
 * Copyright (c) 1998, 2015 Oracle and/or its affiliates. All rights reserved.
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v1.0 and Eclipse Distribution License v. 1.0
 * which accompanies this distribution.
 * The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html
 * and the Eclipse Distribution License is available at
 * http://www.eclipse.org/org/documents/edl-v10.php.
 *
 * Contributors:
 *     Oracle - initial API and implementation from Oracle TopLink
******************************************************************************/
package org.eclipse.persistence.tools.workbench.test.uitools.app;

import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;

import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;

import org.eclipse.persistence.tools.workbench.test.utility.TestTools;
import org.eclipse.persistence.tools.workbench.uitools.app.SimplePropertyValueModel;
import org.eclipse.persistence.tools.workbench.uitools.app.ValueModel;
import org.eclipse.persistence.tools.workbench.uitools.app.ValueStatePropertyValueModelAdapter;
import org.eclipse.persistence.tools.workbench.utility.AbstractModel;


public class ValueStatePropertyValueModelAdapterTests extends TestCase {
    private Junk junk;
    private SimplePropertyValueModel junkHolder;
    private ValueStatePropertyValueModelAdapter junkHolder2;

    public static Test suite() {
        return new TestSuite(ValueStatePropertyValueModelAdapterTests.class);
    }

    public ValueStatePropertyValueModelAdapterTests(String name) {
        super(name);
    }

    protected void setUp() throws Exception {
        super.setUp();
        this.junk = new Junk("foo");
        this.junkHolder = new SimplePropertyValueModel(this.junk);
        this.junkHolder2 = new ValueStatePropertyValueModelAdapter(this.junkHolder);
    }

    protected void tearDown() throws Exception {
        TestTools.clear(this);
        super.tearDown();
    }

    public void testWrappedPVM() {
        Junk junk2 = new Junk("bar");
        LocalListener l = new LocalListener(this.junkHolder2, this.junk, junk2);
        this.junkHolder2.addPropertyChangeListener(l);
        this.junkHolder.setValue(junk2);
        assertTrue(l.eventReceived());
    }

    public void testHasListeners() throws Exception {
        assertFalse(this.junkHolder.hasAnyPropertyChangeListeners(ValueModel.VALUE));
        assertFalse(this.junkHolder2.hasAnyPropertyChangeListeners(ValueModel.VALUE));

        PropertyChangeListener l = new LocalListener(this.junkHolder2, null, this.junk);
        this.junkHolder2.addPropertyChangeListener(l);
        assertTrue(this.junkHolder.hasAnyPropertyChangeListeners(ValueModel.VALUE));
        assertTrue(this.junkHolder2.hasAnyPropertyChangeListeners(ValueModel.VALUE));

        this.junkHolder2.removePropertyChangeListener(l);
        assertFalse(this.junkHolder.hasAnyPropertyChangeListeners(ValueModel.VALUE));
        assertFalse(this.junkHolder2.hasAnyPropertyChangeListeners(ValueModel.VALUE));
    }

    public void testChangeState() {
        LocalListener l = new LocalListener(this.junkHolder2, null, this.junk);
        this.junkHolder2.addPropertyChangeListener(l);
        this.junk.setName("bar");
        assertTrue(l.eventReceived());
    }


    private class LocalListener implements PropertyChangeListener {
        private boolean eventReceived = false;
        private final Object source;
        private final Object oldValue;
        private final Object newValue;
        LocalListener(Object source, Object oldValue, Object newValue) {
            super();
            this.source = source;
            this.oldValue = oldValue;
            this.newValue = newValue;
        }
        public void propertyChange(PropertyChangeEvent e) {
            this.eventReceived = true;
            assertEquals(this.source, e.getSource());
            assertEquals(this.oldValue, e.getOldValue());
            assertEquals(this.newValue, e.getNewValue());
            assertEquals(ValueModel.VALUE, e.getPropertyName());
        }
        boolean eventReceived() {
            return this.eventReceived;
        }
    }

    private class Junk extends AbstractModel {
        private String name;
            public static final String NAME_PROPERTY = "name";

        public Junk(String name) {
            this.name = name;
        }

        public void setName(String name) {
            this.name = name;
            this.fireStateChanged();
        }

        public String toString() {
            return "Junk(" + this.name + ")";
        }

    }

}