PropertyValueModelDisplayableAdapterTests.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;

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

import javax.swing.Icon;
import javax.swing.ImageIcon;

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.Displayable;
import org.eclipse.persistence.tools.workbench.uitools.PropertyValueModelDisplayableAdapter;
import org.eclipse.persistence.tools.workbench.uitools.app.PropertyValueModel;
import org.eclipse.persistence.tools.workbench.uitools.app.SimplePropertyValueModel;
import org.eclipse.persistence.tools.workbench.uitools.app.ValueModel;
import org.eclipse.persistence.tools.workbench.utility.AbstractModel;


public class PropertyValueModelDisplayableAdapterTests
    extends TestCase
{
    private PropertyValueModel objectHolder;
    PropertyChangeEvent event;

    private Displayable displayableAdapter;
    PropertyChangeEvent displayStringEvent;
    PropertyChangeEvent iconEvent;

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

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

    protected void setUp() throws Exception {
        super.setUp();
        this.objectHolder = new SimplePropertyValueModel("foo");
        this.displayableAdapter = this.buildDisplayableAdapter(this.objectHolder);
    }

    private Displayable buildDisplayableAdapter(PropertyValueModel pvm) {
        return new PropertyValueModelDisplayableAdapter(pvm) {
            public String displayString(Object obj) {
                return (obj == null) ? "null" : ((String) obj).toUpperCase();
            }

            public Icon icon(Object obj) {
                return (obj == null) ? null : new ImageIcon(((String) obj).getBytes());
            }
        };
    }

    private PropertyChangeListener buildListener() {
        return new PropertyChangeListener() {
            public void propertyChange(PropertyChangeEvent e) {
                PropertyValueModelDisplayableAdapterTests.this.event = e;
            }
        };
    }

    private PropertyChangeListener buildDisplayStringListener() {
        return new PropertyChangeListener() {
            public void propertyChange(PropertyChangeEvent e) {
                if (e.getPropertyName() == Displayable.DISPLAY_STRING_PROPERTY) {
                    PropertyValueModelDisplayableAdapterTests.this.displayStringEvent = e;
                }
            }
        };
    }

    private PropertyChangeListener buildIconListener() {
        return new PropertyChangeListener() {
            public void propertyChange(PropertyChangeEvent e) {
                if (e.getPropertyName() == Displayable.ICON_PROPERTY) {
                    PropertyValueModelDisplayableAdapterTests.this.iconEvent = e;
                }
            }
        };
    }

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

    public void testDisplayString() {
        assertEquals("foo", this.objectHolder.getValue());
        assertEquals("FOO", this.displayableAdapter.displayString());

        this.objectHolder.setValue("bar");
        assertEquals("bar", this.objectHolder.getValue());
        assertEquals("BAR", this.displayableAdapter.displayString());

        this.objectHolder.setValue(null);
        assertNull(this.objectHolder.getValue());
        assertEquals("null", this.displayableAdapter.displayString());

        this.objectHolder.setValue("foo");
        assertEquals("foo", this.objectHolder.getValue());
        assertEquals("FOO", this.displayableAdapter.displayString());
    }

    public void testIcon() {
        assertEquals("foo", this.objectHolder.getValue());
        assertNotNull(this.displayableAdapter.icon());
    }

    public void testLazyListening() {
        PropertyChangeListener displayStringListener = this.buildDisplayStringListener();
        PropertyChangeListener iconListener = this.buildIconListener();

        assertTrue(((AbstractModel) this.objectHolder).hasNoPropertyChangeListeners(ValueModel.VALUE));

        this.displayableAdapter.addPropertyChangeListener(displayStringListener);
        assertTrue(((AbstractModel) this.objectHolder).hasAnyPropertyChangeListeners(ValueModel.VALUE));
        this.displayableAdapter.addPropertyChangeListener(iconListener);
        assertTrue(((AbstractModel) this.objectHolder).hasAnyPropertyChangeListeners(ValueModel.VALUE));
        this.displayableAdapter.removePropertyChangeListener(iconListener);
        assertTrue(((AbstractModel) this.objectHolder).hasAnyPropertyChangeListeners(ValueModel.VALUE));
        this.displayableAdapter.removePropertyChangeListener(displayStringListener);
        assertTrue(((AbstractModel) this.objectHolder).hasNoPropertyChangeListeners(ValueModel.VALUE));

        this.displayableAdapter.addPropertyChangeListener(Displayable.DISPLAY_STRING_PROPERTY, displayStringListener);
        assertTrue(((AbstractModel) this.objectHolder).hasAnyPropertyChangeListeners(ValueModel.VALUE));
        this.displayableAdapter.removePropertyChangeListener(Displayable.DISPLAY_STRING_PROPERTY, displayStringListener);
        assertTrue(((AbstractModel) this.objectHolder).hasNoPropertyChangeListeners(ValueModel.VALUE));

        this.displayableAdapter.addPropertyChangeListener(Displayable.ICON_PROPERTY, iconListener);
        assertTrue(((AbstractModel) this.objectHolder).hasAnyPropertyChangeListeners(ValueModel.VALUE));
        this.displayableAdapter.removePropertyChangeListener(Displayable.ICON_PROPERTY, iconListener);
        assertTrue(((AbstractModel) this.objectHolder).hasNoPropertyChangeListeners(ValueModel.VALUE));
    }

    public void testPropertyChange1() {
        this.objectHolder.addPropertyChangeListener(this.buildListener());
        this.displayableAdapter.addPropertyChangeListener(this.buildDisplayStringListener());
        this.displayableAdapter.addPropertyChangeListener(this.buildIconListener());
        this.verifyPropertyChanges();
    }

    public void testPropertyChange2() {
        this.objectHolder.addPropertyChangeListener(ValueModel.VALUE, this.buildListener());
        this.displayableAdapter.addPropertyChangeListener(Displayable.DISPLAY_STRING_PROPERTY, this.buildDisplayStringListener());
        this.displayableAdapter.addPropertyChangeListener(Displayable.ICON_PROPERTY, this.buildIconListener());
        this.verifyPropertyChanges();
    }

    private void verifyPropertyChanges() {
        this.event = null;
        this.displayStringEvent = null;
        this.iconEvent = null;
        this.objectHolder.setValue("bar");
        this.verifyEvent(this.event, this.objectHolder, ValueModel.VALUE, "foo", "bar");
        this.verifyEvent(this.displayStringEvent, this.displayableAdapter, Displayable.DISPLAY_STRING_PROPERTY, "FOO", "BAR");
        assertNotNull(this.iconEvent);

        this.event = null;
        this.displayStringEvent = null;
        this.iconEvent = null;
        this.objectHolder.setValue("baz");
        this.verifyEvent(this.event, this.objectHolder, ValueModel.VALUE, "bar", "baz");
        this.verifyEvent(this.displayStringEvent, this.displayableAdapter, Displayable.DISPLAY_STRING_PROPERTY, "BAR", "BAZ");
        assertNotNull(this.iconEvent);

        this.event = null;
        this.displayStringEvent = null;
        this.iconEvent = null;
        this.objectHolder.setValue("Baz");
        this.verifyEvent(this.event, this.objectHolder, ValueModel.VALUE, "baz", "Baz");
        assertNull(this.displayStringEvent);
        assertNotNull(this.iconEvent);

        this.event = null;
        this.displayStringEvent = null;
        this.iconEvent = null;
        this.objectHolder.setValue(null);
        this.verifyEvent(this.event, this.objectHolder, ValueModel.VALUE, "Baz", null);
        this.verifyEvent(this.displayStringEvent, this.displayableAdapter, Displayable.DISPLAY_STRING_PROPERTY, "BAZ", "null");
        assertNotNull(this.iconEvent);

        this.event = null;
        this.displayStringEvent = null;
        this.iconEvent = null;
        this.objectHolder.setValue("foo");
        this.verifyEvent(this.event, this.objectHolder, ValueModel.VALUE, null, "foo");
        this.verifyEvent(this.displayStringEvent, this.displayableAdapter, Displayable.DISPLAY_STRING_PROPERTY, "null", "FOO");
        assertNotNull(this.iconEvent);

        this.event = null;
        this.displayStringEvent = null;
        this.iconEvent = null;
        this.objectHolder.setValue("foo");
        assertNull(this.event);
        assertNull(this.displayStringEvent);
        assertNull(this.iconEvent);
    }

    private void verifyEvent(PropertyChangeEvent pce, Object source, String propertyName, Object oldValue, Object newValue) {
        assertEquals(source, pce.getSource());
        assertEquals(propertyName, pce.getPropertyName());
        assertEquals(oldValue, pce.getOldValue());
        assertEquals(newValue, pce.getNewValue());
    }
}