RadioButtonModelAdapterTests.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.swing;

import javax.swing.ButtonModel;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;
import javax.swing.event.EventListenerList;

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.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.uitools.app.swing.RadioButtonModelAdapter;
import org.eclipse.persistence.tools.workbench.utility.ClassTools;


public class RadioButtonModelAdapterTests extends TestCase {
    private PropertyValueModel valueHolder;

    private ButtonModel redButtonModelAdapter;
    private ChangeListener redListener;
    boolean redEventFired;

    private ButtonModel greenButtonModelAdapter;
    private ChangeListener greenListener;
    boolean greenEventFired;

    private ButtonModel blueButtonModelAdapter;
    private ChangeListener blueListener;
    boolean blueEventFired;

//    private ButtonGroup buttonGroup;    // DO NOT use a ButtonGroup

    private static final String RED = "red";
    private static final String GREEN = "green";
    private static final String BLUE = "blue";

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

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

    protected void setUp() throws Exception {
        super.setUp();
        this.valueHolder = new SimplePropertyValueModel(null);
//        buttonGroup = new ButtonGroup();

        this.redButtonModelAdapter = new RadioButtonModelAdapter(this.valueHolder, RED);
//        this.redButtonModelAdapter.setGroup(buttonGroup);
        this.redListener = new TestChangeListener() {
            public void stateChanged(ChangeEvent e) {
                RadioButtonModelAdapterTests.this.redEventFired = true;
            }
        };

        this.greenButtonModelAdapter = new RadioButtonModelAdapter(this.valueHolder, GREEN);
//        this.greenButtonModelAdapter.setGroup(buttonGroup);
        this.greenListener = new TestChangeListener() {
            public void stateChanged(ChangeEvent e) {
                RadioButtonModelAdapterTests.this.greenEventFired = true;
            }
        };

        this.blueButtonModelAdapter = new RadioButtonModelAdapter(this.valueHolder, BLUE);
//        this.blueButtonModelAdapter.setGroup(buttonGroup);
        this.blueListener = new TestChangeListener() {
            public void stateChanged(ChangeEvent e) {
                RadioButtonModelAdapterTests.this.blueEventFired = true;
            }
        };

        this.clearFlags();
    }

    private void listenToModelAdapters() {
        this.redButtonModelAdapter.addChangeListener(this.redListener);
        this.greenButtonModelAdapter.addChangeListener(this.greenListener);
        this.blueButtonModelAdapter.addChangeListener(this.blueListener);
    }

    private void clearFlags() {
        this.redEventFired = false;
        this.greenEventFired = false;
        this.blueEventFired = false;
    }

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

    public void testSetSelected() throws Exception {
        this.listenToModelAdapters();

        this.greenButtonModelAdapter.setSelected(true);
        assertFalse(this.redEventFired);
        assertTrue(this.greenEventFired);
        assertFalse(this.blueEventFired);
        assertEquals(GREEN, this.valueHolder.getValue());

        this.clearFlags();
        this.blueButtonModelAdapter.setSelected(true);
        assertFalse(this.redEventFired);
        assertTrue(this.greenEventFired);
        assertTrue(this.blueEventFired);
        assertEquals(BLUE, this.valueHolder.getValue());

        this.clearFlags();
        this.redButtonModelAdapter.setSelected(true);
        assertTrue(this.redEventFired);
        assertFalse(this.greenEventFired);
        assertTrue(this.blueEventFired);
        assertEquals(RED, this.valueHolder.getValue());
    }

    public void testSetValue() throws Exception {
        this.listenToModelAdapters();

        this.greenButtonModelAdapter.setSelected(true);

        this.clearFlags();
        this.valueHolder.setValue(BLUE);
        assertFalse(this.redEventFired);
        assertTrue(this.greenEventFired);
        assertTrue(this.blueEventFired);
        assertFalse(this.redButtonModelAdapter.isSelected());
        assertFalse(this.greenButtonModelAdapter.isSelected());
        assertTrue(this.blueButtonModelAdapter.isSelected());

        this.clearFlags();
        this.valueHolder.setValue(RED);
        assertTrue(this.redEventFired);
        assertFalse(this.greenEventFired);
        assertTrue(this.blueEventFired);
        assertTrue(this.redButtonModelAdapter.isSelected());
        assertFalse(this.greenButtonModelAdapter.isSelected());
        assertFalse(this.blueButtonModelAdapter.isSelected());
    }

    public void testDefaultValue() throws Exception {
        this.listenToModelAdapters();

        this.valueHolder.setValue(GREEN);
        assertFalse(this.redButtonModelAdapter.isSelected());
        assertTrue(this.greenButtonModelAdapter.isSelected());
        assertFalse(this.blueButtonModelAdapter.isSelected());

        this.clearFlags();
        this.valueHolder.setValue(null);
        assertFalse(this.redEventFired);
        assertTrue(this.greenEventFired);
        assertFalse(this.blueEventFired);
        assertFalse(this.redButtonModelAdapter.isSelected());
        assertFalse(this.greenButtonModelAdapter.isSelected());
        assertFalse(this.blueButtonModelAdapter.isSelected());

        this.clearFlags();
        this.valueHolder.setValue(BLUE);
        assertFalse(this.redEventFired);
        assertFalse(this.greenEventFired);
        assertTrue(this.blueEventFired);
        assertFalse(this.redButtonModelAdapter.isSelected());
        assertFalse(this.greenButtonModelAdapter.isSelected());
        assertTrue(this.blueButtonModelAdapter.isSelected());
    }

    public void testHasListeners() throws Exception {
        SimplePropertyValueModel localValueHolder = (SimplePropertyValueModel) this.valueHolder;
        assertFalse(localValueHolder.hasAnyPropertyChangeListeners(ValueModel.VALUE));
        this.verifyHasNoListeners(this.redButtonModelAdapter);
        this.verifyHasNoListeners(this.greenButtonModelAdapter);
        this.verifyHasNoListeners(this.blueButtonModelAdapter);

        ChangeListener listener = new TestChangeListener();
        this.redButtonModelAdapter.addChangeListener(listener);
        assertTrue(localValueHolder.hasAnyPropertyChangeListeners(ValueModel.VALUE));
        this.verifyHasListeners(this.redButtonModelAdapter);
        this.verifyHasNoListeners(this.greenButtonModelAdapter);
        this.verifyHasNoListeners(this.blueButtonModelAdapter);

        this.redButtonModelAdapter.removeChangeListener(listener);
        assertFalse(localValueHolder.hasAnyPropertyChangeListeners(ValueModel.VALUE));
        this.verifyHasNoListeners(this.redButtonModelAdapter);
        this.verifyHasNoListeners(this.greenButtonModelAdapter);
        this.verifyHasNoListeners(this.blueButtonModelAdapter);
    }

    private void verifyHasNoListeners(Object model) throws Exception {
        EventListenerList listenerList = (EventListenerList) ClassTools.getFieldValue(model, "listenerList");
        assertEquals(0, listenerList.getListenerList().length);
    }

    private void verifyHasListeners(Object model) throws Exception {
        EventListenerList listenerList = (EventListenerList) ClassTools.getFieldValue(model, "listenerList");
        assertFalse(listenerList.getListenerList().length == 0);
    }


private class TestChangeListener implements ChangeListener {
    public void stateChanged(ChangeEvent e) {
        fail("unexpected event");
    }
}

}