com.rcpcompany.uibindings.extests.manager.AbstractPreferenceStoreEnumTest.java Source code

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Here is the source code for com.rcpcompany.uibindings.extests.manager.AbstractPreferenceStoreEnumTest.java

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/*******************************************************************************
 * Copyright (c) 2006-2013 The RCP Company 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:
 *     The RCP Company - initial API and implementation
 *******************************************************************************/
package com.rcpcompany.uibindings.extests.manager;

import static com.rcpcompany.test.utils.BaseTestUtils.*;
import static org.junit.Assert.*;

import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.common.notify.impl.AdapterImpl;
import org.eclipse.emf.ecore.EStructuralFeature;
import org.eclipse.jface.preference.IPreferenceStore;
import org.junit.Before;
import org.junit.Test;

import com.rcpcompany.uibindings.IManager;
import com.rcpcompany.uibindings.internal.Activator;
import com.rcpcompany.uibindings.tests.utils.BaseUIBTestUtils;

public abstract class AbstractPreferenceStoreEnumTest<E extends Enum<E>> {

    /**
     * Returns the default value for this enumeration in the preference store.
     * 
     * @return the default value
     */
    public abstract E getDefault();

    /**
     * Returns an array with all the value enumeration values.
     * 
     * @return the values
     */
    public abstract E[] getValues();

    /**
     * Returns the structural feature of this enumeration.
     * 
     * @return the feature
     */
    public abstract EStructuralFeature getFeature();

    /**
     * Returns the preference name for the enumeration
     * 
     * @return the name
     */
    public abstract String getPreferenceName();

    /**
     * The manager...
     */
    public final IManager m = IManager.Factory.getManager();

    private final class TestAdapter extends AdapterImpl {
        public int called = 0;
        private final E myOldValue;
        private final E myNewValue;

        private TestAdapter(E oldValue, E newValue) {
            myOldValue = oldValue;
            myNewValue = newValue;
        }

        @Override
        public void notifyChanged(Notification msg) {
            if (msg.getEventType() == Notification.REMOVING_ADAPTER)
                return;
            assertEquals(Notification.SET, msg.getEventType());
            assertEquals(getFeature(), msg.getFeature());
            assertEquals(myOldValue, msg.getOldValue());
            assertEquals(myNewValue, msg.getNewValue());

            called += 1;
        }
    }

    @Before
    public void before() {
        BaseUIBTestUtils.resetAll();
    }

    public void testPS2M(final E newValue) {
        final E oldValue = (E) m.eGet(getFeature());
        final TestAdapter adapter = new TestAdapter(oldValue, newValue);

        final IPreferenceStore ps = Activator.getDefault().getPreferenceStore();

        m.eAdapters().add(adapter);
        assertNoLog(new Runnable() {
            @Override
            public void run() {
                ps.setValue(getPreferenceName(), newValue.name());
            }
        });
        assertEquals(oldValue + " -> " + newValue, 1, adapter.called);
        m.eAdapters().remove(adapter);
        assertEquals(newValue, m.eGet(getFeature()));
    }

    public void testPS2MError(final String newValue) {
        final E oldValue = (E) m.eGet(getFeature());
        final TestAdapter adapter = new TestAdapter(oldValue, oldValue);

        final IPreferenceStore ps = Activator.getDefault().getPreferenceStore();

        m.eAdapters().add(adapter);
        assertOneLog(new Runnable() {
            @Override
            public void run() {
                ps.setValue(getPreferenceName(), newValue);
            }
        });
        assertEquals(oldValue + " -> " + newValue, 0, adapter.called);
        m.eAdapters().remove(adapter);
    }

    /**
     * Tests for {@link IManager#getE()}.
     */
    @Test
    public void testGet() {
        final IPreferenceStore ps = Activator.getDefault().getPreferenceStore();
        assertNoLog(new Runnable() {
            @Override
            public void run() {
                assertNotNull(ps);

                final String value = ps.getString(getPreferenceName());
                assertEquals(getDefault().name(), value);
                assertEquals(getDefault(), m.eGet(getFeature()));

                ps.setValue(getPreferenceName(), getValues()[1].name());

                for (final E s : getValues()) {
                    testPS2M(s);
                }
            }
        });
        testPS2MError("sdsdsdsdsd");
        ps.setValue(getPreferenceName(), getDefault().name());
    }

    public void testM2PS(final E newValue) {
        final E oldValue = (E) m.eGet(getFeature());
        final TestAdapter adapter = new TestAdapter(oldValue, newValue);

        final IPreferenceStore ps = Activator.getDefault().getPreferenceStore();

        assertNoLog(new Runnable() {
            @Override
            public void run() {
                m.eAdapters().add(adapter);
                m.eSet(getFeature(), newValue);
                assertEquals(1, adapter.called);
                m.eAdapters().remove(adapter);

            }
        });
        final String s = ps.getString(getPreferenceName());
        assertEquals(newValue.name(), s);
        assertEquals(newValue, m.eGet(getFeature()));
    }

    /**
     * Tests of {@link IManager#setE(E)}.
     */
    @Test
    public void testSet() {
        assertNoLog(new Runnable() {
            @Override
            public void run() {
                for (final E s : getValues()) {
                    testM2PS(s);
                }
                m.eSet(getFeature(), getDefault());
            }
        });
    }
}