org.eclipse.smila.utils.test.TestExtensions.java Source code

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Here is the source code for org.eclipse.smila.utils.test.TestExtensions.java

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/***********************************************************************************************************************
 * Copyright (c) 2008 empolis GmbH and brox IT Solutions GmbH. 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: Ivan Churkin (brox IT Solutions GmbH) - initial creator
 **********************************************************************************************************************/
package org.eclipse.smila.utils.test;

import junit.framework.TestCase;

import org.apache.commons.logging.LogFactory;
import org.eclipse.core.runtime.Platform;
import org.eclipse.smila.utils.extensions.AbstractCollectionPluginRegistry;
import org.eclipse.smila.utils.extensions.AbstractSinglePluginRegistry;
import org.eclipse.smila.utils.test.interfaces.TestPluginInterface;
import org.osgi.framework.Bundle;
import org.osgi.framework.BundleException;

/**
 * The Class TestExtensions.
 */
public class TestExtensions extends TestCase {

    /**
     * The Constant PAUSE.
     */
    private static final int PAUSE = 500;

    /**
     * {@inheritDoc}
     */
    @Override
    protected void setUp() throws Exception {
        super.setUp();
        // to increase coverage
        LogFactory.getFactory().setAttribute("log4j.logger.org.eclipse.smila", "TRACE, file");
    }

    /**
     * Test registry.
     * 
     * @throws BundleException
     *           the bundle exception
     */
    public void testRegistry() throws BundleException {
        final TestCollectionRegistry collectionRegistry = new TestCollectionRegistry();
        final TestSingleRegistry singleRegistry = new TestSingleRegistry();
        TestPluginInterface[] plugins = collectionRegistry.getPlugins();
        assertEquals(plugins.length, 1);
        TestPluginInterface plugin = singleRegistry.getPlugin();
        assertNotNull(plugin);
        final Bundle bundle = Platform.getBundle("org.eclipse.smila.utils.test.plugin");
        assertNotNull(bundle);
        bundle.uninstall();
        try {
            Thread.sleep(PAUSE);
        } catch (final InterruptedException e) {
            ;// nothing
        }
        plugins = collectionRegistry.getPlugins();
        assertEquals(plugins.length, 0);
        plugin = singleRegistry.getPlugin();
        assertNull(plugin);
    }

    /**
     * The Class TestRegistry.
     */
    private static class TestCollectionRegistry extends AbstractCollectionPluginRegistry<TestPluginInterface> {

        /**
         * {@inheritDoc}
         * 
         * @see org.eclipse.smila.utils.extensions.AbstractCollectionPluginRegistry#createEmptyArray(int)
         */
        @Override
        protected TestPluginInterface[] createEmptyArray(final int size) {
            return new TestPluginInterface[size];
        }

        /**
         * {@inheritDoc}
         * 
         * @see org.eclipse.smila.utils.extensions.AbstractPluginRegistryBase#getExtensionPointLocalName()
         */
        @Override
        protected String getExtensionPointLocalName() {
            return "plugin";
        }

        /**
         * {@inheritDoc}
         * 
         * @see org.eclipse.smila.utils.extensions.AbstractPluginRegistryBase#getExtensionPointNameSpace()
         */
        @Override
        protected String getExtensionPointNameSpace() {
            return "org.eclipse.smila.utils.test";
        }

    }

    /**
     * The Class TestSingleRegistry.
     */
    private static class TestSingleRegistry extends AbstractSinglePluginRegistry<TestPluginInterface> {

        /**
         * {@inheritDoc}
         * 
         * @see org.eclipse.smila.utils.extensions.AbstractPluginRegistryBase#getExtensionPointLocalName()
         */
        @Override
        protected String getExtensionPointLocalName() {
            return "plugin";
        }

        /**
         * {@inheritDoc}
         * 
         * @see org.eclipse.smila.utils.extensions.AbstractPluginRegistryBase#getExtensionPointNameSpace()
         */
        @Override
        protected String getExtensionPointNameSpace() {
            return "org.eclipse.smila.utils.test";
        }

    }

}