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/*******************************************************************************
* Copyright (c) 2008, 2018 IBM Corporation and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* IBM - Initial API and implementation
*******************************************************************************/
package org.eclipse.equinox.common.tests.adaptable;
import java.io.IOException;
import junit.framework.TestCase;
import org.eclipse.core.internal.runtime.AdapterManager;
import org.eclipse.core.runtime.IAdapterManager;
import org.eclipse.core.tests.harness.BundleTestingHelper;
import org.eclipse.equinox.common.tests.registry.WaitingRegistryListener;
import org.osgi.framework.Bundle;
import org.osgi.framework.BundleContext;
import org.osgi.framework.BundleException;
import org.osgi.framework.FrameworkUtil;
/**
* Tests reaction of AdapterManager on addition and removal of adapters from
* the extension registry.
*/
public class AdapterManagerDynamicTest extends TestCase {
final private static int MAX_TIME_PER_BUNDLE = 10000; // maximum time to wait for bundle event in milliseconds
// Provided by bundle1; has an extension ID
private static final String BUNDLE1_TYPE_ID = "abc.SomethingElseA1";
// Provided by bundle1; has no extension ID
private static final String BUNDLE1_TYPE_NO_ID = "abc.SomethingElseA2";
// Provided by bundle2; has an extension ID
private static final String BUNDLE2_TYPE_ID = "abc.SomethingElseB1";
// Provided by bundle2; has no extension ID
private static final String BUNDLE2_TYPE_NO_ID = "abc.SomethingElseB2";
private IAdapterManager manager;
public AdapterManagerDynamicTest(String name) {
super(name);
}
public AdapterManagerDynamicTest() {
super("");
}
@Override
protected void setUp() throws Exception {
super.setUp();
manager = AdapterManager.getDefault();
}
@Override
protected void tearDown() throws Exception {
manager = null;
super.tearDown();
}
/**
* This test uses waiting listener for synchronization (events from bundle being
* installed or un-installed are not propagated right away).
*/
public void testDynamicBundles() throws IOException, BundleException {
// check that adapters not available
TestAdaptable adaptable = new TestAdaptable();
assertFalse(manager.hasAdapter(adaptable, BUNDLE1_TYPE_ID));
assertFalse(manager.hasAdapter(adaptable, BUNDLE1_TYPE_NO_ID));
assertFalse(manager.hasAdapter(adaptable, BUNDLE2_TYPE_ID));
assertFalse(manager.hasAdapter(adaptable, BUNDLE2_TYPE_NO_ID));
Bundle bundle01 = null;
Bundle bundle02 = null;
WaitingRegistryListener listener = new WaitingRegistryListener();
listener.register("org.eclipse.core.runtime.adapters");
try {
BundleContext bundleContext = FrameworkUtil.getBundle(getClass()).getBundleContext();
bundle01 = BundleTestingHelper.installBundle("0.1", bundleContext, "Plugin_Testing/adapters/dynamic/A");
bundle02 = BundleTestingHelper.installBundle("0.2", bundleContext, "Plugin_Testing/adapters/dynamic/B");
BundleTestingHelper.refreshPackages(bundleContext, new Bundle[] {bundle01, bundle02});
// synchronization: listener should receive 2 groups of events
assertTrue(listener.waitFor(2, 2 * MAX_TIME_PER_BUNDLE) == 2);
// now has to have all 4 adapters
assertTrue(manager.hasAdapter(adaptable, BUNDLE1_TYPE_ID));
assertTrue(manager.hasAdapter(adaptable, BUNDLE1_TYPE_NO_ID));
assertTrue(manager.hasAdapter(adaptable, BUNDLE2_TYPE_ID));
assertTrue(manager.hasAdapter(adaptable, BUNDLE2_TYPE_NO_ID));
listener.reset();
bundle02.uninstall();
bundle02 = null;
// synchronization: listener should receive 1 group of events
assertTrue(listener.waitFor(1, MAX_TIME_PER_BUNDLE) == 1);
// now 2 installed; 2 not
assertTrue(manager.hasAdapter(adaptable, BUNDLE1_TYPE_ID));
assertTrue(manager.hasAdapter(adaptable, BUNDLE1_TYPE_NO_ID));
assertFalse(manager.hasAdapter(adaptable, BUNDLE2_TYPE_ID));
assertFalse(manager.hasAdapter(adaptable, BUNDLE2_TYPE_NO_ID));
listener.reset();
bundle01.uninstall();
bundle01 = null;
// synchronization: listener should receive 1 group of events
assertTrue(listener.waitFor(1, MAX_TIME_PER_BUNDLE) == 1);
// and all should be uninstalled again
assertFalse(manager.hasAdapter(adaptable, BUNDLE1_TYPE_ID));
assertFalse(manager.hasAdapter(adaptable, BUNDLE1_TYPE_NO_ID));
assertFalse(manager.hasAdapter(adaptable, BUNDLE2_TYPE_ID));
assertFalse(manager.hasAdapter(adaptable, BUNDLE2_TYPE_NO_ID));
} finally {
listener.unregister();
// in case of exception in the process
if (bundle01 != null) {
bundle01.uninstall();
}
if (bundle02 != null) {
bundle02.uninstall();
}
}
}
}
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