| /******************************************************************************* |
| * Copyright (c) 2013 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 Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.osgi.tests.bundles; |
| |
| import java.util.Map; |
| import junit.framework.Test; |
| import junit.framework.TestSuite; |
| import org.eclipse.osgi.launch.Equinox; |
| |
| /* |
| * The framework must persist data according to the value of the |
| * eclipse.stateSaveDelayInterval property. The value is of type long and |
| * represents the number of milliseconds between persists. A positive value |
| * represents the number of milliseconds between persists. A value of zero |
| * indicates data should be immediately persisted with each update. A negative |
| * value disables persistence on update altogether (but data will still be |
| * persisted on shutdown). |
| * |
| */ |
| public class PersistedBundleTests extends AbstractBundleTests { |
| |
| private static final String ECLIPSE_STATESAVEDELAYINTERVAL = "eclipse.stateSaveDelayInterval"; |
| |
| private static final String IMMEDIATE_PERSISTENCE = "0"; |
| private static final String NO_PERSISTENCE = "-1"; |
| private static final String PERIODIC_PERSISTENCE = "4000"; |
| |
| @Override |
| protected void setUp() throws Exception { |
| super.setUp(); |
| } |
| |
| @Override |
| protected void tearDown() throws Exception { |
| super.tearDown(); |
| } |
| |
| public static Test suite() { |
| return new TestSuite(PersistedBundleTests.class); |
| } |
| |
| /* |
| * Test that a value of zero for eclipse.stateSaveDelayInterval results in |
| * immediate persistence. |
| */ |
| public void testImmediatePersistence() throws Exception { |
| Map<String, Object> configuration = createConfiguration(); |
| configuration.put(ECLIPSE_STATESAVEDELAYINTERVAL, IMMEDIATE_PERSISTENCE); |
| Equinox equinox1 = new Equinox(configuration); |
| initAndStart(equinox1); |
| try { |
| assertNull("Bundle exists", equinox1.getBundleContext().getBundle(getName())); |
| equinox1.getBundleContext().installBundle(getName(), new BundleBuilder().symbolicName(getName()).build()); |
| Equinox equinox2 = new Equinox(configuration); |
| initAndStart(equinox2); |
| try { |
| assertNotNull("Bundle does not exist", equinox2.getBundleContext().getBundle(getName())); |
| } finally { |
| stopQuietly(equinox2); |
| } |
| } finally { |
| stopQuietly(equinox1); |
| } |
| } |
| |
| /* |
| * Test that a negative value for eclipse.stateSaveDelayInterval results in |
| * no persistence. |
| */ |
| public void testNoPersistence() throws Exception { |
| Map<String, Object> configuration = createConfiguration(); |
| configuration.put(ECLIPSE_STATESAVEDELAYINTERVAL, NO_PERSISTENCE); |
| Equinox equinox1 = new Equinox(configuration); |
| initAndStart(equinox1); |
| try { |
| assertNull("Bundle exists", equinox1.getBundleContext().getBundle(getName())); |
| equinox1.getBundleContext().installBundle(getName(), new BundleBuilder().symbolicName(getName()).build()); |
| Thread.sleep(Long.valueOf(PERIODIC_PERSISTENCE)); |
| Equinox equinox2 = new Equinox(configuration); |
| initAndStart(equinox2); |
| try { |
| assertNull("Bundle exists", equinox2.getBundleContext().getBundle(getName())); |
| } finally { |
| stopQuietly(equinox2); |
| } |
| } finally { |
| stopQuietly(equinox1); |
| } |
| // make sure it persisted after successful stop |
| equinox1 = new Equinox(configuration); |
| initAndStart(equinox1); |
| try { |
| assertNotNull("Bundle does not exists", equinox1.getBundleContext().getBundle(getName())); |
| } finally { |
| stopQuietly(equinox1); |
| } |
| } |
| |
| /* |
| * Test that a positive value for eclipse.stateSaveDelayInterval results in |
| * periodic persistence. |
| */ |
| public void testPeriodicPersistence() throws Exception { |
| // Specify periodic persistence in the configuration. |
| Map<String, Object> configuration = createConfiguration(); |
| configuration.put(ECLIPSE_STATESAVEDELAYINTERVAL, PERIODIC_PERSISTENCE); |
| // Create an equinox instance that will be responsible for persisting |
| // the bundle once the first period elapses. |
| Equinox equinox1 = new Equinox(configuration); |
| initAndStart(equinox1); |
| try { |
| // The bundle has not yet been installed. |
| assertNull("Bundle exists", equinox1.getBundleContext().getBundle(getName())); |
| // Install the bundle. |
| equinox1.getBundleContext().installBundle(getName(), new BundleBuilder().symbolicName(getName()).build()); |
| // Create a second equinox instance to ensure the first instance |
| // has not yet persisted the bundle. |
| Equinox equinox2 = new Equinox(configuration); |
| initAndStart(equinox2); |
| try { |
| // The bundle should not have been persisted and therefore be |
| // unknown to the second equinox instance. This check must |
| // happen before the first period elapses. |
| assertNull("Bundle exists", equinox2.getBundleContext().getBundle(getName())); |
| stopQuietly(equinox2); |
| // Ensure the first instance is given a reasonable amount of |
| // time to persist the bundle. |
| Thread.sleep(Long.valueOf(PERIODIC_PERSISTENCE) + 2000); |
| equinox2 = new Equinox(configuration); |
| initAndStart(equinox2); |
| // The persisted bundle should now be visible to the second |
| // equinox instance. |
| assertNotNull("Bundle does not exist", equinox2.getBundleContext().getBundle(getName())); |
| } finally { |
| stopQuietly(equinox2); |
| } |
| } finally { |
| stopQuietly(equinox1); |
| } |
| } |
| |
| } |