| /******************************************************************************* |
| * Copyright (c) 2010, 2015 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 |
| * Lars Vogel <Lars.Vogel@vogella.com> - Bug 474274 |
| ******************************************************************************/ |
| package org.eclipse.e4.core.internal.tests.di; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertNotNull; |
| |
| import javax.annotation.PostConstruct; |
| import javax.annotation.PreDestroy; |
| import javax.inject.Inject; |
| |
| import org.eclipse.e4.core.contexts.ContextInjectionFactory; |
| import org.eclipse.e4.core.contexts.EclipseContextFactory; |
| import org.eclipse.e4.core.contexts.IEclipseContext; |
| import org.eclipse.e4.core.di.annotations.Optional; |
| import org.eclipse.e4.core.di.extensions.EventTopic; |
| import org.junit.Test; |
| /** |
| * Checks that injected objects that do not have normal links |
| * established to the context are still notified on context |
| * disposal. |
| * (No links: nothing was actually injected; or only IEclipseContext was injected; |
| * or constructor injection was used.) |
| * See bug https://bugs.eclipse.org/bugs/show_bug.cgi?id=301462 . |
| */ |
| public class DisposeClassLinkTest { |
| |
| public static class MyTest { |
| private int count = 0; |
| |
| public int getCount() { |
| return count; |
| } |
| |
| @PreDestroy |
| void preDestroy() { |
| count++; |
| } |
| } |
| |
| public static class InjectionObject { |
| |
| @Inject |
| IEclipseContext context; |
| |
| int postConstruct = 0; |
| int preDestroy = 0; |
| |
| @PostConstruct |
| void construct() { |
| postConstruct++; |
| } |
| |
| @PreDestroy |
| void destroy() { |
| preDestroy++; |
| } |
| } |
| |
| public static class TestBug430041 { |
| int preDestroy = 0; |
| |
| @Inject |
| @Optional |
| public void inject(@EventTopic("Bla") String bla) { |
| |
| } |
| |
| @PreDestroy |
| void destroy() { |
| preDestroy++; |
| } |
| } |
| |
| @Test |
| public void testMake() throws Exception { |
| IEclipseContext context = EclipseContextFactory.create(); |
| MyTest test = ContextInjectionFactory.make(MyTest.class, context); |
| |
| assertEquals(0, test.getCount()); |
| context.dispose(); |
| assertEquals(1, test.getCount()); |
| } |
| |
| @Test |
| public void testDisposeParent() throws Exception { |
| IEclipseContext parentContext = EclipseContextFactory.create(); |
| IEclipseContext context = parentContext.createChild(); |
| MyTest test = ContextInjectionFactory.make(MyTest.class, context); |
| |
| assertEquals(0, test.getCount()); |
| context.dispose(); |
| assertEquals(1, test.getCount()); |
| parentContext.dispose(); |
| assertEquals(1, test.getCount()); |
| } |
| |
| @Test |
| public void testInject() throws Exception { |
| IEclipseContext parentContext = EclipseContextFactory.create(); |
| IEclipseContext context = parentContext.createChild(); |
| MyTest test = new MyTest(); |
| ContextInjectionFactory.inject(test, context); |
| |
| assertEquals(0, test.getCount()); |
| context.dispose(); |
| assertEquals(1, test.getCount()); |
| } |
| |
| @Test |
| public void testDisposeParentFirst() throws Exception { |
| IEclipseContext parentContext = EclipseContextFactory.create(); |
| IEclipseContext context = parentContext.createChild(); |
| MyTest test = new MyTest(); |
| ContextInjectionFactory.inject(test, context); |
| |
| assertEquals(0, test.getCount()); |
| context.dispose(); |
| assertEquals(1, test.getCount()); |
| parentContext.dispose(); |
| assertEquals(1, test.getCount()); |
| } |
| |
| @Test |
| public void testInjectedWithContext() throws Exception { |
| IEclipseContext context = EclipseContextFactory.create(); |
| |
| InjectionObject obj = ContextInjectionFactory.make(InjectionObject.class, context); |
| |
| assertEquals("The object has been injected with the context", context, obj.context); |
| assertEquals("@PostConstruct should have been called once", 1, obj.postConstruct); |
| assertEquals("@PreDestroy should not have been called", 0, obj.preDestroy); |
| |
| context.dispose(); |
| |
| assertNotNull(obj.context); |
| assertEquals("@PostConstruct should only have been called once", 1, obj.postConstruct); |
| assertEquals("@PreDestroy should have been called during uninjection", 1, obj.preDestroy); |
| } |
| |
| @Test |
| public void testBug430041() { |
| IEclipseContext context = EclipseContextFactory.create(); |
| TestBug430041 obj = ContextInjectionFactory.make(TestBug430041.class, context); |
| context.dispose(); |
| assertEquals(1, obj.preDestroy); |
| } |
| } |