--- /dev/null
+/*
+ * Copyright (C) 2010 Mycila (mathieu.carbou@gmail.com)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.opendaylight.odlguice.inject.guice.extensions.jsr250.tests;
+
+import static org.junit.Assert.assertEquals;
+
+import com.google.inject.AbstractModule;
+import com.google.inject.Guice;
+import com.google.inject.Provider;
+import javax.annotation.PostConstruct;
+import javax.annotation.PreDestroy;
+import javax.inject.Singleton;
+import org.gaul.modernizer_maven_annotations.SuppressModernizer;
+import org.junit.Test;
+import org.opendaylight.odlguice.inject.guice.extensions.closeable.CloseableInjector;
+import org.opendaylight.odlguice.inject.guice.extensions.closeable.CloseableModule;
+import org.opendaylight.odlguice.inject.guice.extensions.jsr250.Jsr250Module;
+
+/**
+ * This code originated in https://github.com/mycila/guice and was forked into
+ * OpenDaylight.
+ * @author Mathieu Carbou (mathieu.carbou@gmail.com)
+ */
+@SuppressModernizer
+public class MycilaInitDestroyBindingsTest {
+
+ public static class InitDestroyCounter {
+
+ public int initialized;
+ public int destroyed;
+
+ @PostConstruct
+ public void init() {
+ initialized++;
+ }
+
+ @PreDestroy
+ public void destroy() {
+ destroyed++;
+ }
+ }
+
+ public interface SomeInterface {
+ }
+
+ public interface AnotherInterface {
+ }
+
+ public static class NonScopedTestObject extends InitDestroyCounter implements SomeInterface, AnotherInterface {
+ }
+
+ @Singleton
+ public static class TestSingleton extends InitDestroyCounter implements SomeInterface, AnotherInterface {
+ }
+
+ public abstract static class TestProvider<T> extends InitDestroyCounter implements Provider<T> {
+ }
+
+ @Test
+ public void testUntargettedBinding() {
+ CloseableInjector injector = Guice
+ .createInjector(new Jsr250Module(), new CloseableModule(), new AbstractModule() {
+ @Override
+ protected void configure() {
+ bind(TestSingleton.class);
+ }
+ }).getInstance(CloseableInjector.class);
+
+ TestSingleton component = injector.getInstance(TestSingleton.class);
+ assertEquals(1, component.initialized);
+ assertEquals(0, component.destroyed);
+
+ injector.close();
+ assertEquals(1, component.initialized);
+ assertEquals(1, component.destroyed);
+ }
+
+ @Test
+ public void testLinkedBinding() {
+ CloseableInjector injector = Guice
+ .createInjector(new Jsr250Module(), new CloseableModule(), new AbstractModule() {
+ @Override
+ protected void configure() {
+ bind(SomeInterface.class).to(TestSingleton.class);
+ }
+ }).getInstance(CloseableInjector.class);
+
+ TestSingleton component = (TestSingleton) injector.getInstance(SomeInterface.class);
+ assertEquals(1, component.initialized);
+ assertEquals(0, component.destroyed);
+
+ injector.close();
+ assertEquals(1, component.initialized);
+ assertEquals(1, component.destroyed);
+
+ // Guice creates an internal jit ConstructorBinding therefor this fails as Mycila destroys on both bindings
+ }
+
+ @Test
+ public void testLinkedAndUntargettedBinding() {
+ CloseableInjector injector = Guice
+ .createInjector(new Jsr250Module(), new CloseableModule(), new AbstractModule() {
+ @Override
+ protected void configure() {
+ bind(TestSingleton.class);
+ bind(SomeInterface.class).to(TestSingleton.class);
+ }
+ }).getInstance(CloseableInjector.class);
+
+ TestSingleton component = (TestSingleton) injector.getInstance(SomeInterface.class);
+ assertEquals(1, component.initialized);
+ assertEquals(0, component.destroyed);
+
+ injector.close();
+ assertEquals(1, component.initialized);
+ assertEquals(1, component.destroyed);
+
+ // Both bindings return the same object therefor this fails as Mycila destroys on both bindings
+ }
+
+ @Test
+ public void testInstanceBinding() {
+ CloseableInjector injector = Guice
+ .createInjector(new Jsr250Module(), new CloseableModule(), new AbstractModule() {
+ @Override
+ protected void configure() {
+ TestSingleton instance = new TestSingleton();
+ bind(SomeInterface.class).toInstance(instance);
+ bind(AnotherInterface.class).toInstance(instance);
+ }
+ }).getInstance(CloseableInjector.class);
+
+ TestSingleton component = (TestSingleton) injector.getInstance(SomeInterface.class);
+ assertEquals(1, component.initialized);
+ assertEquals(0, component.destroyed);
+
+ injector.close();
+ assertEquals(1, component.initialized);
+ assertEquals(1, component.destroyed);
+
+ // Both bindings return the same object therefor this fails as Mycila destroys on both bindings
+ }
+
+ @Test
+ public void testNonSingletonInstanceBinding() {
+ CloseableInjector injector = Guice
+ .createInjector(new Jsr250Module(), new CloseableModule(), new AbstractModule() {
+ @Override
+ protected void configure() {
+ NonScopedTestObject instance = new NonScopedTestObject();
+ bind(SomeInterface.class).toInstance(instance);
+ bind(AnotherInterface.class).toInstance(instance);
+ }
+ }).getInstance(CloseableInjector.class);
+
+ // The object is not scoped but Guice considers instance bindings to be singletons so Mycila will destroy it
+
+ NonScopedTestObject component = (NonScopedTestObject) injector.getInstance(SomeInterface.class);
+ assertEquals(1, component.initialized);
+ assertEquals(0, component.destroyed);
+
+ injector.close();
+ assertEquals(1, component.initialized);
+ assertEquals(1, component.destroyed);
+
+ // Both bindings return the same object therefor this fails as Mycila destroys on both bindings
+ }
+
+ @Test
+ public void testProviderBinding() {
+ CloseableInjector injector = Guice
+ .createInjector(new Jsr250Module(), new CloseableModule(), new AbstractModule() {
+ @Override
+ protected void configure() {
+ final TestSingleton instance = new TestSingleton();
+ bind(TestSingleton.class).toProvider(new Provider<TestSingleton>() {
+ @Override
+ public TestSingleton get() {
+ return instance;
+ }
+ });
+ bind(SomeInterface.class).toProvider(new Provider<SomeInterface>() {
+ @Override
+ public TestSingleton get() {
+ return instance;
+ }
+ });
+ }
+ }).getInstance(CloseableInjector.class);
+
+ // Provider bindings are not scoped so Mycila will not destroy them
+
+ TestSingleton component = (TestSingleton) injector.getInstance(SomeInterface.class);
+ assertEquals(0, component.initialized);
+ assertEquals(0, component.destroyed);
+
+ injector.close();
+ assertEquals(0, component.initialized);
+ assertEquals(0, component.destroyed);
+ }
+
+ @Test
+ public void testProvider() {
+
+ final TestProvider<TestSingleton> testProvider1 = new TestProvider<TestSingleton>() {
+ @Override
+ public TestSingleton get() {
+ return new TestSingleton();
+ }
+ };
+ final TestProvider<SomeInterface> testProvider2 = new TestProvider<SomeInterface>() {
+ @Override
+ public TestSingleton get() {
+ return new TestSingleton();
+ }
+ };
+
+ final CloseableInjector injector = Guice
+ .createInjector(new Jsr250Module(), new CloseableModule(), new AbstractModule() {
+ @Override
+ protected void configure() {
+ bind(TestSingleton.class).toProvider(testProvider1);
+ bind(SomeInterface.class).toProvider(testProvider2).in(Singleton.class);
+ }
+ }).getInstance(CloseableInjector.class);
+
+ // Guice will do injection on the provider but will not destroy it since its not singleton scoped
+
+ assertEquals(1, testProvider1.initialized);
+ assertEquals(0, testProvider1.destroyed);
+ assertEquals(1, testProvider2.initialized);
+ assertEquals(0, testProvider2.destroyed);
+
+ injector.close();
+
+ assertEquals(1, testProvider1.initialized);
+ assertEquals(0, testProvider1.destroyed);
+ assertEquals(1, testProvider2.initialized);
+ assertEquals(1, testProvider2.destroyed);
+ }
+}
Code Review / odlguice.git / blobdiff