| /** |
| * Copyright (C) 2006 Google Inc. |
| * |
| * 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 com.google.inject; |
| |
| import com.google.inject.name.Named; |
| import static java.lang.annotation.ElementType.FIELD; |
| import static java.lang.annotation.ElementType.METHOD; |
| import static java.lang.annotation.ElementType.PARAMETER; |
| import java.lang.annotation.Retention; |
| import static java.lang.annotation.RetentionPolicy.RUNTIME; |
| import java.lang.annotation.Target; |
| import junit.framework.TestCase; |
| |
| /** |
| * @author crazybob@google.com (Bob Lee) |
| */ |
| public class BoundInstanceInjectionTest extends TestCase { |
| |
| public void testInstancesAreInjected() throws CreationException { |
| final O o = new O(); |
| |
| Injector injector = Guice.createInjector(new AbstractModule() { |
| protected void configure() { |
| bind(O.class).toInstance(o); |
| bind(int.class).toInstance(5); |
| } |
| }); |
| |
| assertEquals(5, o.fromMethod); |
| } |
| |
| static class O { |
| int fromMethod; |
| @Inject |
| void setInt(int i) { |
| this.fromMethod = i; |
| } |
| } |
| |
| public void testProvidersAreInjected() throws CreationException { |
| Injector injector = Guice.createInjector(new AbstractModule() { |
| protected void configure() { |
| bind(O.class).toProvider(new Provider<O>() { |
| @Inject int i; |
| public O get() { |
| O o = new O(); |
| o.setInt(i); |
| return o; |
| } |
| }); |
| bind(int.class).toInstance(5); |
| } |
| }); |
| |
| assertEquals(5, injector.getInstance(O.class).fromMethod); |
| } |
| |
| public void testMalformedInstance() { |
| try { |
| Guice.createInjector(new AbstractModule() { |
| protected void configure() { |
| bind(Object.class).toInstance(new MalformedInjectable()); |
| } |
| }); |
| fail(); |
| } catch (CreationException expected) { |
| Asserts.assertContains(expected.getMessage(), MalformedInjectable.class.getName(), |
| ".doublyAnnotated() has more than one ", "annotation annotated with @BindingAnnotation: ", |
| Named.class.getName() + " and " + Another.class.getName()); |
| } |
| } |
| |
| public void testMalformedProvider() { |
| try { |
| Guice.createInjector(new AbstractModule() { |
| protected void configure() { |
| bind(String.class).toProvider(new MalformedProvider()); |
| } |
| }); |
| fail(); |
| } catch (CreationException expected) { |
| Asserts.assertContains(expected.getMessage(), MalformedProvider.class.getName(), |
| ".doublyAnnotated() has more than one ", "annotation annotated with @BindingAnnotation: ", |
| Named.class.getName() + " and " + Another.class.getName()); |
| } |
| } |
| |
| static class MalformedInjectable { |
| @Inject void doublyAnnotated(@Named("a") @Another String unused) {} |
| } |
| |
| static class MalformedProvider implements Provider<String> { |
| @Inject void doublyAnnotated(@Named("a") @Another String s) {} |
| |
| public String get() { |
| return "a"; |
| } |
| } |
| |
| @BindingAnnotation @Target({ FIELD, PARAMETER, METHOD }) @Retention(RUNTIME) |
| public @interface Another {} |
| } |