| /** |
| * Copyright (C) 2008 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.spi; |
| |
| import static com.google.common.collect.Iterables.getOnlyElement; |
| import static com.google.inject.Asserts.assertEqualsBothWays; |
| import static com.google.inject.Asserts.assertSimilarWhenReserialized; |
| import com.google.inject.Inject; |
| import com.google.inject.Key; |
| import com.google.inject.internal.ErrorsException; |
| import com.google.inject.name.Named; |
| import com.google.inject.name.Names; |
| import java.io.IOException; |
| import java.lang.reflect.Constructor; |
| import java.lang.reflect.Field; |
| import java.lang.reflect.Method; |
| import junit.framework.Assert; |
| import junit.framework.TestCase; |
| |
| /** |
| * @author jessewilson@google.com (Jesse Wilson) |
| */ |
| public class InjectionPointTest extends TestCase { |
| |
| public @Inject @Named("a") String foo; |
| public @Inject void bar(@Named("b") String param) {} |
| |
| public static class Constructable { |
| @Inject public Constructable(@Named("c") String param) {} |
| } |
| |
| public void testFieldInjectionPoint() throws NoSuchFieldException, IOException, ErrorsException { |
| Field fooField = getClass().getField("foo"); |
| |
| InjectionPoint injectionPoint = new InjectionPoint(fooField); |
| assertSame(fooField, injectionPoint.getMember()); |
| assertFalse(injectionPoint.isOptional()); |
| assertEquals(getClass().getName() + ".foo", injectionPoint.toString()); |
| assertEqualsBothWays(injectionPoint, new InjectionPoint(fooField)); |
| assertSimilarWhenReserialized(injectionPoint); |
| |
| Dependency<?> dependency = getOnlyElement(injectionPoint.getDependencies()); |
| assertEquals("Key[type=java.lang.String, annotation=@com.google.inject.name.Named(value=a)]@" |
| + getClass().getName() + ".foo", dependency.toString()); |
| assertEquals(fooField, dependency.getInjectionPoint().getMember()); |
| assertEquals(-1, dependency.getParameterIndex()); |
| Assert.assertEquals(Key.get(String.class, Names.named("a")), dependency.getKey()); |
| assertEquals(false, dependency.isNullable()); |
| assertSimilarWhenReserialized(dependency); |
| assertEqualsBothWays(dependency, |
| getOnlyElement(new InjectionPoint(fooField).getDependencies())); |
| } |
| |
| public void testMethodInjectionPoint() throws Exception { |
| Method barMethod = getClass().getMethod("bar", String.class); |
| InjectionPoint injectionPoint = new InjectionPoint(barMethod); |
| assertSame(barMethod, injectionPoint.getMember()); |
| assertFalse(injectionPoint.isOptional()); |
| assertEquals(getClass().getName() + ".bar()", injectionPoint.toString()); |
| assertEqualsBothWays(injectionPoint, new InjectionPoint(barMethod)); |
| assertSimilarWhenReserialized(injectionPoint); |
| |
| Dependency<?> dependency = getOnlyElement(injectionPoint.getDependencies()); |
| assertEquals("Key[type=java.lang.String, annotation=@com.google.inject.name.Named(value=b)]@" |
| + getClass().getName() + ".bar()[0]", dependency.toString()); |
| assertEquals(barMethod, dependency.getInjectionPoint().getMember()); |
| assertEquals(0, dependency.getParameterIndex()); |
| assertEquals(Key.get(String.class, Names.named("b")), dependency.getKey()); |
| assertEquals(false, dependency.isNullable()); |
| assertSimilarWhenReserialized(dependency); |
| assertEqualsBothWays(dependency, |
| getOnlyElement(new InjectionPoint(barMethod).getDependencies())); |
| } |
| |
| public void testConstructorInjectionPoint() throws NoSuchMethodException, IOException, |
| ErrorsException { |
| Constructor<?> constructor = Constructable.class.getConstructor(String.class); |
| InjectionPoint injectionPoint = new InjectionPoint(constructor); |
| assertSame(constructor, injectionPoint.getMember()); |
| assertFalse(injectionPoint.isOptional()); |
| assertEquals(Constructable.class.getName() + ".<init>()", injectionPoint.toString()); |
| assertEqualsBothWays(injectionPoint, new InjectionPoint(constructor)); |
| assertSimilarWhenReserialized(injectionPoint); |
| |
| Dependency<?> dependency = getOnlyElement(injectionPoint.getDependencies()); |
| assertEquals("Key[type=java.lang.String, annotation=@com.google.inject.name.Named(value=c)]@" |
| + Constructable.class.getName() + ".<init>()[0]", dependency.toString()); |
| assertEquals(constructor, dependency.getInjectionPoint().getMember()); |
| assertEquals(0, dependency.getParameterIndex()); |
| assertEquals(Key.get(String.class, Names.named("c")), dependency.getKey()); |
| assertEquals(false, dependency.isNullable()); |
| assertSimilarWhenReserialized(dependency); |
| assertEqualsBothWays(dependency, |
| getOnlyElement(new InjectionPoint(constructor).getDependencies())); |
| } |
| |
| public void testUnattachedDependency() throws IOException { |
| Dependency<String> dependency = Dependency.get(Key.get(String.class, Names.named("d"))); |
| assertEquals("Key[type=java.lang.String, annotation=@com.google.inject.name.Named(value=d)]", |
| dependency.toString()); |
| assertNull(dependency.getInjectionPoint()); |
| assertEquals(-1, dependency.getParameterIndex()); |
| assertEquals(Key.get(String.class, Names.named("d")), dependency.getKey()); |
| assertEquals(true, dependency.isNullable()); |
| assertSimilarWhenReserialized(dependency); |
| assertEqualsBothWays(dependency, Dependency.get(Key.get(String.class, Names.named("d")))); |
| } |
| } |