1 /** 2 * Copyright (C) 2015 Google Inc. 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 package com.google.inject.daggeradapter; 17 18 import static dagger.Provides.Type.SET; 19 20 import com.google.common.collect.ImmutableSet; 21 import com.google.inject.AbstractModule; 22 import com.google.inject.Binder; 23 import com.google.inject.Guice; 24 import com.google.inject.Injector; 25 import com.google.inject.Key; 26 import com.google.inject.Module; 27 import com.google.inject.Provides; 28 import com.google.inject.multibindings.Multibinder; 29 import com.google.inject.util.Providers; 30 31 import junit.framework.TestCase; 32 33 import java.util.Set; 34 35 /** 36 * Tests for {@link DaggerAdapter}. 37 * 38 * @author cgruber@google.com (Christian Gruber) 39 */ 40 41 public class DaggerAdapterTest extends TestCase { 42 @dagger.Module static class SimpleDaggerModule { anInteger()43 @dagger.Provides Integer anInteger() { 44 return 1; 45 } 46 } 47 testSimpleModule()48 public void testSimpleModule() { 49 Injector i = Guice.createInjector(DaggerAdapter.from(new SimpleDaggerModule())); 50 assertEquals((Integer) 1, i.getInstance(Integer.class)); 51 } 52 53 static class SimpleGuiceModule extends AbstractModule { aString(Integer i)54 @Provides String aString(Integer i) { 55 return i.toString(); 56 } configure()57 @Override protected void configure() {} 58 } 59 testInteractionWithGuiceModules()60 public void testInteractionWithGuiceModules() { 61 Injector i = Guice.createInjector( 62 new SimpleGuiceModule(), 63 DaggerAdapter.from(new SimpleDaggerModule())); 64 assertEquals("1", i.getInstance(String.class)); 65 } 66 67 @dagger.Module static class SetBindingDaggerModule1 { anInteger()68 @dagger.Provides(type=SET) Integer anInteger() { 69 return 5; 70 } 71 } 72 73 @dagger.Module static class SetBindingDaggerModule2 { anInteger()74 @dagger.Provides(type=SET) Integer anInteger() { 75 return 3; 76 } 77 } 78 testSetBindings()79 public void testSetBindings() { 80 Injector i = Guice.createInjector( 81 DaggerAdapter.from(new SetBindingDaggerModule1(), new SetBindingDaggerModule2())); 82 assertEquals(ImmutableSet.of(3, 5), i.getInstance(new Key<Set<Integer>>() {})); 83 } 84 85 static class MultibindingGuiceModule implements Module { configure(Binder binder)86 @Override public void configure(Binder binder) { 87 Multibinder<Integer> mb = Multibinder.newSetBinder(binder, Integer.class); 88 mb.addBinding().toInstance(13); 89 mb.addBinding().toProvider(Providers.of(8)); // mix'n'match. 90 } 91 } 92 testSetBindingsWithGuiceModule()93 public void testSetBindingsWithGuiceModule() { 94 Injector i = Guice.createInjector( 95 new MultibindingGuiceModule(), 96 DaggerAdapter.from(new SetBindingDaggerModule1(), new SetBindingDaggerModule2())); 97 assertEquals(ImmutableSet.of(13, 3, 5, 8), i.getInstance(new Key<Set<Integer>>() {})); 98 } 99 } 100