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/**
* Copyright (C) 2015 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.daggeradapter;
import static dagger.Provides.Type.SET;
import com.google.common.collect.ImmutableSet;
import com.google.inject.AbstractModule;
import com.google.inject.Binder;
import com.google.inject.Guice;
import com.google.inject.Injector;
import com.google.inject.Key;
import com.google.inject.Module;
import com.google.inject.Provides;
import com.google.inject.multibindings.Multibinder;
import com.google.inject.util.Providers;
import junit.framework.TestCase;
import java.util.Set;
/**
* Tests for {@link DaggerAdapter}.
*
* @author cgruber@google.com (Christian Gruber)
*/
public class DaggerAdapterTest extends TestCase {
@dagger.Module static class SimpleDaggerModule {
@dagger.Provides Integer anInteger() {
return 1;
}
}
public void testSimpleModule() {
Injector i = Guice.createInjector(DaggerAdapter.from(new SimpleDaggerModule()));
assertEquals((Integer) 1, i.getInstance(Integer.class));
}
static class SimpleGuiceModule extends AbstractModule {
@Provides String aString(Integer i) {
return i.toString();
}
@Override protected void configure() {}
}
public void testInteractionWithGuiceModules() {
Injector i = Guice.createInjector(
new SimpleGuiceModule(),
DaggerAdapter.from(new SimpleDaggerModule()));
assertEquals("1", i.getInstance(String.class));
}
@dagger.Module static class SetBindingDaggerModule1 {
@dagger.Provides(type=SET) Integer anInteger() {
return 5;
}
}
@dagger.Module static class SetBindingDaggerModule2 {
@dagger.Provides(type=SET) Integer anInteger() {
return 3;
}
}
public void testSetBindings() {
Injector i = Guice.createInjector(
DaggerAdapter.from(new SetBindingDaggerModule1(), new SetBindingDaggerModule2()));
assertEquals(ImmutableSet.of(3, 5), i.getInstance(new Key<Set<Integer>>() {}));
}
static class MultibindingGuiceModule implements Module {
@Override public void configure(Binder binder) {
Multibinder<Integer> mb = Multibinder.newSetBinder(binder, Integer.class);
mb.addBinding().toInstance(13);
mb.addBinding().toProvider(Providers.of(8)); // mix'n'match.
}
}
public void testSetBindingsWithGuiceModule() {
Injector i = Guice.createInjector(
new MultibindingGuiceModule(),
DaggerAdapter.from(new SetBindingDaggerModule1(), new SetBindingDaggerModule2()));
assertEquals(ImmutableSet.of(13, 3, 5, 8), i.getInstance(new Key<Set<Integer>>() {}));
}
}
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