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/*
* Copyright (C) 2015 The Dagger Authors.
*
* 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 dagger.functional.producers;
import static com.google.common.truth.Truth.assertThat;
import com.google.common.util.concurrent.Futures;
import com.google.common.util.concurrent.ListenableFuture;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
@RunWith(JUnit4.class)
public class DependentTest {
@Test public void dependentComponent() throws Exception {
DependentComponent dependentComponent =
DaggerDependentComponent.builder()
.dependedProductionComponent(DaggerDependedProductionComponent.create())
.dependedComponent(DaggerDependedComponent.create())
.build();
assertThat(dependentComponent).isNotNull();
assertThat(dependentComponent.greetings().get()).containsExactly(
"2", "Hello world!", "HELLO WORLD!");
}
@Test public void reuseBuilderWithDependentComponent() throws Exception {
DaggerDependentComponent.Builder dependentComponentBuilder = DaggerDependentComponent.builder();
DependentComponent componentUsingComponents =
dependentComponentBuilder
.dependedProductionComponent(DaggerDependedProductionComponent.create())
.dependedComponent(DaggerDependedComponent.create())
.build();
DependentComponent componentUsingJavaImpls = dependentComponentBuilder
.dependedProductionComponent(new DependedProductionComponent() {
@Override public ListenableFuture<Integer> numGreetings() {
return Futures.immediateFuture(3);
}
})
.dependedComponent(new DependedComponent() {
@Override public String getGreeting() {
return "Goodbye world!";
}
})
.build();
assertThat(componentUsingJavaImpls.greetings().get()).containsExactly(
"3", "Goodbye world!", "GOODBYE WORLD!");
assertThat(componentUsingComponents.greetings().get()).containsExactly(
"2", "Hello world!", "HELLO WORLD!");
}
}