| /* |
| * Copyright (C) 2014 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.producers.internal; |
| |
| import static com.google.common.truth.Truth.assertThat; |
| import static org.junit.Assert.fail; |
| import static org.mockito.ArgumentMatchers.any; |
| import static org.mockito.ArgumentMatchers.nullable; |
| import static org.mockito.Mockito.verify; |
| import static org.mockito.Mockito.verifyNoMoreInteractions; |
| import static org.mockito.Mockito.when; |
| |
| import com.google.common.util.concurrent.Futures; |
| import com.google.common.util.concurrent.ListenableFuture; |
| import com.google.common.util.concurrent.MoreExecutors; |
| import com.google.common.util.concurrent.SettableFuture; |
| import dagger.producers.Producer; |
| import dagger.producers.monitoring.ProducerMonitor; |
| import dagger.producers.monitoring.ProducerToken; |
| import dagger.producers.monitoring.ProductionComponentMonitor; |
| import java.util.concurrent.ExecutionException; |
| import java.util.concurrent.Executor; |
| import javax.inject.Provider; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.JUnit4; |
| import org.mockito.Mock; |
| import org.mockito.Mockito; |
| import org.mockito.MockitoAnnotations; |
| |
| /** |
| * Tests {@link AbstractProducer}. |
| */ |
| @RunWith(JUnit4.class) |
| public class AbstractProducesMethodProducerTest { |
| @Mock private ProductionComponentMonitor componentMonitor; |
| private ProducerMonitor monitor; |
| private Provider<ProductionComponentMonitor> componentMonitorProvider; |
| |
| @Before |
| public void initMocks() { |
| MockitoAnnotations.initMocks(this); |
| monitor = Mockito.mock(ProducerMonitor.class, Mockito.CALLS_REAL_METHODS); |
| when(componentMonitor.producerMonitorFor(nullable(ProducerToken.class))).thenReturn(monitor); |
| componentMonitorProvider = |
| new Provider<ProductionComponentMonitor>() { |
| @Override |
| public ProductionComponentMonitor get() { |
| return componentMonitor; |
| } |
| }; |
| } |
| |
| @Test |
| public void monitor_success() throws Exception { |
| SettableFuture<Integer> delegateFuture = SettableFuture.create(); |
| Producer<Integer> producer = new DelegateProducer<>(componentMonitorProvider, delegateFuture); |
| |
| ListenableFuture<Integer> future = producer.get(); |
| assertThat(future.isDone()).isFalse(); |
| verify(monitor).ready(); |
| verify(monitor).requested(); |
| verify(monitor).addCallbackTo(anyListenableFuture()); |
| verify(monitor).methodStarting(); |
| verify(monitor).methodFinished(); |
| delegateFuture.set(-42); |
| assertThat(future.get()).isEqualTo(-42); |
| verify(monitor).succeeded(-42); |
| verifyNoMoreInteractions(monitor); |
| } |
| |
| @Test |
| public void monitor_failure() throws Exception { |
| SettableFuture<Integer> delegateFuture = SettableFuture.create(); |
| Producer<Integer> producer = new DelegateProducer<>(componentMonitorProvider, delegateFuture); |
| |
| ListenableFuture<Integer> future = producer.get(); |
| assertThat(future.isDone()).isFalse(); |
| verify(monitor).ready(); |
| verify(monitor).requested(); |
| verify(monitor).addCallbackTo(anyListenableFuture()); |
| verify(monitor).methodStarting(); |
| verify(monitor).methodFinished(); |
| Throwable t = new RuntimeException("monkey"); |
| delegateFuture.setException(t); |
| try { |
| future.get(); |
| fail(); |
| } catch (ExecutionException e) { |
| assertThat(e).hasCauseThat().isSameInstanceAs(t); |
| } |
| verify(monitor).failed(t); |
| verifyNoMoreInteractions(monitor); |
| } |
| |
| private ListenableFuture<?> anyListenableFuture() { |
| return any(ListenableFuture.class); |
| } |
| |
| @Test(expected = NullPointerException.class) |
| public void monitor_null() throws Exception { |
| new DelegateProducer<>(null, Futures.immediateFuture(42)); |
| } |
| |
| static final class DelegateProducer<T> extends AbstractProducesMethodProducer<Void, T> { |
| private final ListenableFuture<T> delegate; |
| |
| DelegateProducer( |
| Provider<ProductionComponentMonitor> componentMonitorProvider, |
| ListenableFuture<T> delegate) { |
| super( |
| componentMonitorProvider, |
| null, // token |
| new Provider<Executor>() { |
| @Override |
| public Executor get() { |
| return MoreExecutors.directExecutor(); |
| } |
| }); |
| this.delegate = delegate; |
| } |
| |
| @Override |
| protected ListenableFuture<Void> collectDependencies() { |
| return Futures.immediateFuture(null); |
| } |
| |
| @Override |
| protected ListenableFuture<T> callProducesMethod(Void asyncDependencies) { |
| return delegate; |
| } |
| } |
| } |