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 dagger.producers; 17 18 import com.google.common.testing.EqualsTester; 19 import java.util.concurrent.CancellationException; 20 import java.util.concurrent.ExecutionException; 21 import org.junit.Test; 22 import org.junit.runner.RunWith; 23 import org.junit.runners.JUnit4; 24 25 import static com.google.common.truth.Truth.assertThat; 26 import static org.junit.Assert.fail; 27 28 /** 29 * Tests {@link Produced}. 30 */ 31 @RunWith(JUnit4.class) 32 public class ProducedTest { 33 @Test public void successfulProduced() throws ExecutionException { 34 Object o = new Object(); 35 assertThat(Produced.successful(5).get()).isEqualTo(5); 36 assertThat(Produced.successful("monkey").get()).isEqualTo("monkey"); 37 assertThat(Produced.successful(o).get()).isSameAs(o); 38 } 39 40 @Test public void failedProduced() { 41 RuntimeException cause = new RuntimeException("monkey"); 42 try { 43 Produced.failed(cause).get(); 44 fail(); 45 } catch (ExecutionException e) { 46 assertThat(e.getCause()).isSameAs(cause); 47 } 48 } 49 50 @Test public void producedEquivalence() { 51 RuntimeException e1 = new RuntimeException("monkey"); 52 RuntimeException e2 = new CancellationException(); 53 new EqualsTester() 54 .addEqualityGroup(Produced.successful(132435), Produced.successful(132435)) 55 .addEqualityGroup(Produced.successful("hi"), Produced.successful("hi")) 56 .addEqualityGroup(Produced.failed(e1), Produced.failed(e1)) 57 .addEqualityGroup(Produced.failed(e2), Produced.failed(e2)) 58 .testEquals(); 59 } 60 } 61
