1 /*
2  * Copyright (C) 2015 The Dagger Authors.
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 
17 package dagger.functional.producers.builder;
18 
19 import static com.google.common.truth.Truth.assertThat;
20 
21 import com.google.common.util.concurrent.Futures;
22 import com.google.common.util.concurrent.ListenableFuture;
23 import org.junit.Test;
24 import org.junit.runner.RunWith;
25 import org.junit.runners.JUnit4;
26 
27 /** Tests for {@link dagger.producers.ProductionComponent.Builder}. */
28 @RunWith(JUnit4.class)
29 public final class ProductionComponentBuilderTest {
30 
31   @Test
successfulBuild()32   public void successfulBuild() throws Exception {
33     TestComponentWithBuilder component =
34         DaggerTestComponentWithBuilder.builder()
35             .depComponent(depComponent(15.3))
36             .strModule(new StringModule())
37             .build();
38     assertThat(component.s().get()).isEqualTo("arg: 42");
39     assertThat(component.d().get()).isEqualTo(15.3);
40   }
41 
42   @Test
successfulBuild_withMissingZeroArgModule()43   public void successfulBuild_withMissingZeroArgModule() throws Exception {
44     TestComponentWithBuilder component =
45         DaggerTestComponentWithBuilder.builder()
46             .depComponent(depComponent(15.3))
47             .build();
48     assertThat(component.s().get()).isEqualTo("arg: 42");
49     assertThat(component.d().get()).isEqualTo(15.3);
50   }
51 
52   @Test(expected = IllegalStateException.class)
missingDepComponent()53   public void missingDepComponent() {
54     DaggerTestComponentWithBuilder.builder()
55         .strModule(new StringModule())
56         .build();
57   }
58 
depComponent(final double value)59   private static DepComponent depComponent(final double value) {
60     return new DepComponent() {
61       @Override
62       public ListenableFuture<Double> d() {
63         return Futures.immediateFuture(value);
64       }
65     };
66   }
67 }
68