1 /*
2  * Copyright (C) 2017 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;
18 
19 import static com.google.common.truth.Truth.assertThat;
20 
21 import dagger.Lazy;
22 import dagger.functional.LazyMaps.TestComponent;
23 import java.util.Map;
24 import javax.inject.Provider;
25 import org.junit.Test;
26 import org.junit.runner.RunWith;
27 import org.junit.runners.JUnit4;
28 
29 /** Tests for {@link LazyMaps}. */
30 @RunWith(JUnit4.class)
31 public class LazyMapsTest {
32   @Test
mapOfLazies()33   public void mapOfLazies() {
34     TestComponent component = DaggerLazyMaps_TestComponent.create();
35     Map<String, Lazy<String>> laziesMap = component.mapOfLazy();
36 
37     String firstGet = laziesMap.get("key").get();
38     assertThat(firstGet).isEqualTo("value-1");
39     assertThat(firstGet).isSameInstanceAs(laziesMap.get("key").get());
40 
41     assertThat(component.mapOfLazy().get("key").get()).isEqualTo("value-2");
42   }
43 
44   @Test
mapOfProviderOfLaziesReturnsDifferentLazy()45   public void mapOfProviderOfLaziesReturnsDifferentLazy() {
46     TestComponent component = DaggerLazyMaps_TestComponent.create();
47     Map<String, Provider<Lazy<String>>> providersOfLaziesMap = component.mapOfProviderOfLazy();
48 
49     assertThat(providersOfLaziesMap.get("key").get().get())
50         .isNotEqualTo(providersOfLaziesMap.get("key").get().get());
51   }
52 }
53