1 /*
2  * Copyright (C) 2019 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.factory;
18 
19 import static com.google.common.truth.Truth.assertThat;
20 import static org.junit.Assert.fail;
21 
22 import dagger.Component;
23 import org.junit.Test;
24 import org.junit.runner.RunWith;
25 import org.junit.runners.JUnit4;
26 
27 /**
28  * Tests for factories for components that have a module that must have an instance provided by the
29  * user.
30  */
31 @RunWith(JUnit4.class)
32 public final class FactoryRequiredModulesTest {
33 
34   @Component(modules = UninstantiableConcreteModule.class)
35   interface UninstantiableConcreteModuleComponent {
getLong()36     long getLong();
37 
38     @Component.Factory
39     interface Factory {
create(UninstantiableConcreteModule module)40       UninstantiableConcreteModuleComponent create(UninstantiableConcreteModule module);
41     }
42   }
43 
44   @Test
uninstantiableConcreteModule()45   public void uninstantiableConcreteModule() {
46     UninstantiableConcreteModuleComponent component =
47         DaggerFactoryRequiredModulesTest_UninstantiableConcreteModuleComponent.factory()
48             .create(new UninstantiableConcreteModule(42L));
49     assertThat(component.getLong()).isEqualTo(42L);
50   }
51 
52   @Test
uninstantiableConcreteModule_failsOnNull()53   public void uninstantiableConcreteModule_failsOnNull() {
54     try {
55       DaggerFactoryRequiredModulesTest_UninstantiableConcreteModuleComponent.factory().create(null);
56       fail();
57     } catch (NullPointerException expected) {
58     }
59   }
60 }
61