1 /*
2  * Copyright (C) 2023 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.kotlinsrc.subcomponent.module
18 
19 import com.google.common.truth.Truth.assertThat
20 import org.junit.Test
21 import org.junit.runner.RunWith
22 import org.junit.runners.JUnit4
23 
24 /** Tests for [Module.subcomponents]. */
25 @RunWith(JUnit4::class)
26 class ModuleWithSubcomponentsTest {
27   @Test
subcomponentFromModuleAndFactoryMethodnull28   fun subcomponentFromModuleAndFactoryMethod() {
29     val parent = DaggerSubcomponentFromModuleAndFactoryMethod_ExposesBuilder.create()
30     val sub = parent.subcomponentBuilder().sub()
31     assertThat(sub).isNotNull()
32   }
33 
34   @Test
subcomponentFromModulesnull35   fun subcomponentFromModules() {
36     val parent = DaggerUsesModuleSubcomponents.create()
37     assertThat(parent.strings()).containsExactly("from parent")
38     assertThat(parent.usesChild().strings).containsExactly("from parent", "from child")
39   }
40 
41   @Test
subcomponentFromModules_transitivelynull42   fun subcomponentFromModules_transitively() {
43     val parent = DaggerUsesModuleSubcomponents_ParentIncludesSubcomponentTransitively.create()
44     assertThat(parent.strings()).containsExactly("from parent")
45     assertThat(parent.usesChild().strings).containsExactly("from parent", "from child")
46   }
47 }
48