1 /* 2 * Copyright (C) 2020 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.hilt.android.testing.testinstallin; 18 19 import static com.google.common.truth.Truth.assertThat; 20 21 import androidx.test.ext.junit.runners.AndroidJUnit4; 22 import dagger.Module; 23 import dagger.Provides; 24 import dagger.hilt.InstallIn; 25 import dagger.hilt.android.testing.HiltAndroidRule; 26 import dagger.hilt.android.testing.HiltAndroidTest; 27 import dagger.hilt.android.testing.HiltTestApplication; 28 import dagger.hilt.android.testing.UninstallModules; 29 import dagger.hilt.android.testing.testinstallin.TestInstallInModules.Bar; 30 import dagger.hilt.android.testing.testinstallin.TestInstallInModules.Foo; 31 import dagger.hilt.android.testing.testinstallin.TestInstallInModules.SingletonBarModule; 32 import dagger.hilt.android.testing.testinstallin.TestInstallInModules.SingletonFooTestModule; 33 import dagger.hilt.components.SingletonComponent; 34 import javax.inject.Inject; 35 import org.junit.Rule; 36 import org.junit.Test; 37 import org.junit.runner.RunWith; 38 import org.robolectric.annotation.Config; 39 40 /** 41 * Tests that Foo uses the global {@linkplain TestInstallIn} module and that Bar uses the local 42 * {@linkplain InstallIn} module due to {@linkplain UninstallModules}. 43 */ 44 @UninstallModules(SingletonBarModule.class) 45 @HiltAndroidTest 46 @RunWith(AndroidJUnit4.class) 47 @Config(application = HiltTestApplication.class) 48 public final class TestInstallInBarTest { 49 50 @Rule public HiltAndroidRule hiltRule = new HiltAndroidRule(this); 51 52 @Module 53 @InstallIn(SingletonComponent.class) 54 interface LocalBarTestModule { 55 @Provides provideBar()56 static Bar provideBar() { 57 return new Bar(LocalBarTestModule.class); 58 } 59 } 60 61 @Inject Foo foo; 62 @Inject Bar bar; 63 64 @Test testFoo()65 public void testFoo() { 66 hiltRule.inject(); 67 assertThat(foo.moduleClass).isEqualTo(SingletonFooTestModule.class); 68 } 69 70 @Test testBar()71 public void testBar() { 72 hiltRule.inject(); 73 assertThat(bar.moduleClass).isEqualTo(LocalBarTestModule.class); 74 } 75 } 76