1 /* 2 * Copyright (C) 2021 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.testsubpackage; 18 19 import static androidx.test.core.app.ApplicationProvider.getApplicationContext; 20 import static com.google.common.truth.Truth.assertThat; 21 import static org.junit.Assert.assertThrows; 22 23 import android.os.Build; 24 import androidx.fragment.app.FragmentActivity; 25 import androidx.test.core.app.ActivityScenario; 26 import androidx.test.ext.junit.runners.AndroidJUnit4; 27 import dagger.hilt.EntryPoints; 28 import dagger.hilt.android.AndroidEntryPoint; 29 import dagger.hilt.android.UsesComponentHelper; 30 import dagger.hilt.android.UsesComponentTestClasses.Foo; 31 import dagger.hilt.android.UsesComponentTestClasses.FooEntryPoint; 32 import dagger.hilt.android.UsesComponentTestClasses.UsesComponentQualifier; 33 import dagger.hilt.android.UsesComponentTestClasses.UsesComponentTestSubcomponent; 34 import dagger.hilt.android.UsesComponentTestClasses.UsesComponentTestSubcomponentBuilderEntryPoint; 35 import dagger.hilt.android.internal.testing.TestApplicationComponentManager; 36 import dagger.hilt.android.testing.HiltAndroidRule; 37 import dagger.hilt.android.testing.HiltAndroidTest; 38 import dagger.hilt.android.testing.HiltTestApplication; 39 import javax.inject.Inject; 40 import org.junit.Rule; 41 import org.junit.Test; 42 import org.junit.runner.RunWith; 43 import org.robolectric.annotation.Config; 44 45 /** 46 * A test that provides none of its own test bindings, and therefore uses the shared components. 47 * 48 * <p>Note that this test class exactly matches the simple name of {@link 49 * dagger.hilt.android.UsesSharedComponent1Test}. This is intentional and used to verify generated 50 * code class names do not clash. 51 */ 52 @HiltAndroidTest 53 @RunWith(AndroidJUnit4.class) 54 // Robolectric requires Java9 to run API 29 and above, so use API 28 instead 55 @Config(sdk = Build.VERSION_CODES.P, application = HiltTestApplication.class) 56 public final class UsesSharedComponent1Test { 57 58 @Rule public HiltAndroidRule rule = new HiltAndroidRule(this); 59 60 @Inject @UsesComponentQualifier String injectedString; 61 62 @Test testInject()63 public void testInject() { 64 rule.inject(); 65 assertThat(injectedString).isEqualTo("shared_string"); 66 } 67 68 @Test testSubcomponent()69 public void testSubcomponent() { 70 UsesComponentTestSubcomponent subcomponent = 71 EntryPoints.get( 72 getApplicationContext(), UsesComponentTestSubcomponentBuilderEntryPoint.class) 73 .mySubcomponentBuilder() 74 .id(123) 75 .build(); 76 77 Foo foo1 = EntryPoints.get(subcomponent, FooEntryPoint.class).foo(); 78 Foo foo2 = EntryPoints.get(subcomponent, FooEntryPoint.class).foo(); 79 80 assertThat(foo1).isNotNull(); 81 assertThat(foo2).isNotNull(); 82 assertThat(foo1).isSameInstanceAs(foo2); 83 } 84 85 @Test testActivity()86 public void testActivity() { 87 try (ActivityScenario<TestActivity> scenario = ActivityScenario.launch(TestActivity.class)) { 88 scenario.onActivity( 89 activity -> { 90 assertThat(activity.activityString).isEqualTo("shared_string"); 91 }); 92 } 93 } 94 95 @Test testUsesSharedComponent()96 public void testUsesSharedComponent() { 97 HiltTestApplication app = (HiltTestApplication) getApplicationContext(); 98 Object generatedComponent = 99 ((TestApplicationComponentManager) app.componentManager()).generatedComponent(); 100 assertThat(generatedComponent.getClass().getName()) 101 .isEqualTo(UsesComponentHelper.defaultComponentName()); 102 } 103 104 @Test testLocalComponentNotGenerated()105 public void testLocalComponentNotGenerated() { 106 assertThrows( 107 ClassNotFoundException.class, 108 () -> Class.forName(UsesComponentHelper.perTestComponentName(this))); 109 } 110 111 @AndroidEntryPoint(FragmentActivity.class) 112 public static final class TestActivity extends Hilt_UsesSharedComponent1Test_TestActivity { 113 @Inject @UsesComponentQualifier String activityString; 114 } 115 } 116