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; 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.UsesComponentTestClasses.Foo; 29 import dagger.hilt.android.UsesComponentTestClasses.FooEntryPoint; 30 import dagger.hilt.android.UsesComponentTestClasses.UsesComponentQualifier; 31 import dagger.hilt.android.UsesComponentTestClasses.UsesComponentTestSubcomponent; 32 import dagger.hilt.android.UsesComponentTestClasses.UsesComponentTestSubcomponentBuilderEntryPoint; 33 import dagger.hilt.android.internal.testing.TestApplicationComponentManager; 34 import dagger.hilt.android.testing.HiltAndroidRule; 35 import dagger.hilt.android.testing.HiltAndroidTest; 36 import dagger.hilt.android.testing.HiltTestApplication; 37 import javax.inject.Inject; 38 import org.junit.Rule; 39 import org.junit.Test; 40 import org.junit.runner.RunWith; 41 import org.robolectric.annotation.Config; 42 43 /** 44 * A test that provides none of its own test bindings, and therefore uses the shared components. A 45 * duplicate of {@link SharedComponent1Test} to test that multiple test roots with shared components 46 * can be compiled in the same target. 47 */ 48 @HiltAndroidTest 49 @RunWith(AndroidJUnit4.class) 50 // Robolectric requires Java9 to run API 29 and above, so use API 28 instead 51 @Config(sdk = Build.VERSION_CODES.P, application = HiltTestApplication.class) 52 public final class UsesSharedComponent2Test { 53 54 @Rule public HiltAndroidRule rule = new HiltAndroidRule(this); 55 56 @Inject @UsesComponentQualifier String injectedString; 57 58 @Test testInject()59 public void testInject() { 60 rule.inject(); 61 assertThat(injectedString).isEqualTo("shared_string"); 62 } 63 64 @Test testSubcomponent()65 public void testSubcomponent() { 66 UsesComponentTestSubcomponent subcomponent = 67 EntryPoints.get( 68 getApplicationContext(), UsesComponentTestSubcomponentBuilderEntryPoint.class) 69 .mySubcomponentBuilder() 70 .id(123) 71 .build(); 72 73 Foo foo1 = EntryPoints.get(subcomponent, FooEntryPoint.class).foo(); 74 Foo foo2 = EntryPoints.get(subcomponent, FooEntryPoint.class).foo(); 75 76 assertThat(foo1).isNotNull(); 77 assertThat(foo2).isNotNull(); 78 assertThat(foo1).isSameInstanceAs(foo2); 79 } 80 81 @Test testActivity()82 public void testActivity() { 83 try (ActivityScenario<TestActivity> scenario = ActivityScenario.launch(TestActivity.class)) { 84 scenario.onActivity( 85 activity -> { 86 assertThat(activity.activityString).isEqualTo("shared_string"); 87 }); 88 } 89 } 90 91 @Test testUsesSharedComponent()92 public void testUsesSharedComponent() { 93 HiltTestApplication app = (HiltTestApplication) getApplicationContext(); 94 Object generatedComponent = 95 ((TestApplicationComponentManager) app.componentManager()).generatedComponent(); 96 assertThat(generatedComponent.getClass().getName()) 97 .isEqualTo(UsesComponentHelper.defaultComponentName()); 98 } 99 100 @Test testLocalComponentNotGenerated()101 public void testLocalComponentNotGenerated() { 102 assertThrows( 103 ClassNotFoundException.class, 104 () -> Class.forName(UsesComponentHelper.perTestComponentName(this))); 105 } 106 107 @AndroidEntryPoint(FragmentActivity.class) 108 public static final class TestActivity extends Hilt_UsesSharedComponent2Test_TestActivity { 109 @Inject @UsesComponentQualifier String activityString; 110 } 111 } 112