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 22 import android.app.Application; 23 import android.os.Build; 24 import androidx.test.ext.junit.runners.AndroidJUnit4; 25 import dagger.hilt.EntryPoint; 26 import dagger.hilt.EntryPoints; 27 import dagger.hilt.InstallIn; 28 import dagger.hilt.android.EarlyEntryPointCustomApplicationClasses.EarlyFooEntryPoint; 29 import dagger.hilt.android.EarlyEntryPointCustomApplicationClasses.Foo; 30 import dagger.hilt.android.testing.CustomTestApplication; 31 import dagger.hilt.android.testing.HiltAndroidRule; 32 import dagger.hilt.android.testing.HiltAndroidTest; 33 import dagger.hilt.components.SingletonComponent; 34 import org.junit.Rule; 35 import org.junit.Test; 36 import org.junit.runner.RunWith; 37 import org.robolectric.annotation.Config; 38 39 @CustomTestApplication(EarlyEntryPointCustomApplicationTest.BaseApplication.class) 40 @HiltAndroidTest 41 @RunWith(AndroidJUnit4.class) 42 // Robolectric requires Java9 to run API 29 and above, so use API 28 instead 43 @Config( 44 sdk = Build.VERSION_CODES.P, 45 application = EarlyEntryPointCustomApplicationTest_Application.class) 46 public final class EarlyEntryPointCustomApplicationTest { 47 @EntryPoint 48 @InstallIn(SingletonComponent.class) 49 interface FooEntryPoint { foo()50 Foo foo(); 51 } 52 53 public static class BaseApplication extends Application { 54 Foo earlyFoo = null; 55 IllegalStateException entryPointsException = null; 56 57 @Override onCreate()58 public void onCreate() { 59 super.onCreate(); 60 61 // Test that calling EarlyEntryPoints works before the test instance is created. 62 earlyFoo = EarlyEntryPoints.get(this, EarlyFooEntryPoint.class).foo(); 63 64 // Test that calling EntryPoints fails if called before the test instance is created. 65 try { 66 EntryPoints.get(this, FooEntryPoint.class); 67 } catch (IllegalStateException e) { 68 entryPointsException = e; 69 } 70 } 71 } 72 73 @Rule public HiltAndroidRule rule = new HiltAndroidRule(this); 74 75 @Test testEarlyEntryPointsPasses()76 public void testEarlyEntryPointsPasses() throws Exception { 77 BaseApplication baseApplication = (BaseApplication) getApplicationContext(); 78 assertThat(baseApplication.earlyFoo).isNotNull(); 79 } 80 81 @Test testEntryPointsFails()82 public void testEntryPointsFails() throws Exception { 83 BaseApplication baseApplication = (BaseApplication) getApplicationContext(); 84 assertThat(baseApplication.entryPointsException).isNotNull(); 85 assertThat(baseApplication.entryPointsException) 86 .hasMessageThat() 87 .contains("The component was not created."); 88 } 89 } 90