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; 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.content.Context; 24 import android.os.Build; 25 import androidx.test.ext.junit.runners.AndroidJUnit4; 26 import dagger.hilt.android.testing.CustomTestApplication; 27 import dagger.hilt.android.testing.HiltAndroidRule; 28 import dagger.hilt.android.testing.HiltAndroidTest; 29 import org.junit.Rule; 30 import org.junit.Test; 31 import org.junit.runner.RunWith; 32 import org.robolectric.annotation.Config; 33 34 /** Tests {@link dagger.hilt.android.testing.CustomTestApplication}. */ 35 @CustomTestApplication(CustomTestApplicationTest.BaseApplication.class) 36 @HiltAndroidTest 37 @RunWith(AndroidJUnit4.class) 38 // Robolectric requires Java9 to run API 29 and above, so use API 28 instead 39 @Config(sdk = Build.VERSION_CODES.P, application = CustomTestApplicationTest_Application.class) 40 public final class CustomTestApplicationTest { 41 static class BaseApplication extends Application {} 42 43 static class OtherBaseApplication extends Application {} 44 45 @Rule public HiltAndroidRule rule = new HiltAndroidRule(this); 46 47 @Test testApplicationBaseClass()48 public void testApplicationBaseClass() throws Exception { 49 assertThat((Context) getApplicationContext()).isInstanceOf(BaseApplication.class); 50 } 51 52 @CustomTestApplication(OtherBaseApplication.class) 53 public static class Other {} 54 55 @Test 56 @Config(application = CustomTestApplicationTest_Other_Application.class) testOtherApplicationBaseClass()57 public void testOtherApplicationBaseClass() throws Exception { 58 assertThat((Context) getApplicationContext()).isInstanceOf(OtherBaseApplication.class); 59 } 60 } 61