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; 18 19 import static com.google.common.truth.Truth.assertThat; 20 21 import androidx.test.ext.junit.runners.AndroidJUnit4; 22 import dagger.hilt.EntryPoint; 23 import dagger.hilt.InstallIn; 24 import dagger.hilt.components.SingletonComponent; 25 import java.util.Set; 26 import javax.inject.Inject; 27 import javax.inject.Provider; 28 import org.junit.Rule; 29 import org.junit.Test; 30 import org.junit.runner.RunWith; 31 import org.robolectric.annotation.Config; 32 33 @HiltAndroidTest 34 @RunWith(AndroidJUnit4.class) 35 @Config(application = HiltTestApplication.class) 36 public final class BindValueIntoSetTest { 37 private static final String SET_STRING_1 = "SetString1"; 38 private static final String SET_STRING_2 = "SetString2"; 39 private static final String SET_STRING_3 = "SetString3"; 40 41 @EntryPoint 42 @InstallIn(SingletonComponent.class) 43 public interface BindValueIntoSetEntryPoint { getStringSet()44 Set<String> getStringSet(); 45 } 46 47 @Rule public final HiltAndroidRule rule = new HiltAndroidRule(this); 48 49 @BindValueIntoSet String bindValueSetString1 = SET_STRING_1; 50 @BindValueIntoSet String bindValueSetString2 = SET_STRING_2; 51 52 @Inject Set<String> stringSet; 53 @Inject Provider<Set<String>> providedStringSet; 54 55 @Test testMutated()56 public void testMutated() throws Exception { 57 rule.inject(); 58 // basic check that initial/default values are properly injected 59 assertThat(providedStringSet.get()).containsExactly(SET_STRING_1, SET_STRING_2); 60 bindValueSetString1 = SET_STRING_3; 61 // change the value for bindValueSetString1 from 1 to 3 62 assertThat(providedStringSet.get()).containsExactly(SET_STRING_2, SET_STRING_3); 63 } 64 65 66 } 67