119 lines
4.0 KiB
Java
119 lines
4.0 KiB
Java
/*
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* Copyright (C) 2021 The Dagger Authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package dagger.hilt.android;
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import static androidx.test.core.app.ApplicationProvider.getApplicationContext;
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import static com.google.common.truth.Truth.assertThat;
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import androidx.lifecycle.SavedStateHandle;
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import androidx.lifecycle.ViewModel;
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import androidx.lifecycle.ViewModelProvider;
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import android.content.Intent;
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import android.os.Build;
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import android.os.Bundle;
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import androidx.fragment.app.FragmentActivity;
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import androidx.test.core.app.ActivityScenario;
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import androidx.test.ext.junit.runners.AndroidJUnit4;
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import dagger.Module;
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import dagger.Provides;
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import dagger.hilt.InstallIn;
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import dagger.hilt.android.components.ActivityComponent;
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import dagger.hilt.android.testing.HiltAndroidRule;
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import dagger.hilt.android.testing.HiltAndroidTest;
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import dagger.hilt.android.testing.HiltTestApplication;
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import javax.inject.Inject;
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import org.junit.Rule;
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import org.junit.Test;
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import org.junit.runner.RunWith;
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import org.robolectric.annotation.Config;
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@HiltAndroidTest
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@RunWith(AndroidJUnit4.class)
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// Robolectric requires Java9 to run API 29 and above, so use API 28 instead
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@Config(sdk = Build.VERSION_CODES.P, application = HiltTestApplication.class)
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public class ActivityInjectedSavedStateViewModelTest {
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private static final String DATA_KEY = "TEST_KEY";
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@Rule public final HiltAndroidRule rule = new HiltAndroidRule(this);
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@Test
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public void memberInjectedViewModelWithSavedState() {
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Intent intent = new Intent(getApplicationContext(), TestActivity.class);
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intent.putExtra(DATA_KEY, "test data");
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try (ActivityScenario<TestActivity> scenario = ActivityScenario.launch(intent)) {
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scenario.onActivity(
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activity -> {
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String data = activity.myViewModel.handle.get(DATA_KEY);
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assertThat(data).isEqualTo("test data");
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});
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}
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}
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// Note that assertion of object not being yet injected is in the SuperActivity, while the
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// assertion in the scenario is confirming injection eventually does occur.
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@Test
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public void notYetMemberInjectedSuperActivity() {
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try (ActivityScenario<TestActivityWithSuperActivity> scenario =
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ActivityScenario.launch(TestActivityWithSuperActivity.class)) {
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scenario.onActivity(activity -> assertThat(activity.someObject).isNotNull());
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}
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}
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@AndroidEntryPoint(FragmentActivity.class)
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public static final class TestActivity
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extends Hilt_ActivityInjectedSavedStateViewModelTest_TestActivity {
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@Inject MyViewModel myViewModel;
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}
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@AndroidEntryPoint(SuperActivity.class)
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public static final class TestActivityWithSuperActivity
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extends Hilt_ActivityInjectedSavedStateViewModelTest_TestActivityWithSuperActivity {}
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public static class SuperActivity extends FragmentActivity {
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@Inject Object someObject;
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@Override
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protected void onCreate(Bundle savedInstanceState) {
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assertThat(someObject).isNull(); // not yet injected
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super.onCreate(savedInstanceState);
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}
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}
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@Module
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@InstallIn(ActivityComponent.class)
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static final class MyViewModelModel {
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@Provides
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static MyViewModel provideModel(FragmentActivity activity) {
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return new ViewModelProvider(activity).get(MyViewModel.class);
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}
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@Provides
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static Object provideObject() {
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return new Object();
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}
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}
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public static final class MyViewModel extends ViewModel {
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final SavedStateHandle handle;
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public MyViewModel(SavedStateHandle handle) {
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this.handle = handle;
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}
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}
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}
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