126 lines
4.5 KiB
Java
126 lines
4.5 KiB
Java
/*
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* Copyright (C) 2020 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 com.google.common.truth.Truth.assertThat;
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import androidx.lifecycle.ViewModel;
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import androidx.lifecycle.ViewModelProvider;
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import android.os.Build;
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import androidx.fragment.app.Fragment;
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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.hilt.android.lifecycle.HiltViewModel;
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import dagger.hilt.android.testing.BindValue;
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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 DefaultViewModelFactoryTest {
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@Rule public final HiltAndroidRule rule = new HiltAndroidRule(this);
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@BindValue String hiltStringValue = "hilt";
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@Test
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public void activityFactoryFallsBackToBase() {
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try (ActivityScenario<TestActivity> scenario = ActivityScenario.launch(TestActivity.class)) {
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scenario.onActivity(
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activity -> {
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assertThat(new ViewModelProvider(activity).get(TestHiltViewModel.class).value)
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.isEqualTo("hilt");
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assertThat(new ViewModelProvider(activity).get(TestViewModel.class).value)
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.isEqualTo("non-hilt");
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});
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}
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}
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@Test
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public void fragmentFactoryFallbsBackToBase() {
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// TODO(danysantiago): Use FragmentScenario when it becomes available.
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try (ActivityScenario<TestActivity> scenario = ActivityScenario.launch(TestActivity.class)) {
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scenario.onActivity(
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activity -> {
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TestFragment fragment = new TestFragment();
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activity.getSupportFragmentManager().beginTransaction().add(fragment, "").commitNow();
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assertThat(new ViewModelProvider(fragment).get(TestHiltViewModel.class).value)
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.isEqualTo("hilt");
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assertThat(new ViewModelProvider(fragment).get(TestViewModel.class).value)
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.isEqualTo("non-hilt");
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});
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}
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}
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@HiltViewModel
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public static final class TestHiltViewModel extends ViewModel {
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final String value;
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@Inject
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TestHiltViewModel(String value) {
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this.value = value;
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}
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}
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public static final class TestViewModel extends ViewModel {
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final String value;
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// Take in a string so it cannot be constructed by the default view model factory
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public TestViewModel(String value) {
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this.value = value;
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}
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}
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@AndroidEntryPoint(BaseActivity.class)
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public static final class TestActivity extends Hilt_DefaultViewModelFactoryTest_TestActivity {}
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public static class BaseActivity extends FragmentActivity {
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@SuppressWarnings("unchecked")
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@Override public ViewModelProvider.Factory getDefaultViewModelProviderFactory() {
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return new ViewModelProvider.Factory() {
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@Override public <T extends ViewModel> T create(Class<T> clazz) {
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assertThat(clazz).isEqualTo(TestViewModel.class);
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return (T) new TestViewModel("non-hilt");
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}
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};
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}
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}
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@AndroidEntryPoint(BaseFragment.class)
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public static final class TestFragment extends Hilt_DefaultViewModelFactoryTest_TestFragment {}
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public static class BaseFragment extends Fragment {
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@SuppressWarnings("unchecked")
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@Override public ViewModelProvider.Factory getDefaultViewModelProviderFactory() {
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return new ViewModelProvider.Factory() {
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@Override public <T extends ViewModel> T create(Class<T> clazz) {
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assertThat(clazz).isEqualTo(TestViewModel.class);
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return (T) new TestViewModel("non-hilt");
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}
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};
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}
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}
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}
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