125 lines
3.6 KiB
Java
125 lines
3.6 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 android.os.Bundle;
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import androidx.annotation.Nullable;
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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.scopes.ViewModelScoped;
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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 ViewModelScopedTest {
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@Rule public final HiltAndroidRule rule = new HiltAndroidRule(this);
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@Test
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public void testViewModelScopeInFragment() {
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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 =
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(TestFragment) activity.getSupportFragmentManager().findFragmentByTag("tag");
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assertThat(fragment.vm.one.bar).isEqualTo(fragment.vm.two.bar);
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});
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}
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}
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@AndroidEntryPoint(FragmentActivity.class)
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public static class TestActivity extends Hilt_ViewModelScopedTest_TestActivity {
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@Override
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protected void onCreate(@Nullable Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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if (savedInstanceState == null) {
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Fragment f =
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getSupportFragmentManager()
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.getFragmentFactory()
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.instantiate(TestFragment.class.getClassLoader(), TestFragment.class.getName());
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getSupportFragmentManager().beginTransaction().add(0, f, "tag").commitNow();
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}
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}
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}
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@AndroidEntryPoint(Fragment.class)
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public static class TestFragment extends Hilt_ViewModelScopedTest_TestFragment {
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MyViewModel vm;
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@Override
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public void onCreate(@Nullable Bundle bundle) {
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super.onCreate(bundle);
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vm = new ViewModelProvider(this).get(MyViewModel.class);
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}
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}
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@HiltViewModel
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static class MyViewModel extends ViewModel {
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final DependsOnBarOne one;
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final DependsOnBarTwo two;
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@Inject
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MyViewModel(DependsOnBarOne one, DependsOnBarTwo two) {
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this.one = one;
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this.two = two;
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}
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}
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@ViewModelScoped
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static class Bar {
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@Inject
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Bar() {}
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}
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static class DependsOnBarOne {
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final Bar bar;
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@Inject
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DependsOnBarOne(Bar bar) {
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this.bar = bar;
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}
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}
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static class DependsOnBarTwo {
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final Bar bar;
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@Inject
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DependsOnBarTwo(Bar bar) {
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this.bar = bar;
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}
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}
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}
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