91 lines
2.6 KiB
Java
91 lines
2.6 KiB
Java
/*
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* Copyright (C) 2016 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.android.support;
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import static com.google.common.truth.Truth.assertThat;
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import static org.junit.Assert.fail;
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import android.app.Application;
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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.ext.junit.runners.AndroidJUnit4;
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import dagger.android.AndroidInjector;
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import dagger.android.HasAndroidInjector;
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import org.junit.Test;
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import org.junit.runner.RunWith;
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import org.robolectric.Robolectric;
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import org.robolectric.annotation.Config;
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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)
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public final class AndroidSupportInjectionTest {
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@Test
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public void injectFragment_simpleApplication() {
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Fragment fragment = new Fragment();
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startFragment(fragment);
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try {
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AndroidSupportInjection.inject(fragment);
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fail();
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} catch (Exception e) {
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assertThat(e).hasMessageThat().contains("No injector was found");
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}
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}
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private static class ApplicationReturnsNull extends Application
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implements HasAndroidInjector {
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@Override
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public AndroidInjector<Object> androidInjector() {
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return null;
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}
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}
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@Test
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@Config(application = ApplicationReturnsNull.class)
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public void fragmentInjector_returnsNull() {
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Fragment fragment = new Fragment();
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startFragment(fragment);
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try {
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AndroidSupportInjection.inject(fragment);
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fail();
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} catch (Exception e) {
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assertThat(e).hasMessageThat().contains("androidInjector() returned null");
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}
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}
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@Test
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public void injectFragment_nullInput() {
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try {
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AndroidSupportInjection.inject(null);
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fail();
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} catch (NullPointerException e) {
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assertThat(e).hasMessageThat().contains("fragment");
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}
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}
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void startFragment(Fragment fragment) {
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Robolectric.setupActivity(FragmentActivity.class)
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.getSupportFragmentManager()
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.beginTransaction()
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.add(fragment, "")
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.commitNow();
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}
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}
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