| /* |
| * Copyright (C) 2016 The Dagger Authors. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package dagger.android.support; |
| |
| import static com.google.common.truth.Truth.assertThat; |
| import static org.junit.Assert.fail; |
| |
| import android.app.Application; |
| import androidx.fragment.app.Fragment; |
| import dagger.android.AndroidInjector; |
| import dagger.android.HasAndroidInjector; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.robolectric.RobolectricTestRunner; |
| import org.robolectric.annotation.Config; |
| import org.robolectric.shadows.support.v4.SupportFragmentTestUtil; |
| |
| @RunWith(RobolectricTestRunner.class) |
| public final class AndroidSupportInjectionTest { |
| @Test |
| public void injectFragment_simpleApplication() { |
| Fragment fragment = new Fragment(); |
| SupportFragmentTestUtil.startFragment(fragment); |
| |
| try { |
| AndroidSupportInjection.inject(fragment); |
| fail(); |
| } catch (Exception e) { |
| assertThat(e).hasMessageThat().contains("No injector was found"); |
| } |
| } |
| |
| private static class ApplicationReturnsNull extends Application |
| implements HasAndroidInjector { |
| @Override |
| public AndroidInjector<Object> androidInjector() { |
| return null; |
| } |
| } |
| |
| @Test |
| @Config(application = ApplicationReturnsNull.class) |
| public void fragmentInjector_returnsNull() { |
| Fragment fragment = new Fragment(); |
| SupportFragmentTestUtil.startFragment(fragment); |
| |
| try { |
| AndroidSupportInjection.inject(fragment); |
| fail(); |
| } catch (Exception e) { |
| assertThat(e).hasMessageThat().contains("androidInjector() returned null"); |
| } |
| } |
| |
| @Test |
| public void injectFragment_nullInput() { |
| try { |
| AndroidSupportInjection.inject(null); |
| fail(); |
| } catch (NullPointerException e) { |
| assertThat(e).hasMessageThat().contains("fragment"); |
| } |
| } |
| } |