content: /*
   * Copyright 2021 The Android Open Source Project
   *
   * 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 androidx.car.app.sample.helloworld.common;
  
  import static com.google.common.truth.Truth.assertThat;
  
  import android.content.ComponentName;
  import android.content.Intent;
  
  import androidx.car.app.Screen;
  import androidx.car.app.Session;
  import androidx.car.app.SessionInfo;
  import androidx.car.app.testing.SessionController;
  import androidx.car.app.testing.TestCarContext;
  import androidx.car.app.testing.TestScreenManager;
  import androidx.lifecycle.Lifecycle;
  import androidx.test.core.app.ApplicationProvider;
  
  import org.junit.Test;
  import org.junit.runner.RunWith;
  import org.robolectric.Robolectric;
  import org.robolectric.RobolectricTestRunner;
  import org.robolectric.annotation.internal.DoNotInstrument;
  
  /**
   * A sample test on the session instance from {@link HelloWorldService}.
   *
   * <p>Demonstrating the usage of {@link SessionController} and validating that the session is
   * pushing the expected screen when created.
   */
  @RunWith(RobolectricTestRunner.class)
  @DoNotInstrument
  public class HelloWorldSessionTest {
      private final TestCarContext mTestCarContext =
              TestCarContext.createCarContext(ApplicationProvider.getApplicationContext());
  
      @Test
      public void onCreateScreen_returnsExpectedScreen() {
          HelloWorldService service = Robolectric.setupService(HelloWorldService.class);
          Session session = service.onCreateSession(SessionInfo.DEFAULT_SESSION_INFO);
          SessionController controller =
                  new SessionController(session, mTestCarContext,
                          new Intent().setComponent(
                                  new ComponentName(mTestCarContext, HelloWorldService.class)));
          controller.moveToState(Lifecycle.State.CREATED);
  
          Screen screenCreated =
                  mTestCarContext.getCarService(TestScreenManager.class).getScreensPushed().get(0);
          assertThat(screenCreated).isInstanceOf(HelloWorldScreen.class);
      }
  
  }
  