content: /*
   * Copyright (C) 2020 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.test.internal.events.client;
  
  import static androidx.test.internal.util.Checks.checkNotNull;
  import static androidx.test.services.events.ParcelableConverter.getTestCaseFromDescription;
  
  import android.util.Log;
  import androidx.annotation.NonNull;
  import androidx.test.services.events.ErrorInfo;
  import androidx.test.services.events.TestEventException;
  import androidx.test.services.events.TimeStamp;
  import androidx.test.services.events.discovery.TestDiscoveryErrorEvent;
  import androidx.test.services.events.discovery.TestDiscoveryFinishedEvent;
  import androidx.test.services.events.discovery.TestDiscoveryStartedEvent;
  import androidx.test.services.events.discovery.TestFoundEvent;
  import java.util.concurrent.atomic.AtomicBoolean;
  import org.junit.runner.Description;
  import org.junit.runner.Result;
  import org.junit.runner.notification.Failure;
  import org.junit.runner.notification.RunListener;
  
  /**
   * Uses the {@link TestDiscoveryEventService} to pass test case information back to the
   * Orchestrator.
   */
  public final class TestDiscoveryListener extends RunListener {
    private static final String TAG = "TestDiscoveryListener";
    private final TestDiscoveryEventService testDiscoveryEventService;
    private final AtomicBoolean discoveryStarted = new AtomicBoolean(false);
  
    public TestDiscoveryListener(@NonNull TestDiscoveryEventService testDiscoveryEventService) {
      this.testDiscoveryEventService =
          checkNotNull(testDiscoveryEventService, "testDiscoveryEventService can't be null");
    }
  
    @Override
    public void testRunStarted(Description description) {
      try {
        reportTestRunStarted();
      } catch (TestEventClientException e) {
        Log.e(TAG, "Failed to send discovery started", e);
      }
    }
  
    private void reportTestRunStarted() throws TestEventClientException {
      // testRunStarted may be called more than once, if a process crash event arrives from another
      // thread
      if (!discoveryStarted.getAndSet(true)) {
        testDiscoveryEventService.send(new TestDiscoveryStartedEvent());
      }
    }
  
    @Override
    public void testRunFinished(Result result) {
      try {
        testDiscoveryEventService.send(new TestDiscoveryFinishedEvent());
      } catch (TestEventClientException e) {
        Log.e(TAG, "Failed to send discovery started", e);
      }
    }
  
    @Override
    public void testFinished(Description description) {
      if (!JUnitValidator.validateDescription(description)) {
        // will be already reported via testFailure
        Log.d(
            TAG,
            "JUnit reported "
                + description.getClassName()
                + "#"
                + description.getMethodName()
                + "; discarding as bogus.");
        return;
      }
      try {
        testDiscoveryEventService.send(new TestFoundEvent(getTestCaseFromDescription(description)));
      } catch (TestEventException e) {
        Log.e(TAG, "Failed to get test description", e);
      }
    }
  
    @Override
    public void testFailure(Failure failure) {
      // this is likely a JUnit error loading the class aka a initializationError
      try {
        reportDiscoveryError(failure);
      } catch (TestEventClientException e) {
        Log.e(TAG, "Failed to send discovery failure", e);
      }
    }
  
    private void reportDiscoveryError(Failure failure) throws TestEventClientException {
      testDiscoveryEventService.send(
          new TestDiscoveryErrorEvent(ErrorInfo.createFromFailure(failure), TimeStamp.now()));
    }
  
    public boolean reportProcessCrash(Throwable t) {
      try {
        // report a start event just in case discovery did not start yet
        reportTestRunStarted();
        reportDiscoveryError(new Failure(Description.EMPTY, t));
        // report run finished, since process crashed, we are likely dying
        testDiscoveryEventService.send(new TestDiscoveryFinishedEvent());
        return true;
      } catch (TestEventClientException e) {
        Log.e(TAG, "Failed to report process crash error", e);
        return false;
      }
    }
  }
  