private void OnIntervalElapsed(object state)
{
var distance = _measureSensor.GetDistance();
_logger.LogInformation($"Measured distance. {distance}cm");
var @event = new DistanceMeasured(distance);
Task.Run(async() => await _mediator.Publish(@event));
_logger.LogDebug($"Published {@event} event.");
}
public async Task Handle_DistanceMeasured_requests_a_played_sound_effect_being_stopped()
{
// Arrange
A.CallTo(() => _distanceToSoundEffectConverter.DistanceToSoundEffect(A <double> ._))
.Returns(null);
var distanceMeasured = new DistanceMeasured(_distance);
// Act
await _sut.Handle(distanceMeasured, _defaultCancellationToken);
// Assert
A.CallTo(() => _mediator.Send(A <StopPlayingSoundEffect> ._, A <CancellationToken> ._))
.MustHaveHappenedOnceExactly();
}
public async Task Handle(DistanceMeasured distanceMeasured, CancellationToken cancellationToken)
{
_logger.LogDebug($"Received {distanceMeasured} event.");
var soundEffect = _distanceToSoundEffectConverter.DistanceToSoundEffect(distanceMeasured.Distance);
IRequest command;
if (soundEffect == null)
{
command = new StopPlayingSoundEffect();
}
else
{
command = new StartPlayingSoundEffect(soundEffect.Frequency);
}
await _mediator.Send(command);
_logger.LogDebug($"Sent {command} command.");
}
