public void Subscribe_CanBeCalledFromOnCompleted()
{
// Arrange
var updateSource = new AsyncUpdateSource();
var observer = Substitute.For <IObserver <float> >();
var subscription = updateSource.Subscribe(observer);
observer.When(x => x.OnCompleted()).Do(x => updateSource.Subscribe(observer));
// Act
updateSource.OnCompleted();
// Assert
observer.Received(1).OnCompleted();
}
public void Dispose_CallsCompleted()
{
// Arrange
var updateSource = new AsyncUpdateSource();
var observer = Substitute.For <IObserver <float> >();
updateSource.Subscribe(observer);
// Act
updateSource.Dispose();
// Assert
observer.Received().OnCompleted();
}
public void OnNext_CallsNext()
{
// Arrange
var updateSource = new AsyncUpdateSource();
var observer = Substitute.For <IObserver <float> >();
updateSource.Subscribe(observer);
// Act
updateSource.OnNext(0);
// Assert
observer.Received().OnNext(0);
}
public void OnError_CallsError()
{
// Arrange
var updateSource = new AsyncUpdateSource();
var observer = Substitute.For <IObserver <float> >();
var e = new Exception();
updateSource.Subscribe(observer);
// Act
updateSource.OnError(e);
// Assert
observer.Received().OnError(e);
}
public void Unsubscribe_CanBeCalledFromOnError()
{
// Arrange
var updateSource = new AsyncUpdateSource();
var observer = Substitute.For <IObserver <float> >();
var subscription = updateSource.Subscribe(observer);
var e = new Exception();
observer.When(x => x.OnError(e)).Do(x => subscription.Dispose());
// Act
updateSource.OnError(e);
// Assert
observer.Received(1).OnError(e);
}