public async Task Given_An_Valid_DownloadImageCommand_Should_Execute_Publish_Method_Once()
{
// Arrange
var downloadImageCommand = new DownloadImageCommand
{
ImageFolderPath = @"c:\windows",
ImageFileName = "Call Of The Haunted",
RemoteImageUrl = new Uri("http://filesomewhere/callofthehaunted.png")
};
_validator.Validate(Arg.Any <DownloadImageCommand>()).Returns(new DownloadImageCommandValidator().Validate(downloadImageCommand));
_cardImageQueueService.Publish(Arg.Any <DownloadImage>()).Returns(new CardImageCompletion());
// Act
await _sut.Handle(downloadImageCommand, CancellationToken.None);
// Assert
await _cardImageQueueService.Received(1).Publish(Arg.Any <DownloadImage>());
}
