public void Constructor_ConfirmationServiceNull_Throws()
{
var stubDecoratee = Substitute.For <ICommandService <TranslateSubtitlesFileToNewFile> >();
var stubCalculator = Substitute.For <ISubtitlesFileCostCalculator>();
IUserConfirmationService nullConfirmationService = null;
Assert.Throws <ArgumentNullException>(
() => new TranslationCostConfirmationDecorator(
stubDecoratee, stubCalculator, nullConfirmationService));
}
private TranslationCostConfirmationDecorator CreateDecorator(
ICommandService <TranslateSubtitlesFileToNewFile> decoratee,
IUserConfirmationService confirmationService)
{
var stubCalculator = Substitute.For <ISubtitlesFileCostCalculator>();
stubCalculator
.Calculate(Arg.Any <FilePath>())
.Returns(new Price(5, Currency.Euro));
return(new TranslationCostConfirmationDecorator(
decoratee,
stubCalculator,
confirmationService));
}
public TranslationCostConfirmationDecorator(
ICommandService <TranslateSubtitlesFileToNewFile> decoratee,
ISubtitlesFileCostCalculator costCalculator,
IUserConfirmationService confirmationService)
{
if (decoratee == null)
{
throw new ArgumentNullException(nameof(decoratee));
}
if (costCalculator == null)
{
throw new ArgumentNullException(nameof(decoratee));
}
if (confirmationService == null)
{
throw new ArgumentNullException(nameof(confirmationService));
}
this.decoratee = decoratee;
this.costCalculator = costCalculator;
this.confirmationService = confirmationService;
}