public async Task <SubscriptionViewModel> AskAsync(SubscriptionViewModelCriterion criterion)
{
var allProductsCriterion = new AllProductsCriterion();
var products = await _queryBuilder.For <List <Product> >().WithAsync(allProductsCriterion);
var productsSumInSubscriptionCriterion = new CalculateProductsSumInSubscriptionCriterion();
var sum = await _queryBuilder.For <double>().WithAsync(productsSumInSubscriptionCriterion);
var deliveryIntervalForSubscriptionCriterion = new DeliveryIntervalWithTemplateForSubscriptionCriterion();
var deliveryInterval = await _queryBuilder.For <DeliveryInterval>().WithAsync(deliveryIntervalForSubscriptionCriterion);
var subscriptionDatesCriterion = new SubscriptionDatesForSubscriptionCriterion();
var subscriptionDates = await _queryBuilder.For <List <SubscriptionDate> >().WithAsync(subscriptionDatesCriterion);
var calculateSpentAmountCriterion = new CalculateSpentAmountCriterion(criterion.PointedTodayDate, sum);
var spentAmount = await _queryBuilder.For <double>().WithAsync(calculateSpentAmountCriterion);
var deliveryDatesCriterion = new DeliveryDatesCriterion(criterion.PointedTodayDate, criterion.PointedTodayDate.AddMonths(3));
var deliveryDates = await _queryBuilder.For <List <DateTime> >().WithAsync(deliveryDatesCriterion);
var viewModel = new SubscriptionViewModel
{
Today = criterion.PointedTodayDate,
Products = products,
DeliveryInterval = deliveryInterval,
SubscriptionDates = subscriptionDates,
ProductsPricesSum = sum,
SpentAmount = spentAmount,
DeliveryDates = deliveryDates
};
return(viewModel);
}
public async Task ShouldReturn0_WhenProductsInSubcriptionNoExists()
{
SetupMocks(_subscription);
var criterion = new CalculateProductsSumInSubscriptionCriterion();
var query = new CalculateProductsSumInSubscriptionQuery(_queryBuilderMock.Object);
var queryResult = await query.AskAsync(criterion);
Assert.AreEqual(queryResult, 0);
}
public async Task ShouldCalculateTotalPrice_WhenProductsInSubcriptionExists(int productsCount)
{
var random = new Randomizer();
for (int i = 0; i < productsCount; i++)
{
_subscription.Products.Add(new Product()
{
Price = random.NextDouble()
});
}
SetupMocks(_subscription);
var criterion = new CalculateProductsSumInSubscriptionCriterion();
var query = new CalculateProductsSumInSubscriptionQuery(_queryBuilderMock.Object);
var queryResult = await query.AskAsync(criterion);
Assert.AreEqual(queryResult, _subscription.Products.Sum(x => x.Price));
}
