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));
}
