public Product Update(Product entity)
{
Debug.WriteLine("UPDATING product in database");
var existing = Products.First(c => c.ID == entity.ID);
Mapper.Map(entity, existing);
return entity;
}
public void Is_invalid_when_item_amount_does_not_equal_item_amount_times_product_price()
{
var orderItem = new OrderItem() { Amount = 30, Quantity = 3 };
var product = new Product { Price = 11 };
var rule = new OrderItemAmountValidityRule(orderItem, product);
rule.Validate().IsValid.ShouldBe(false);
rule.ErrorMessage.ShouldNotBe(null);
}
public void Is_invalid_when_item_price_does_not_equal_product_price()
{
var orderItem = new OrderItem() { Price = 10 };
var product = new Product { Price = 11 };
var rule = new OrderItemPriceValidityRule(orderItem, product);
rule.Validate().IsValid.ShouldBe(false);
rule.ErrorMessage.ShouldNotBe(null);
}
public void Is_valid_when_item_price_equals_product_price()
{
var orderItem = new OrderItem() { Price = 10 };
var product = new Product { Price = 10 };
var rule = new OrderItemPriceValidityRule(orderItem, product);
rule.Validate().IsValid.ShouldBe(true);
rule.ErrorMessage.ShouldBe(null);
}
public async Task Is_valid_when_item_amount_equals_item_quantity_times_product_price_async()
{
var orderItem = new OrderItem() { Amount = 30, Quantity = 3 };
var product = new Product { Price = 10 };
var rule = new OrderItemAmountValidityRule(orderItem, product);
await rule.ValidateAsync();
rule.IsValid.ShouldBe(true);
rule.ErrorMessage.ShouldBe(null);
}
public Product Insert(Product entity)
{
lock (_lockObject)
{
var nextID = Products.Max(c => c.ID) + 1;
entity.ID = nextID;
Products.Add(entity);
return entity;
}
}
public Task<Product> UpdateAsync(Product entity)
{
return Task.Run(() => Update(entity));
}
public Task<Product> InsertAsync(Product entity)
{
return Task.Run(() => Insert(entity));
}
public OrderItemPriceValidityRule(OrderItem item, Product product)
{
_item = item;
_product = product;
}
public OrderItemAmountValidityRule(OrderItem item, Product product)
{
_item = item;
_product = product;
}