public void When_Product_NotFound()
{
UpdateProductStockInput input = new UpdateProductStockInput
{
ProductCode = "P1",
Quantity = 10
};
Assert.Throws <ProductNotFoundException>(() => productService.UpdateProductStock(input));
}
public void When_Quantity_IsLessThanZero()
{
UpdateProductStockInput input = new UpdateProductStockInput
{
ProductCode = "P1",
Quantity = -10
};
Assert.Throws <InvalidQuantityException>(() => productService.UpdateProductStock(input));
}
public void When_UpdateProductStock_IsSuccessful()
{
Product product = new Product("P1", 100, 1000);
mockProductRepository.Setup(x => x.GetProduct("P1")).Returns(product);
UpdateProductStockInput input = new UpdateProductStockInput
{
ProductCode = "P1",
Quantity = 10
};
Assert.DoesNotThrow(() => productService.UpdateProductStock(input));
mockProductRepository.Verify(x => x.UpdateProductStock(It.IsAny <UpdateProductStockRequest>()), Times.Once());
}
public async Task <IServiceResult <int> > UpdateStock(UpdateProductStockInput input)
{
var product = await _databaseContext.Products.FindAsync(input.Id);
if (product is null)
{
return(ServiceResult <int> .NotFound());
}
product.UpdateStock(input.Value);
await _databaseContext.SaveChangesAsync();
return(ServiceResult <int> .Ok(product.Id));
}
public void UpdateProductStock(UpdateProductStockInput updateProductStockInput)
{
if (updateProductStockInput.Quantity <= 0)
{
throw new InvalidQuantityException();
}
var product = _productRepository.GetProduct(updateProductStockInput.ProductCode);
if (product == null)
{
throw new ProductNotFoundException();
}
_productRepository.UpdateProductStock(new UpdateProductStockRequest(updateProductStockInput.ProductCode, product.Stock - updateProductStockInput.Quantity));
}
public async Task <IServiceResult <int> > Put(UpdateProductStockInput input) => await _updateProductService.UpdateStock(input);
