public async Task AddNewProductFromInputModelTests() { //Arrange var mapperConfig = new MapperConfiguration(x => x.AddProfile(new MappingProfile())); var mapper = mapperConfig.CreateMapper(); var productService = new ProductService(this.context, mapper); var firstProduct = new AddNewProductBindingModel { CategoryIdString = "CategoryId", Description = "Some Description", Name = "FirstProductName", Price = 12.2m, ProductUrl = "URL" }; var secondProduct = new AddNewProductBindingModel { CategoryIdString = "CategoryId", Description = "Some Description", Name = "SecondProductName", Price = 22.2m, ProductUrl = "URL" }; //Act Assert.Equal(0, this.context.Products.Count()); await productService.AddNewProductFromInputModel(firstProduct); Assert.Equal(1, this.context.Products.Count()); Assert.Equal("FirstProductName", this.context.Products.First().Name); await productService.AddNewProductFromInputModel(secondProduct); //Assert Assert.Equal(2, this.context.Products.Count()); }