public async Task GivenAtLeastOneProductInDatabase() { var product = new Product { Id = Faker.Random.Guid(), Name = Faker.Random.String(), Description = Faker.Random.String(), DeliveryPrice = Faker.Random.Decimal() }; GetDependency <IProductRepository>() .Setup(x => x.ListAsync()) .Returns(Task.FromResult((IEnumerable <Product>)(new List <Product> { product }))); var httpActionResult = await TestInstance.GetAll(); var dto = ((OkNegotiatedContentResult <ProductsDto>)httpActionResult).Content.Items.First(); dto.ShouldSatisfyAllConditions( () => dto.Id.ShouldBe(product.Id), () => dto.Name.ShouldBe(product.Name), () => dto.Description.ShouldBe(product.Description), () => dto.DeliveryPrice.ShouldBe(product.DeliveryPrice) ); }