PIBD24_BoikoM.S._Candyhouse/CandyHouseSolution/CandyHouseTests/DataModelsTests/OrderDataModelTests.cs

using System;
using NUnit.Framework;
using CandyHouseBase.DataModels;
using CandyHouseBase.Enums;
using CandyHouseBase.Exceptions;

namespace CandyHouseTests.DataModelsTests
{
    [TestFixture]
    public class OrderDataModelTests
    {
        [Test]
        public void CreateOrderDataModel_ValidData_ShouldCreateSuccessfully()
        {
            var id = Guid.NewGuid().ToString();
            var customerName = "Alice";
            var orderDate = DateTime.Now;
            var totalAmount = 100.0m;
            var discountAmount = 10.0m;
            var orderId = Guid.NewGuid().ToString();
            var pekarId = Guid.NewGuid().ToString();
            var statusType = StatusType.Pending;

            var order = new OrderDataModel(id, customerName, orderDate, totalAmount, discountAmount, orderId, pekarId, statusType);

            Assert.AreEqual(id, order.Id);
            Assert.AreEqual(customerName, order.CustomerName);
            Assert.AreEqual(orderDate, order.OrderDate);
            Assert.AreEqual(totalAmount, order.TotalAmount);
            Assert.AreEqual(discountAmount, order.DiscountAmount);
            Assert.AreEqual(orderId, order.OrderId);
            Assert.AreEqual(pekarId, order.PekarId);
            Assert.AreEqual(statusType, order.StatusType);
        }

        [Test]
        public void Validate_ValidData_ShouldNotThrowException()
        {
            var order = new OrderDataModel(
                Guid.NewGuid().ToString(),
                "Alice",
                DateTime.Now,
                100.0m,
                10.0m,
                Guid.NewGuid().ToString(),
                Guid.NewGuid().ToString(),
                StatusType.Pending
            );

            Assert.DoesNotThrow(() => order.Validate());
        }

        [Test]
        public void Validate_InvalidId_ShouldThrowValidationException()
        {
            var order = new OrderDataModel(
                "",
                "Alice",
                DateTime.Now,
                100.0m,
                10.0m,
                Guid.NewGuid().ToString(),
                Guid.NewGuid().ToString(),
                StatusType.Pending
            );

            Assert.Throws<ValidationException>(() => order.Validate());
        }

        [Test]
        public void Validate_InvalidCustomerName_ShouldThrowValidationException()
        {
            var order = new OrderDataModel(
                Guid.NewGuid().ToString(),
                "",
                DateTime.Now,
                100.0m,
                10.0m,
                Guid.NewGuid().ToString(),
                Guid.NewGuid().ToString(),
                StatusType.Pending
            );

            Assert.Throws<ValidationException>(() => order.Validate());
        }

        [Test]
        public void Validate_NegativeTotalAmount_ShouldThrowValidationException()
        {
            var order = new OrderDataModel(
                Guid.NewGuid().ToString(),
                "Alice",
                DateTime.Now,
                -50.0m,
                10.0m,
                Guid.NewGuid().ToString(),
                Guid.NewGuid().ToString(),
                StatusType.Pending
            );

            Assert.Throws<ValidationException>(() => order.Validate());
        }
    }
}