moq

UserServiceTest.cs

using System;
using System.Collections.Generic;
using Moq;
using NUnit.Framework;


namespace TestProject1
{
    [TestFixture]
    public class UserServiceTest
    {
        [Test]
        public void TenOrders()
        {
            Mock<IOrderDao> mockOrderDao = new Mock<IOrderDao>();
            mockOrderDao.Setup(x => x.GetOrderByUserId(123)).Returns(GetOrders());

            UserService userService = new UserService(mockOrderDao.Object);

            bool result = userService.HaveTenOrders(123);

            Assert.True(result);
        }

        [Test]
        public void MenorTenOrders()
        {
            Mock<IOrderDao> mockOrderDao = new Mock<IOrderDao>();
            mockOrderDao.Setup(x => x.GetOrderByUserId(123)).Returns(new List<Order> {new Order()});

            UserService userService = new UserService(mockOrderDao.Object);

            bool result = userService.HaveTenOrders(123);

            Assert.False(result);
        }

        private List<Order> GetOrders()
        {
            List<Order> orders = new List<Order>();

            orders.Add(new Order());
            orders.Add(new Order());
            orders.Add(new Order());

            return orders;
        }
    }

    public interface IOrderDao
    {
        List<Order> GetOrderByUserId(int userId);
    }

    public class Order
    {
        public int Id { get; set; }
        public double Amount { get; set; }
    }

    public class OrderDao : IOrderDao
    {
        public List<Order> GetOrderByUserId(int userId)
        {
            throw new System.NotImplementedException();
        }
    }

    public class User
    {
        public int Id { get; set; }
        public string Name { get; set; }
    }

    public class UserService
    {
        private IOrderDao orderDao;

        public UserService(IOrderDao orderDao)
        {
            this.orderDao = orderDao;
        }

        public bool HaveTenOrders(int userId)
        {
            List<Order> orders = orderDao.GetOrderByUserId(userId);

            if (orders.Count > 2)
            {
                return true;
            }

            return false;
        }
    }
}