using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Data.Entity;
using Moq;

namespace PersonalFinanceTest
{
    static class MoqContext
    {
        public static DbSet<T> GetQueryableMockDbSet<T>(params T[] sourceList) where T : class
        {
            var queryable = sourceList.AsQueryable();

            var dbSet = new Mock<DbSet<T>>();
            dbSet.As<IQueryable<T>>().Setup(m => m.Provider).Returns(queryable.Provider);
            dbSet.As<IQueryable<T>>().Setup(m => m.Expression).Returns(queryable.Expression);
            dbSet.As<IQueryable<T>>().Setup(m => m.ElementType).Returns(queryable.ElementType);
            dbSet.As<IQueryable<T>>().Setup(m => m.GetEnumerator()).Returns(queryable.GetEnumerator());
            
            return dbSet.Object;
        }
    }
}