public void AddRangeStateTest()
{
//country table must NOT be Empty
var context = new ApplicationDbContext();
var target = new StateRepository(context);
var countryId = context.Country.FirstOrDefault().Id;//select first row from Country Table, For Country id
IList <State> stateList = new List <State>();
var state1 = new State()
{
CountryId = countryId, Title = "Gilan"
};
var state2 = new State()
{
CountryId = countryId, Title = "Tehran"
};
stateList.Add(state1);
stateList.Add(state2);
var expected = context.State.Count() + stateList.Count;
target.AddRange(stateList);
target.Complete();
var actual = context.State.Count();
Assert.AreEqual(expected, actual);//if expected equals to actual then the test would pass
}