public void ChangeItemTest()
{
//_context.Subjects.RemoveRange(_context.Subjects);
var repo = new TeachersRepository(_context);
var item = new Teacher
{
FirstName = "Kate",
MiddleName = "Mary",
LastName = "March",
Department = _context.Departments.FirstOrDefault()
};
repo.AddItem(item);
int Id = _context.Teachers.FirstOrDefault(x => x.FirstName == item.FirstName &&
x.MiddleName == item.MiddleName &&
x.LastName == item.LastName &&
x.Department.Id == item.Department.Id).Id;
var newitem = repo.GetItem(Id);
newitem.LastName = "Price";
repo.ChangeItem(newitem);
var changeditem = repo.GetItem(Id);;
Assert.AreEqual(newitem.FirstName, changeditem.FirstName);
Assert.AreEqual(newitem.MiddleName, changeditem.MiddleName);
Assert.AreEqual(newitem.LastName, changeditem.LastName);
Assert.AreEqual(newitem.Department.Id, changeditem.Department.Id);
_context.Teachers.Remove(newitem);
}