//cbGet and cbSort//
//Buttons + attached logic//
private void btnAdd_Click(object sender, EventArgs e)
{
Town town = new Town
{
Name = txtName.Text
};
TownBusiness townBusiness = new TownBusiness();
townBusiness.Add(town);
PopulateDataGridViewDefault();
txtName.Text = "";
}
public void AddTown()
{
var mockSet = new Mock <DbSet <Town> >();
var mockContext = new Mock <CarDealershipContext>();
mockContext.Setup(m => m.Towns).Returns(mockSet.Object);
var service = new TownBusiness(mockContext.Object);
service.Add(new Town());
mockSet.Verify(m => m.Add(It.IsAny <Town>()), Times.Once());
mockContext.Verify(m => m.SaveChanges(), Times.Once());
}