public void IdentityTest()
{
using (VehicleDbContext context = new VehicleDbContext())
{
if (context.Database.Exists())
{
context.Database.Delete();
}
context.Database.CreateIfNotExists();
// Identity as Guid
Manufacturer nissan = new Manufacturer
{
Name = "Nissan"
};
Manufacturer ford = new Manufacturer
{
Name = "Ford"
};
context.Manufacturers.Add(nissan);
context.Manufacturers.Add(ford);
// Identity as Integer
Distributor dis1 = new Distributor
{
Name = "Distributor1"
};
Distributor dis2 = new Distributor
{
Name = "Distributor2"
};
context.Distributors.Add(dis1);
context.Distributors.Add(dis2);
context.SaveChanges();
using (MySqlConnection conn = new MySqlConnection(context.Database.Connection.ConnectionString))
{
conn.Open();
// Validates Guid
MySqlCommand cmd = new MySqlCommand("SELECT * FROM Manufacturers", conn);
MySqlDataReader dr = cmd.ExecuteReader();
if (!dr.HasRows)
{
Assert.Fail("No records found");
}
while (dr.Read())
{
string name = dr.GetString(1);
switch (name)
{
case "Nissan":
Assert.AreEqual(dr.GetGuid(0), nissan.ManufacturerId);
Assert.AreEqual(dr.GetGuid(2), nissan.GroupIdentifier);
break;
case "Ford":
Assert.AreEqual(dr.GetGuid(0), ford.ManufacturerId);
Assert.AreEqual(dr.GetGuid(2), ford.GroupIdentifier);
break;
default:
Assert.Fail();
break;
}
}
dr.Close();
// Validates Integer
cmd = new MySqlCommand("SELECT * FROM Distributors", conn);
dr = cmd.ExecuteReader();
if (!dr.HasRows)
{
Assert.Fail("No records found");
}
while (dr.Read())
{
string name = dr.GetString(1);
switch (name)
{
case "Distributor1":
Assert.AreEqual(dr.GetInt32(0), dis1.DistributorId);
break;
case "Distributor2":
Assert.AreEqual(dr.GetInt32(0), dis2.DistributorId);
break;
default:
Assert.Fail();
break;
}
}
dr.Close();
}
}
}
