public ActionResult Add(Driver driver)
{
//F1Context db = new F1Context();
int id = rnd.Next(1, 10000);
driver.ID = 2000 + id;
db.Drivers.Add(driver);
db.SaveChanges();
return(Redirect("/Admin/AdminCatalog"));
}
/// <summary>
/// Runs the two actions inside a transaction scope but with two different contexts and calling
/// SaveChanges such that storeChange will succeed and the store will reflect this change, and
/// then clientChange will result in a concurrency exception.
/// After the exception is caught the resolver action is called, after which SaveChanges is called
/// again. Finally, a new context is created and the validator is called so that the state of
/// the database at the end of the process can be validated.
/// </summary>
private void ConcurrencyTest(
Action <F1Context> storeChange, Action <F1Context> clientChange,
Action <F1Context, DbUpdateException> resolver, Action <F1Context> validator)
{
ExtendedSqlAzureExecutionStrategy.ExecuteNew(
() =>
{
using (new TransactionScope())
{
using (var context = new F1Context())
{
clientChange(context);
using (var innerContext = new F1Context())
{
storeChange(innerContext);
innerContext.SaveChanges();
}
try
{
context.SaveChanges();
Assert.True(false);
}
catch (DbUpdateException ex)
{
Assert.IsAssignableFrom <UpdateException>(ex.InnerException);
resolver(context, ex);
if (validator != null)
{
context.SaveChanges();
using (var validationContext = new F1Context())
{
validator(validationContext);
}
}
}
}
}
});
}
public static void Seed(F1Context context)
{
AddEntities(context);
context.SaveChanges();
}