public void get_and_update_single_context()
{
UserTestData.PrepareUser(userId);
string lastUsername = "";
perfMeter.MeasurePerf(() =>
{
var newUsername = $"new-username-{Guid.NewGuid().ToString("n")}";
using (var db = new MyContext())
{
var user = db.Users.Find(userId);
if (user.UserName != newUsername)
{
user.UserName = newUsername;
}
db.SaveChanges();
}
lastUsername = newUsername;
});
using (var db = new MyContext())
{
var user1 = db.Users.Find(userId);
Assert.AreEqual(lastUsername, user1.UserName);
}
}
public void rollback_transaction_in_multiple_same_contexts_perf()
{
PrepareUser(userId);
var initialCount = GetUserOrdersCount(userId);
perfMeter.MeasurePerf(() =>
{
using (var tran = new TransactionScope())
{
using (var db = new MyContext())
{
IncreateUserOrdersCount(db);
}
using (var db = new MyContext())
{
AddOrder(db);
}
}
});
}