public async Task DistributedTransactionFromCompletionEventShouldBeTheOneToWhichTheEventIsAttachedAsync()
{
SysTran clone = null;
SysTran eventTransaction = null;
try
{
using (CreateDistributedTransactionScope())
{
_log.InfoFormat(
"Scope opened, id {0}, distributed id {1}",
SysTran.Current.TransactionInformation.LocalIdentifier,
SysTran.Current.TransactionInformation.DistributedIdentifier);
clone = SysTran.Current.Clone();
clone.TransactionCompleted += Clone_TransactionCompleted;
_log.Info("Scope not completed");
}
_log.Info("Scope disposed");
while (eventTransaction == null)
{
await(Task.Delay(10));
}
_log.Info("Event transaction received");
Assert.That(eventTransaction, Is.SameAs(clone));
}
finally
{
clone?.Dispose();
}
void Clone_TransactionCompleted(object sender, TransactionEventArgs e)
{
eventTransaction = e.Transaction;
}
}
public void DistributedTransactionStatusMustBeInactiveAfterRollbackedScope()
{
SysTran transaction = null;
try
{
using (CreateDistributedTransactionScope())
{
_log.InfoFormat(
"Scope opened, id {0}, distributed id {1}",
SysTran.Current.TransactionInformation.LocalIdentifier,
SysTran.Current.TransactionInformation.DistributedIdentifier);
// The trouble occurs only with cloned transaction. The original one is disposed before and so
// considered inactive by FailsafeGetTransactionStatus test.
transaction = SysTran.Current.Clone();
_log.Info("Scope not completed");
}
_log.Info("Scope disposed");
Assert.That(FailsafeGetTransactionStatus(transaction), Is.Not.EqualTo(TransactionStatus.Active));
}
finally
{
transaction?.Dispose();
}
}
public virtual void Dispose()
{
_connectionPool = null;
_performanceCounters = null;
_connectionIsDoomed = true;
_enlistedTransactionOriginal = null; // should not be disposed
// Dispose of the _enlistedTransaction since it is a clone
// of the original reference.
// VSDD 780271 - _enlistedTransaction can be changed by another thread (TX end event)
SysTx.Transaction enlistedTransaction = Interlocked.Exchange(ref _enlistedTransaction, null);
if (enlistedTransaction != null)
{
enlistedTransaction.Dispose();
}
}
public void TransactionStatusMustBeInactiveAfterRollbackedScope()
{
SysTran transaction = null;
try
{
using (new TransactionScope())
{
transaction = SysTran.Current.Clone();
_log.InfoFormat(
"Scope opened, id {0}, distributed id {1}",
SysTran.Current.TransactionInformation.LocalIdentifier,
SysTran.Current.TransactionInformation.DistributedIdentifier);
}
_log.Info("Scope disposed");
Assert.That(FailsafeGetTransactionStatus(transaction), Is.Not.EqualTo(TransactionStatus.Active));
}
finally
{
transaction?.Dispose();
}
}
public async Task DistributedTransactionStatusFromCompletionEventShouldNotBeActiveOnRollbackAsync()
{
SysTran clone = null;
SysTran eventTransaction = null;
TransactionStatus?cloneStatusAtCompletion = null;
try
{
using (CreateDistributedTransactionScope())
{
_log.InfoFormat(
"Scope opened, id {0}, distributed id {1}",
SysTran.Current.TransactionInformation.LocalIdentifier,
SysTran.Current.TransactionInformation.DistributedIdentifier);
clone = SysTran.Current.Clone();
clone.TransactionCompleted += Clone_TransactionCompleted;
_log.Info("Scope not completed");
}
_log.Info("Scope disposed");
while (eventTransaction == null)
{
await(Task.Delay(10));
}
_log.Info("Event transaction received");
Assert.That(cloneStatusAtCompletion, Is.Not.EqualTo(TransactionStatus.Active));
}
finally
{
clone?.Dispose();
}
void Clone_TransactionCompleted(object sender, TransactionEventArgs e)
{
cloneStatusAtCompletion = FailsafeGetTransactionStatus(clone);
eventTransaction = e.Transaction;
}
}