public void TransactionFailedOnRollbackEvent()
{
bool transactionCommittedEventTriggered = false;
bool transactionRolledBackEventTriggered = false;
bool transactionFailedEventTriggered = false;
tm.TransactionCompleted += delegate { transactionCommittedEventTriggered = true; };
tm.TransactionRolledBack += delegate { transactionRolledBackEventTriggered = true; };
tm.TransactionFailed += delegate { transactionFailedEventTriggered = true; };
ITransaction transaction = tm.CreateTransaction(
TransactionMode.Requires, IsolationMode.Unspecified);
ResourceImpl resource = new ThrowsExceptionResourceImpl(false, true);
transaction.Enlist(resource);
Assert.IsFalse(transactionCommittedEventTriggered);
Assert.IsFalse(transactionRolledBackEventTriggered);
Assert.IsFalse(transactionFailedEventTriggered);
transaction.Begin();
Assert.IsFalse(transactionCommittedEventTriggered);
Assert.IsFalse(transactionRolledBackEventTriggered);
Assert.IsFalse(transactionFailedEventTriggered);
TransactionException exception = null;
try
{
transaction.Rollback();
}
catch (TransactionException transactionError)
{
exception = transactionError;
}
Assert.IsFalse(transactionCommittedEventTriggered);
Assert.IsFalse(transactionRolledBackEventTriggered);
Assert.IsTrue(transactionFailedEventTriggered);
Assert.IsNotNull(exception);
Assert.IsInstanceOf(typeof(RollbackResourceException), exception);
}
public void WhenOneResourceFails_OtherResourcesAreNotCommitted()
{
var first = new ResourceImpl();
var rfail = new ThrowsExceptionResourceImpl(true, false);
var rsucc = new ResourceImpl();
var t = tm.CreateTransaction(TransactionMode.Requires, IsolationMode.Unspecified);
t.Enlist(first);
t.Enlist(rfail);
t.Enlist(rsucc);
t.Begin();
Assert.That(rfail.Started);
Assert.That(rsucc.Started);
Assert.Throws(typeof(CommitResourceException), t.Commit);
Assert.That(first.Committed);
Assert.That(rfail.Committed, Is.False);
Assert.That(rsucc.Committed, Is.False);
}
public void WhenOneResourceFails_OtherResourcesAreNotCommitted()
{
var first = new ResourceImpl();
var rfail = new ThrowsExceptionResourceImpl(true, false);
var rsucc = new ResourceImpl();
var t = tm.CreateTransaction(TransactionMode.Requires, IsolationMode.Unspecified);
t.Enlist(first);
t.Enlist(rfail);
t.Enlist(rsucc);
t.Begin();
Assert.That(rfail.Started);
Assert.That(rsucc.Started);
Assert.Throws(typeof(CommitResourceException), t.Commit);
Assert.That(first.Committed);
Assert.That(rfail.Committed, Is.False);
Assert.That(rsucc.Committed, Is.False);
}
public void TransactionFailedOnRollbackEvent()
{
bool transactionCommittedEventTriggered = false;
bool transactionRolledBackEventTriggered = false;
bool transactionFailedEventTriggered = false;
tm.TransactionCompleted += delegate { transactionCommittedEventTriggered = true; };
tm.TransactionRolledBack += delegate { transactionRolledBackEventTriggered = true; };
tm.TransactionFailed += delegate { transactionFailedEventTriggered = true; };
ITransaction transaction = tm.CreateTransaction(
TransactionMode.Requires, IsolationMode.Unspecified);
ResourceImpl resource = new ThrowsExceptionResourceImpl(false, true);
transaction.Enlist(resource);
Assert.IsFalse(transactionCommittedEventTriggered);
Assert.IsFalse(transactionRolledBackEventTriggered);
Assert.IsFalse(transactionFailedEventTriggered);
transaction.Begin();
Assert.IsFalse(transactionCommittedEventTriggered);
Assert.IsFalse(transactionRolledBackEventTriggered);
Assert.IsFalse(transactionFailedEventTriggered);
TransactionException exception = null;
try
{
transaction.Rollback();
}
catch (TransactionException transactionError)
{
exception = transactionError;
}
Assert.IsFalse(transactionCommittedEventTriggered);
Assert.IsFalse(transactionRolledBackEventTriggered);
Assert.IsTrue(transactionFailedEventTriggered);
Assert.IsNotNull(exception);
Assert.IsInstanceOf(typeof(RollbackResourceException), exception);
}
