public void CreatedTransactionShouldBeActive()
{
using (var storage = new TransactionalStorage(new FileSystemPageManager(4096)))
{
storage.CreateNew(StoragePath);
var number = storage.CreateTransaction(out _);
Assert.AreEqual(TransactionState.Active, storage.GetState(number));
}
}
public void ManyTransactions()
{
int count = 1000;
var dictionary = new Dictionary <int, TransactionState>();
using (var storage = new TransactionalStorage(new FileSystemPageManager(4096)))
{
storage.CreateNew(StoragePath);
for (int i = 0; i < count; i++)
{
ISnapshotData snapshotData;
dictionary.Add(storage.CreateTransaction(out snapshotData), TransactionState.Active);
}
// check that all are active
foreach (var number in dictionary.Keys)
{
Assert.AreEqual(TransactionState.Active, storage.GetState(number));
}
var r = new Random();
var state = TransactionState.Active;
var newDictionary = new Dictionary <int, TransactionState>();
foreach (var number in dictionary.Keys)
{
switch (r.Next(0, 2))
{
case 0: state = TransactionState.Commited;
break;
case 1: state = TransactionState.RolledBack;
break;
case 2: state = TransactionState.Prepared;
break;
}
newDictionary[number] = state;
storage.Mark(number, state);
}
foreach (var number in newDictionary.Keys)
{
Assert.AreEqual(newDictionary[number], storage.GetState(number));
}
}
}
public void SuccessfulySetState()
{
using (var storage = new TransactionalStorage(new FileSystemPageManager(4096)))
{
storage.CreateNew(StoragePath);
var number = storage.CreateTransaction(out _);
storage.Mark(number, TransactionState.Commited);
Assert.AreEqual(TransactionState.Commited, storage.GetState(number));
storage.Mark(number, TransactionState.RolledBack);
Assert.AreEqual(TransactionState.RolledBack, storage.GetState(number));
storage.Mark(number, TransactionState.Prepared);
Assert.AreEqual(TransactionState.Prepared, storage.GetState(number));
}
}