public SagaJsonMapper(string connectionString, string sagaTypeName)
{
cloudTable = SagaIndexer.GetTable(connectionString, sagaTypeName);
}
public void When_duplicates_found_Should_raise_an_event_for_every_duplicate_set_found(int testSize)
{
const int NumberOfCollisionsForEach = 2;
var modulo = testSize / NumberOfCollisionsForEach;
var toCreate = Enumerable.Range(0, testSize).Select(i => Tuple.Create(i, Guid.NewGuid())).ToArray();
const int concurrency = 100;
var semaphore = new SemaphoreSlim(concurrency);
foreach (var t in toCreate)
{
semaphore.Wait();
cloudTable.ExecuteAsync(TableOperation.Insert(CreateSagaState(t, modulo)))
.ContinueWith(task =>
{
if (task.Exception != null)
{
Console.WriteLine($"Exception occured {task.Exception}");
}
semaphore.Release();
});
}
for (var i = 0; i < concurrency; i++)
{
semaphore.Wait();
}
var comparer = EqualityComparers.GetValueComparer(EdmType.Int64);
var indexer = new SagaIndexer(cloudTable, "CorrelatingId", o => (ulong)(long)o, comparer);
var results = new List<Tuple<Guid, Guid[]>>();
indexer.SearchForDuplicates((o, guids) => results.Add(Tuple.Create(o, guids.ToArray())));
var dict = results
.GroupBy(t => t.Item1, t => t.Item2, comparer)
.ToDictionary(g => g.Key, g => g.SelectMany(ids => ids).Distinct().ToArray(), comparer);
Assert.AreEqual(modulo, dict.Count);
foreach (var kvp in dict)
{
Assert.AreEqual(2, kvp.Value.Length);
}
}
