public void UsesOptimisticLockingAndDetectsRaceConditionsWhenUpdatingFindingById()
{
var persister = CreatePersister(createTables: true);
var indexBySomeString = new[] { "Id" };
var id = Guid.NewGuid();
var simpleSagaData = new SimpleSagaData {
Id = id, SomeString = "hello world!"
};
persister.Insert(simpleSagaData, indexBySomeString);
var sagaData1 = persister.Find <SimpleSagaData>("Id", id);
sagaData1.SomeString = "I changed this on one worker";
using (EnterAFakeMessageContext())
{
var sagaData2 = persister.Find <SimpleSagaData>("Id", id);
sagaData2.SomeString = "I changed this on another worker";
persister.Update(sagaData2, indexBySomeString);
}
Assert.Throws <OptimisticLockingException>(() => persister.Insert(sagaData1, indexBySomeString));
}