public void Optimistic_concurrency_is_supported()
{
NewConnection(con =>
{
var eventStore = new GetEventStore(con);
var streamName = CreateDisposableStreamName();
// version number will be 2 (3 events, 0 based)
eventStore.AppendEventsToStream(streamName, testEvents, null);
var newEvnt = new TestEvent(Guid.NewGuid())
{
Handle = "New",
Name = "Newnew"
};
try
{
var expectedVersion = 1; // we know the version is already 2
eventStore.AppendEventsToStream(streamName, new List <TestEvent> {
newEvnt
}, expectedVersion);
}
catch (AggregateException e)
{
var extype = e.InnerExceptions.First().GetType();
Assert.AreEqual(typeof(WrongExpectedVersionException), extype);
return;
}
Assert.Fail("Optimistic concurrency violation was not detected");
});
}
public void A_subset_of_events_can_be_retrieved_by_querying_on_version_numbers()
{
NewConnection(con =>
{
var eventStore = new GetEventStore(con);
var streamName = CreateDisposableStreamName();
eventStore.AppendEventsToStream(streamName, testEvents, null);
var fromEs = eventStore.GetStream(streamName, 1, 1);
Assert.AreEqual(1, fromEs.Count());
Assert.AreEqual("Trevor", ((TestEvent)fromEs.Single()).Handle);
});
}
public void Events_are_persisted_and_can_be_retrieved()
{
NewConnection(con =>
{
var eventStore = new GetEventStore(con);
var streamName = CreateDisposableStreamName();
eventStore.AppendEventsToStream(streamName, testEvents, null);
var fromEs = eventStore.GetStream(streamName, 0, Int32.MaxValue - 1);
Assert.AreEqual(fromEs.Count(), testEvents.Count());
foreach (var e in testEvents)
{
Assert.IsTrue(fromEs.Contains(e));
}
});
}
