public void should_be_able_to_load_events_for_a_context_and_a_stream() { var storage = new InMemoryEventStorage(); var now = new DateTime(2013, 1, 1); var createEventsDetails = new Dictionary<Guid, CreateEventsMetaData>(); var j = 0; for (var i = 1; i <= 6; i++) { createEventsDetails.Add(Guid.NewGuid(), new CreateEventsMetaData(2, "foo", "stream" + i, new[] { now.AddMilliseconds(++j), now.AddMilliseconds(++j) })); } var commitDetails = new EventsInjector(storage).InsertEvents(createEventsDetails); var reader = new EventStorageReader(10, TimeSpan.FromMinutes(5), storage); for (var i = 1; i <= 6; i++) { var events = reader.LoadEventsForStream("foo", "stream" + i); Assert.That(events.Length, Is.EqualTo(2)); } }
public void should_be_able_to_fetch_a_particular_event() { var storage = new InMemoryEventStorage(); var now = new DateTime(2013, 1, 1); var createEventsDetails = new Dictionary<Guid, CreateEventsMetaData>(); var j = 0; for (var i = 1; i <= 1; i++) { createEventsDetails.Add(Guid.NewGuid(), new CreateEventsMetaData(1, "foo", "stream", new[] { now.AddMilliseconds(++j) })); } var commitDetails = new EventsInjector(storage).InsertEvents(createEventsDetails); var reader = new EventStorageReader(10, TimeSpan.FromMinutes(5), storage); var eventTask = reader.Fetch(new FetchEventRequest(commitDetails[0].Events[0].EventId, "foo", "stream")); reader.Start(_token.Token); var @event = eventTask.Result; var expecetdEvent = commitDetails[0].Events[0]; Assert.That(@event, !Is.Null, "No event is fetched"); Assert.That(@event.EventId, Is.EqualTo(expecetdEvent.EventId), "This is not the exepected event from the fetch opeartion"); Assert.That(@event.Sequence, Is.EqualTo(expecetdEvent.Sequence), "This is not the exepected sequence of the event from the fetch opeartion"); Assert.That(@event.Timestamp, Is.EqualTo(expecetdEvent.Timestamp), "This is not the exepected sequence of the event from the fetch opeartion"); Assert.That(@event.TypeKey, Is.EqualTo(expecetdEvent.TypeKey), "This is not the exepected type of the event from the fetch opeartion"); }
public void should_cascade_event_not_found_exception_for_invalid_event() { var storage = new InMemoryEventStorage(); var now = new DateTime(2013, 1, 1); var createEventsDetails = new Dictionary<Guid, CreateEventsMetaData>(); var j = 0; for (var i = 1; i <= 6; i++) { createEventsDetails.Add(Guid.NewGuid(), new CreateEventsMetaData(2, "foo", "stream" + i, new[] { now.AddMilliseconds(++j), now.AddMilliseconds(++j) })); } var commitDetails = new EventsInjector(storage).InsertEvents(createEventsDetails); var reader = new EventStorageReader(10, TimeSpan.FromMilliseconds(10), storage); var @event = reader.Fetch(new FetchEventRequest(commitDetails[0].Events[0].EventId, "foo", "stream")); reader.Start(_token.Token); try { var result = @event.Result; } catch (AggregateException ae) { throw ae.InnerException; } }
public void there_should_be_exactly_one_read_per_batch() { var storage = new InMemoryEventStorage(); var now = new DateTime(2013, 1, 1); var createEventsDetails = new Dictionary<Guid, CreateEventsMetaData>(); var j = 0; for (var i = 1; i <= 6; i++) { createEventsDetails.Add(Guid.NewGuid(), new CreateEventsMetaData(2, "foo", "stream" + i, new[] { now.AddMilliseconds(++j), now.AddMilliseconds(++j) })); } var commitDetails = new EventsInjector(storage).InsertEvents(createEventsDetails); var reader = new EventStorageReader(100, TimeSpan.FromSeconds(10), storage, 2); var listOfTasksOfEvents = new List<Task>(); for (int i = 0; i < 6; i++) { for (int k = 0; k < 2; k++) { var eventTask = reader.Fetch(new FetchEventRequest(commitDetails[i].Events[k].EventId, "foo", "stream" + (i + 1))); listOfTasksOfEvents.Add(eventTask); } } reader.Start(_token.Token); try { Task.WaitAll(listOfTasksOfEvents.ToArray()); Assert.That(storage.ReadCount, Is.EqualTo(6)); } catch (AggregateException ae) { throw ae.InnerException; } }
public void should_throw__reader_busy_exception_when_the_reader_max_count_is_reached() { var storage = new InMemoryEventStorage(); var now = new DateTime(2013, 1, 1); var createEventsDetails = new Dictionary<Guid, CreateEventsMetaData>(); var j = 0; for (var i = 1; i <= 6; i++) { createEventsDetails.Add(Guid.NewGuid(), new CreateEventsMetaData(2, "foo", "stream", new[] { now.AddMilliseconds(++j), now.AddMilliseconds(++j) })); } var commitDetails = new EventsInjector(storage).InsertEvents(createEventsDetails); var reader = new EventStorageReader(10, TimeSpan.FromMinutes(5), storage); var listOfTasksOfEvents = new List<Task>(); for (int i = 1; i < 12; i++) { var eventTask = reader.Fetch(new FetchEventRequest(commitDetails[0].Events[0].EventId, "foo", "stream")); listOfTasksOfEvents.Add(eventTask); } }
public void should_load_all_events_each_having_accurate_and_different_timeStamp() { var now = new DateTime(2013,1,1); var createEventsDetails = new Dictionary<Guid, CreateEventsMetaData>(); var j = 0; for (var i = 1; i <= 50; i++) { createEventsDetails.Add(Guid.NewGuid(), new CreateEventsMetaData(2, "foo", "stream"+i, new DateTime[2] { now.AddMilliseconds(++j), now.AddMilliseconds(++j) })); } var commitDetails = new EventsInjector(_storage).InsertEvents(createEventsDetails); var listOfEvents = new List<EventInStorage>(); for (int i = 1; i <= 50; i++) { listOfEvents.AddRange(_storage.LoadEvents("foo","stream"+i)); } Assert.That(listOfEvents.Count,Is.EqualTo(100)); var expectedListOfTimeStamp = new List<DateTime>(); foreach (var c in commitDetails) { expectedListOfTimeStamp.AddRange(c.Events.Select(x => x.Timestamp).OrderBy(y=>y)); } var listOfActualTimeStamp = listOfEvents.Select(eventInStorage => eventInStorage.Timestamp).OrderBy(y=>y).ToList(); Assert.That(listOfActualTimeStamp,Is.EqualTo(expectedListOfTimeStamp),"The expected list of timestamp for all events are not equal to the actual list of timestamp when order by datetime Ticks ascending."); }