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.");
}