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 messages_for_one_batch_should_have_one_write()
{
var storage = new InMemoryEventStorage();
var writer = new EventStorageWriter(10, TimeSpan.FromMinutes(1), storage);
var task1 = writer.Store(new CommitForStorage("foo", "stream1",
new EventForStorage(Guid.NewGuid(), 1, DateTime.Now, "type", null, "body")));
var task2 = writer.Store(new CommitForStorage("foo", "stream2",
new EventForStorage(Guid.NewGuid(), 1, DateTime.Now, "type", null, "body")));
writer.Start(_token.Token);
Task.WhenAll(task1, task2).Wait(1000);
Assert.AreEqual(1, storage.WriteCount);
}
public void should_be_able_to_write_max_commits_in_one_batch()
{
var storage = new InMemoryEventStorage();
var writer = new EventStorageWriter(3000, TimeSpan.FromMinutes(5), storage,3000);
var listOfTasks = new List<Task>();
for(var i=0;i<3000;i++)
{
listOfTasks.Add(writer.Store(new CommitForStorage("foo", "stream1",
new EventForStorage(Guid.NewGuid(), i+1, DateTime.Now, "type", null, "body"))));
}
writer.Start(_token.Token);
Task.WhenAll(listOfTasks).Wait();
Assert.That(storage.WriteCount,Is.EqualTo(1),"The commits are written in multiple batches.");
}
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_drop_commits_older_than_timeout()
{
var storage = new InMemoryEventStorage();
var writer = new EventStorageWriter(10, TimeSpan.FromMilliseconds(1), storage, 2);
var task1 = writer.Store(new CommitForStorage("foo", "stream1",
new EventForStorage(Guid.NewGuid(), 1, DateTime.Now, "type", null, "body")));
var task2 = writer.Store(new CommitForStorage("foo", "stream2",
new EventForStorage(Guid.NewGuid(), 1, DateTime.Now, "type", null, "body")));
Task.Delay(1).Wait();
writer.Start(_token.Token);
try
{
Task.WhenAll(task1, task2).Wait(1000);
}
catch (AggregateException e)
{
throw e.Flatten().InnerException;
}
}
public void should_store_messages()
{
var storage = new InMemoryEventStorage();
var writer = new EventStorageWriter(10, TimeSpan.FromMinutes(1), storage);
writer.Start(_token.Token);
var task1 = writer.Store(new CommitForStorage("foo", "stream1",
new EventForStorage(Guid.NewGuid(), 1, DateTime.Now, "type", null, "body")));
var task2 = writer.Store(new CommitForStorage("foo", "stream2",
new EventForStorage(Guid.NewGuid(), 1, DateTime.Now, "type", null, "body")));
Task.WhenAll(task1, task2).Wait(1000);
var stream1Events = storage.LoadEvents("foo", "stream1");
var stream2Events = storage.LoadEvents("foo", "stream2");
Assert.AreEqual(1, stream1Events.Length, "stream1 should have one event.");
Assert.AreEqual(1, stream2Events.Length, "stream2 should have one event.");
}
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_nothing_when_there_is_no_event()
{
var storage = new InMemoryEventStorage();
var reader = new EventStorageReader(2000, TimeSpan.FromMinutes(5), storage);
var events = reader.LoadEventsForStream("foo", "stream");
Assert.That(events.Length, Is.EqualTo(0), "events list should be empty as there is no events to laod!");
}
protected override EventStorage GetEventStorage()
{
_eventStorage = new InMemoryEventStorage();
return _eventStorage;
}
