public async Task should_not_pause_the_fetcher_if_under_the_threshold()
{
var thePage = new EventPage(0, 100, EventMother.Random(100));
await theProjectionTrack.CachePage(thePage).ConfigureAwait(false);
await theFetcher.DidNotReceive().Pause().ConfigureAwait(false);
}
public async Task stores_the_first_page()
{
var thePage = new EventPage(0, 100, EventMother.Random(100));
await theProjectionTrack.CachePage(thePage).ConfigureAwait(false);
theProjectionTrack.Accumulator.AllPages().Single()
.ShouldBe(thePage);
}
public async Task should_restart_the_fetcher_if_it_was_paused_and_below_the_threshold()
{
theFetcher.State.Returns(FetcherState.Paused);
var thePage = new EventPage(0, 100, EventMother.Random(100));
await theProjectionTrack.CachePage(thePage).ConfigureAwait(false);
await theProjectionTrack.StoreProgress(typeof(ActiveProject), thePage).ConfigureAwait(false);
theFetcher.Received().Start(theProjectionTrack, theProjectionTrack.Lifecycle);
}
public async Task pauses_the_fetcher_if_the_queue_number_is_greater_than_the_options_threshold()
{
// The default for MaximumStagedEventCount is 1000
await theProjectionTrack.CachePage(new EventPage(0, 100, EventMother.Random(100))).ConfigureAwait(false);
await theProjectionTrack.CachePage(new EventPage(101, 200, EventMother.Random(100))).ConfigureAwait(false);
await theProjectionTrack.CachePage(new EventPage(201, 1100, EventMother.Random(1001100 - 201))).ConfigureAwait(false);
await theFetcher.Received().Pause().ConfigureAwait(false);
}
public async Task store_progress_removes_obsolete_page()
{
var thePage = new EventPage(0, 100, EventMother.Random(100));
var thePage2 = new EventPage(101, 200, EventMother.Random(100));
await theProjectionTrack.CachePage(thePage).ConfigureAwait(false);
await theProjectionTrack.CachePage(thePage2).ConfigureAwait(false);
await theProjectionTrack.StoreProgress(typeof(ActiveProject), thePage).ConfigureAwait(false);
theProjectionTrack.Accumulator.AllPages().Single()
.ShouldBe(thePage2);
}
private EventPage toPage(long from, long to, int eventCount)
{
return(new EventPage(from, to, EventMother.Random(eventCount)));
}
public async Task should_queue_the_page_on_each_projection_on_the_first_one()
{
var thePage = new EventPage(0, 100, EventMother.Random(100));
await theProjectionTrack.CachePage(thePage).ConfigureAwait(false);
}