public RecentEventsFeed Build()
{
RecentEventsFeed recentEventsFeed = new FeedBuilder(links).CreateRecentEventsFeed(feedMapping, prevArchiveLinkGenerator);
for (int i = 0; i < numberOfEntries; i++)
{
recentEventsFeed.AddEvent(new EventBuilder().Build());
}
return recentEventsFeed;
}
public ITask Execute(IFileSystem fileSystem, IEventBuffer buffer, FeedBuilder feedBuilder, Action<FeedMappingsChangedEventArgs> notifyMappingsChanged)
{
IEnumerable<Event> events = buffer.Take(QueryingEvents.BatchSize);
Log.DebugFormat("Requerying events. Number of events found: [{0}].", events.Count());
if (events.Count().Equals(0))
{
return new SavingRecentEventsFeed(recentEventsFeed);
}
return new UpdatingRecentEventsFeed(recentEventsFeed, events);
}
public FeedWriter(ITimer timer, EventBuffer buffer, IFileSystem fileSystem, FeedBuilder feedBuilder)
{
Check.IsNotNull(timer, "timer");
Check.IsNotNull(buffer, "buffer");
Check.IsNotNull(fileSystem, "fileSystem");
Check.IsNotNull(feedBuilder, "feedBuilder");
this.timer = timer;
this.fileSystem = fileSystem;
this.buffer = buffer;
this.feedBuilder = feedBuilder;
this.timer.TimerFired += TimerFiredHandler;
reaper = new Reaper(fileSystem);
FeedMappingsChanged += reaper.OnFeedMappingsChanged;
}
public void IfFeedFillsExactlyToQuotaShouldNotBeArchived()
{
FileName tempFileName = null;
FeedBuilder feedBuilder = new FeedBuilder(SampleLinks.Instance);
InMemoryFileSystem fileSystem = new InMemoryFileSystem();
EventBuffer buffer = new EventBuffer();
Repeat.Times(3).Action(() => buffer.Add(new EventBuilder().Build()));
FakeTimer timer = new FakeTimer();
FeedWriter feedWriter = new FeedWriter(timer, buffer, fileSystem, new FeedBuilder(SampleLinks.Instance));
feedWriter.FeedMappingsChanged += ((o, args) => tempFileName = new FileName(args.RecentEventsFeedStoreId));
timer.Fire();
Assert.AreEqual(1, fileSystem.FileCount(fileSystem.CurrentDirectory));
Assert.AreEqual(0, fileSystem.FileCount(fileSystem.ArchiveDirectory));
RecentEventsFeed rehydratedFeed = feedBuilder.LoadRecentEventsFeed(fileSystem, tempFileName);
Assert.AreEqual(3, rehydratedFeed.GetSyndicationFeed().Items.Count());
}
public void WhenTriggeredShouldAddBatchOfEventsToCurrentFeed()
{
FileName tempFileName = null;
InMemoryFileSystem fileSystem = new InMemoryFileSystem();
EventBuffer buffer = new EventBuffer();
EventBuilder eventBuilder = new EventBuilder();
Repeat.Times(2).Action(() => buffer.Add(eventBuilder.Build()));
FakeTimer timer = new FakeTimer();
FeedWriter feedWriter = new FeedWriter(timer, buffer, fileSystem, new FeedBuilder(SampleLinks.Instance));
feedWriter.FeedMappingsChanged += ((o, args) => tempFileName = new FileName(args.RecentEventsFeedStoreId));
timer.Fire();
Assert.AreEqual(1, fileSystem.FileCount(fileSystem.CurrentDirectory));
RecentEventsFeed rehydratedFeed = new FeedBuilder(SampleLinks.Instance).LoadRecentEventsFeed(fileSystem, tempFileName);
Assert.AreEqual(2, rehydratedFeed.GetNumberOfEntries());
}
public void WhenTriggeredRepeatedlyShouldContinueToAddEventsToExistingFeed()
{
FileName tempFileName = null;
FeedBuilder feedBuilder = new FeedBuilder(SampleLinks.Instance);
InMemoryFileSystem fileSystem = new InMemoryFileSystem();
EventBuffer buffer = new EventBuffer();
buffer.Add(new EventBuilder().Build());
FakeTimer timer = new FakeTimer();
FeedWriter feedWriter = new FeedWriter(timer, buffer, fileSystem, new FeedBuilder(SampleLinks.Instance));
feedWriter.FeedMappingsChanged += ((o, args) => tempFileName = new FileName(args.RecentEventsFeedStoreId));
timer.Fire();
RecentEventsFeed rehydratedFeed = feedBuilder.LoadRecentEventsFeed(fileSystem, tempFileName);
Assert.AreEqual(1, rehydratedFeed.GetSyndicationFeed().Items.Count());
Assert.AreEqual("?page=1", rehydratedFeed.GetSyndicationFeed().GetViaLink().Uri.Query);
buffer.Add(new EventBuilder().Build());
timer.Fire();
RecentEventsFeed secondRehydratedFeed = feedBuilder.LoadRecentEventsFeed(fileSystem, tempFileName);
Assert.AreEqual(2, secondRehydratedFeed.GetSyndicationFeed().Items.Count());
Assert.AreEqual("?page=1", secondRehydratedFeed.GetSyndicationFeed().GetViaLink().Uri.Query);
}
public void WhenNumberOfEventsExceedsQuotaShouldArchiveFeedAndBeginAnotherOne()
{
FileName tempFileName = null;
FeedBuilder feedBuilder = new FeedBuilder(SampleLinks.Instance);
InMemoryFileSystem fileSystem = new InMemoryFileSystem();
EventBuffer buffer = new EventBuffer();
EventBuilder eventBuilder = new EventBuilder();
Repeat.Times(RecentEventsFeed.Quota + 1).Action(() => buffer.Add(eventBuilder.Build()));
FakeTimer timer = new FakeTimer();
FeedWriter feedWriter = new FeedWriter(timer, buffer, fileSystem, new FeedBuilder(SampleLinks.Instance));
feedWriter.FeedMappingsChanged += ((o, args) => tempFileName = new FileName(args.RecentEventsFeedStoreId));
timer.Fire();
Assert.AreEqual(1, fileSystem.FileCount(fileSystem.CurrentDirectory));
Assert.AreEqual(1, fileSystem.FileCount(fileSystem.ArchiveDirectory));
ArchiveFeed archivedFeed = LoadArchiveFeed(fileSystem, new FileName("1"));
Assert.AreEqual(10, archivedFeed.GetNumberOfEntries());
Assert.AreEqual("?page=1", archivedFeed.GetSyndicationFeed().GetSelfLink().Uri.Query);
Assert.AreEqual("?page=2", archivedFeed.GetSyndicationFeed().GetNextArchiveLink().Uri.Query);
RecentEventsFeed recentEventsFeed = feedBuilder.LoadRecentEventsFeed(fileSystem, tempFileName);
Assert.AreEqual(1, recentEventsFeed.GetSyndicationFeed().Items.Count());
Assert.AreEqual("?page=2", recentEventsFeed.GetSyndicationFeed().GetViaLink().Uri.Query);
}
public ITask Execute(IFileSystem fileSystem, IEventBuffer buffer, FeedBuilder feedBuilder, Action<FeedMappingsChangedEventArgs> notifyMappingsChanged)
{
RecentEventsFeed feed = feedBuilder.CreateRecentEventsFeed(new FeedMapping(Id.InitialValue), PrevArchiveLinkGenerator.Null);
return new UpdatingRecentEventsFeed(feed, events);
}
public RecentEventsFeed(SyndicationFeed feed, FeedMapping mapping, FeedBuilder builder)
{
this.feed = feed;
this.mapping = mapping;
this.builder = builder;
}
public ITask Execute(IFileSystem fileSystem, IEventBuffer buffer, FeedBuilder feedBuilder, Action<FeedMappingsChangedEventArgs> notifyMappingsChanged)
{
notifyMappingsChanged.Invoke(recentEventsFeed.CreateFeedMappingsChangedEventArgs());
return new Terminate();
}
public ITask Execute(IFileSystem fileSystem, IEventBuffer buffer, FeedBuilder feedBuilder, Action<FeedMappingsChangedEventArgs> notifyMappingsChanged)
{
throw new InvalidOperationException();
}
