public void TestInitialPositionBOS(bool acknowledge)
{
var records = new ListEventSink();
var sourceId = "TestEvtInitialPositionTimeStamp";
var eventId = (int)(DateTime.Now.Ticks % ushort.MaxValue);
var msg = "A fresh message";
// Write some events before the source is created
for (int i = 0; i < 3; i++)
{
EventLog.WriteEntry(LogSource, msg, EventLogEntryType.Information, eventId);
}
var now = DateTime.UtcNow;
using (var source = CreateSource(sourceId, eventId))
{
source.Subscribe(records);
source.Id = sourceId;
source.InitialPosition = InitialPositionEnum.BOS;
source.Start();
for (int i = 0; i < 5; i++)
{
EventLog.WriteEntry(LogSource, msg, EventLogEntryType.Information, eventId);
}
Thread.Sleep(5000);
if (acknowledge)
{
// Send the acknowledgements as if they had come from sources.
var bookmark = Assert.IsType <BookmarkInfo>(BookmarkManager.GetBookmark(sourceId));
BookmarkManager.SaveBookmark(bookmark.Id, records.Last().Position, null);
}
source.Stop();
Thread.Sleep(1000);
Assert.True(records[0].Timestamp < now, $"First record should have been written before {now}, but was written at {records[0].Timestamp}");
var lastRecordTimestamp = records.Last().Timestamp;
Assert.True(lastRecordTimestamp > now, $"Last record should have been written after {now}, but was written at {records.Last().Timestamp}");
records.Clear();
//Write some new logs after the source stop
var newmsg = "A fresh message after source stop";
EventLog.WriteEntry(LogSource, newmsg, EventLogEntryType.Information, eventId);
Thread.Sleep(1000);
source.Start();
Thread.Sleep(3000);
IEnvelope lastRecord;
if (acknowledge)
{
lastRecord = Assert.Single(records);
}
else
{
Assert.Equal(9, records.Count);
lastRecord = records.Last();
}
Assert.True(lastRecord.Timestamp > lastRecordTimestamp);
Assert.Matches("after source stop", lastRecord.GetMessage("string"));
}
}
public void TestInitialPositionBookMark(bool acknowledge)
{
var records = new ListEventSink();
var sourceId = "TestEvtInitialPositionBookMark";
var eventId = (int)(DateTime.Now.Ticks % ushort.MaxValue);
var msg = "A fresh message";
// Write some events before the source is created
for (int i = 0; i < 3; i++)
{
EventLog.WriteEntry(LogSource, msg, EventLogEntryType.Information, eventId);
}
var now = DateTime.UtcNow;
using (var source = CreateSource(sourceId, eventId))
{
source.Subscribe(records);
source.Id = sourceId;
source.InitialPosition = InitialPositionEnum.Bookmark;
source.Start();
Thread.Sleep(2000);
// When using Bookmark as Initial position, and there is no bookmark, it should not process old events.
Assert.Empty(records);
EventLog.WriteEntry(LogSource, msg, EventLogEntryType.Information, eventId);
Thread.Sleep(1000);
if (acknowledge)
{
// Send the acknowledgements as if they had come from sources.
var bookmark = Assert.IsType <BookmarkInfo>(BookmarkManager.GetBookmark(sourceId));
BookmarkManager.SaveBookmark(bookmark.Id, records.Last().Position, null);
}
source.Stop();
Thread.Sleep(1000);
var lastRecordTimestamp = Assert.Single(records).Timestamp;
Assert.True(lastRecordTimestamp > now);
records.Clear();
//Write some new logs after the source stop
var newmsg = "A fresh message after source stop";
EventLog.WriteEntry(LogSource, newmsg, EventLogEntryType.Information, eventId);
Thread.Sleep(1000);
source.Start();
Thread.Sleep(1000);
// If it's a clean shutdown (i.e. config reload), the bookmark isn't removed from BookmarkManager,
// so the source should pick up where it left off according to the previous bookmark value.
if (acknowledge)
{
var lastRecord = Assert.Single(records);
Assert.True(lastRecord.Timestamp > lastRecordTimestamp);
Assert.Matches("after source stop", lastRecord.GetMessage("string"));
}
else
{
// When using Bookmark as Initial position, and there is no bookmark, it should not process old events.
// Since we didn't commit the bookmark in this theory, no records should be returned.
Assert.Empty(records);
}
}
}
