public void When()
{
_tagger = new StreamPositionTagger("stream1");
_positionTracker = new PositionTracker(_tagger);
// when
_positionTracker.UpdateByCheckpointTagInitial(_tagger.MakeZeroCheckpointTag());
}
public void zero_position_tag_is_before_first_event_possible()
{
var t = new StreamPositionTagger("stream1");
var zero = t.MakeZeroCheckpointTag();
var zeroFromEvent = t.MakeCheckpointTag(zero, _zeroEvent);
Assert.IsTrue(zeroFromEvent > zero);
}
public void produced_checkpoint_tags_are_correctly_ordered()
{
var t = new StreamPositionTagger("stream1");
var zero = t.MakeZeroCheckpointTag();
var zeroEvent = t.MakeCheckpointTag(zero, _zeroEvent);
var zeroEvent2 = t.MakeCheckpointTag(zeroEvent, _zeroEvent);
var first = t.MakeCheckpointTag(zeroEvent2, _firstEvent);
var second = t.MakeCheckpointTag(first, _secondEvent);
var second2 = t.MakeCheckpointTag(zero, _secondEvent);
Assert.IsTrue(zeroEvent > zero);
Assert.IsTrue(first > zero);
Assert.IsTrue(second > first);
Assert.AreEqual(zeroEvent2, zeroEvent);
Assert.AreEqual(second, second2);
}
public void it_can_be_updated_to_zero()
{
_positionTracker.UpdateByCheckpointTagInitial(_tagger.MakeZeroCheckpointTag());
}
