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Fix limit logic for EventsStream (#7358)

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* Factor out functions for injecting events into database

I want to add some more flexibility to the tools for injecting events into the
database, and I don't want to clutter up HomeserverTestCase with them, so let's
factor them out to a new file.

* Rework TestReplicationDataHandler

This wasn't very easy to work with: the mock wrapping was largely superfluous,
and it's useful to be able to inspect the received rows, and clear out the
received list.

* Fix AssertionErrors being thrown by EventsStream

Part of the problem was that there was an off-by-one error in the assertion,
but also the limit logic was too simple. Fix it all up and add some tests.
This commit is contained in:
Richard van der Hoff 2020-04-29 12:30:36 +01:00 • committed by GitHub
parent eeef9633af
commit c2e1a2110f
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14 changed files with 658 additions and 67 deletions
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synapse/replication/tcp/handler.py
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@ -87,7 +87,9 @@ class ReplicationCommandHandler:
stream.NAME: stream(hs) for stream in STREAMS_MAP.values()
} # type: Dict[str, Stream]
self._position_linearizer = Linearizer("replication_position")
self._position_linearizer = Linearizer(
"replication_position", clock=self._clock
)
# Map of stream to batched updates. See RdataCommand for info on how
# batching works.