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Tests | Account for MAX_DISPATCH_LATENCY in XEvents tests - #3456
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XEvents are asynchronous, and are written to the target within MAX_DISPATCH_LATENCY seconds. We therefore need to wait that long before querying the target.
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## main #3456 +/- ##
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- Coverage 63.30% 59.62% -3.69%
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Files 280 274 -6
Lines 62386 62076 -310
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- Hits 39493 37012 -2481
- Misses 22893 25064 +2171
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Pull Request Overview
This PR updates XEvents tests to account for the asynchronous dispatch latency by waiting before querying the event target.
- Extracts the dispatch latency into a constant and updates XEvent session settings.
- Inserts a sleep in the test utility to wait for events to be dispatched.
- Refactors
XEventsTracingTestto open the connection early, captureClientConnectionId, and filter XEvents by that ID.
Reviewed Changes
Copilot reviewed 2 out of 2 changed files in this pull request and generated 2 comments.
| File | Description |
|---|---|
| src/Microsoft.Data.SqlClient/tests/ManualTests/TracingTests/XEventsTracingTest.cs | Refactored test setup: open connection first, capture ID, apply filter. |
| src/Microsoft.Data.SqlClient/tests/ManualTests/DataCommon/DataTestUtility.cs | Added MaxXEventsLatencyS constant, replaced hard-coded settings, inserted Thread.Sleep. |
Comments suppressed due to low confidence (1)
src/Microsoft.Data.SqlClient/tests/ManualTests/DataCommon/DataTestUtility.cs:1095
- [nitpick] The suffix 'S' in
MaxXEventsLatencySis ambiguous. Consider renaming toMaxXEventsLatencySecondsfor clarity.
private const int MaxXEventsLatencyS = 5;
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* Account for MAX_DISPATCH_LATENCY in XEvents tests XEvents are asynchronous, and are written to the target within MAX_DISPATCH_LATENCY seconds. We therefore need to wait that long before querying the target. * Filter XEvent session by client_connection_id
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Description
XEvents are asynchronous, and are written to the target within MAX_DISPATCH_LATENCY seconds. We therefore need to wait that long before querying the target.
Issues
Fixes #3453.
Testing
I've run the corresponding test locally ten times while the SQL Server instance is under load, and this seems to work properly.
Could we run the pipeline a few times to prove the reliability please?