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59 commits

Author SHA1 Message Date
beorn7 c7fdfe8004 promql: Add tests for histogram counter reset only in bucket
This also exercises the "fast path" (only decoding count and sum),
i.e. where the counter reset isn't visible at all in the decoded data.

Signed-off-by: beorn7 <beorn@grafana.com>
2024-06-06 17:47:38 +02:00
Jeanette Tan f028496133 Merge branch 'main' into nhcb
Signed-off-by: Jeanette Tan <jeanette.tan@grafana.com>
2024-05-14 16:20:15 +08:00
Neeraj Gartia 661856cb65 removes the added tests from engine_test.go
Signed-off-by: Neeraj Gartia <neerajgartia211002@gmail.com>
2024-05-13 22:58:25 +05:30
Neeraj Gartia 6119124d0e some nits
Signed-off-by: Neeraj Gartia <neerajgartia211002@gmail.com>
2024-05-13 22:55:38 +05:30
Neeraj Gartia adf5a36c1e adds test for sum, count, stddev, stdvar, quantile and fraction func to promql testing framework
Signed-off-by: Neeraj Gartia <neerajgartia211002@gmail.com>
2024-05-13 22:55:38 +05:30
Neeraj Gartia 8b838a05d9 adds test for native histogram rate func in promql testing framework
Signed-off-by: Neeraj Gartia <neerajgartia211002@gmail.com>
2024-05-13 22:55:38 +05:30
Neeraj Gartia 548bd9d6fb adds TestNativeHistogramRate func to promql test framework
Signed-off-by: Neeraj Gartia <neerajgartia211002@gmail.com>
2024-05-13 22:55:38 +05:30
Bryan Boreham ea82b49c33 [ENHANCEMENT] PromQL: use Kahan summation for sum()
This can give a more precise result, by keeping a separate running
compensation value to accumulate small errors.

See https://en.wikipedia.org/wiki/Kahan_summation_algorithm

Signed-off-by: Bryan Boreham <bjboreham@gmail.com>
2024-05-09 14:29:38 +01:00
Bryan Boreham 11b27d5d22 test: move test files into new promqltest package
So that promql package does not bring in test-only dependencies.

Signed-off-by: Bryan Boreham <bjboreham@gmail.com>
2024-05-08 13:42:55 +01:00