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promql: Fix histogram comparison in test framework

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The definition of histograms in the test framework may create
histograms in a non-compact form. Since histogram comparison relies on
exact equality of the bucket layout, we have to compact the histograms
created by the test framework language before comparing them to
histograms returned from the PromQL engine.

Signed-off-by: beorn7 <beorn@grafana.com>
This commit is contained in:
beorn7 2024-03-27 19:00:16 +01:00
parent b9a2a4e329
commit 2c1f9558b2
1 changed files with 2 additions and 2 deletions
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4
promql/test.go
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@ -563,7 +563,7 @@ func (ev *evalCmd) compareResult(result parser.Value) error {
return fmt.Errorf("expected histogram value at index %v for %s to have timestamp %v, but it had timestamp %v (result has %s)", i, ev.metrics[hash], expected.T, actual.T, formatSeriesResult(s))
}
if !actual.H.Equals(expected.H) {
if !actual.H.Equals(expected.H.Compact(0)) {
return fmt.Errorf("expected histogram value at index %v (t=%v) for %s to be %v, but got %v (result has %s)", i, actual.T, ev.metrics[hash], expected.H, actual.H, formatSeriesResult(s))
}
}
@ -595,7 +595,7 @@ func (ev *evalCmd) compareResult(result parser.Value) error {
if expH != nil && v.H == nil {
return fmt.Errorf("expected histogram %s for %s but got float value %v", HistogramTestExpression(expH), v.Metric, v.F)
}
if expH != nil && !expH.Equals(v.H) {
if expH != nil && !expH.Compact(0).Equals(v.H) {
return fmt.Errorf("expected %v for %s but got %s", HistogramTestExpression(expH), v.Metric, HistogramTestExpression(v.H))
}
if !almostEqual(exp0.Value, v.F, defaultEpsilon) {