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Additional test case for ValidateHistogram

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Signed-off-by: Linas Medziunas <linas.medziunas@gmail.com>
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Linas Medziunas 2023-09-27 09:34:43 +03:00
parent 5d233df7ef
commit 1aad4004c3
1 changed files with 10 additions and 0 deletions
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10
tsdb/head_test.go
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@ -4836,6 +4836,16 @@ func TestHistogramValidation(t *testing.T) {
"valid histogram": { "valid histogram": {
h: tsdbutil.GenerateTestHistograms(1)[0], h: tsdbutil.GenerateTestHistograms(1)[0],
}, },
"valid histogram that has its Count (4) higher than the actual total of buckets (2 + 1)": {
// This case is possible if NaN values (which do not fall into any bucket) are observed.
h: &histogram.Histogram{
ZeroCount: 2,
Count: 4,
Sum: math.NaN(),
PositiveSpans: []histogram.Span{{Offset: 0, Length: 1}},
PositiveBuckets: []int64{1},
},
},
"rejects histogram that has too few negative buckets": { "rejects histogram that has too few negative buckets": {
h: &histogram.Histogram{ h: &histogram.Histogram{
NegativeSpans: []histogram.Span{{Offset: 0, Length: 1}}, NegativeSpans: []histogram.Span{{Offset: 0, Length: 1}},