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promqltest: Test NaN sample values for quantile aggregator

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Signed-off-by: beorn7 <beorn@grafana.com>
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beorn7 2025-07-09 13:33:53 +02:00
parent 181415c7b7
commit 107e4a00c3
1 changed files with 22 additions and 4 deletions
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26
promql/promqltest/testdata/aggregators.test vendored
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@ -462,19 +462,34 @@ load 10s
data{test="uneven samples",point="a"} 0 data{test="uneven samples",point="a"} 0
data{test="uneven samples",point="b"} 1 data{test="uneven samples",point="b"} 1
data{test="uneven samples",point="c"} 4 data{test="uneven samples",point="c"} 4
data{test="NaN sample",point="a"} 0
data{test="NaN sample",point="b"} 1
data{test="NaN sample",point="c"} NaN
data_histogram{test="histogram sample", point="c"} {{schema:2 count:4 sum:10 buckets:[1 0 0 0 1 0 0 1 1]}} data_histogram{test="histogram sample", point="c"} {{schema:2 count:4 sum:10 buckets:[1 0 0 0 1 0 0 1 1]}}
foo 0 1 0 1 0 1 0.8 foo 0 1 0 1 0 1 0.8
# 80th percentile.
# The NaN sample is treated as the smallest possible value.
eval instant at 1m quantile without(point)(0.8, data) eval instant at 1m quantile without(point)(0.8, data)
{test="two samples"} 0.8 {test="two samples"} 0.8
{test="three samples"} 1.6 {test="three samples"} 1.6
{test="uneven samples"} 2.8 {test="uneven samples"} 2.8
{test="NaN sample"} 0.6
# 20th percentile.
# A quantile between NaN and 0 is interpolated as NaN.
eval instant at 1m quantile without(point)(0.2, data)
{test="two samples"} 0.2
{test="three samples"} 0.4
{test="uneven samples"} 0.4
{test="NaN sample"} NaN
# The histogram is ignored here so the result doesn't change but it has an info annotation now. # The histogram is ignored here so the result doesn't change but it has an info annotation now.
eval_info instant at 1m quantile without(point)(0.8, {__name__=~"data(_histogram)?"}) eval_info instant at 1m quantile without(point)(0.8, {__name__=~"data(_histogram)?"})
{test="two samples"} 0.8 {test="two samples"} 0.8
{test="three samples"} 1.6 {test="three samples"} 1.6
{test="uneven samples"} 2.8 {test="uneven samples"} 2.8
{test="NaN sample"} 0.6
# The histogram is ignored here so there is no result but it has an info annotation now. # The histogram is ignored here so there is no result but it has an info annotation now.
eval_info instant at 1m quantile(0.8, data_histogram) eval_info instant at 1m quantile(0.8, data_histogram)
@ -484,24 +499,27 @@ eval instant at 1m quantile without(point)(scalar(foo), data)
{test="two samples"} 0.8 {test="two samples"} 0.8
{test="three samples"} 1.6 {test="three samples"} 1.6
{test="uneven samples"} 2.8 {test="uneven samples"} 2.8
{test="NaN sample"} 0.6
eval instant at 1m quantile without(point)((scalar(foo)), data) eval instant at 1m quantile without(point)((scalar(foo)), data)
{test="two samples"} 0.8 {test="two samples"} 0.8
{test="three samples"} 1.6 {test="three samples"} 1.6
{test="uneven samples"} 2.8 {test="uneven samples"} 2.8
{test="NaN sample"} 0.6
eval instant at 1m quantile without(point)(NaN, data) eval instant at 1m quantile without(point)(NaN, data)
expect warn msg: PromQL warning: quantile value should be between 0 and 1, got NaN expect warn msg: PromQL warning: quantile value should be between 0 and 1, got NaN
{test="two samples"} NaN {test="two samples"} NaN
{test="three samples"} NaN {test="three samples"} NaN
{test="uneven samples"} NaN {test="uneven samples"} NaN
{test="NaN sample"} NaN
# Bug #15971. # Bug #15971.
eval range from 0m to 1m step 10s quantile without(point) (scalar(foo), data) eval range from 0m to 1m step 10s quantile without(point) (scalar(foo), data)
{test="two samples"} 0 1 0 1 0 1 0.8 {test="two samples"} 0 1 0 1 0 1 0.8
{test="three samples"} 0 2 0 2 0 2 1.6 {test="three samples"} 0 2 0 2 0 2 1.6
{test="uneven samples"} 0 4 0 4 0 4 2.8 {test="uneven samples"} 0 4 0 4 0 4 2.8
{test="NaN sample"} NaN 1 NaN 1 NaN 1 0.6
# Tests for group. # Tests for group.
clear clear