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Add API test for histogram 

Signed-off-by: Ganesh Vernekar <ganeshvern@gmail.com>
This commit is contained in:
Ganesh Vernekar 2022-10-03 18:53:57 +05:30
parent a01b3d7a14
commit f024d769e7
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1 changed files with 28 additions and 1 deletions
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29
web/api/v1/api_test.go
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@ -30,6 +30,7 @@ import (
"testing"
"time"
"github.com/prometheus/prometheus/model/histogram"
"github.com/prometheus/prometheus/util/stats"
"github.com/go-kit/log"
@ -2798,13 +2799,39 @@ func TestRespond(t *testing.T) {
Result: promql.Matrix{
promql.Series{
Points: []promql.Point{{V: 1, T: 1000}},
// TODO(beorn7): Add histogram points.
Metric: labels.FromStrings("__name__", "foo"),
},
},
},
expected: `{"status":"success","data":{"resultType":"matrix","result":[{"metric":{"__name__":"foo"},"values":[[1,"1"]]}]}}`,
},
{
response: &queryData{
ResultType: parser.ValueTypeMatrix,
Result: promql.Matrix{
promql.Series{
Points: []promql.Point{{H: &histogram.FloatHistogram{
Schema: 2,
ZeroThreshold: 0.001,
ZeroCount: 12,
Count: 10,
Sum: 20,
PositiveSpans: []histogram.Span{
{Offset: 3, Length: 2},
{Offset: 1, Length: 3},
},
NegativeSpans: []histogram.Span{
{Offset: 2, Length: 2},
},
PositiveBuckets: []float64{1, 2, 2, 1, 1},
NegativeBuckets: []float64{2, 1},
}, T: 1000}},
Metric: labels.FromStrings("__name__", "foo"),
},
},
},
expected: `{"status":"success","data":{"resultType":"matrix","result":[{"metric":{"__name__":"foo"},"histograms":[[1,{"count":"10","sum":"20","buckets":[[1,"-1.6817928305074288","-1.414213562373095","1"],[1,"-1.414213562373095","-1.189207115002721","2"],[3,"-0.001","0.001","12"],[0,"1.414213562373095","1.6817928305074288","1"],[0,"1.6817928305074288","2","2"],[0,"2.378414230005442","2.82842712474619","2"],[0,"2.82842712474619","3.3635856610148576","1"],[0,"3.3635856610148576","4","1"]]}]]}]}}`,
},
{
response: promql.Point{V: 0, T: 0},
expected: `{"status":"success","data":[0,"0"]}`,