VictoriaMetrics/app/vmalert/datasource/vm_prom_api_test.go
Haleygo 45c0e4bb31
vmalert: add eval_offset for group (#4693)
Adds `eval_offset` attribute for Groups. 
If specified, Group will be evaluated at the exact time offset on the range of [0...evaluationInterval]. 
The setting might be useful for cron-like rules which must be evaluated at specific moments of time. 

https://github.com/VictoriaMetrics/VictoriaMetrics/issues/3409

Signed-off-by: Haley Wang <pipilong.25@gmail.com>
Co-authored-by: hagen1778 <roman@victoriametrics.com>
2023-09-06 16:29:59 +02:00

92 lines
2.1 KiB
Go

package datasource
import (
"encoding/json"
"testing"
"time"
)
func BenchmarkMetrics(b *testing.B) {
payload := []byte(`[{"metric":{"__name__":"vm_rows"},"value":[1583786142,"13763"]},{"metric":{"__name__":"vm_requests", "foo":"bar", "baz": "qux"},"value":[1583786140,"2000"]}]`)
var pi promInstant
if err := json.Unmarshal(payload, &pi.Result); err != nil {
b.Fatalf(err.Error())
}
b.Run("Instant", func(b *testing.B) {
for i := 0; i < b.N; i++ {
_, _ = pi.metrics()
}
})
}
func TestGetPrometheusReqTimestamp(t *testing.T) {
offset := 30 * time.Minute
testCases := []struct {
name string
s *VMStorage
queryTimeAlignment bool
originTS, expTS string
}{
{
"with eval_offset, find previous offset point",
&VMStorage{
evaluationOffset: &offset,
evaluationInterval: time.Hour,
lookBack: 1 * time.Minute,
},
false,
"2023-08-28T11:11:00+00:00",
"2023-08-28T10:30:00+00:00",
},
{
"with eval_offset",
&VMStorage{
evaluationOffset: &offset,
evaluationInterval: time.Hour,
},
true,
"2023-08-28T11:41:00+00:00",
"2023-08-28T11:30:00+00:00",
},
{
"with query align",
&VMStorage{
evaluationInterval: time.Hour,
},
true,
"2023-08-28T11:11:00+00:00",
"2023-08-28T11:00:00+00:00",
},
{
"with query align and lookback",
&VMStorage{
evaluationInterval: time.Hour,
lookBack: 1 * time.Minute,
},
true,
"2023-08-28T11:11:00+00:00",
"2023-08-28T10:59:00+00:00",
},
{
"without query align",
&VMStorage{
evaluationInterval: time.Hour,
},
false,
"2023-08-28T11:11:00+00:00",
"2023-08-28T11:11:00+00:00",
},
}
for _, tc := range testCases {
oldAlignPara := *queryTimeAlignment
*queryTimeAlignment = tc.queryTimeAlignment
originT, _ := time.Parse(time.RFC3339, tc.originTS)
expT, _ := time.Parse(time.RFC3339, tc.expTS)
gotTS := tc.s.adjustReqTimestamp(originT)
if !gotTS.Equal(expT) {
t.Fatalf("get wrong prometheus request timestamp, expect %s, got %s", expT, gotTS)
}
*queryTimeAlignment = oldAlignPara
}
}