grafana/pkg/tsdb/azuremonitor/time-grain_test.go
Daniel Lee 0b74860f55 azuremonitor: fix auto interval calculation on backend
Not needed for alerting (as the query intervalms will always be 0) but needed
later when being called from the frontend)
2019-02-11 13:27:08 +01:00

72 lines
2.1 KiB
Go

package azuremonitor
import (
"testing"
. "github.com/smartystreets/goconvey/convey"
)
func TestTimeGrain(t *testing.T) {
Convey("TimeGrain", t, func() {
tgc := &TimeGrain{}
Convey("create ISO 8601 Duration", func() {
Convey("when given a time unit smaller than a day", func() {
minuteKbnDuration := tgc.createISO8601Duration(1, "m")
hourKbnDuration := tgc.createISO8601Duration(2, "h")
minuteDuration := tgc.createISO8601Duration(1, "minute")
hourDuration := tgc.createISO8601Duration(2, "hour")
Convey("should convert it to a time duration", func() {
So(minuteKbnDuration, ShouldEqual, "PT1M")
So(hourKbnDuration, ShouldEqual, "PT2H")
So(minuteDuration, ShouldEqual, "PT1M")
So(hourDuration, ShouldEqual, "PT2H")
})
})
Convey("when given the day time unit", func() {
kbnDuration := tgc.createISO8601Duration(1, "d")
duration := tgc.createISO8601Duration(2, "day")
Convey("should convert it to a date duration", func() {
So(kbnDuration, ShouldEqual, "P1D")
So(duration, ShouldEqual, "P2D")
})
})
})
Convey("create ISO 8601 Duration from Grafana interval in milliseconds", func() {
Convey("and interval is less than a minute", func() {
durationMS, err := tgc.createISO8601DurationFromIntervalMS(100)
So(err, ShouldBeNil)
durationS, err := tgc.createISO8601DurationFromIntervalMS(59999)
So(err, ShouldBeNil)
Convey("should be rounded up to a minute as is the minimum interval for Azure Monitor", func() {
So(durationMS, ShouldEqual, "PT1M")
So(durationS, ShouldEqual, "PT1M")
})
})
Convey("and interval is more than a minute", func() {
intervals := map[string]int64{
"10m": 600000,
"2d": 172800000,
}
durationM, err := tgc.createISO8601DurationFromIntervalMS(intervals["10m"])
So(err, ShouldBeNil)
durationD, err := tgc.createISO8601DurationFromIntervalMS(intervals["2d"])
So(err, ShouldBeNil)
Convey("should be rounded up to a minute as is the minimum interval for Azure Monitor", func() {
So(durationM, ShouldEqual, "PT10M")
So(durationD, ShouldEqual, "P2D")
})
})
})
})
}