grafana/pkg/services/alerting/conditions/reducer_test.go

51 lines
1.1 KiB
Go

package conditions
import (
"testing"
"github.com/grafana/grafana/pkg/tsdb"
. "github.com/smartystreets/goconvey/convey"
)
func TestSimpleReducer(t *testing.T) {
Convey("Test simple reducer by calculating", t, func() {
Convey("avg", func() {
result := testReducer("avg", 1, 2, 3)
So(result, ShouldEqual, float64(2))
})
Convey("sum", func() {
result := testReducer("sum", 1, 2, 3)
So(result, ShouldEqual, float64(6))
})
Convey("min", func() {
result := testReducer("min", 3, 2, 1)
So(result, ShouldEqual, float64(1))
})
Convey("max", func() {
result := testReducer("max", 1, 2, 3)
So(result, ShouldEqual, float64(3))
})
Convey("count", func() {
result := testReducer("count", 1, 2, 3000)
So(result, ShouldEqual, float64(3))
})
})
}
func testReducer(typ string, datapoints ...float64) float64 {
reducer := NewSimpleReducer(typ)
series := &tsdb.TimeSeries{
Name: "test time serie",
}
for idx := range datapoints {
series.Points = append(series.Points, tsdb.NewTimePoint(datapoints[idx], 1234134))
}
return reducer.Reduce(series).Float64
}