66 lines
1.1 KiB
Go
66 lines
1.1 KiB
Go
package functions_test
|
|
|
|
import (
|
|
"math"
|
|
"testing"
|
|
|
|
"github.com/influxdata/platform/query"
|
|
"github.com/influxdata/platform/query/execute/executetest"
|
|
"github.com/influxdata/platform/query/functions"
|
|
"github.com/influxdata/platform/query/querytest"
|
|
)
|
|
|
|
func TestStddevOperation_Marshaling(t *testing.T) {
|
|
data := []byte(`{"id":"stddev","kind":"stddev"}`)
|
|
op := &query.Operation{
|
|
ID: "stddev",
|
|
Spec: &functions.StddevOpSpec{},
|
|
}
|
|
|
|
querytest.OperationMarshalingTestHelper(t, data, op)
|
|
}
|
|
|
|
func TestStddev_Process(t *testing.T) {
|
|
testCases := []struct {
|
|
name string
|
|
data []float64
|
|
want float64
|
|
}{
|
|
{
|
|
name: "zero",
|
|
data: []float64{1, 1, 1},
|
|
want: 0.0,
|
|
},
|
|
{
|
|
name: "nonzero",
|
|
data: []float64{1, 2, 3},
|
|
want: 1.0,
|
|
},
|
|
{
|
|
name: "NaN",
|
|
data: []float64{1},
|
|
want: math.NaN(),
|
|
},
|
|
}
|
|
for _, tc := range testCases {
|
|
tc := tc
|
|
t.Run(tc.name, func(t *testing.T) {
|
|
executetest.AggFuncTestHelper(
|
|
t,
|
|
new(functions.StddevAgg),
|
|
tc.data,
|
|
tc.want,
|
|
)
|
|
})
|
|
}
|
|
}
|
|
|
|
func BenchmarkStddev(b *testing.B) {
|
|
executetest.AggFuncBenchmarkHelper(
|
|
b,
|
|
new(functions.StddevAgg),
|
|
NormalData,
|
|
2.998926113076968,
|
|
)
|
|
}
|