/
selector.go
105 lines (88 loc) · 2.44 KB
/
selector.go
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package executetest
import (
"testing"
"github.com/google/go-cmp/cmp"
"github.com/influxdata/flux"
"github.com/influxdata/flux/execute"
)
func RowSelectorFuncTestHelper(t *testing.T, selector execute.RowSelector, data flux.Table, want []execute.Row) {
t.Helper()
s := selector.NewFloatSelector()
valueIdx := execute.ColIdx(execute.DefaultValueColLabel, data.Cols())
if valueIdx < 0 {
t.Fatal("no _value column found")
}
if err := data.Do(func(cr flux.ColReader) error {
s.DoFloat(cr.Floats(valueIdx), cr)
return nil
}); err != nil {
t.Fatal(err)
}
got := s.Rows()
if !cmp.Equal(want, got) {
t.Errorf("unexpected value -want/+got\n%s", cmp.Diff(want, got))
}
}
//lint:ignore U1000 Not sure why we need this...someone write a better reason :) .
var rows []execute.Row
func RowSelectorFuncBenchmarkHelper(b *testing.B, selector execute.RowSelector, data flux.Table) {
b.Helper()
valueIdx := execute.ColIdx(execute.DefaultValueColLabel, data.Cols())
if valueIdx < 0 {
b.Fatal("no _value column found")
}
b.ResetTimer()
for n := 0; n < b.N; n++ {
s := selector.NewFloatSelector()
if err := data.Do(func(cr flux.ColReader) error {
s.DoFloat(cr.Floats(valueIdx), cr)
return nil
}); err != nil {
b.Fatal(err)
}
rows = s.Rows()
}
}
func IndexSelectorFuncTestHelper(t *testing.T, selector execute.IndexSelector, data flux.Table, want [][]int) {
t.Helper()
var got [][]int
s := selector.NewFloatSelector()
valueIdx := execute.ColIdx(execute.DefaultValueColLabel, data.Cols())
if valueIdx < 0 {
t.Fatal("no _value column found")
}
if err := data.Do(func(cr flux.ColReader) error {
var cpy []int
selected := s.DoFloat(cr.Floats(valueIdx))
if len(selected) > 0 {
cpy = make([]int, len(selected))
copy(cpy, selected)
}
got = append(got, cpy)
return nil
}); err != nil {
t.Fatal(err)
}
if !cmp.Equal(want, got) {
t.Errorf("unexpected value -want/+got\n%s", cmp.Diff(want, got))
}
}
func IndexSelectorFuncBenchmarkHelper(b *testing.B, selector execute.IndexSelector, data flux.BufferedTable) {
b.Helper()
valueIdx := execute.ColIdx(execute.DefaultValueColLabel, data.Cols())
if valueIdx < 0 {
b.Fatal("no _value column found")
}
b.ResetTimer()
var got [][]int
for n := 0; n < b.N; n++ {
s := selector.NewFloatSelector()
t := data.Copy()
if err := t.Do(func(cr flux.ColReader) error {
got = append(got, s.DoFloat(cr.Floats(valueIdx)))
return nil
}); err != nil {
b.Fatal(err)
}
}
}