bbgo_origin/pkg/dynamic/iterate_test.go

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package dynamic
import (
"os"
"reflect"
"testing"
"github.com/stretchr/testify/assert"
)
func TestIterateFields(t *testing.T) {
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t.Run("basic", func(t *testing.T) {
var a = struct {
A int
B float64
C *os.File
}{}
cnt := 0
err := IterateFields(&a, func(ft reflect.StructField, fv reflect.Value) error {
cnt++
return nil
})
assert.NoError(t, err)
assert.Equal(t, 3, cnt)
})
t.Run("non-ptr", func(t *testing.T) {
err := IterateFields(struct{}{}, func(ft reflect.StructField, fv reflect.Value) error {
return nil
})
assert.Error(t, err)
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})
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t.Run("nil", func(t *testing.T) {
err := IterateFields(nil, func(ft reflect.StructField, fv reflect.Value) error {
return nil
})
assert.Error(t, err)
})
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}