65 lines
1.2 KiB
Go
65 lines
1.2 KiB
Go
package validation
|
|
|
|
import (
|
|
"encoding/json"
|
|
"fmt"
|
|
|
|
"github.com/PaesslerAG/jsonpath"
|
|
)
|
|
|
|
var _ ValueComparator = (*JSONPathValidator)(nil)
|
|
|
|
func JSONPathValidatorFor[T Value](path string, want T) (*JSONPathValidator, error) {
|
|
comparator, err := JSONValueComparatorFor(want)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
return &JSONPathValidator{
|
|
Path: path,
|
|
Comparator: comparator,
|
|
}, nil
|
|
}
|
|
|
|
type JSONPathValidator struct {
|
|
Path string
|
|
Comparator ValueComparator
|
|
}
|
|
|
|
func (j JSONPathValidator) Equals(got any) bool {
|
|
parsed, err := parse(got)
|
|
if err != nil {
|
|
return false
|
|
}
|
|
val, err := jsonpath.Get(j.Path, parsed)
|
|
if err != nil {
|
|
return false
|
|
}
|
|
|
|
return j.Comparator.Equals(val)
|
|
}
|
|
|
|
func parse(in any) (any, error) {
|
|
keyValue := make(map[string]any)
|
|
arr := make([]any, 0)
|
|
switch data := in.(type) {
|
|
case []byte:
|
|
if err := json.Unmarshal(data, &keyValue); err == nil {
|
|
return keyValue, nil
|
|
}
|
|
|
|
err := json.Unmarshal(data, &arr)
|
|
|
|
return arr, err
|
|
case string:
|
|
raw := []byte(data)
|
|
if err := json.Unmarshal(raw, &keyValue); err == nil {
|
|
return keyValue, nil
|
|
}
|
|
err := json.Unmarshal(raw, &arr)
|
|
|
|
return arr, err
|
|
}
|
|
|
|
return nil, fmt.Errorf("cannot convert %v to JSON structure", in)
|
|
}
|