fix: json number convert rule

Change-Id: I68a811b803631ef78b6b12fe548f98b676a10eb3

parser.go

@@ -69,7 +69,8 @@ func (p *parser) parseData(raw interface{}, variablesMapping map[string]interfac
 	case reflect.String:
 		// json.Number
 		if rawValue, ok := raw.(json.Number); ok {
-			return parseJSONNumber(rawValue)
+			// use the same rule as json.Unmarshal (float64, for JSON numbers)
+			return rawValue.Float64()
 		}
 		// other string
 		value := rawValue.String()
@@ -108,16 +109,6 @@ func (p *parser) parseData(raw interface{}, variablesMapping map[string]interfac
 	}
 }
 
-func parseJSONNumber(raw json.Number) (interface{}, error) {
-	if strings.Contains(raw.String(), ".") {
-		// float64
-		return raw.Float64()
-	} else {
-		// int64
-		return raw.Int64()
-	}
-}
-
 const (
 	regexVariable     = `[a-zA-Z_]\w*`    // variable name should start with a letter or underscore
 	regexFunctionName = `[a-zA-Z_]\w*`    // function name should start with a letter or underscore