package dto

import (
	"encoding/json"
	"strings"
	"testing"
)

func TestChannelConfigJSONUsesSnakeCaseFields(t *testing.T) {
	payload, err := json.Marshal(struct {
		WxWork WxWorkKFChannelConfig `json:"wxwork"`
		Web    WebChannelConfig      `json:"web"`
	}{
		WxWork: WxWorkKFChannelConfig{OpenKfID: "wkf"},
		Web:    WebChannelConfig{ThemeColor: "#fff"},
	})
	if err != nil {
		t.Fatalf("marshal channel config: %v", err)
	}

	text := string(payload)
	for _, field := range []string{`"open_kf_id"`, `"theme_color"`} {
		if !strings.Contains(text, field) {
			t.Fatalf("expected %s in %s", field, text)
		}
	}
	for _, field := range []string{"openKfId", "themeColor"} {
		if strings.Contains(text, field) {
			t.Fatalf("unexpected camelCase field %q in %s", field, text)
		}
	}
}