visionA/local-agent/visiona-agent/preferences_test.go
jim800121chen 3f0175f1a9 feat(local-agent): Phase 0.5 visionA Agent — Wails 桌面 + tunnel client + 配對 UI
從 local-tool 複製出獨立的「visionA Agent」桌面應用(A3 純橋樑:
tunnel client + 配對 UI + 設定,不開 HTTP port、不做本機裝置/推論 UI)。
Bundle ID 與 local-tool 不同(com.innovedus.visiona-agent vs visiona-local),
雙 app 可共存。fork 後不主動 sync,需要時手動 cherry-pick。

Backend / Wails Go(AB1-AB13):
- internal/tunnel:6 狀態機(Idle/Connecting/Connected/Reconnecting/Failed/Stopped)
  + Pair/Unpair/Reconnect/Disconnect binding + ClientHooks event
- internal/auth:encrypted file token store(AES-GCM + scrypt + machineID
  fallback salt + 13 tests)
- internal/config:YAML validation + atomic write + 11 tests
- internal/log:ring buffer + ExportLog 升級 zip
- visionA-backend /api/pairing/exchange:SessionTokenStore + 17 new tests
- 三平台 build 驗證(macOS DMG 160 MB / Windows EXE / Linux AppImage)
- end-to-end 5 milestone 全綠(pairing → tunnel → forward → reuse 防護
  → tunnel drop failover)

Frontend / Next.js(AF1-AF7,沿用 visionA-frontend 基礎):
- AppShell + Header + TabNav(StatusView / PairView / SettingsView 三 tab)
- ConnectionStatusBadge 5 種狀態
- TokenInput regex 驗證 + 7 種錯誤 + 0.5s auto-switch 到狀態頁
- 設定頁 4 區塊(含重新配對 AlertDialog)
- agent-api.ts 封裝 Wails bindings(mock/real 雙實作)+ 90 tests

Phase 0.7 review-driven fix(Round 2):
- A1 Session fixation 防護(RotateSessionID)
- A3 mock pairing 預設改 false(必須明確 opt-in)+ startup log
- A4 Pair 失敗後 state 清理矩陣(exchange/Save/Start fail 各自終態)
- A5 Pair/Unpair/Reconnect lifecycleMu + 50 goroutine race test
- F1 重新配對次按鈕 / F2 PairView Esc cancel / F3 Wails BrowserOpenURL
  / F4 Settings draft 持久 + 未儲存 badge

驗證:agent backend go test -race -count=3 ./... 4 packages 全綠 /
agent frontend pnpm test 119 tests 全綠

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-01 11:22:01 +08:00

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package main
// preferences_test.go — M8-4 Preferences 持久化單元測試
import (
"encoding/json"
"os"
"path/filepath"
"runtime"
"testing"
)
func TestDefaultPreferences_PlatformSpecific(t *testing.T) {
p := DefaultPreferences()
wantOpen := runtime.GOOS != "linux"
if p.AutoOpenBrowser != wantOpen {
t.Fatalf("DefaultPreferences.AutoOpenBrowser=%v on %s, want %v", p.AutoOpenBrowser, runtime.GOOS, wantOpen)
}
if p.Locale != "" {
t.Fatalf("default Locale=%q, want empty", p.Locale)
}
if p.LogRingSize != 0 {
t.Fatalf("default LogRingSize=%d, want 0", p.LogRingSize)
}
}
func TestLoadPreferences_MissingFile(t *testing.T) {
dir := t.TempDir()
p := LoadPreferences(dir)
want := DefaultPreferences()
if p != want {
t.Fatalf("LoadPreferences on empty dir=%+v, want default %+v", p, want)
}
}
func TestLoadPreferences_CorruptJSON(t *testing.T) {
dir := t.TempDir()
path := preferencesPath(dir)
if err := os.WriteFile(path, []byte("{not json"), 0o644); err != nil {
t.Fatalf("prep: %v", err)
}
p := LoadPreferences(dir)
want := DefaultPreferences()
if p != want {
t.Fatalf("LoadPreferences on corrupt json=%+v, want default %+v", p, want)
}
}
func TestSaveAndLoadPreferences_Roundtrip(t *testing.T) {
dir := t.TempDir()
orig := Preferences{
AutoOpenBrowser: false,
Locale: "zh-TW",
LogRingSize: 1000,
}
if err := SavePreferences(dir, orig); err != nil {
t.Fatalf("Save: %v", err)
}
// 確認 .tmp 不存在rename 已完成)
if _, err := os.Stat(preferencesPath(dir) + ".tmp"); !os.IsNotExist(err) {
t.Fatalf("tmp file should not exist after rename, got err=%v", err)
}
// 檢查檔案內容是合法 JSON
raw, err := os.ReadFile(preferencesPath(dir))
if err != nil {
t.Fatalf("read file: %v", err)
}
var check Preferences
if err := json.Unmarshal(raw, &check); err != nil {
t.Fatalf("unmarshal: %v", err)
}
if check != orig {
t.Fatalf("on-disk=%+v, want %+v", check, orig)
}
// Load 回來應該一致
loaded := LoadPreferences(dir)
if loaded != orig {
t.Fatalf("loaded=%+v, want %+v", loaded, orig)
}
}
func TestSavePreferences_AtomicRename(t *testing.T) {
dir := t.TempDir()
// 預先寫一個舊 preferences.json
oldData := `{"autoOpenBrowser":true,"locale":"en-US"}`
if err := os.WriteFile(preferencesPath(dir), []byte(oldData), 0o644); err != nil {
t.Fatalf("prep: %v", err)
}
// 寫新的
newPref := Preferences{AutoOpenBrowser: false, Locale: "zh-TW"}
if err := SavePreferences(dir, newPref); err != nil {
t.Fatalf("Save: %v", err)
}
loaded := LoadPreferences(dir)
if loaded != newPref {
t.Fatalf("loaded=%+v, want %+v", loaded, newPref)
}
// tmp cleanup 後 data dir 只該有 preferences.json
entries, _ := os.ReadDir(dir)
for _, e := range entries {
if filepath.Ext(e.Name()) == ".tmp" {
t.Fatalf("leftover tmp file: %s", e.Name())
}
}
}