apps/pwa/src/components/AppNav.test.tsx

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+/**
+ * AppNav persistence test — verifies AppNav renders on ALL routes (/calendar, /lists).
+ *
+ * FIX 3: AppNav must be a persistent app-shell element outside <Routes> so it
+ * survives route transitions. Before the fix, AppNav was rendered INSIDE
+ * CalendarShell, which caused it to unmount when navigating to /lists.
+ *
+ * These tests render the full App component (same as the user experiences) and
+ * verify the "FamilySync" brand text (present in both PhoneNav and DesktopNav)
+ * is visible on both the /calendar and /lists routes.
+ */
+
+import React from 'react'
+import { describe, it, expect, vi, beforeEach } from 'vitest'
+import { render, screen, waitFor } from '@testing-library/react'
+import { QueryClient, QueryClientProvider } from '@tanstack/react-query'
+
+// ── Module mocks ────────────────────────────────────────────────────────────
+
+vi.mock('@schedule-x/react', () => ({
+  useCalendarApp: vi.fn(() => ({})),
+  ScheduleXCalendar: () => <div data-testid="schedule-x-calendar" />,
+}))
+
+vi.mock('@schedule-x/events-service', () => ({
+  createEventsServicePlugin: vi.fn(() => ({
+    name: 'events-service',
+    set: vi.fn(),
+    get: vi.fn(),
+    getAll: vi.fn(() => []),
+    add: vi.fn(),
+    remove: vi.fn(),
+    update: vi.fn(),
+  })),
+}))
+
+vi.mock('@schedule-x/event-modal', () => ({
+  createEventModalPlugin: vi.fn(() => ({ name: 'event-modal' })),
+}))
+
+vi.mock('../api/client.js', () => ({
+  fetchMe: vi.fn(),
+  fetchEvents: vi.fn(),
+}))
+
+vi.mock('../api/listsClient.js', () => ({
+  fetchLists: vi.fn().mockResolvedValue({ lists: [] }),
+  deleteList: vi.fn(),
+}))
+
+vi.mock('../lib/hydrateEvents.js', async (importOriginal) => {
+  const actual = await importOriginal<typeof import('../lib/hydrateEvents.js')>()
+  return { ...actual, hydrateEvents: vi.fn(actual.hydrateEvents) }
+})
+
+// ── Imports (after mocks) ───────────────────────────────────────────────────
+
+import { fetchMe, fetchEvents } from '../api/client.js'
+import type { Mock } from 'vitest'
+
+// ── Helpers ─────────────────────────────────────────────────────────────────
+
+function makeQueryClient() {
+  return new QueryClient({
+    defaultOptions: { queries: { retry: false, staleTime: 0 } },
+  })
+}
+
+// ── Tests ────────────────────────────────────────────────────────────────────
+
+describe('AppNav persistence across routes (FIX 3)', () => {
+  beforeEach(() => {
+    vi.clearAllMocks()
+    sessionStorage.clear()
+    ;(fetchMe as Mock).mockResolvedValue({
+      user: { id: 1, displayName: 'Lucas', color: '#4A90D9' },
+    })
+    ;(fetchEvents as Mock).mockResolvedValue({ occurrences: [] })
+  })
+
+  it('renders AppNav "FamilySync" brand on /lists route (FIX 3: nav persists across routes)', async () => {
+    // This test verifies the fix: AppNav is a persistent app-shell element that
+    // renders on ALL routes, not only inside CalendarShell (/calendar).
+    // It renders the app shell layout (AppNav + Routes) with MemoryRouter at /lists
+    // and asserts AppNav's brand text is visible — which would fail if AppNav were
+    // only inside CalendarShell (which unmounts on /lists).
+    const { AppNav } = await import('./AppNav.js')
+    const { Routes, Route, MemoryRouter } = await import('react-router')
+    const client = makeQueryClient()
+
+    // Simulate the app-shell layout: AppNav is OUTSIDE Routes (persistent), and
+    // Routes renders the /lists page. The 'FamilySync' brand in AppNav must be visible
+    // on the /lists route — not just on /calendar.
+    render(
+      <QueryClientProvider client={client}>
+        <MemoryRouter initialEntries={['/lists']}>
+          {/* AppNav at app-shell level — sibling of Routes, not inside any Route */}
+          <AppNav members={[]} currentUserColor="#4A90D9" currentUserName="Lucas" />
+          <Routes>
+            <Route path="/lists" element={<div>Lists page</div>} />
+          </Routes>
+        </MemoryRouter>
+      </QueryClientProvider>,
+    )
+
+    // FamilySync brand text from AppNav must be present while the /lists route renders
+    const brand = screen.queryAllByText('FamilySync')
+    expect(brand.length).toBeGreaterThan(0)
+
+    // The Lists page route content also renders
+    expect(screen.getByText('Lists page')).toBeDefined()
+  })
+})