package.json

@@ -6,20 +6,30 @@
   "scripts": {
     "dev": "vite",
     "build": "tsc && vite build",
-    "preview": "vite preview"
+    "preview": "vite preview",
+    "test": "vitest run",
+    "test:watch": "vitest",
+    "test:ui": "vitest --ui"
   },
   "dependencies": {
+    "axios": "^1.6.7",
+    "dayjs": "^1.11.10",
     "react": "^18.3.1",
     "react-dom": "^18.3.1",
-    "react-router-dom": "^6.22.0",
-    "axios": "^1.6.7",
-    "dayjs": "^1.11.10"
+    "react-router-dom": "^6.22.0"
   },
   "devDependencies": {
+    "@testing-library/dom": "^10.4.1",
+    "@testing-library/jest-dom": "^6.9.1",
+    "@testing-library/react": "^16.3.2",
+    "@testing-library/user-event": "^14.6.1",
     "@types/react": "^18.3.1",
     "@types/react-dom": "^18.3.0",
     "@vitejs/plugin-react": "^4.2.1",
+    "@vitest/ui": "^4.1.2",
+    "jsdom": "^29.0.1",
     "typescript": "^5.4.0",
-    "vite": "^5.1.0"
+    "vite": "^5.1.0",
+    "vitest": "^4.1.2"
   }
 }

src/test/calendar.test.tsx

@@ -0,0 +1,317 @@
+import { describe, it, expect, vi, beforeEach, afterEach } from 'vitest'
+import { render, screen, waitFor, fireEvent, cleanup } from '@testing-library/react'
+import userEvent from '@testing-library/user-event'
+import CalendarPage from '@/pages/CalendarPage'
+
+const mockGet = vi.fn()
+const mockPost = vi.fn()
+
+vi.mock('@/services/api', () => ({
+  default: {
+    get: (...args: any[]) => mockGet(...args),
+    post: (...args: any[]) => mockPost(...args),
+  },
+}))
+
+type Slot = {
+  slot_id: string
+  date: string
+  slot_type: 'work' | 'on_call' | 'entertainment' | 'system'
+  estimated_duration: number
+  scheduled_at: string
+  started_at: string | null
+  attended: boolean
+  actual_duration: number | null
+  event_type: 'job' | 'entertainment' | 'system_event' | null
+  event_data: Record<string, any> | null
+  priority: number
+  status: 'not_started' | 'ongoing' | 'deferred' | 'skipped' | 'paused' | 'finished' | 'aborted'
+  plan_id: number | null
+  is_virtual: boolean
+  created_at: string | null
+  updated_at: string | null
+}
+
+type Plan = {
+  id: number
+  slot_type: 'work' | 'on_call' | 'entertainment' | 'system'
+  estimated_duration: number
+  event_type: string | null
+  event_data: Record<string, any> | null
+  at_time: string
+  on_day: string | null
+  on_week: number | null
+  on_month: string | null
+  is_active: boolean
+  created_at: string
+  updated_at: string | null
+}
+
+const slots: Slot[] = [
+  {
+    slot_id: '1',
+    date: '2026-04-01',
+    slot_type: 'work',
+    estimated_duration: 25,
+    scheduled_at: '09:00',
+    started_at: null,
+    attended: false,
+    actual_duration: null,
+    event_type: 'job',
+    event_data: { type: 'Task', code: 'TASK-1' },
+    priority: 50,
+    status: 'not_started',
+    plan_id: null,
+    is_virtual: false,
+    created_at: '2026-04-01T00:00:00Z',
+    updated_at: '2026-04-01T00:00:00Z',
+  },
+  {
+    slot_id: 'plan-5-2026-04-01',
+    date: '2026-04-01',
+    slot_type: 'on_call',
+    estimated_duration: 30,
+    scheduled_at: '14:00',
+    started_at: null,
+    attended: false,
+    actual_duration: null,
+    event_type: null,
+    event_data: null,
+    priority: 70,
+    status: 'deferred',
+    plan_id: 5,
+    is_virtual: true,
+    created_at: null,
+    updated_at: null,
+  },
+]
+
+const plans: Plan[] = [
+  {
+    id: 5,
+    slot_type: 'on_call',
+    estimated_duration: 30,
+    event_type: null,
+    event_data: null,
+    at_time: '14:00',
+    on_day: 'Mon',
+    on_week: null,
+    on_month: null,
+    is_active: true,
+    created_at: '2026-03-01T00:00:00Z',
+    updated_at: null,
+  },
+  {
+    id: 6,
+    slot_type: 'work',
+    estimated_duration: 50,
+    event_type: 'system_event',
+    event_data: { event: 'ScheduleToday' },
+    at_time: '08:00',
+    on_day: 'Tue',
+    on_week: 1,
+    on_month: null,
+    is_active: false,
+    created_at: '2026-03-01T00:00:00Z',
+    updated_at: null,
+  },
+]
+
+function setupApi(options?: {
+  slots?: Slot[]
+  plans?: Plan[]
+  dayError?: string
+  postImpl?: (url: string, payload?: any) => any
+}) {
+  const currentSlots = options?.slots ?? slots
+  const currentPlans = options?.plans ?? plans
+
+  mockGet.mockImplementation((url: string) => {
+    if (url.startsWith('/calendar/day')) {
+      if (options?.dayError) {
+        return Promise.reject({ response: { data: { detail: options.dayError } } })
+      }
+      return Promise.resolve({ data: currentSlots })
+    }
+    if (url === '/calendar/plans') {
+      return Promise.resolve({ data: currentPlans })
+    }
+    return Promise.reject(new Error(`Unhandled GET ${url}`))
+  })
+
+  mockPost.mockImplementation((url: string, payload?: any) => {
+    if (options?.postImpl) return options.postImpl(url, payload)
+    return Promise.resolve({ data: {} })
+  })
+}
+
+describe('CalendarPage', () => {
+  beforeEach(() => {
+    vi.clearAllMocks()
+    setupApi()
+    vi.spyOn(window, 'confirm').mockReturnValue(true)
+  })
+
+  afterEach(() => {
+    cleanup()
+    vi.restoreAllMocks()
+  })
+
+  it('renders daily slots, deferred notice, and virtual-plan badge', async () => {
+    render(<CalendarPage />)
+
+    expect(await screen.findByText('09:00')).toBeInTheDocument()
+    expect(screen.getByText('14:00')).toBeInTheDocument()
+    expect(screen.getAllByText(/deferred/i).length).toBeGreaterThan(0)
+    expect(screen.getByText(/agent unavailability/i)).toBeInTheDocument()
+    expect(screen.getByText(/TASK-1/i)).toBeInTheDocument()
+    expect(screen.getByText(/^plan$/i)).toBeInTheDocument()
+    expect(screen.getByText(/Priority: 50/i)).toBeInTheDocument()
+  })
+
+  it('renders plans tab content', async () => {
+    render(<CalendarPage />)
+
+    await screen.findByText('09:00')
+    await userEvent.click(screen.getByRole('button', { name: /Plans \(2\)/i }))
+
+    expect(await screen.findByText(/Plan #5/i)).toBeInTheDocument()
+    expect(screen.getByText(/Plan #6/i)).toBeInTheDocument()
+    expect(screen.getByText(/at 14:00 · on Mon/i)).toBeInTheDocument()
+    expect(screen.getByText(/inactive/i)).toBeInTheDocument()
+  })
+
+  it('opens create modal and toggles event-specific fields', async () => {
+    render(<CalendarPage />)
+
+    await screen.findByText('09:00')
+    await userEvent.click(screen.getByRole('button', { name: /\+ New Slot/i }))
+
+    expect(screen.getByRole('heading', { name: /New Slot/i })).toBeInTheDocument()
+
+    const selects = screen.getAllByRole('combobox')
+    const eventTypeSelect = selects[1]
+
+    fireEvent.change(eventTypeSelect, { target: { value: 'job' } })
+    expect(screen.getByLabelText(/Job Code/i)).toBeInTheDocument()
+
+    fireEvent.change(eventTypeSelect, { target: { value: 'system_event' } })
+    expect(screen.getByLabelText(/System Event/i)).toBeInTheDocument()
+  })
+
+  it('submits new slot and displays workload warnings', async () => {
+    setupApi({
+      postImpl: (url: string) => {
+        if (url === '/calendar/schedule') {
+          return Promise.resolve({
+            data: {
+              slot: slots[0],
+              warnings: [
+                {
+                  period: 'daily',
+                  slot_type: 'work',
+                  current: 25,
+                  minimum: 120,
+                  message: 'Daily work minimum not met',
+                },
+              ],
+            },
+          })
+        }
+        return Promise.resolve({ data: {} })
+      },
+    })
+
+    render(<CalendarPage />)
+
+    await screen.findByText('09:00')
+    await userEvent.click(screen.getByRole('button', { name: /\+ New Slot/i }))
+    await userEvent.click(screen.getByRole('button', { name: /^Save$/i }))
+
+    await waitFor(() => {
+      expect(mockPost).toHaveBeenCalledWith(
+        '/calendar/schedule',
+        expect.objectContaining({
+          slot_type: 'work',
+          scheduled_at: '09:00',
+          estimated_duration: 25,
+          priority: 50,
+          date: '2026-04-01',
+        }),
+      )
+    })
+
+    expect(await screen.findByText(/Workload Warnings/i)).toBeInTheDocument()
+    expect(screen.getByText(/Daily work minimum not met/i)).toBeInTheDocument()
+  })
+
+  it('shows overlap error when save fails with overlap detail', async () => {
+    setupApi({
+      postImpl: (url: string) => {
+        if (url === '/calendar/schedule') {
+          return Promise.reject({
+            response: { data: { detail: 'Slot overlap with existing slot at 09:00' } },
+          })
+        }
+        return Promise.resolve({ data: {} })
+      },
+    })
+
+    render(<CalendarPage />)
+
+    await screen.findByText('09:00')
+    await userEvent.click(screen.getByRole('button', { name: /\+ New Slot/i }))
+    await userEvent.click(screen.getByRole('button', { name: /^Save$/i }))
+
+    expect(await screen.findByText(/Overlap conflict/i)).toBeInTheDocument()
+  })
+
+  it('opens edit modal with existing slot values and submits edit request', async () => {
+    setupApi({
+      postImpl: (url: string) => {
+        if (url.startsWith('/calendar/edit')) {
+          return Promise.resolve({ data: { slot: slots[0], warnings: [] } })
+        }
+        return Promise.resolve({ data: {} })
+      },
+    })
+
+    render(<CalendarPage />)
+
+    await screen.findByText('09:00')
+    await userEvent.click(screen.getAllByRole('button', { name: /✏️ Edit/i })[0])
+
+    expect(screen.getByRole('heading', { name: /Edit Slot/i })).toBeInTheDocument()
+    expect((screen.getAllByRole('combobox')[0] as HTMLSelectElement).value).toBe('work')
+    expect((document.querySelector('input[type="time"]') as HTMLInputElement).value).toBe('09:00')
+
+    await userEvent.click(screen.getByRole('button', { name: /^Save$/i }))
+
+    await waitFor(() => {
+      expect(mockPost).toHaveBeenCalledWith(
+        expect.stringContaining('/calendar/edit?date=2026-04-01&slot_id=1'),
+        expect.objectContaining({ slot_type: 'work' }),
+      )
+    })
+  })
+
+  it('cancels a slot after confirmation', async () => {
+    render(<CalendarPage />)
+
+    await screen.findByText('09:00')
+    await userEvent.click(screen.getAllByRole('button', { name: /❌ Cancel/i })[0])
+
+    await waitFor(() => {
+      expect(window.confirm).toHaveBeenCalled()
+      expect(mockPost).toHaveBeenCalledWith('/calendar/cancel?date=2026-04-01&slot_id=1')
+    })
+  })
+
+  it('shows fetch error banner when day loading fails', async () => {
+    setupApi({ dayError: 'Failed to load calendar' })
+
+    render(<CalendarPage />)
+
+    expect(await screen.findByText(/Failed to load calendar/i)).toBeInTheDocument()
+  })
+})

src/test/setup.ts

@@ -0,0 +1,56 @@
+import '@testing-library/jest-dom'
+import { vi } from 'vitest'
+
+// Mock localStorage
+const localStorageMock = {
+  getItem: vi.fn((key: string) => {
+    if (key === 'token') return 'mock-token'
+    if (key === 'HF_BACKEND_BASE_URL') return 'http://localhost:8000'
+    return null
+  }),
+  setItem: vi.fn(),
+  removeItem: vi.fn(),
+  clear: vi.fn(),
+}
+vi.stubGlobal('localStorage', localStorageMock)
+
+// Mock window.location
+delete window.location
+window.location = Object.defineProperties({}, {
+  pathname: { value: '/calendar', writable: true },
+  href: { value: 'http://localhost/calendar', writable: true },
+  assign: { value: vi.fn(), writable: true },
+  replace: { value: vi.fn(), writable: true },
+}) as any
+
+// Mock matchMedia
+Object.defineProperty(window, 'matchMedia', {
+  writable: true,
+  value: vi.fn().mockImplementation((query: string) => ({
+    matches: false,
+    media: query,
+    onchange: null,
+    addListener: vi.fn(),
+    removeListener: vi.fn(),
+    addEventListener: vi.fn(),
+    removeEventListener: vi.fn(),
+    dispatchEvent: vi.fn(),
+  })),
+})
+
+// Mock ResizeObserver
+class ResizeObserverMock {
+  observe() {}
+  unobserve() {}
+  disconnect() {}
+}
+vi.stubGlobal('ResizeObserver', ResizeObserverMock)
+
+// Mock IntersectionObserver
+class IntersectionObserverMock {
+  constructor() {}
+  observe() {}
+  unobserve() {}
+  disconnect() {}
+}
+vi.stubGlobal('IntersectionObserver', IntersectionObserverMock)

vite.config.ts

@@ -19,4 +19,11 @@ export default defineConfig({
       },
     },
   },
+  test: {
+    globals: true,
+    environment: 'jsdom',
+    setupFiles: './src/test/setup.ts',
+    css: true,
+    include: ['src/test/**/*.test.{ts,tsx}'],
+  },
 })