Initial commit

frontend/src/hooks/useAnalytics.test.ts

@@ -0,0 +1,70 @@
+import { describe, it, expect, beforeEach, vi } from 'vitest'
+import { renderHook, act } from '@testing-library/react'
+import { useAnalytics } from './useAnalytics'
+import * as api from '@/services/api'
+
+vi.mock('@/services/api')
+
+describe('useAnalytics', () => {
+  beforeEach(() => {
+    vi.clearAllMocks()
+  })
+
+  it('initializes with null data', () => {
+    const { result } = renderHook(() => useAnalytics(null))
+    expect(result.current.data).toBeNull()
+    expect(result.current.isLoading).toBe(false)
+  })
+
+  it('fetches analytics data on mount', async () => {
+    const mockData = {
+      workspace_id: 'ws1',
+      total_days: 25,
+      days_used: 10,
+      days_left: 15,
+      projected_left_at_age_4: 50,
+    }
+
+    vi.mocked(api.getWorkspaceOverview).mockResolvedValue(mockData as any)
+
+    const { result } = renderHook(() => useAnalytics('ws1'))
+
+    await act(async () => {
+      await new Promise((resolve) => setTimeout(resolve, 0))
+    })
+
+    expect(api.getWorkspaceOverview).toHaveBeenCalledWith('ws1')
+  })
+
+  it('handles fetch errors', async () => {
+    vi.mocked(api.getWorkspaceOverview).mockRejectedValue(new Error('API error'))
+
+    const { result } = renderHook(() => useAnalytics('ws1'))
+
+    await act(async () => {
+      await new Promise((resolve) => setTimeout(resolve, 0))
+    })
+
+    expect(result.current.error).toContain('API error')
+  })
+
+  it('does not fetch when workspaceId is null', () => {
+    vi.mocked(api.getWorkspaceOverview).mockResolvedValue({} as any)
+
+    renderHook(() => useAnalytics(null))
+
+    expect(api.getWorkspaceOverview).not.toHaveBeenCalled()
+  })
+
+  it('provides refresh function', async () => {
+    vi.mocked(api.getWorkspaceOverview).mockResolvedValue({} as any)
+
+    const { result } = renderHook(() => useAnalytics('ws1'))
+
+    await act(async () => {
+      await result.current.refresh()
+    })
+
+    expect(api.getWorkspaceOverview).toHaveBeenCalled()
+  })
+})