#155

frontend/src/pages/materials/MaterialDetailPage.test.tsx

@@ -0,0 +1,86 @@
+import { fireEvent, screen, waitFor } from '@testing-library/react'
+import { Route, Routes } from 'react-router-dom'
+import { beforeEach, describe, expect, it, vi } from 'vitest'
+
+import MaterialDetailPage from '@/pages/materials/MaterialDetailPage'
+import { buildMaterial, buildTag } from '@/test/factories'
+import { renderWithProviders } from '@/test/render'
+
+const api = vi.hoisted (() => ({
+  apiGet: vi.fn (),
+  apiPut: vi.fn (),
+}))
+
+const wikiApi = vi.hoisted (() => ({
+  fetchWikiPages: vi.fn (),
+}))
+
+const toastApi = vi.hoisted (() => ({
+  toast: vi.fn (),
+}))
+
+vi.mock ('@/lib/api', () => api)
+vi.mock ('@/lib/wiki', () => wikiApi)
+vi.mock ('@/components/ui/use-toast', () => toastApi)
+
+const renderPage = () =>
+  renderWithProviders (
+      <Routes>
+        <Route path="/materials/:id" element={<MaterialDetailPage/>}/>
+      </Routes>,
+      { route: '/materials/8' },
+  )
+
+describe ('MaterialDetailPage', () => {
+  beforeEach (() => {
+    vi.clearAllMocks ()
+    api.apiGet.mockResolvedValue ([])
+    wikiApi.fetchWikiPages.mockResolvedValue ([])
+    vi.stubGlobal ('fetch', vi.fn (async () => ({
+      blob: async () => new Blob (['image'], { type: 'image/png' }),
+    })))
+  })
+
+  it ('loads and displays material detail', async () => {
+    api.apiGet.mockResolvedValueOnce (
+        buildMaterial ({
+          id:          8,
+          tag:         buildTag ({ name: '素材タグ' }),
+          file:        'image.png',
+          contentType: 'image/png',
+        }),
+    )
+
+    renderPage ()
+
+    await waitFor (() => {
+      expect (api.apiGet).toHaveBeenCalledWith ('/materials/8')
+    })
+    expect (await screen.findByAltText ('素材タグ')).toHaveAttribute ('src', 'image.png')
+  })
+
+  it ('submits edited material fields', async () => {
+    api.apiGet.mockResolvedValueOnce (
+        buildMaterial ({ id: 8, tag: buildTag ({ name: 'old' }), url: '' }),
+    )
+    api.apiPut.mockResolvedValueOnce (
+        buildMaterial ({ id: 8, tag: buildTag ({ name: 'new' }) }),
+    )
+
+    renderPage ()
+
+    fireEvent.click (await screen.findByText ('編輯'))
+    const textboxes = screen.getAllByRole ('textbox')
+    fireEvent.change (textboxes[0], { target: { value: 'new' } })
+    fireEvent.change (textboxes[1], { target: { value: 'https://example.com/ref' } })
+    fireEvent.click (screen.getByRole ('button', { name: '更新' }))
+
+    await waitFor (() => {
+      expect (api.apiPut).toHaveBeenCalledWith ('/materials/8', expect.any (FormData))
+    })
+    const formData = api.apiPut.mock.calls[0]?.[1] as FormData
+    expect (formData.get ('tag')).toBe ('new')
+    expect (formData.get ('url')).toBe ('https://example.com/ref')
+    expect (toastApi.toast).toHaveBeenCalledWith ({ title: '更新成功!' })
+  })
+})