#399

frontend/src/pages/posts/PostImportSourcePage.test.tsx

@@ -0,0 +1,92 @@
+import { fireEvent, screen, waitFor } from '@testing-library/react'
+import { beforeEach, describe, expect, it, vi } from 'vitest'
+
+import PostImportSourcePage from '@/pages/posts/PostImportSourcePage'
+import { buildUser } from '@/test/factories'
+import { buildPostImportRow } from '@/test/postImportFactories'
+import { renderWithProviders } from '@/test/render'
+
+const api = vi.hoisted (() => ({
+  apiPost: vi.fn (),
+  isApiError: vi.fn () }))
+
+const router = vi.hoisted (() => ({ navigate: vi.fn () }))
+
+const toastApi = vi.hoisted (() => ({ toast: vi.fn () }))
+
+vi.mock ('@/lib/api', () => api)
+vi.mock ('@/components/ui/use-toast', () => toastApi)
+vi.mock ('react-router-dom', async importOriginal => ({
+  ...await importOriginal<typeof import('react-router-dom')> (),
+  useNavigate: () => router.navigate }))
+
+describe ('PostImportSourcePage', () => {
+  beforeEach (() => {
+    sessionStorage.clear ()
+    vi.clearAllMocks ()
+    api.isApiError.mockReturnValue (false)
+  })
+
+  it ('shows no empty error initially and validates only after Next is pressed', () => {
+    renderWithProviders (<PostImportSourcePage user={buildUser ()}/>)
+
+    expect (screen.queryByText ('URL を入力してください．')).not.toBeInTheDocument ()
+    fireEvent.click (screen.getByRole ('button', { name: '次へ' }))
+    expect (screen.getByText ('URL を入力してください．')).toBeInTheDocument ()
+    expect (api.apiPost).not.toHaveBeenCalled ()
+  })
+
+  it ('shows frontend URL issues with line numbers without requesting preview', () => {
+    renderWithProviders (<PostImportSourcePage user={buildUser ()}/>)
+    const input = screen.getByRole ('textbox', { name: '' })
+
+    fireEvent.change (input, {
+      target: { value: '\nftp://example.com/file\nhttps://example.com/valid' } })
+    expect (screen.queryByText (/2 行目/)).not.toBeInTheDocument ()
+    fireEvent.click (screen.getByRole ('button', { name: '次へ' }))
+
+    expect (screen.getByText (/2 行目: HTTP または HTTPS/)).toBeInTheDocument ()
+    expect (screen.getByText ('ftp://example.com/file')).toBeInTheDocument ()
+    expect (input).toHaveAttribute ('aria-invalid', 'true')
+    expect (input.getAttribute ('aria-describedby')).toContain ('post-import-source-issues')
+    expect (api.apiPost).not.toHaveBeenCalled ()
+  })
+
+  it ('shows backend URL errors against original input without a session', async () => {
+    api.apiPost.mockResolvedValue ({
+      rows: [buildPostImportRow ({
+	sourceRow: 2,
+	url: 'https://example.com/canonical',
+	status: 'error',
+	validationErrors: { url: ['URL が重複しています．'] } })] })
+    renderWithProviders (<PostImportSourcePage user={buildUser ()}/>)
+
+    fireEvent.change (screen.getByRole ('textbox', { name: '' }), {
+      target: { value: '\nhttps://example.com/original' } })
+    fireEvent.click (screen.getByRole ('button', { name: '次へ' }))
+
+    expect (await screen.findByText ('2 行目: URL が重複しています．')).toBeInTheDocument ()
+    expect (screen.getAllByText ('https://example.com/original')).toHaveLength (2)
+    expect (router.navigate).not.toHaveBeenCalled ()
+    expect (Array.from ({ length: sessionStorage.length }, (_, index) =>
+	sessionStorage.key (index))).not.toContainEqual(
+	    expect.stringMatching (/^post-import-session:/))
+  })
+
+  it ('stores a successful preview before navigating to the review route', async () => {
+    api.apiPost.mockResolvedValue ({ rows: [buildPostImportRow ()] })
+    renderWithProviders (<PostImportSourcePage user={buildUser ()}/>)
+
+    fireEvent.change (screen.getByRole ('textbox', { name: '' }), {
+      target: { value: 'https://example.com/post' } })
+    fireEvent.click (screen.getByRole ('button', { name: '次へ' }))
+
+    await waitFor (() => {
+      expect (router.navigate).toHaveBeenCalledWith (
+	  expect.stringMatching (/^\/posts\/import\/[^/]+\/review$/))
+    })
+    const sessionKeys = Array.from ({ length: sessionStorage.length }, (_, index) =>
+	sessionStorage.key (index)).filter (_1 => _1?.startsWith ('post-import-session:'))
+    expect (sessionKeys).toHaveLength (1)
+  })
+})