#434

frontend/src/pages/CountsResourcePage.test.tsx

@@ -26,7 +26,6 @@ const renderPage = (extra = '') => renderWithProviders (<>
 </>, { route: `/ja/counts/posts?mode=details&timezone=UTC${extra}` })
 
 beforeEach (() => {
-  vi.spyOn (HTMLCanvasElement.prototype, 'getContext').mockReturnValue (null)
   fetchCounts.mockReset ().mockResolvedValue (detailResult)
   fetchCountsDefinition.mockReset ().mockResolvedValue (postDefinition)
 })
@@ -104,4 +103,22 @@ describe ('Counts execution and URL state', () => {
     expect (await screen.findByRole ('alert')).toHaveTextContent ('73')
     expect (screen.getByRole ('alert')).toHaveTextContent ('列数が上限')
   })
+  it ('can execute after an initial column-limit failure with no execution timestamp', async () => {
+    fetchCounts.mockRejectedValueOnce ({ isAxiosError: true,
+        response: { status: 422, data: { error: 'too_many_columns', max_columns: 73 } } })
+    renderPage ()
+    await screen.findByRole ('alert')
+    execute ()
+    await screen.findByText ('Recorded title')
+    await waitFor (() => expect (currentParams ().get ('execution_at')).toBe (executionAt))
+    expect (fetchCounts).toHaveBeenCalledTimes (2)
+  })
+
+  it ('keeps the page heading and common site title consistent', async () => {
+    renderPage ()
+    await screen.findByText ('Recorded title')
+    await waitFor (() => expect (document.title).toContain ('広場集計 | '))
+    expect (screen.getByRole ('heading', { name: '広場集計' })).toBeInTheDocument ()
+  })
+
 })