paste images attachment

src/components/blog/Composer.test.ts

@@ -102,4 +102,81 @@ describe('Composer', () => {
     await waitFor(() => expect(postStatus).toHaveBeenCalledOnce())
     expect(postStatus.mock.calls[0][1].status).toBe('Keyboard-posted entry')
   })
+
+  it('uploads a pasted clipboard image and attaches it to the post', async () => {
+    const pastedImage = new File(['image bytes'], 'pasted-image.png', { type: 'image/png' })
+    const uploadMedia = vi.fn().mockResolvedValue({
+      id: 'pasted-media',
+      type: 'image',
+      url: 'https://media.example/pasted-image.png',
+      preview_url: 'https://media.example/pasted-image-preview.png',
+      description: null,
+    })
+    const postStatus = vi.fn().mockResolvedValue(status())
+    const services = testServices({
+      session: session({
+        token: 'token',
+        me: account(),
+        signedIn: true,
+        instance: {
+          title: 'Test server',
+          version: '1.0.0',
+          configuration: { statuses: { max_media_attachments: 4 } },
+        },
+      }),
+      endpoints: { uploadMedia, postStatus },
+    })
+    const view = render(Composer, {
+      props: { initialText: 'A pasted picture' },
+      context: new Map([[APP_SERVICES, services]]),
+    })
+    const textarea = view.getByRole('textbox', { name: 'Entry text' })
+
+    await fireEvent.paste(textarea, {
+      clipboardData: {
+        items: [
+          {
+            kind: 'file',
+            type: 'image/png',
+            getAsFile: () => pastedImage,
+          },
+        ],
+        files: [pastedImage],
+      },
+    })
+
+    await waitFor(() => expect(uploadMedia).toHaveBeenCalledOnce())
+    expect(uploadMedia.mock.calls[0][1]).toBe(pastedImage)
+    expect(view.container.querySelector('.composer-attachment img')).toHaveAttribute(
+      'src',
+      'https://media.example/pasted-image-preview.png',
+    )
+
+    await fireEvent.click(view.getByRole('button', { name: 'Post Entry' }))
+
+    await waitFor(() => expect(postStatus).toHaveBeenCalledOnce())
+    expect(postStatus.mock.calls[0][1].media_ids).toEqual(['pasted-media'])
+  })
+
+  it('leaves ordinary text-only paste alone', async () => {
+    const uploadMedia = vi.fn()
+    const services = testServices({
+      session: session({ token: 'token', me: account(), signedIn: true }),
+      endpoints: { uploadMedia },
+    })
+    const view = render(Composer, {
+      context: new Map([[APP_SERVICES, services]]),
+    })
+    const textarea = view.getByRole('textbox', { name: 'Entry text' })
+
+    const wasNotCancelled = await fireEvent.paste(textarea, {
+      clipboardData: {
+        items: [{ kind: 'string', type: 'text/plain', getAsFile: () => null }],
+        files: [],
+      },
+    })
+
+    expect(wasNotCancelled).toBe(true)
+    expect(uploadMedia).not.toHaveBeenCalled()
+  })
 })