Rocket.Chat.ReactNative/app/lib/methods/isImageBase64.test.ts

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import { isImageBase64 } from './isImageBase64';
// We aren't testing the content, only the header
const base64 =
'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAKkAAADcCAIAAACEWBYKAAAAA3NCSVQICAjb4U/gAAAgAElEQVR4nO29aZAc13WoeXOtrMza967qHd1ooAGRBLQNTcnUxmHMmPo3CjvGEdZo7PAP/fDzs2fscbw/Hr14EYrwNhMeWZbMkCY0YZJiaB4FkwxRFkiAIgACDZAAutFbVXft+55Vua/z40g9EJaWWN0Al8rvR0d1Va735M177jnnnoPZto0cxhL8/b4Ah/cNR/bjiyP78cWR/fjiyH58cWQ/vjiyH18c2Y8vjuzHF0f244sj+/HFkf344sh+fHFkP76MLntLkg/xOhwePiPK3pKV0vLTpf/+fxy8fp4/e07e2PpN9lJ3c3d+s5P9lcOKkt5q37GN3myZojjadTrsw4iyx90M8z8';
describe('Test the isImageBase64', () => {
it.each([
['test', false],
['/file-upload/oTQmb2zRCsYF4pdHv/help-image-url.png', false],
[base64, true]
])('return properly the boolean', (data, res) => {
const result = isImageBase64(data);
expect(result).toBe(res);
});
});