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[FIX] StoryShots not working for async rendered components #3677

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merged 1 commit into from
Jan 31, 2022
Merged

[FIX] StoryShots not working for async rendered components #3677

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21 changes: 19 additions & 2 deletions __tests__/Storyshots.test.js
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Original file line number Diff line number Diff line change
@@ -1,4 +1,5 @@
import initStoryshots from '@storybook/addon-storyshots';
import initStoryshots, { Stories2SnapsConverter } from '@storybook/addon-storyshots';
import { render } from '@testing-library/react-native';

jest.mock('rn-fetch-blob', () => ({
fs: {
Expand All @@ -19,4 +20,20 @@ jest.mock('react-native-file-viewer', () => ({
jest.mock('../app/lib/database', () => jest.fn(() => null));
global.Date.now = jest.fn(() => new Date('2019-10-10').getTime());

initStoryshots();
const converter = new Stories2SnapsConverter();

// Runner
initStoryshots({
asyncJest: true,
test: ({ story, context, done }) => {
const snapshotFilename = converter.getSnapshotFileName(context);
const storyElement = story.render();
const { update, toJSON } = render(storyElement);
update(storyElement);
setTimeout(() => {
const json = toJSON();
expect(JSON.stringify(json)).toMatchSpecificSnapshot(snapshotFilename);
done();
}, 10);
}
});
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