Components using Date objects produce different snapshots in different timezones

Question

I\'m using Enzyme with enzyme-to-json to do Jest snapshot testing of my React components. I\'m testing shallow snapshots of a DateRange component that renders a

Answer 1

I did this by using timezone-mock, it internally replaces the global Date object and it's the easiest solution I could find.

The package supports a few test timezones.

import timezoneMock from 'timezone-mock';

describe('when in PT timezone', () => {
  beforeAll(() => {
    timezoneMock.register('US/Pacific');
  });

  afterAll(() => {
    timezoneMock.unregister();
  });

  // ...

https://www.npmjs.com/package/timezone-mock