wix-style-react/dist/es/test/utils/eyes-it.spec.js

wix-style-react

import eyes from 'eyes.it';
import { eyesItInstance } from './eyes-it';

jest.mock('eyes.it');

describe('eyesItInstance', function () {
  it('should call the original module with default config', function () {
    var instance = eyesItInstance();
    var fn = jest.fn();

    instance.it('should do something', fn);

    expect(eyes.it).toHaveBeenCalledWith('should do something', fn, {
      enableSnapshotAtBrowserGet: false
    });
  });

  it('should call the original module with predefined config', function () {
    var instance = eyesItInstance({ myConfigField: 'value' });
    var fn = jest.fn();

    instance.it('should do something', fn);

    expect(eyes.it).toHaveBeenCalledWith('should do something', fn, expect.objectContaining({
      myConfigField: 'value'
    }));
  });

  it('should allow overriding default config', function () {
    var instance = eyesItInstance({
      myConfigField: 'value',
      enableSnapshotAtBrowserGet: true
    });
    var fn = jest.fn();

    instance.it('should do something', fn);

    expect(eyes.it).toHaveBeenCalledWith('should do something', fn, {
      myConfigField: 'value',
      enableSnapshotAtBrowserGet: true
    });
  });

  it('should merge test-specific config', function () {
    var instance = eyesItInstance({ myConfigField: 'value' });
    var fn = jest.fn();

    instance.it('should do something', fn, { myAnotherConfigField: 'value' });

    expect(eyes.it).toHaveBeenCalledWith('should do something', fn, expect.objectContaining({
      myConfigField: 'value',
      myAnotherConfigField: 'value'
    }));
  });
});