all files / src/events/__tests__/ createOnFocus.spec.js

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import expect, {createSpy} from 'expect';
import createOnFocus from '../createOnFocus';
 
describe('createOnFocus', () => {
  it('should return a function', () => {
    expect(createOnFocus())
      .toExist()
      .toBeA('function');
  });
 
  it('should return a function that calls focus with name', () => {
    const focus = createSpy();
    createOnFocus('foo', focus)();
    expect(focus)
      .toHaveBeenCalled()
      .toHaveBeenCalledWith('foo');
  });
 
});