redux-form/src/events/__tests__/createOnDrop.spec.js

A higher order component decorator for forms using Redux and React

import expect, {createSpy} from 'expect';
import createOnDrop from '../createOnDrop';
import {dataKey} from '../createOnDragStart';

describe('createOnDrop', () => {
  it('should return a function', () => {
    expect(createOnDrop())
      .toExist()
      .toBeA('function');
  });

  it('should return a function that calls change with result from getData', () => {
    const change = createSpy();
    const getData = createSpy().andReturn('bar');
    createOnDrop('foo', change)({
      dataTransfer: {getData}
    });
    expect(getData)
      .toHaveBeenCalled()
      .toHaveBeenCalledWith(dataKey);
    expect(change)
      .toHaveBeenCalled()
      .toHaveBeenCalledWith('foo', 'bar');
  });

});