Setup Function for Enzyme Tests

gistfile1.txt

function setup(propOverrides = {}) {
  const defaultProps = {
    onChange: jest.fn(),
    renderBlockContent: jest.fn(),
    value: [{ content: 'Test 1' }, { content: 'Test 2' }]
  };

  const mergedProps = {
    ...defaultProps,
    ...propOverrides
  };

  const wrapper = mount(
    <BlockCollection {...mergedProps} />
  );

  return {
    wrapper,
    mergedProps,
    blockAt: index => wrapper.find('Block').at(index)
  };
}

test('Should allow to expand blocks', () => {
  const { blockAt } = setup();

  expect(blockAt(0).prop('expanded')).toEqual(false);
  expect(blockAt(1).prop('expanded')).toEqual(false);

  blockAt(1).simulate('click');

  expect(blockAt(0).prop('expanded')).toEqual(false);
  expect(blockAt(1).prop('expanded')).toEqual(true);
});