Current behavior

  it('asd', () => {
    const foo = [{ a: '' }, { a: '2' }, { a: '3' }];
    const wrapper = mount(<div>{foo.map(i => <span key={i.a} />)}</div>);
    expect(wrapper.children().first().key()).toBe('');
  });

results in:

Expected behavior

I expected the test to pass.

Your environment

API

• shallow
• mount
• render

Version

Adapter

• enzyme-adapter-react-16
• enzyme-adapter-react-15
• enzyme-adapter-react-15.4
• enzyme-adapter-react-14
• enzyme-adapter-react-13
• enzyme-adapter-react-helper
• others ( )