A React component, for which we are going to write a unit test, using Jest with react-dom/test-utils, so how to change the props to cover componentDidUpdate and componentWillRecieveProps ?
A React component, for which we are going to write a unit test, using Jest with react-dom/test-utils, so how to change the props to cover componentDidUpdate and componentWillRecieveProps ?
https://discuss.reactjs.org/t.
var view = TestUtils.renderIntoDocument(<TestComponent value="abc" />);
// previously
view.setProps({ value: 'newValue' });
expect(view.state.someVal).to.be(someValue);
// now
ReactDOM.render(<TestComponent value="newValue" />, ReactDOM.findDOMNode(view).parentNode);
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