A method that unmounts the component. This can be used to simulate a component going through an unmount/mount lifecycle.
ReactWrapper
: Returns itself.
import PropTypes from 'prop-types';
import sinon from 'sinon';
const willMount = sinon.spy();
const didMount = sinon.spy();
const willUnmount = sinon.spy();
class Foo extends React.Component {
constructor(props) {
super(props);
this.componentWillUnmount = willUnmount;
this.componentWillMount = willMount;
this.componentDidMount = didMount;
}
render() {
const { id } = this.props;
return (
<div className={id}>
{id}
</div>
);
}
}
Foo.propTypes = {
id: PropTypes.string.isRequired,
};
const wrapper = mount(<Foo id="foo" />);
expect(willMount).to.have.property('callCount', 1);
expect(didMount).to.have.property('callCount', 1);
expect(willUnmount).to.have.property('callCount', 0);
wrapper.unmount();
expect(willMount).to.have.property('callCount', 1);
expect(didMount).to.have.property('callCount', 1);
expect(willUnmount).to.have.property('callCount', 1);