react-testing-4.js

react-testing-4.js

export class Subscription extends Component {
  state = {
    email: ''
  };

  render() {
    return (
      ...
        <MarketingContent logo={logo}/>
        <EmailInput onChange={(email) => this.onEmailChange(email)}/>
        <SubmitButton onSubmit={() => this.onSubmit}/>
      ...
    )
  }

  onEmailChange(email) {
    this.setState({email});
  }

  onSubmit() {
    this.props.subcribe({email: this.state.email});
  }
}