prepack/test/react/ClassComponents/complex-class-into-functional-root4.js
Dan Abramov 5159b0d832 Make React tests fast (#2187)
Summary:
Currently we have a single giant file with all tests, and a giant snapshot. This is both slow, and hard to work with and iterate on.

In this PR I will refactor our test setup.

- [x] Split it up into multiple files (gets the test running from 45s to 27s)
- [x] Run Prettier on test files
- [x] Split tests further for better performance
- [x] Make it possible to run one test file
- [x] Fix the issue with double test re-runs in watch mode on changes in the test file
- [x] Refactor error handling
- [x] Run Prettier on fixtures
- [x] Add a fast mode with `yarn test-react-fast <Filename>`
- [x] Fix double reruns on failure

Potential followups:
- [x] Figure out why test interruption broke (need https://github.com/facebook/jest/issues/6599 and https://github.com/facebook/jest/issues/6598 fixed)
- [x] Revisit weird things like `this['React']` assignment with a funny comment in every test
Closes https://github.com/facebook/prepack/pull/2187

Differential Revision: D8713639

Pulled By: gaearon

fbshipit-source-id: 5edbfa4e61610ecafff17c0e5e7f84d44cd51168
2018-07-02 11:25:58 -07:00

44 lines
931 B
JavaScript

const React = require("react");
class Child extends React.Component {
constructor() {
super();
this.handleClick = this.handleClick.bind(this);
}
handleClick() {
// works
}
render() {
return (
<div onClick={this.handleClick}>
Numbers: {this.props.x} {this.props.y}
</div>
);
}
}
function App(props) {
let x = [];
for (let i = 0; i < 10; i++) {
x.push(<Child x={10} y={props.y} />);
}
return <div>{x}</div>;
}
App.getTrials = function(renderer, Root) {
let results = [];
renderer.update(<Root y={20} />);
results.push(["render complex class component into functional component", renderer.toJSON()]);
renderer.update(<Root y={40} />);
results.push(["update complex class component into functional component", renderer.toJSON()]);
return results;
};
if (this.__optimizeReactComponentTree) {
__optimizeReactComponentTree(App);
}
module.exports = App;