test-react-order.js
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import test from 'tape';
import { CLIEngine } from 'eslint';
import eslintrc from '../';
import reactRules from '../rules/react';
const cli = new CLIEngine({
useEslintrc: false,
baseConfig: eslintrc,
// This rule fails when executing on text.
rules: { indent: 0 },
});
function lint(text) {
// @see http://eslint.org/docs/developer-guide/nodejs-api.html#executeonfiles
// @see http://eslint.org/docs/developer-guide/nodejs-api.html#executeontext
return cli.executeOnText(text).results[0];
}
function wrapComponent(body) {
return `
import React from 'react';
export default class MyComponent extends React.Component {
${body}
}
`;
}
test('validate react prop order', t => {
t.test('make sure our eslintrc has React linting dependencies', t => {
t.plan(1);
t.equal(reactRules.plugins[0], 'react', 'uses eslint-plugin-react');
});
t.test('passes a good component', t => {
t.plan(3);
const result = lint(wrapComponent(`
componentWillMount() {}
componentDidMount() {}
setFoo() {}
getFoo() {}
setBar() {}
someMethod() {}
renderDogs() {}
render() { return <div />; }
`));
t.notOk(result.warningCount, 'no warnings');
t.notOk(result.errorCount, 'no errors');
t.deepEquals(result.messages, [], 'no messages in results');
});
t.test('order: when random method is first', t => {
t.plan(2);
const result = lint(wrapComponent(`
someMethod() {}
componentWillMount() {}
componentDidMount() {}
setFoo() {}
getFoo() {}
setBar() {}
renderDogs() {}
render() { return <div />; }
`));
t.ok(result.errorCount, 'fails');
t.equal(result.messages[0].ruleId, 'react/sort-comp', 'fails due to sort');
});
t.test('order: when random method after lifecycle methods', t => {
t.plan(2);
const result = lint(wrapComponent(`
componentWillMount() {}
componentDidMount() {}
someMethod() {}
setFoo() {}
getFoo() {}
setBar() {}
renderDogs() {}
render() { return <div />; }
`));
t.ok(result.errorCount, 'fails');
t.equal(result.messages[0].ruleId, 'react/sort-comp', 'fails due to sort');
});
});