home1022

2025-10-22 08:19:00 +08:00
parent 467b04e5b0
commit 97fbfe08d7
6040 changed files with 529099 additions and 9685 deletions
@@ -0,0 +1,132 @@
+import test from 'tape';
+import { CLIEngine, ESLint } from 'eslint';
+import eslintrc from '..';
+import reactRules from '../rules/react';
+import reactA11yRules from '../rules/react-a11y';
+
+const rules = {
+  // It is okay to import devDependencies in tests.
+  'import/no-extraneous-dependencies': [2, { devDependencies: true }],
+  // this doesn't matter for tests
+  'lines-between-class-members': 0,
+  // otherwise we need some junk in our fixture code
+  'react/no-unused-class-component-methods': 0,
+};
+const cli = new (CLIEngine || ESLint)({
+  useEslintrc: false,
+  baseConfig: eslintrc,
+  ...(CLIEngine ? { rules } : { overrideConfig: { rules } }),
+});
+
+async function lint(text) {
+  // @see https://eslint.org/docs/developer-guide/nodejs-api.html#executeonfiles
+  // @see https://eslint.org/docs/developer-guide/nodejs-api.html#executeontext
+  const linter = CLIEngine ? cli.executeOnText(text) : await cli.lintText(text);
+  return (CLIEngine ? linter.results : linter)[0];
+}
+
+function wrapComponent(body) {
+  return `\
+import React from 'react';
+
+export default class MyComponent extends React.Component {
+/* eslint no-empty-function: 0, class-methods-use-this: 0 */
+${body}}
+`;
+}
+
+test('validate react methods order', (t) => {
+  t.test('make sure our eslintrc has React and JSX linting dependencies', (t) => {
+    t.plan(2);
+    t.deepEqual(reactRules.plugins, ['react']);
+    t.deepEqual(reactA11yRules.plugins, ['jsx-a11y', 'react']);
+  });
+
+  t.test('passes a good component', async (t) => {
+    const result = await lint(wrapComponent(`
+  componentDidMount() {}
+  handleSubmit() {}
+  onButtonAClick() {}
+  setFoo() {}
+  getFoo() {}
+  setBar() {}
+  someMethod() {}
+  renderDogs() {}
+  render() { return <div />; }
+`));
+
+    t.notOk(result.warningCount, 'no warnings');
+    t.deepEquals(result.messages, [], 'no messages in results');
+    t.notOk(result.errorCount, 'no errors');
+  });
+
+  t.test('order: when random method is first', async (t) => {
+    const result = await lint(wrapComponent(`
+  someMethod() {}
+  componentDidMount() {}
+  setFoo() {}
+  getFoo() {}
+  setBar() {}
+  renderDogs() {}
+  render() { return <div />; }
+`));
+
+    t.ok(result.errorCount, 'fails');
+    t.deepEqual(result.messages.map((msg) => msg.ruleId), ['react/sort-comp'], 'fails due to sort');
+  });
+
+  t.test('order: when random method after lifecycle methods', async (t) => {
+    const result = await lint(wrapComponent(`
+  componentDidMount() {}
+  someMethod() {}
+  setFoo() {}
+  getFoo() {}
+  setBar() {}
+  renderDogs() {}
+  render() { return <div />; }
+`));
+
+    t.ok(result.errorCount, 'fails');
+    t.deepEqual(result.messages.map((msg) => msg.ruleId), ['react/sort-comp'], 'fails due to sort');
+  });
+
+  t.test('order: when handler method with `handle` prefix after method with `on` prefix', async (t) => {
+    const result = await lint(wrapComponent(`
+  componentDidMount() {}
+  onButtonAClick() {}
+  handleSubmit() {}
+  setFoo() {}
+  getFoo() {}
+  render() { return <div />; }
+`));
+
+    t.ok(result.errorCount, 'fails');
+    t.deepEqual(result.messages.map((msg) => msg.ruleId), ['react/sort-comp'], 'fails due to sort');
+  });
+
+  t.test('order: when lifecycle methods after event handler methods', async (t) => {
+    const result = await lint(wrapComponent(`
+  handleSubmit() {}
+  componentDidMount() {}
+  setFoo() {}
+  getFoo() {}
+  render() { return <div />; }
+`));
+
+    t.ok(result.errorCount, 'fails');
+    t.deepEqual(result.messages.map((msg) => msg.ruleId), ['react/sort-comp'], 'fails due to sort');
+  });
+
+  t.test('order: when event handler methods after getters and setters', async (t) => {
+    const result = await lint(wrapComponent(`
+  componentDidMount() {}
+  setFoo() {}
+  getFoo() {}
+  handleSubmit() {}
+  render() { return <div />; }
+`));
+
+    t.ok(result.errorCount, 'fails');
+    t.deepEqual(result.messages.map((msg) => msg.ruleId), ['react/sort-comp'], 'fails due to sort');
+  });
+});