eslint-plugin-jsx-a11y
Version:
Static AST checker for accessibility rules on JSX elements.
43 lines (36 loc) • 1.59 kB
JavaScript
/**
* @fileoverview Enforce html element has lang prop.
* @author Ethan Cohen
*/
// -----------------------------------------------------------------------------
// Requirements
// -----------------------------------------------------------------------------
import { RuleTester } from 'eslint';
import parserOptionsMapper from '../../__util__/parserOptionsMapper';
import parsers from '../../__util__/helpers/parsers';
import rule from '../../../src/rules/html-has-lang';
// -----------------------------------------------------------------------------
// Tests
// -----------------------------------------------------------------------------
const ruleTester = new RuleTester();
const expectedError = {
message: '<html> elements must have the lang prop.',
type: 'JSXOpeningElement',
};
ruleTester.run('html-has-lang', rule, {
valid: parsers.all([].concat(
{ code: '<div />;' },
{ code: '<html lang="en" />' },
{ code: '<html lang="en-US" />' },
{ code: '<html lang={foo} />' },
{ code: '<html lang />' },
{ code: '<HTML />' },
{ code: '<HTMLTop lang="en" />', errors: [expectedError], settings: { 'jsx-a11y': { components: { HTMLTop: 'html' } } } },
)).map(parserOptionsMapper),
invalid: parsers.all([].concat(
{ code: '<html />', errors: [expectedError] },
{ code: '<html {...props} />', errors: [expectedError] },
{ code: '<html lang={undefined} />', errors: [expectedError] },
{ code: '<HTMLTop />', errors: [expectedError], settings: { 'jsx-a11y': { components: { HTMLTop: 'html' } } } },
)).map(parserOptionsMapper),
});