/* eslint-env jest */ /** * @fileoverview Enforce html element has lang prop. * @author Ethan Cohen */ // ----------------------------------------------------------------------------- // Requirements // ----------------------------------------------------------------------------- import { RuleTester } from 'eslint'; import parserOptionsMapper from '../../__util__/parserOptionsMapper'; 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: [ { code: '<div />;' }, { code: '<html lang="en" />' }, { code: '<html lang="en-US" />' }, { code: '<html lang={foo} />' }, { code: '<html lang />' }, { code: '<HTML />' }, ].map(parserOptionsMapper), invalid: [ { code: '<html />', errors: [expectedError] }, { code: '<html {...props} />', errors: [expectedError] }, { code: '<html lang={undefined} />', errors: [expectedError] }, ].map(parserOptionsMapper), });