| 1 | /**
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| 2 | * @fileoverview Enforce html element has lang prop.
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| 3 | * @author Ethan Cohen
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| 4 | */
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| 5 |
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| 6 | // -----------------------------------------------------------------------------
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| 7 | // Requirements
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| 8 | // -----------------------------------------------------------------------------
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| 9 |
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| 10 | import { RuleTester } from 'eslint';
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| 11 | import parserOptionsMapper from '../../__util__/parserOptionsMapper';
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| 12 | import parsers from '../../__util__/helpers/parsers';
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| 13 | import rule from '../../../src/rules/html-has-lang';
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| 14 |
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| 15 | // -----------------------------------------------------------------------------
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| 16 | // Tests
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| 17 | // -----------------------------------------------------------------------------
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| 18 |
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| 19 | const ruleTester = new RuleTester();
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| 20 |
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| 21 | const expectedError = {
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| 22 | message: '<html> elements must have the lang prop.',
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| 23 | type: 'JSXOpeningElement',
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| 24 | };
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| 25 |
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| 26 | ruleTester.run('html-has-lang', rule, {
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| 27 | valid: parsers.all([].concat(
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| 28 | { code: '<div />;' },
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| 29 | { code: '<html lang="en" />' },
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| 30 | { code: '<html lang="en-US" />' },
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| 31 | { code: '<html lang={foo} />' },
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| 32 | { code: '<html lang />' },
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| 33 | { code: '<HTML />' },
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| 34 | { code: '<HTMLTop lang="en" />', errors: [expectedError], settings: { 'jsx-a11y': { components: { HTMLTop: 'html' } } } },
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| 35 | )).map(parserOptionsMapper),
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| 36 | invalid: parsers.all([].concat(
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| 37 | { code: '<html />', errors: [expectedError] },
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| 38 | { code: '<html {...props} />', errors: [expectedError] },
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| 39 | { code: '<html lang={undefined} />', errors: [expectedError] },
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| 40 | { code: '<HTMLTop />', errors: [expectedError], settings: { 'jsx-a11y': { components: { HTMLTop: 'html' } } } },
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| 41 | )).map(parserOptionsMapper),
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| 42 | });
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