| /* eslint-env jest */ |
| /** |
| * @fileoverview Enforce explicit role property is not the |
| * same as implicit default role property on element. |
| * @author Ethan Cohen <@evcohen> |
| */ |
| |
| // ----------------------------------------------------------------------------- |
| // Requirements |
| // ----------------------------------------------------------------------------- |
| |
| import { RuleTester } from 'eslint'; |
| import parserOptionsMapper from '../../__util__/parserOptionsMapper'; |
| import rule from '../../../src/rules/no-redundant-roles'; |
| import ruleOptionsMapperFactory from '../../__util__/ruleOptionsMapperFactory'; |
| |
| // ----------------------------------------------------------------------------- |
| // Tests |
| // ----------------------------------------------------------------------------- |
| |
| const ruleTester = new RuleTester(); |
| |
| const expectedError = (element, implicitRole) => ({ |
| message: `The element ${element} has an implicit role of ${implicitRole}. Defining this explicitly is redundant and should be avoided.`, |
| type: 'JSXOpeningElement', |
| }); |
| |
| const ruleName = 'jsx-a11y/no-redundant-roles'; |
| |
| const alwaysValid = [ |
| { code: '<div />;' }, |
| { code: '<button role="main" />' }, |
| { code: '<MyComponent role="button" />' }, |
| { code: '<button role={`${foo}button`} />' }, |
| ]; |
| |
| const neverValid = [ |
| { code: '<button role="button" />', errors: [expectedError('button', 'button')] }, |
| { code: '<body role="DOCUMENT" />', errors: [expectedError('body', 'document')] }, |
| ]; |
| |
| ruleTester.run(`${ruleName}:recommended`, rule, { |
| valid: [ |
| ...alwaysValid, |
| { code: '<nav role="navigation" />' }, |
| ] |
| .map(parserOptionsMapper), |
| invalid: neverValid |
| .map(parserOptionsMapper), |
| }); |
| |
| const noNavExceptionsOptions = { nav: [] }; |
| |
| ruleTester.run(`${ruleName}:recommended`, rule, { |
| valid: alwaysValid |
| .map(ruleOptionsMapperFactory(noNavExceptionsOptions)) |
| .map(parserOptionsMapper), |
| invalid: [ |
| ...neverValid, |
| { code: '<nav role="navigation" />', errors: [expectedError('nav', 'navigation')] }, |
| ] |
| .map(ruleOptionsMapperFactory(noNavExceptionsOptions)) |
| .map(parserOptionsMapper), |
| }); |
