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chaiWrapper.js
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chaiWrapper.js
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/*
* The MIT License (MIT)
*
* Copyright (c) 2015 - present Instructure, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
const runAxeCheck = require('@instructure/ui-axe-check').default
const chai = require('chai')
module.exports = function () {
chai.should()
chai.use(require('sinon-chai'))
chai.use(require('chai-string'))
chai.use(require('chai-enzyme')())
chai.use(function (chai, utils) {
utils.addMethod(chai.Assertion.prototype, 'accessible', function (done, options = {}) {
const obj = utils.flag(this, 'object')
let element = obj
if (typeof obj.getA11yViolations === 'function') {
obj.getA11yViolations(done, options)
} else if (obj instanceof Element) {
runAxeCheck(element, options).then((result) => {
if (result instanceof Error) {
done(result)
} else {
done()
}
}, done)
} else {
done(new Error('[ui-testbed] accessibility check can only run on a single DOM Element!'))
}
})
})
chai.use(require('dirty-chai'))
return chai
}()