nightwatch
Version:
Easy to use Node.js based end-to-end testing solution for web applications using the W3C WebDriver API.
46 lines (45 loc) • 1.89 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
/**
* Check if an element's attribute value matches a regular expression.
*
* @example
* this.demoTest = function (browser) {
* browser.assert.attributeMatches('body', 'data-attr', '(value)');
* };
*
* @method assert.attributeMatches
* @param {string|object} definition The selector (CSS/Xpath) used to locate the element. Can either be a string or an object which specifies [element properties](https://nightwatchjs.org/guide#element-properties).
* @param {string} attribute The attribute name
* @param {string|RegExp} regexExpression Regex expression to match attribute value.
* @param {string} [msg] Optional log message to display in the output. If missing, one is displayed by default.
* @api assertions
*/
const { setElementSelectorProps } = require('../../utils');
exports.assertion = function (definition, attribute, regexExpression, msg) {
this.options = {
elementSelector: true
};
this.expected = function () {
return this.negate ? `does not matches '${regexExpression}'` : `matches '${regexExpression}'`;
};
this.formatMessage = function () {
const message = msg || `Testing if attribute %s of element %s ${this.negate ? 'doesn\'t matches %s' : 'matches %s'}`;
return {
message,
args: [`'${attribute}'`, this.elementSelector, `'${regexExpression}'`]
};
};
this.evaluate = function (value) {
const regex = value instanceof RegExp ? value : new RegExp(regexExpression);
return regex.test(value);
};
this.value = function (result = {}) {
return result.value || '';
};
this.command = function (callback) {
this.api.getAttribute(setElementSelectorProps(definition, {
suppressNotFoundErrors: true
}), attribute, callback);
};
};