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‎bin/accessibility-automation/constants.js‎

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exports.API_URL = 'https://accessibility.browserstack.com/api';

‎bin/accessibility-automation/cypress/index.js‎

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/* Event listeners + custom commands for Cypress */
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const browserStackLog = (message) => {
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if (!Cypress.env('BROWSERSTACK_LOGS')) return;
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cy.task('browserstack_log', message);
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}
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const commandsToWrap = ['visit', 'click', 'type', 'request', 'dblclick', 'rightclick', 'clear', 'check', 'uncheck', 'select', 'trigger', 'selectFile', 'scrollIntoView', 'scroll', 'scrollTo', 'blur', 'focus', 'go', 'reload', 'submit', 'viewport', 'origin'];
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const performScan = (win, payloadToSend) =>
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new Promise(async (resolve, reject) => {
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const isHttpOrHttps = /^(http|https):$/.test(win.location.protocol);
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if (!isHttpOrHttps) {
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resolve();
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}
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function findAccessibilityAutomationElement() {
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return win.document.querySelector("#accessibility-automation-element");
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}
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function waitForScannerReadiness(retryCount = 30, retryInterval = 100) {
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return new Promise(async (resolve, reject) => {
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let count = 0;
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const intervalID = setInterval(async () => {
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if (count > retryCount) {
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clearInterval(intervalID);
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reject(
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new Error(
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"Accessibility Automation Scanner is not ready on the page."
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)
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);
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} else if (findAccessibilityAutomationElement()) {
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clearInterval(intervalID);
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resolve("Scanner set");
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} else {
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count += 1;
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}
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}, retryInterval);
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});
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}
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function startScan() {
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function onScanComplete() {
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win.removeEventListener("A11Y_SCAN_FINISHED", onScanComplete);
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resolve();
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}
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win.addEventListener("A11Y_SCAN_FINISHED", onScanComplete);
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const e = new CustomEvent("A11Y_SCAN", { detail: payloadToSend });
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win.dispatchEvent(e);
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}
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if (findAccessibilityAutomationElement()) {
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startScan();
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} else {
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waitForScannerReadiness()
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.then(startScan)
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.catch(async (err) => {
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resolve("Scanner is not ready on the page after multiple retries. performscan");
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});
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}
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})
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const getAccessibilityResultsSummary = (win) =>
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new Promise((resolve) => {
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const isHttpOrHttps = /^(http|https):$/.test(window.location.protocol);
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if (!isHttpOrHttps) {
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resolve();
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}
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function findAccessibilityAutomationElement() {
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return win.document.querySelector("#accessibility-automation-element");
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}
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function waitForScannerReadiness(retryCount = 30, retryInterval = 100) {
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return new Promise((resolve, reject) => {
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let count = 0;
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const intervalID = setInterval(() => {
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if (count > retryCount) {
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clearInterval(intervalID);
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reject(
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new Error(
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"Accessibility Automation Scanner is not ready on the page."
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)
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);
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} else if (findAccessibilityAutomationElement()) {
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clearInterval(intervalID);
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resolve("Scanner set");
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} else {
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count += 1;
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}
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}, retryInterval);
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});
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}
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function getSummary() {
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function onReceiveSummary(event) {
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win.removeEventListener("A11Y_RESULTS_SUMMARY", onReceiveSummary);
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resolve(event.detail);
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}
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win.addEventListener("A11Y_RESULTS_SUMMARY", onReceiveSummary);
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const e = new CustomEvent("A11Y_GET_RESULTS_SUMMARY");
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win.dispatchEvent(e);
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}
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if (findAccessibilityAutomationElement()) {
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getSummary();
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} else {
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waitForScannerReadiness()
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.then(getSummary)
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.catch((err) => {
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resolve();
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});
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}
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})
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const getAccessibilityResults = (win) =>
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new Promise((resolve) => {
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const isHttpOrHttps = /^(http|https):$/.test(window.location.protocol);
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if (!isHttpOrHttps) {
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resolve();
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}
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function findAccessibilityAutomationElement() {
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return win.document.querySelector("#accessibility-automation-element");
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}
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function waitForScannerReadiness(retryCount = 30, retryInterval = 100) {
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return new Promise((resolve, reject) => {
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let count = 0;
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const intervalID = setInterval(() => {
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if (count > retryCount) {
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clearInterval(intervalID);
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reject(
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new Error(
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"Accessibility Automation Scanner is not ready on the page."
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)
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);
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} else if (findAccessibilityAutomationElement()) {
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clearInterval(intervalID);
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resolve("Scanner set");
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} else {
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count += 1;
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}
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}, retryInterval);
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});
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}
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function getResults() {
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function onReceivedResult(event) {
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win.removeEventListener("A11Y_RESULTS_RESPONSE", onReceivedResult);
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resolve(event.detail);
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}
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win.addEventListener("A11Y_RESULTS_RESPONSE", onReceivedResult);
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const e = new CustomEvent("A11Y_GET_RESULTS");
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win.dispatchEvent(e);
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}
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if (findAccessibilityAutomationElement()) {
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getResults();
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} else {
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waitForScannerReadiness()
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.then(getResults)
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.catch((err) => {
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resolve();
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});
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}
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});
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const saveTestResults = (win, payloadToSend) =>
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new Promise( (resolve, reject) => {
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try {
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const isHttpOrHttps = /^(http|https):$/.test(win.location.protocol);
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if (!isHttpOrHttps) {
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resolve("Unable to save accessibility results, Invalid URL.");
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}
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function findAccessibilityAutomationElement() {
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return win.document.querySelector("#accessibility-automation-element");
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}
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function waitForScannerReadiness(retryCount = 30, retryInterval = 100) {
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return new Promise((resolve, reject) => {
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let count = 0;
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const intervalID = setInterval(async () => {
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if (count > retryCount) {
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clearInterval(intervalID);
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reject(
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new Error(
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"Accessibility Automation Scanner is not ready on the page."
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)
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);
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} else if (findAccessibilityAutomationElement()) {
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clearInterval(intervalID);
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resolve("Scanner set");
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} else {
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count += 1;
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}
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}, retryInterval);
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});
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}
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function saveResults() {
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function onResultsSaved(event) {
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resolve();
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}
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win.addEventListener("A11Y_RESULTS_SAVED", onResultsSaved);
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const e = new CustomEvent("A11Y_SAVE_RESULTS", {
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detail: payloadToSend,
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});
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win.dispatchEvent(e);
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}
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if (findAccessibilityAutomationElement()) {
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saveResults();
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} else {
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waitForScannerReadiness()
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.then(saveResults)
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.catch(async (err) => {
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resolve("Scanner is not ready on the page after multiple retries. after run");
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});
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}
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} catch(er) {
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resolve()
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}
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})
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const shouldScanForAccessibility = (attributes) => {
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if (Cypress.env("IS_ACCESSIBILITY_EXTENSION_LOADED") !== "true") return false;
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const extensionPath = Cypress.env("ACCESSIBILITY_EXTENSION_PATH");
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const isHeaded = Cypress.browser.isHeaded;
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if (!isHeaded || (extensionPath === undefined)) return false;
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let shouldScanTestForAccessibility = true;
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if (Cypress.env("INCLUDE_TAGS_FOR_ACCESSIBILITY") || Cypress.env("EXCLUDE_TAGS_FOR_ACCESSIBILITY")) {
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try {
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let includeTagArray = [];
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let excludeTagArray = [];
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if (Cypress.env("INCLUDE_TAGS_FOR_ACCESSIBILITY")) {
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includeTagArray = Cypress.env("INCLUDE_TAGS_FOR_ACCESSIBILITY").split(";")
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}
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if (Cypress.env("EXCLUDE_TAGS_FOR_ACCESSIBILITY")) {
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excludeTagArray = Cypress.env("EXCLUDE_TAGS_FOR_ACCESSIBILITY").split(";")
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}
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const fullTestName = attributes.title;
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const excluded = excludeTagArray.some((exclude) => fullTestName.includes(exclude));
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const included = includeTagArray.length === 0 || includeTags.some((include) => fullTestName.includes(include));
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shouldScanTestForAccessibility = !excluded && included;
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} catch (error) {
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browserStackLog("Error while validating test case for accessibility before scanning. Error : ", error);
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}
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}
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return shouldScanTestForAccessibility;
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}
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Cypress.on('command:start', async (command) => {
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if(!command || !command.attributes) return;
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if(command.attributes.name == 'window' || command.attributes.name == 'then' || command.attributes.name == 'wrap') {
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return;
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}
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if (!commandsToWrap.includes(command.attributes.name)) return;
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const attributes = Cypress.mocha.getRunner().suite.ctx.currentTest || Cypress.mocha.getRunner().suite.ctx._runnable;
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let shouldScanTestForAccessibility = shouldScanForAccessibility(attributes);
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if (!shouldScanTestForAccessibility) return;
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cy.window().then((win) => {
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browserStackLog('Performing scan form command ' + command.attributes.name);
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cy.wrap(performScan(win, {method: command.attributes.name}), {timeout: 30000});
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})
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})
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afterEach(() => {
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const attributes = Cypress.mocha.getRunner().suite.ctx.currentTest;
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cy.window().then(async (win) => {
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let shouldScanTestForAccessibility = shouldScanForAccessibility(attributes);
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if (!shouldScanTestForAccessibility) return cy.wrap({});
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cy.wrap(performScan(win), {timeout: 30000}).then(() => {
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try {
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let os_data;
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if (Cypress.env("OS")) {
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os_data = Cypress.env("OS");
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} else {
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os_data = Cypress.platform === 'linux' ? 'mac' : "win"
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}
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let filePath = '';
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if (attributes.invocationDetails !== undefined && attributes.invocationDetails.relativeFile !== undefined) {
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filePath = attributes.invocationDetails.relativeFile;
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}
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const payloadToSend = {
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"saveResults": shouldScanTestForAccessibility,
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"testDetails": {
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"name": attributes.title,
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"testRunId": '5058', // variable not consumed, shouldn't matter what we send
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"filePath": filePath,
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"scopeList": [
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filePath,
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attributes.title
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]
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},
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"platform": {
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"os_name": os_data,
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"os_version": Cypress.env("OS_VERSION"),
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"browser_name": Cypress.browser.name,
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"browser_version": Cypress.browser.version
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}
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};
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browserStackLog(`Saving accessibility test results`);
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cy.wrap(saveTestResults(win, payloadToSend), {timeout: 30000}).then(() => {
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browserStackLog(`Saved accessibility test results`);
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})
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} catch (er) {
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}
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})
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});
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})
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Cypress.Commands.add('performScan', () => {
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try {
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const attributes = Cypress.mocha.getRunner().suite.ctx.currentTest || Cypress.mocha.getRunner().suite.ctx._runnable;
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const shouldScanTestForAccessibility = shouldScanForAccessibility(attributes);
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if (!shouldScanTestForAccessibility) {
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browserStackLog(`Not a Accessibility Automation session, cannot perform scan.`);
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return cy.wrap({});
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}
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cy.window().then(async (win) => {
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browserStackLog(`Performing accessibility scan`);
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await performScan(win);
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});
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} catch {}
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})
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Cypress.Commands.add('getAccessibilityResultsSummary', () => {
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try {
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const attributes = Cypress.mocha.getRunner().suite.ctx.currentTest || Cypress.mocha.getRunner().suite.ctx._runnable;
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const shouldScanTestForAccessibility = shouldScanForAccessibility(attributes);
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if (!shouldScanTestForAccessibility) {
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browserStackLog(`Not a Accessibility Automation session, cannot retrieve Accessibility results summary.`);
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return cy.wrap({});
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}
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cy.window().then(async (win) => {
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await performScan(win);
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browserStackLog('Getting accessibility results summary');
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return await getAccessibilityResultsSummary(win);
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});
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} catch {}
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});
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Cypress.Commands.add('getAccessibilityResults', () => {
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try {
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const attributes = Cypress.mocha.getRunner().suite.ctx.currentTest || Cypress.mocha.getRunner().suite.ctx._runnable;
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const shouldScanTestForAccessibility = shouldScanForAccessibility(attributes);
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if (!shouldScanTestForAccessibility) {
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browserStackLog(`Not a Accessibility Automation session, cannot retrieve Accessibility results.`);
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return cy.wrap({});
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}
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/* browserstack_accessibility_automation_script */
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cy.window().then(async (win) => {
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await performScan(win);
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browserStackLog('Getting accessibility results');
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return await getAccessibilityResults(win);
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});
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} catch {}
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});

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