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notifications-admin/tests/javascripts/cookieMessage.test.js

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Add JS tests for analytics & cookies JS Includes: - tests for the analytics interface ported from GOVUK Frontend Toolkit - tests for the cookie banner that appears on all pages except the cookies page - tests for the cookies page JS - tests for the hasConsentFor function - adding a deleteCookie helper to remove cookies during tests - polyfill for insertAdjacentText The last one is because JSDOM doesn't support insertAdjacentText but our target browsers do. This polyfill also includes one for insertAdjacentHTML.
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const helpers = require('./support/helpers');
beforeAll(() => {
require('../../app/assets/javascripts/govuk/cookie-functions.js');
require('../../app/assets/javascripts/analytics/analytics.js');
require('../../app/assets/javascripts/analytics/init.js');
require('../../app/assets/javascripts/cookieMessage.js');
});
afterAll(() => {
require('./support/teardown.js');
});
describe("Cookie message", () => {
let cookieMessage;
beforeAll(() => {
Default the cookie banner to be hidden It should only be shown if JS is available and the cookieMessage JS finds consent has not been set.
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const cookieMessageStyles = document.createElement('style');
// add the CSS that hides the cookie message by default
cookieMessageStyles.textContent = '.notify-cookie-banner { display: none; }';
document.getElementsByTagName('head')[0].appendChild(cookieMessageStyles);
// protect against any previous tests setting a cookies-policy cookie
Add JS tests for analytics & cookies JS Includes: - tests for the analytics interface ported from GOVUK Frontend Toolkit - tests for the cookie banner that appears on all pages except the cookies page - tests for the cookies page JS - tests for the hasConsentFor function - adding a deleteCookie helper to remove cookies during tests - polyfill for insertAdjacentText The last one is because JSDOM doesn't support insertAdjacentText but our target browsers do. This polyfill also includes one for insertAdjacentHTML.
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helpers.deleteCookie('cookies-policy');
});
beforeEach(() => {
// add the script GA looks for in the document
document.body.appendChild(document.createElement('script'));
jest.spyOn(window.GOVUK, 'initAnalytics');
cookieMessage = `
<div id="global-cookie-message" class="notify-cookie-banner" data-module="cookie-banner" role="region" aria-label="cookie banner" data-nosnippet="">
<div class="notify-cookie-banner__wrapper govuk-width-container govuk-!-padding-4">
<h2 class="notify-cookie-banner__heading govuk-heading-m">Cookies on GOV.UK Notify</h2>
<p class="notify-cookie-banner__message govuk-body">We use <a class="govuk-link" href="/cookies">small files called cookies</a> to make GOV.UK Notify work.</p>
<div class="notify-cookie-banner__buttons notify-cookie-banner__no-js">
<div class="notify-cookie-banner__button">
<a href="/cookies" class="govuk-button notify-cookie-banner-button--inline" role="button" data-accept-cookies="true">Set cookie preferences</a>
</div>
</div>
<div class="notify-cookie-banner__with-js">
<p class="notify-cookie-banner__message govuk-body">We'd also like to use analytics cookies to help us improve our service.</p>
<p class="notify-cookie-banner__message govuk-body">Please let us know if this is OK.</p>
<div class="notify-cookie-banner__buttons">
<div class="notify-cookie-banner__button notify-cookie-banner__button-accept">
<button class="govuk-button notify-cookie-banner-button--secondary notify-cookie-banner-button--inline" type="submit" data-accept-cookies="true">Yes, I accept analytics cookies</button>
</div>
<div class="notify-cookie-banner__button notify-cookie-banner__button-reject">
<button class="govuk-button notify-cookie-banner-button--secondary notify-cookie-banner-button--inline" type="submit" data-accept-cookies="false">No, do not use analytics cookies</button>
</div>
</div>
</div>
</div>
<div class="notify-cookie-banner__confirmation govuk-width-container" tabindex="-1">
<p class="notify-cookie-banner__confirmation-message govuk-body">
You can <a class="govuk-link" href="/cookies">change your cookie settings</a> at any time.
</p>
<button class="notify-cookie-banner__hide-button" data-hide-cookie-banner="true">Hide</button>
</div>
</div>`;
document.body.innerHTML += cookieMessage;
});
afterEach(() => {
document.body.innerHTML = '';
// remove cookie set by tests
helpers.deleteCookie('cookies_policy');
// reset spies
window.GOVUK.initAnalytics.mockClear();
// remove analytics tracker
delete window.GOVUK.analytics;
// reset global variable to state when init.js loaded
window['ga-disable-UA-26179049-1'] = true;
});
/*
Hide cookie banner if no-js Decided in discussions with @quis and @yahoopete that users without JS available cannot accept/reject analytics cookies so the banner has no use.
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Note: If no JS, the cookie banner is hidden.
Add JS tests for analytics & cookies JS Includes: - tests for the analytics interface ported from GOVUK Frontend Toolkit - tests for the cookie banner that appears on all pages except the cookies page - tests for the cookies page JS - tests for the hasConsentFor function - adding a deleteCookie helper to remove cookies during tests - polyfill for insertAdjacentText The last one is because JSDOM doesn't support insertAdjacentText but our target browsers do. This polyfill also includes one for insertAdjacentHTML.
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This works through CSS, based on the presence of the `js-enabled` class on the <body> so is not tested here.
*/
test("If the cookies set by the old banner still exist, they can be cleared with the `clearOldCookies` method", () => {
helpers.setCookie('seen_cookie_message', 'true', { 'days': 365 });
helpers.setCookie('_ga', 'GA1.1.123.123', { 'days': 365 });
helpers.setCookie('_gid', 'GA1.1.456.456', { 'days': 1 });
window.GOVUK.Modules.CookieBanner.clearOldCookies();
expect(window.GOVUK.cookie('seen_cookie_message')).toBeNull();
expect(window.GOVUK.cookie('_ga')).toBeNull();
expect(window.GOVUK.cookie('_gid')).toBeNull();
});
test("If user has made a choice to give their consent or not, the cookie banner should be hidden", () => {
window.GOVUK.setConsentCookie({ 'analytics': false });
window.GOVUK.modules.start()
expect(helpers.element(document.querySelector('.notify-cookie-banner')).is('hidden')).toBe(true);
});
describe("If user hasn't made a choice to give their consent or not", () => {
beforeEach(() => {
window.GOVUK.modules.start();
});
test("The cookie banner should show", () => {
const banner = helpers.element(document.querySelector('.notify-cookie-banner'));
expect(banner.is('hidden')).toBe(false);
});
test("No analytics should run", () => {
expect(window.GOVUK.initAnalytics).not.toHaveBeenCalled();
});
describe("If the user clicks the button to accept analytics", () => {
beforeEach(() => {
const acceptButton = document.querySelector('.notify-cookie-banner__button-accept button');
helpers.triggerEvent(acceptButton, 'click');
});
test("the banner should confirm your choice and link to the cookies page as a way to change your mind", () => {
confirmation = helpers.element(document.querySelector('.notify-cookie-banner__confirmation'));
expect(confirmation.is('hidden')).toBe(false);
expect(confirmation.el.textContent.trim()).toEqual(expect.stringMatching(/^You’ve accepted analytics cookies/));
});
test("If the user clicks the 'hide' button, the banner should be hidden", () => {
const hideButton = document.querySelector('.notify-cookie-banner__hide-button');
const banner = helpers.element(document.querySelector('.notify-cookie-banner'));
helpers.triggerEvent(hideButton, 'click');
expect(banner.is('hidden')).toBe(true);
});
test("The consent cookie should be set, with analytics set to 'true'", () => {
expect(window.GOVUK.getConsentCookie()).toEqual({ 'analytics': true });
});
test("The analytics should be set up", () => {
expect(window.GOVUK.analytics).toBeDefined();
});
});
describe("If the user clicks the button to reject analytics", () => {
beforeEach(() => {
const rejectButton = document.querySelector('.notify-cookie-banner__button-reject button');
helpers.triggerEvent(rejectButton, 'click');
});
test("the banner should confirm your choice and link to the cookies page as a way to change your mind", () => {
confirmation = helpers.element(document.querySelector('.notify-cookie-banner__confirmation'));
expect(confirmation.is('hidden')).toBe(false);
expect(confirmation.el.textContent.trim()).toEqual(expect.stringMatching(/^You told us not to use analytics cookies/));
});
test("If the user clicks the 'hide' button, the banner should be hidden", () => {
const hideButton = document.querySelector('.notify-cookie-banner__hide-button');
const banner = helpers.element(document.querySelector('.notify-cookie-banner'));
helpers.triggerEvent(hideButton, 'click');
expect(banner.is('hidden')).toBe(true);
});
Fix test description
2020-01-08 17:48:37 +00:00
test("The consent cookie should be set, with analytics set to 'false'", () => {
Add JS tests for analytics & cookies JS Includes: - tests for the analytics interface ported from GOVUK Frontend Toolkit - tests for the cookie banner that appears on all pages except the cookies page - tests for the cookies page JS - tests for the hasConsentFor function - adding a deleteCookie helper to remove cookies during tests - polyfill for insertAdjacentText The last one is because JSDOM doesn't support insertAdjacentText but our target browsers do. This polyfill also includes one for insertAdjacentHTML.
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expect(window.GOVUK.getConsentCookie()).toEqual({ 'analytics': false });
});
test("The analytics should not be set up", () => {
expect(window.GOVUK.analytics).not.toBeDefined();
});
});
});
});
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