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124 lines
2.5 KiB
JavaScript
124 lines
2.5 KiB
JavaScript
const helpers = require('../support/helpers');
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beforeAll(() => {
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// add the script GA looks for in the document
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document.body.appendChild(document.createElement('script'));
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require('../../../app/assets/javascripts/govuk/cookie-functions.js');
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require('../../../app/assets/javascripts/analytics/analytics.js');
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require('../../../app/assets/javascripts/analytics/init.js');
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});
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afterAll(() => {
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require('../support/teardown.js');
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});
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describe("Analytics init", () => {
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beforeAll(() => {
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window.ga = jest.fn();
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jest.spyOn(window.GOVUK.Analytics, 'load');
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// pretend we're on the /privacy page
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jest.spyOn(window, 'location', 'get').mockImplementation(() => {
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return {
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'pathname': '/privacy',
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'search': ''
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};
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});
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});
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afterEach(() => {
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window.GOVUK.Analytics.load.mockClear();
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window.ga.mockClear();
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});
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test("After the init.js script has been loaded, Google Analytics will be disabled", () => {
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expect(window['ga-disable-UA-75215134-1']).toBe(true);
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});
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describe("If initAnalytics has already been called", () => {
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beforeAll(() => {
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// Fake a tracker instance
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window.GOVUK.analytics = {};
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});
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beforeEach(() => {
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window.GOVUK.initAnalytics();
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});
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afterAll(() => {
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delete window.GOVUK.analytics;
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});
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test("The Google Analytics libraries will not be loaded", () => {
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expect(window.GOVUK.Analytics.load).not.toHaveBeenCalled();
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});
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});
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describe("If initAnalytics has not been called", () => {
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beforeEach(() => {
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window.GOVUK.initAnalytics();
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});
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afterEach(() => {
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// window.GOVUK.initAnalytics sets up a new window.GOVUK.analytics which needs clearing
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delete window.GOVUK.analytics;
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});
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test("Google Analytics will not be disabled", () => {
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expect(window['ga-disable-UA-75215134-1']).toBe(false);
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});
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test("The Google Analytics libraries will have been loaded", () => {
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expect(window.GOVUK.Analytics.load).toHaveBeenCalled();
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});
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test("There will be an interface with the Google Analytics API", () => {
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expect(window.GOVUK.analytics).toBeDefined();
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});
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test("A pageview will be registered", () => {
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expect(window.ga.mock.calls.length).toEqual(5);
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// The first 4 calls configure the analytics tracker. All subsequent calls send data
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expect(window.ga.mock.calls[4]).toEqual(['send', 'pageview', '/privacy']);
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});
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});
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});
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