@segment/consent-manager/esm/__tests__/consent-manager-builder/preferences.test.js

Drop-in consent management plugin for analytics.js

import { URL } from 'url';
import sinon from 'sinon';
import { loadPreferences, savePreferences } from '../../consent-manager-builder/preferences';
describe('preferences', function () {
    beforeEach(function () {
        window = {
            location: {
                href: 'http://localhost/'
            }
        };
        document = {
            createElement: function (type) {
                if (type === 'a') {
                    return new URL('http://localhost/');
                }
                return;
            }
        };
    });
    test('loadPreferences() returns preferences when cookie exists', function () {
        document.cookie =
            'tracking-preferences={%22version%22:1%2C%22destinations%22:{%22Amplitude%22:true}%2C%22custom%22:{%22functional%22:true}}';
        expect(loadPreferences()).toMatchObject({
            destinationPreferences: {
                Amplitude: true
            },
            customPreferences: {
                functional: true
            }
        });
    });
    test('loadPreferences(cookieName) returns preferences when cookie exists', function () {
        document.cookie =
            'custom-tracking-preferences={%22version%22:1%2C%22destinations%22:{%22Amplitude%22:true}%2C%22custom%22:{%22functional%22:true}}';
        expect(loadPreferences('custom-tracking-preferences')).toMatchObject({
            destinationPreferences: {
                Amplitude: true
            },
            customPreferences: {
                functional: true
            }
        });
    });
    test('savePreferences() saves the preferences', function () {
        var ajsIdentify = sinon.spy();
        // @ts-ignore
        window.analytics = { identify: ajsIdentify };
        document.cookie = '';
        var destinationPreferences = {
            Amplitude: true
        };
        var customPreferences = {
            functional: true
        };
        savePreferences({
            destinationPreferences: destinationPreferences,
            customPreferences: customPreferences,
            cookieDomain: undefined
        });
        expect(ajsIdentify.calledOnce).toBe(true);
        expect(ajsIdentify.args[0][0]).toMatchObject({
            destinationTrackingPreferences: destinationPreferences,
            customTrackingPreferences: customPreferences
        });
        expect(document.cookie.includes('tracking-preferences={%22version%22:1%2C%22destinations%22:{%22Amplitude%22:true}%2C%22custom%22:{%22functional%22:true}}')).toBe(true);
    });
    test('savePreferences() sets the cookie domain', function () {
        var ajsIdentify = sinon.spy();
        // @ts-ignore
        window.analytics = { identify: ajsIdentify };
        document.cookie = '';
        var destinationPreferences = {
            Amplitude: true
        };
        savePreferences({
            destinationPreferences: destinationPreferences,
            customPreferences: undefined,
            cookieDomain: 'example.com'
        });
        expect(ajsIdentify.calledOnce).toBe(true);
        expect(ajsIdentify.args[0][0]).toMatchObject({
            destinationTrackingPreferences: destinationPreferences,
            customTrackingPreferences: undefined
        });
        // TODO: actually check domain
        // expect(document.cookie.includes('domain=example.com')).toBe(true)
    });
    test('savePreferences() sets the cookie with custom key', function () {
        var ajsIdentify = sinon.spy();
        // @ts-ignore
        window.analytics = { identify: ajsIdentify };
        document.cookie = '';
        var destinationPreferences = {
            Amplitude: true
        };
        savePreferences({
            destinationPreferences: destinationPreferences,
            customPreferences: undefined,
            cookieDomain: undefined,
            cookieName: 'custom-tracking-preferences'
        });
        expect(ajsIdentify.calledOnce).toBe(true);
        expect(ajsIdentify.args[0][0]).toMatchObject({
            destinationTrackingPreferences: destinationPreferences,
            customTrackingPreferences: undefined
        });
        expect(document.cookie.includes('custom-tracking-preferences')).toBe(true);
    });
});
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