100 lines
2.9 KiB
JavaScript
100 lines
2.9 KiB
JavaScript
import {
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renameKey,
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getReferrersCache,
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addExperimentContext,
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addReferrersCacheEntry,
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filterOldReferrersCacheEntries,
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} from '~/tracking/utils';
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import { TRACKING_CONTEXT_SCHEMA } from '~/experimentation/constants';
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import { REFERRER_TTL, URLS_CACHE_STORAGE_KEY } from '~/tracking/constants';
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import { TEST_HOST } from 'helpers/test_constants';
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jest.mock('~/experimentation/utils', () => ({
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getExperimentData: jest.fn().mockReturnValue({}),
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}));
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describe('~/tracking/utils', () => {
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beforeEach(() => {
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window.gl = window.gl || {};
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window.gl.snowplowStandardContext = {};
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});
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describe('addExperimentContext', () => {
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const options = {
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category: 'root:index',
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action: 'generic',
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};
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it('returns same options if no experiment is provided', () => {
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expect(addExperimentContext({ options })).toStrictEqual({ options });
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});
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it('adds experiment if provided', () => {
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const experiment = 'TEST_EXPERIMENT_NAME';
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expect(addExperimentContext({ experiment, ...options })).toStrictEqual({
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...options,
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context: { data: {}, schema: TRACKING_CONTEXT_SCHEMA },
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});
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});
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});
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describe('renameKey', () => {
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it('renames a given key', () => {
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expect(renameKey({ allow: [] }, 'allow', 'permit')).toStrictEqual({ permit: [] });
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});
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});
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describe('referrers cache', () => {
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describe('filterOldReferrersCacheEntries', () => {
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it('removes entries with old or no timestamp', () => {
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const now = Date.now();
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const cache = [{ timestamp: now }, { timestamp: now - REFERRER_TTL }, { referrer: '' }];
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expect(filterOldReferrersCacheEntries(cache)).toStrictEqual([{ timestamp: now }]);
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});
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});
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describe('getReferrersCache', () => {
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beforeEach(() => {
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localStorage.removeItem(URLS_CACHE_STORAGE_KEY);
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});
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it('returns an empty array if cache is not found', () => {
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expect(getReferrersCache()).toHaveLength(0);
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});
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it('returns an empty array if cache is invalid', () => {
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localStorage.setItem(URLS_CACHE_STORAGE_KEY, 'Invalid JSON');
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expect(getReferrersCache()).toHaveLength(0);
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});
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it('returns parsed entries if valid', () => {
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localStorage.setItem(
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URLS_CACHE_STORAGE_KEY,
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JSON.stringify([{ referrer: '', timestamp: Date.now() }]),
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);
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expect(getReferrersCache()).toHaveLength(1);
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});
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});
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describe('addReferrersCacheEntry', () => {
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it('unshifts entry and adds timestamp', () => {
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const now = Date.now();
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addReferrersCacheEntry([{ referrer: '', originalUrl: TEST_HOST, timestamp: now }], {
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referrer: TEST_HOST,
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});
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const cache = getReferrersCache();
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expect(cache).toHaveLength(2);
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expect(cache[0].referrer).toBe(TEST_HOST);
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expect(cache[0].timestamp).toBeDefined();
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});
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});
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});
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});
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