72 lines
2.6 KiB
JavaScript
72 lines
2.6 KiB
JavaScript
import api from '~/api';
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import { DEFER_DURATION, TRACKING_CAP_KEY, TRACKING_CAP_LENGTH } from '~/diffs/constants';
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import { queueRedisHllEvents } from '~/diffs/utils/queue_events';
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jest.mock('~/api', () => ({
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trackRedisHllUserEvent: jest.fn(),
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}));
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beforeAll(() => {
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localStorage.clear();
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});
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describe('diffs events queue', () => {
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describe('queueRedisHllEvents', () => {
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it('does not dispatch the event immediately', () => {
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queueRedisHllEvents(['know_event']);
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expect(api.trackRedisHllUserEvent).not.toHaveBeenCalled();
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});
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it('does dispatch the event after the defer duration', () => {
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queueRedisHllEvents(['know_event']);
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jest.advanceTimersByTime(DEFER_DURATION + 1);
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expect(api.trackRedisHllUserEvent).toHaveBeenCalled();
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expect(localStorage.getItem(TRACKING_CAP_KEY)).toBe(null);
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});
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it('increase defer duration based on the provided events count', () => {
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let deferDuration = DEFER_DURATION + 1;
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const events = ['know_event_a', 'know_event_b', 'know_event_c'];
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queueRedisHllEvents(events);
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expect(api.trackRedisHllUserEvent).not.toHaveBeenCalled();
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events.forEach((event, index) => {
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jest.advanceTimersByTime(deferDuration);
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expect(api.trackRedisHllUserEvent).toHaveBeenLastCalledWith(event);
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deferDuration *= index + 1;
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});
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});
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describe('with tracking cap verification', () => {
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const currentTimestamp = Date.now();
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beforeEach(() => {
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localStorage.clear();
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});
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it('dispatches the event if cap value is not found', () => {
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queueRedisHllEvents(['know_event'], { verifyCap: true });
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jest.advanceTimersByTime(DEFER_DURATION + 1);
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expect(api.trackRedisHllUserEvent).toHaveBeenCalled();
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expect(localStorage.getItem(TRACKING_CAP_KEY)).toBe(currentTimestamp.toString());
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});
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it('dispatches the event if cap value is less than limit', () => {
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localStorage.setItem(TRACKING_CAP_KEY, 1);
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queueRedisHllEvents(['know_event'], { verifyCap: true });
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jest.advanceTimersByTime(DEFER_DURATION + 1);
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expect(api.trackRedisHllUserEvent).toHaveBeenCalled();
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expect(localStorage.getItem(TRACKING_CAP_KEY)).toBe(currentTimestamp.toString());
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});
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it('does not dispatch the event if cap value is greater than limit', () => {
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localStorage.setItem(TRACKING_CAP_KEY, currentTimestamp - (TRACKING_CAP_LENGTH + 1));
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queueRedisHllEvents(['know_event'], { verifyCap: true });
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jest.advanceTimersByTime(DEFER_DURATION + 1);
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expect(api.trackRedisHllUserEvent).toHaveBeenCalled();
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});
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});
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});
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});
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