mirror of
https://github.com/kremalicious/metamask-extension.git
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117 lines
3.6 KiB
JavaScript
117 lines
3.6 KiB
JavaScript
import Analytics from './analytics';
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const DUMMY_KEY = 'DUMMY_KEY';
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const DUMMY_MESSAGE = {
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userId: 'userId',
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idValue: 'idValue',
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event: 'event',
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};
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const FLUSH_INTERVAL = 10000;
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global.setImmediate = (arg) => {
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arg();
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};
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global.fetch = () =>
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Promise.resolve({
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ok: true,
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json: () => Promise.resolve({ success: true }),
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});
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describe('Analytics', function () {
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let analytics;
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beforeEach(() => {
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analytics = new Analytics(DUMMY_KEY);
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});
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describe('#flush', function () {
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it('first message is immediately flushed', function () {
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const mock = jest.fn(analytics.flush);
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analytics.flush = mock;
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analytics.track(DUMMY_MESSAGE);
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expect(analytics.queue).toHaveLength(0);
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expect(mock).toHaveBeenCalledTimes(1);
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});
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it('after first message it is called when queue size equals flushAt value', function () {
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analytics = new Analytics(DUMMY_KEY, { flushAt: 3 });
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const mock = jest.fn(analytics.flush);
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analytics.flush = mock;
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analytics.track(DUMMY_MESSAGE);
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analytics.track(DUMMY_MESSAGE);
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analytics.track(DUMMY_MESSAGE);
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analytics.track(DUMMY_MESSAGE);
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expect(analytics.queue).toHaveLength(0);
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expect(mock).toHaveBeenCalledTimes(2);
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});
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it('except for first message it is called until queue size is less than flushAt value', function () {
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analytics = new Analytics(DUMMY_KEY, { flushAt: 3 });
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const mock = jest.fn(analytics.flush);
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analytics.flush = mock;
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analytics.track(DUMMY_MESSAGE);
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analytics.track(DUMMY_MESSAGE);
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analytics.track(DUMMY_MESSAGE);
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expect(analytics.queue).toHaveLength(2);
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expect(mock).toHaveBeenCalledTimes(1);
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});
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it('after first message it is called after flushInterval is elapsed', function () {
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jest.useFakeTimers();
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analytics = new Analytics(DUMMY_KEY, { flushInterval: FLUSH_INTERVAL });
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const mock = jest.fn(analytics.flush);
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analytics.flush = mock;
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analytics.track(DUMMY_MESSAGE);
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analytics.track(DUMMY_MESSAGE);
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jest.advanceTimersByTime(FLUSH_INTERVAL);
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expect(analytics.queue).toHaveLength(0);
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expect(mock).toHaveBeenCalledTimes(2);
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});
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it('after first message it is not called until flushInterval is elapsed', function () {
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jest.useFakeTimers();
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analytics = new Analytics(DUMMY_KEY, { flushInterval: FLUSH_INTERVAL });
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const mock = jest.fn(analytics.flush);
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analytics.flush = mock;
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analytics.track(DUMMY_MESSAGE);
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analytics.track(DUMMY_MESSAGE);
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jest.advanceTimersByTime(FLUSH_INTERVAL - 100);
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expect(analytics.queue).toHaveLength(1);
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expect(mock).toHaveBeenCalledTimes(1);
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});
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it('invokes callbacks', async function () {
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const callback = jest.fn();
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analytics.track(DUMMY_MESSAGE);
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analytics.track(DUMMY_MESSAGE, callback);
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await analytics.flush();
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expect(callback).toHaveBeenCalledTimes(1);
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});
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});
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describe('#track', function () {
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it('adds messages to ququq', function () {
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analytics.track(DUMMY_MESSAGE);
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analytics.track(DUMMY_MESSAGE);
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expect(analytics.queue).toHaveLength(1);
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});
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});
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describe('#page', function () {
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it('adds messages to ququq', function () {
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analytics.page(DUMMY_MESSAGE);
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analytics.page(DUMMY_MESSAGE);
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expect(analytics.queue).toHaveLength(1);
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});
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});
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describe('#identify', function () {
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it('adds messages to ququq', function () {
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analytics.identify(DUMMY_MESSAGE);
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analytics.identify(DUMMY_MESSAGE);
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expect(analytics.queue).toHaveLength(1);
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});
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});
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});
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