354 lines
14 KiB
TypeScript
354 lines
14 KiB
TypeScript
/*
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Copyright 2021 The Matrix.org Foundation C.I.C.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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import { mocked } from "jest-mock";
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import { PostHog } from "posthog-js";
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import { CryptoApi, MatrixClient } from "matrix-js-sdk/src/matrix";
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import { Anonymity, getRedactedCurrentLocation, IPosthogEvent, PosthogAnalytics } from "../src/PosthogAnalytics";
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import SdkConfig from "../src/SdkConfig";
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import { getMockClientWithEventEmitter } from "./test-utils";
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import SettingsStore from "../src/settings/SettingsStore";
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import { Layout } from "../src/settings/enums/Layout";
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import defaultDispatcher from "../src/dispatcher/dispatcher";
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import { Action } from "../src/dispatcher/actions";
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import { SettingLevel } from "../src/settings/SettingLevel";
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const getFakePosthog = (): PostHog =>
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({
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capture: jest.fn(),
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init: jest.fn(),
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identify: jest.fn(),
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reset: jest.fn(),
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register: jest.fn(),
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get_distinct_id: jest.fn(),
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persistence: {
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get_user_state: jest.fn(),
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},
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identifyUser: jest.fn(),
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} as unknown as PostHog);
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interface ITestEvent extends IPosthogEvent {
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eventName: "JestTestEvents";
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foo?: string;
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}
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describe("PosthogAnalytics", () => {
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let fakePosthog: PostHog;
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const shaHashes: Record<string, string> = {
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"42": "73475cb40a568e8da8a045ced110137e159f890ac4da883b6b17dc651b3a8049",
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"some": "a6b46dd0d1ae5e86cbc8f37e75ceeb6760230c1ca4ffbcb0c97b96dd7d9c464b",
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"pii": "bd75b3e080945674c0351f75e0db33d1e90986fa07b318ea7edf776f5eef38d4",
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"foo": "2c26b46b68ffc68ff99b453c1d30413413422d706483bfa0f98a5e886266e7ae",
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};
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beforeEach(() => {
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fakePosthog = getFakePosthog();
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Object.defineProperty(window, "crypto", {
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value: {
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subtle: {
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digest: async (_: AlgorithmIdentifier, encodedMessage: BufferSource) => {
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const message = new TextDecoder().decode(encodedMessage);
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const hexHash = shaHashes[message];
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const bytes: number[] = [];
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for (let c = 0; c < hexHash.length; c += 2) {
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bytes.push(parseInt(hexHash.slice(c, c + 2), 16));
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}
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return bytes;
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},
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},
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},
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});
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});
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afterEach(() => {
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Object.defineProperty(window, "crypto", {
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value: null,
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});
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SdkConfig.reset(); // we touch the config, so clean up
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});
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describe("Initialisation", () => {
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it("Should not be enabled without config being set", () => {
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// force empty/invalid state for posthog options
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SdkConfig.put({ brand: "Testing" });
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const analytics = new PosthogAnalytics(fakePosthog);
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expect(analytics.isEnabled()).toBe(false);
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});
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it("Should be enabled if config is set", () => {
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SdkConfig.put({
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brand: "Testing",
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posthog: {
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project_api_key: "foo",
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api_host: "bar",
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},
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});
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const analytics = new PosthogAnalytics(fakePosthog);
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analytics.setAnonymity(Anonymity.Pseudonymous);
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expect(analytics.isEnabled()).toBe(true);
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});
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});
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describe("Tracking", () => {
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let analytics: PosthogAnalytics;
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beforeEach(() => {
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SdkConfig.put({
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brand: "Testing",
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posthog: {
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project_api_key: "foo",
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api_host: "bar",
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},
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});
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analytics = new PosthogAnalytics(fakePosthog);
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});
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it("Should pass event to posthog", () => {
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analytics.setAnonymity(Anonymity.Pseudonymous);
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analytics.trackEvent<ITestEvent>({
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eventName: "JestTestEvents",
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foo: "bar",
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});
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expect(mocked(fakePosthog).capture.mock.calls[0][0]).toBe("JestTestEvents");
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expect(mocked(fakePosthog).capture.mock.calls[0][1]!["foo"]).toEqual("bar");
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});
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it("Should not track events if anonymous", async () => {
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analytics.setAnonymity(Anonymity.Anonymous);
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await analytics.trackEvent<ITestEvent>({
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eventName: "JestTestEvents",
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foo: "bar",
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});
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expect(fakePosthog.capture).not.toHaveBeenCalled();
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});
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it("Should not track any events if disabled", async () => {
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analytics.setAnonymity(Anonymity.Disabled);
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analytics.trackEvent<ITestEvent>({
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eventName: "JestTestEvents",
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foo: "bar",
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});
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expect(fakePosthog.capture).not.toHaveBeenCalled();
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});
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it("Should anonymise location of a known screen", async () => {
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const location = getRedactedCurrentLocation("https://foo.bar", "#/register/some/pii", "/");
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expect(location).toBe("https://foo.bar/#/register/<redacted>");
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});
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it("Should anonymise location of an unknown screen", async () => {
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const location = getRedactedCurrentLocation("https://foo.bar", "#/not_a_screen_name/some/pii", "/");
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expect(location).toBe("https://foo.bar/#/<redacted_screen_name>/<redacted>");
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});
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it("Should handle an empty hash", async () => {
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const location = getRedactedCurrentLocation("https://foo.bar", "", "/");
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expect(location).toBe("https://foo.bar/");
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});
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it("Should identify the user to posthog if pseudonymous", async () => {
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analytics.setAnonymity(Anonymity.Pseudonymous);
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const client = getMockClientWithEventEmitter({
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getAccountDataFromServer: jest.fn().mockResolvedValue(null),
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setAccountData: jest.fn().mockResolvedValue({}),
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});
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await analytics.identifyUser(client, () => "analytics_id");
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expect(mocked(fakePosthog).identify.mock.calls[0][0]).toBe("analytics_id");
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});
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it("Should not identify the user to posthog if anonymous", async () => {
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analytics.setAnonymity(Anonymity.Anonymous);
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const client = getMockClientWithEventEmitter({});
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await analytics.identifyUser(client, () => "analytics_id");
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expect(mocked(fakePosthog).identify.mock.calls.length).toBe(0);
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});
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it("Should identify using the server's analytics id if present", async () => {
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analytics.setAnonymity(Anonymity.Pseudonymous);
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const client = getMockClientWithEventEmitter({
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getAccountDataFromServer: jest.fn().mockResolvedValue({ id: "existing_analytics_id" }),
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setAccountData: jest.fn().mockResolvedValue({}),
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});
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await analytics.identifyUser(client, () => "new_analytics_id");
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expect(mocked(fakePosthog).identify.mock.calls[0][0]).toBe("existing_analytics_id");
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});
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});
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describe("WebLayout", () => {
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let analytics: PosthogAnalytics;
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beforeEach(() => {
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SdkConfig.put({
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brand: "Testing",
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posthog: {
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project_api_key: "foo",
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api_host: "bar",
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},
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});
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analytics = new PosthogAnalytics(fakePosthog);
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analytics.setAnonymity(Anonymity.Pseudonymous);
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});
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it("should send layout IRC correctly", async () => {
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await SettingsStore.setValue("layout", null, SettingLevel.DEVICE, Layout.IRC);
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defaultDispatcher.dispatch(
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{
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action: Action.SettingUpdated,
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settingName: "layout",
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},
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true,
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);
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analytics.trackEvent<ITestEvent>({
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eventName: "JestTestEvents",
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});
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expect(mocked(fakePosthog).capture.mock.calls[0][1]!["$set"]).toStrictEqual({
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WebLayout: "IRC",
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});
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});
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it("should send layout Bubble correctly", async () => {
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await SettingsStore.setValue("layout", null, SettingLevel.DEVICE, Layout.Bubble);
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defaultDispatcher.dispatch(
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{
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action: Action.SettingUpdated,
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settingName: "layout",
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},
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true,
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);
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analytics.trackEvent<ITestEvent>({
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eventName: "JestTestEvents",
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});
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expect(mocked(fakePosthog).capture.mock.calls[0][1]!["$set"]).toStrictEqual({
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WebLayout: "Bubble",
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});
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});
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it("should send layout Group correctly", async () => {
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await SettingsStore.setValue("layout", null, SettingLevel.DEVICE, Layout.Group);
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defaultDispatcher.dispatch(
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{
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action: Action.SettingUpdated,
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settingName: "layout",
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},
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true,
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);
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analytics.trackEvent<ITestEvent>({
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eventName: "JestTestEvents",
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});
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expect(mocked(fakePosthog).capture.mock.calls[0][1]!["$set"]).toStrictEqual({
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WebLayout: "Group",
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});
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});
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it("should send layout Compact correctly", async () => {
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await SettingsStore.setValue("layout", null, SettingLevel.DEVICE, Layout.Group);
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await SettingsStore.setValue("useCompactLayout", null, SettingLevel.DEVICE, true);
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defaultDispatcher.dispatch(
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{
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action: Action.SettingUpdated,
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settingName: "useCompactLayout",
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},
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true,
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);
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analytics.trackEvent<ITestEvent>({
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eventName: "JestTestEvents",
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});
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expect(mocked(fakePosthog).capture.mock.calls[0][1]!["$set"]).toStrictEqual({
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WebLayout: "Compact",
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});
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});
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});
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describe("CryptoSdk", () => {
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let analytics: PosthogAnalytics;
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const getFakeClient = (): MatrixClient =>
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({
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getCrypto: jest.fn(),
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setAccountData: jest.fn(),
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// just fake return an `im.vector.analytics` content
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getAccountDataFromServer: jest.fn().mockReturnValue({
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id: "0000000",
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pseudonymousAnalyticsOptIn: true,
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}),
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} as unknown as MatrixClient);
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beforeEach(async () => {
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SdkConfig.put({
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brand: "Testing",
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posthog: {
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project_api_key: "foo",
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api_host: "bar",
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},
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});
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analytics = new PosthogAnalytics(fakePosthog);
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});
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// `updateAnonymityFromSettings` is called On page load / login / account data change.
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// We manually call it so we can test the behaviour.
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async function simulateLogin(rustBackend: boolean, pseudonymous = true) {
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// To simulate a switch we call updateAnonymityFromSettings.
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// As per documentation this function is called On login.
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const mockClient = getFakeClient();
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mocked(mockClient.getCrypto).mockReturnValue({
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getVersion: () => {
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return rustBackend ? "Rust SDK 0.6.0 (9c6b550), Vodozemac 0.5.0" : "Olm 3.2.0";
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},
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} as unknown as CryptoApi);
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await analytics.updateAnonymityFromSettings(mockClient, pseudonymous);
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}
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it("should send rust cryptoSDK superProperty correctly", async () => {
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analytics.setAnonymity(Anonymity.Pseudonymous);
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await simulateLogin(false);
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expect(mocked(fakePosthog).register.mock.lastCall![0]["cryptoSDK"]).toStrictEqual("Legacy");
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});
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it("should send Legacy cryptoSDK superProperty correctly", async () => {
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analytics.setAnonymity(Anonymity.Pseudonymous);
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await simulateLogin(false);
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// Super Properties are properties associated with events that are set once and then sent with every capture call.
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// They are set using posthog.register
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expect(mocked(fakePosthog).register.mock.lastCall![0]["cryptoSDK"]).toStrictEqual("Legacy");
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});
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it("should send cryptoSDK superProperty when enabling analytics", async () => {
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analytics.setAnonymity(Anonymity.Disabled);
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await simulateLogin(true, false);
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// This initial call is due to the call to register platformSuperProperties
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// The important thing is that the cryptoSDK superProperty is not set.
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expect(mocked(fakePosthog).register.mock.lastCall![0]).toStrictEqual({});
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// switching to pseudonymous should ensure that the cryptoSDK superProperty is set correctly
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analytics.setAnonymity(Anonymity.Pseudonymous);
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// Super Properties are properties associated with events that are set once and then sent with every capture call.
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// They are set using posthog.register
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expect(mocked(fakePosthog).register.mock.lastCall![0]["cryptoSDK"]).toStrictEqual("Rust");
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});
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});
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});
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