element-web-Github/test/unit-tests/PosthogAnalytics-test.ts
Michael Telatynski f0ee7f7905
Merge matrix-react-sdk into element-web
Merge remote-tracking branch 'repomerge/t3chguy/repomerge' into t3chguy/repo-merge

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>
2024-10-15 15:32:09 +01:00

347 lines
13 KiB
TypeScript

/*
Copyright 2024 New Vector Ltd.
Copyright 2021 The Matrix.org Foundation C.I.C.
SPDX-License-Identifier: AGPL-3.0-only OR GPL-3.0-only
Please see LICENSE files in the repository root for full details.
*/
import { mocked } from "jest-mock";
import { PostHog } from "posthog-js";
import { MatrixClient } from "matrix-js-sdk/src/matrix";
import { CryptoApi } from "matrix-js-sdk/src/crypto-api";
import { Anonymity, getRedactedCurrentLocation, IPosthogEvent, PosthogAnalytics } from "../../src/PosthogAnalytics";
import SdkConfig from "../../src/SdkConfig";
import { getMockClientWithEventEmitter } from "../test-utils";
import SettingsStore from "../../src/settings/SettingsStore";
import { Layout } from "../../src/settings/enums/Layout";
import defaultDispatcher from "../../src/dispatcher/dispatcher";
import { Action } from "../../src/dispatcher/actions";
import { SettingLevel } from "../../src/settings/SettingLevel";
const getFakePosthog = (): PostHog =>
({
capture: jest.fn(),
init: jest.fn(),
identify: jest.fn(),
reset: jest.fn(),
register: jest.fn(),
get_distinct_id: jest.fn(),
persistence: {
get_property: jest.fn(),
},
identifyUser: jest.fn(),
}) as unknown as PostHog;
interface ITestEvent extends IPosthogEvent {
eventName: "JestTestEvents";
foo?: string;
}
describe("PosthogAnalytics", () => {
let fakePosthog: PostHog;
const shaHashes: Record<string, string> = {
"42": "73475cb40a568e8da8a045ced110137e159f890ac4da883b6b17dc651b3a8049",
"some": "a6b46dd0d1ae5e86cbc8f37e75ceeb6760230c1ca4ffbcb0c97b96dd7d9c464b",
"pii": "bd75b3e080945674c0351f75e0db33d1e90986fa07b318ea7edf776f5eef38d4",
"foo": "2c26b46b68ffc68ff99b453c1d30413413422d706483bfa0f98a5e886266e7ae",
};
beforeEach(() => {
fakePosthog = getFakePosthog();
Object.defineProperty(window, "crypto", {
value: {
subtle: {
digest: async (_: AlgorithmIdentifier, encodedMessage: BufferSource) => {
const message = new TextDecoder().decode(encodedMessage);
const hexHash = shaHashes[message];
const bytes: number[] = [];
for (let c = 0; c < hexHash.length; c += 2) {
bytes.push(parseInt(hexHash.slice(c, c + 2), 16));
}
return bytes;
},
},
},
});
});
afterEach(() => {
Object.defineProperty(window, "crypto", {
value: null,
});
SdkConfig.reset(); // we touch the config, so clean up
});
describe("Initialisation", () => {
it("Should not be enabled without config being set", () => {
// force empty/invalid state for posthog options
SdkConfig.put({ brand: "Testing" });
const analytics = new PosthogAnalytics(fakePosthog);
expect(analytics.isEnabled()).toBe(false);
});
it("Should be enabled if config is set", () => {
SdkConfig.put({
brand: "Testing",
posthog: {
project_api_key: "foo",
api_host: "bar",
},
});
const analytics = new PosthogAnalytics(fakePosthog);
analytics.setAnonymity(Anonymity.Pseudonymous);
expect(analytics.isEnabled()).toBe(true);
});
});
describe("Tracking", () => {
let analytics: PosthogAnalytics;
beforeEach(() => {
SdkConfig.put({
brand: "Testing",
posthog: {
project_api_key: "foo",
api_host: "bar",
},
});
analytics = new PosthogAnalytics(fakePosthog);
});
it("Should pass event to posthog", () => {
analytics.setAnonymity(Anonymity.Pseudonymous);
analytics.trackEvent<ITestEvent>({
eventName: "JestTestEvents",
foo: "bar",
});
expect(mocked(fakePosthog).capture.mock.calls[0][0]).toBe("JestTestEvents");
expect(mocked(fakePosthog).capture.mock.calls[0][1]!["foo"]).toEqual("bar");
});
it("Should not track events if anonymous", async () => {
analytics.setAnonymity(Anonymity.Anonymous);
await analytics.trackEvent<ITestEvent>({
eventName: "JestTestEvents",
foo: "bar",
});
expect(fakePosthog.capture).not.toHaveBeenCalled();
});
it("Should not track any events if disabled", async () => {
analytics.setAnonymity(Anonymity.Disabled);
analytics.trackEvent<ITestEvent>({
eventName: "JestTestEvents",
foo: "bar",
});
expect(fakePosthog.capture).not.toHaveBeenCalled();
});
it("Should anonymise location of a known screen", async () => {
const location = getRedactedCurrentLocation("https://foo.bar", "#/register/some/pii", "/");
expect(location).toBe("https://foo.bar/#/register/<redacted>");
});
it("Should anonymise location of an unknown screen", async () => {
const location = getRedactedCurrentLocation("https://foo.bar", "#/not_a_screen_name/some/pii", "/");
expect(location).toBe("https://foo.bar/#/<redacted_screen_name>/<redacted>");
});
it("Should handle an empty hash", async () => {
const location = getRedactedCurrentLocation("https://foo.bar", "", "/");
expect(location).toBe("https://foo.bar/");
});
it("Should identify the user to posthog if pseudonymous", async () => {
analytics.setAnonymity(Anonymity.Pseudonymous);
const client = getMockClientWithEventEmitter({
getAccountDataFromServer: jest.fn().mockResolvedValue(null),
setAccountData: jest.fn().mockResolvedValue({}),
});
await analytics.identifyUser(client, () => "analytics_id");
expect(mocked(fakePosthog).identify.mock.calls[0][0]).toBe("analytics_id");
});
it("Should not identify the user to posthog if anonymous", async () => {
analytics.setAnonymity(Anonymity.Anonymous);
const client = getMockClientWithEventEmitter({});
await analytics.identifyUser(client, () => "analytics_id");
expect(mocked(fakePosthog).identify.mock.calls.length).toBe(0);
});
it("Should identify using the server's analytics id if present", async () => {
analytics.setAnonymity(Anonymity.Pseudonymous);
const client = getMockClientWithEventEmitter({
getAccountDataFromServer: jest.fn().mockResolvedValue({ id: "existing_analytics_id" }),
setAccountData: jest.fn().mockResolvedValue({}),
});
await analytics.identifyUser(client, () => "new_analytics_id");
expect(mocked(fakePosthog).identify.mock.calls[0][0]).toBe("existing_analytics_id");
});
});
describe("WebLayout", () => {
let analytics: PosthogAnalytics;
beforeEach(() => {
SdkConfig.put({
brand: "Testing",
posthog: {
project_api_key: "foo",
api_host: "bar",
},
});
analytics = new PosthogAnalytics(fakePosthog);
analytics.setAnonymity(Anonymity.Pseudonymous);
});
it("should send layout IRC correctly", async () => {
await SettingsStore.setValue("layout", null, SettingLevel.DEVICE, Layout.IRC);
defaultDispatcher.dispatch(
{
action: Action.SettingUpdated,
settingName: "layout",
},
true,
);
analytics.trackEvent<ITestEvent>({
eventName: "JestTestEvents",
});
expect(mocked(fakePosthog).capture.mock.calls[0][1]!["$set"]).toStrictEqual({
WebLayout: "IRC",
});
});
it("should send layout Bubble correctly", async () => {
await SettingsStore.setValue("layout", null, SettingLevel.DEVICE, Layout.Bubble);
defaultDispatcher.dispatch(
{
action: Action.SettingUpdated,
settingName: "layout",
},
true,
);
analytics.trackEvent<ITestEvent>({
eventName: "JestTestEvents",
});
expect(mocked(fakePosthog).capture.mock.calls[0][1]!["$set"]).toStrictEqual({
WebLayout: "Bubble",
});
});
it("should send layout Group correctly", async () => {
await SettingsStore.setValue("layout", null, SettingLevel.DEVICE, Layout.Group);
defaultDispatcher.dispatch(
{
action: Action.SettingUpdated,
settingName: "layout",
},
true,
);
analytics.trackEvent<ITestEvent>({
eventName: "JestTestEvents",
});
expect(mocked(fakePosthog).capture.mock.calls[0][1]!["$set"]).toStrictEqual({
WebLayout: "Group",
});
});
it("should send layout Compact correctly", async () => {
await SettingsStore.setValue("layout", null, SettingLevel.DEVICE, Layout.Group);
await SettingsStore.setValue("useCompactLayout", null, SettingLevel.DEVICE, true);
defaultDispatcher.dispatch(
{
action: Action.SettingUpdated,
settingName: "useCompactLayout",
},
true,
);
analytics.trackEvent<ITestEvent>({
eventName: "JestTestEvents",
});
expect(mocked(fakePosthog).capture.mock.calls[0][1]!["$set"]).toStrictEqual({
WebLayout: "Compact",
});
});
});
describe("CryptoSdk", () => {
let analytics: PosthogAnalytics;
const getFakeClient = (): MatrixClient =>
({
getCrypto: jest.fn(),
setAccountData: jest.fn(),
// just fake return an `im.vector.analytics` content
getAccountDataFromServer: jest.fn().mockReturnValue({
id: "0000000",
pseudonymousAnalyticsOptIn: true,
}),
}) as unknown as MatrixClient;
beforeEach(async () => {
SdkConfig.put({
brand: "Testing",
posthog: {
project_api_key: "foo",
api_host: "bar",
},
});
analytics = new PosthogAnalytics(fakePosthog);
});
// `updateAnonymityFromSettings` is called On page load / login / account data change.
// We manually call it so we can test the behaviour.
async function simulateLogin(rustBackend: boolean, pseudonymous = true) {
// To simulate a switch we call updateAnonymityFromSettings.
// As per documentation this function is called On login.
const mockClient = getFakeClient();
mocked(mockClient.getCrypto).mockReturnValue({
getVersion: () => {
return rustBackend ? "Rust SDK 0.6.0 (9c6b550), Vodozemac 0.5.0" : "Olm 3.2.0";
},
} as unknown as CryptoApi);
await analytics.updateAnonymityFromSettings(mockClient, pseudonymous);
}
it("should send rust cryptoSDK superProperty correctly", async () => {
analytics.setAnonymity(Anonymity.Pseudonymous);
await simulateLogin(false);
expect(mocked(fakePosthog).register.mock.lastCall![0]["cryptoSDK"]).toStrictEqual("Legacy");
});
it("should send Legacy cryptoSDK superProperty correctly", async () => {
analytics.setAnonymity(Anonymity.Pseudonymous);
await simulateLogin(false);
// Super Properties are properties associated with events that are set once and then sent with every capture call.
// They are set using posthog.register
expect(mocked(fakePosthog).register.mock.lastCall![0]["cryptoSDK"]).toStrictEqual("Legacy");
});
it("should send cryptoSDK superProperty when enabling analytics", async () => {
analytics.setAnonymity(Anonymity.Disabled);
await simulateLogin(true, false);
// This initial call is due to the call to register platformSuperProperties
// The important thing is that the cryptoSDK superProperty is not set.
expect(mocked(fakePosthog).register.mock.lastCall![0]).toStrictEqual({});
// switching to pseudonymous should ensure that the cryptoSDK superProperty is set correctly
analytics.setAnonymity(Anonymity.Pseudonymous);
// Super Properties are properties associated with events that are set once and then sent with every capture call.
// They are set using posthog.register
expect(mocked(fakePosthog).register.mock.lastCall![0]["cryptoSDK"]).toStrictEqual("Rust");
});
});
});