element-web/test/PosthogAnalytics-test.ts
2021-07-27 13:31:56 +01:00

196 lines
7.3 KiB
TypeScript

import { Anonymity, getRedactedCurrentLocation, IAnonymousEvent, IPseudonymousEvent, IRoomEvent,
PosthogAnalytics } from '../src/PosthogAnalytics';
import SdkConfig from '../src/SdkConfig';
const crypto = require('crypto');
class FakePosthog {
public capture;
public init;
public identify;
constructor() {
this.capture = jest.fn();
this.init = jest.fn();
this.identify = jest.fn();
}
}
export interface ITestEvent extends IAnonymousEvent {
key: "jest_test_event",
properties: {
foo: string
}
}
export interface ITestPseudonymousEvent extends IPseudonymousEvent {
key: "jest_test_pseudo_event",
properties: {
foo: string
}
}
export interface ITestRoomEvent extends IRoomEvent {
key: "jest_test_room_event",
properties: {
foo: string
}
}
describe("PosthogAnalytics", () => {
let analytics: PosthogAnalytics;
let fakePosthog: FakePosthog;
beforeEach(() => {
fakePosthog = new FakePosthog();
analytics = new PosthogAnalytics(fakePosthog);
window.crypto = {
subtle: crypto.webcrypto.subtle,
};
});
afterEach(() => {
window.crypto = null;
});
describe("Initialisation", () => {
it("Should not initialise if config is not set", async () => {
jest.spyOn(SdkConfig, "get").mockReturnValue({});
analytics.init(Anonymity.Pseudonymous);
expect(analytics.isEnabled()).toBe(false);
});
it("Should initialise if config is set", async () => {
jest.spyOn(SdkConfig, "get").mockReturnValue({
posthog: {
projectApiKey: "foo",
apiHost: "bar",
},
});
analytics.init(Anonymity.Pseudonymous);
expect(analytics.isInitialised()).toBe(true);
expect(analytics.isEnabled()).toBe(true);
});
});
describe("Tracking", () => {
beforeEach(() => {
jest.spyOn(SdkConfig, "get").mockReturnValue({
posthog: {
projectApiKey: "foo",
apiHost: "bar",
},
});
});
it("Should pass trackAnonymousEvent() to posthog", async () => {
analytics.init(Anonymity.Pseudonymous);
await analytics.trackAnonymousEvent<ITestEvent>("jest_test_event", {
foo: "bar",
});
expect(fakePosthog.capture.mock.calls[0][0]).toBe("jest_test_event");
expect(fakePosthog.capture.mock.calls[0][1]["foo"]).toEqual("bar");
});
it("Should pass trackRoomEvent to posthog", async () => {
analytics.init(Anonymity.Pseudonymous);
const roomId = "42";
await analytics.trackRoomEvent<IRoomEvent>("jest_test_event", roomId, {
foo: "bar",
});
expect(fakePosthog.capture.mock.calls[0][0]).toBe("jest_test_event");
expect(fakePosthog.capture.mock.calls[0][1]["foo"]).toEqual("bar");
expect(fakePosthog.capture.mock.calls[0][1]["hashedRoomId"])
.toEqual("73475cb40a568e8da8a045ced110137e159f890ac4da883b6b17dc651b3a8049");
});
it("Should pass trackPseudonymousEvent() to posthog", async () => {
analytics.init(Anonymity.Pseudonymous);
await analytics.trackPseudonymousEvent<ITestEvent>("jest_test_pseudo_event", {
foo: "bar",
});
expect(fakePosthog.capture.mock.calls[0][0]).toBe("jest_test_pseudo_event");
expect(fakePosthog.capture.mock.calls[0][1]["foo"]).toEqual("bar");
});
it("Should blow up if not inititalised prior to tracking", async () => {
const fn = () => {
return analytics.trackAnonymousEvent<ITestEvent>("jest_test_event", {
foo: "bar",
});
};
await expect(fn()).rejects.toThrow();
});
it("Should not track pseudonymous messages if anonymous", async () => {
analytics.init(Anonymity.Anonymous);
await analytics.trackPseudonymousEvent<ITestEvent>("jest_test_event", {
foo: "bar",
});
expect(fakePosthog.capture.mock.calls.length).toBe(0);
});
it("Should not track any events if disabled", async () => {
analytics.init(Anonymity.Disabled);
await analytics.trackPseudonymousEvent<ITestEvent>("jest_test_event", {
foo: "bar",
});
await analytics.trackAnonymousEvent<ITestEvent>("jest_test_event", {
foo: "bar",
});
await analytics.trackRoomEvent<ITestRoomEvent>("room id", "jest_test_room_event", {
foo: "bar",
});
await analytics.trackPageView(200);
expect(fakePosthog.capture.mock.calls.length).toBe(0);
});
it("Should pseudonymise a location of a known screen", async () => {
const location = await getRedactedCurrentLocation(
"https://foo.bar", "#/register/some/pii", "/", Anonymity.Pseudonymous);
expect(location).toBe(
`https://foo.bar/#/register/\
a6b46dd0d1ae5e86cbc8f37e75ceeb6760230c1ca4ffbcb0c97b96dd7d9c464b/\
bd75b3e080945674c0351f75e0db33d1e90986fa07b318ea7edf776f5eef38d4`);
});
it("Should anonymise a location of a known screen", async () => {
const location = await getRedactedCurrentLocation(
"https://foo.bar", "#/register/some/pii", "/", Anonymity.Anonymous);
expect(location).toBe("https://foo.bar/#/register/<redacted>/<redacted>");
});
it("Should pseudonymise a location of an unknown screen", async () => {
const location = await getRedactedCurrentLocation(
"https://foo.bar", "#/not_a_screen_name/some/pii", "/", Anonymity.Pseudonymous);
expect(location).toBe(
`https://foo.bar/#/<redacted_screen_name>/\
a6b46dd0d1ae5e86cbc8f37e75ceeb6760230c1ca4ffbcb0c97b96dd7d9c464b/\
bd75b3e080945674c0351f75e0db33d1e90986fa07b318ea7edf776f5eef38d4`);
});
it("Should anonymise a location of an unknown screen", async () => {
const location = await getRedactedCurrentLocation(
"https://foo.bar", "#/not_a_screen_name/some/pii", "/", Anonymity.Anonymous);
expect(location).toBe("https://foo.bar/#/<redacted_screen_name>/<redacted>/<redacted>");
});
it("Should currently handle an empty hash", async () => {
const location = await getRedactedCurrentLocation(
"https://foo.bar", "", "/", Anonymity.Anonymous);
expect(location).toBe("https://foo.bar/");
});
it("Should identify the user to posthog if pseudonymous", async () => {
analytics.init(Anonymity.Pseudonymous);
await analytics.identifyUser("foo");
expect(fakePosthog.identify.mock.calls[0][0])
.toBe("2c26b46b68ffc68ff99b453c1d30413413422d706483bfa0f98a5e886266e7ae");
});
it("Should not identify the user to posthog if anonymous", async () => {
analytics.init(Anonymity.Anonymous);
await analytics.identifyUser("foo");
expect(fakePosthog.identify.mock.calls.length).toBe(0);
});
});
});