element-web/test/PosthogAnalytics-test.ts
2021-07-21 08:23:42 +01:00

105 lines
3 KiB
TypeScript

import { IAnonymousEvent, IRoomEvent, PosthogAnalytics } from '../src/PosthogAnalytics';
import SdkConfig from '../src/SdkConfig';
const crypto = require('crypto');
class FakePosthog {
public capture;
public init;
constructor() {
this.capture = jest.fn();
this.init = jest.fn();
}
}
export interface ITestEvent extends IAnonymousEvent {
key: "jest_test_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(() => {
navigator.doNotTrack = null;
window.crypto = null;
});
it("Should not initialise if DNT is enabled", () => {
navigator.doNotTrack = "1";
analytics.init(false);
expect(analytics.isInitialised()).toBe(false);
});
it("Should not initialise if config is not set", () => {
jest.spyOn(SdkConfig, "get").mockReturnValue({});
analytics.init(false);
expect(analytics.isInitialised()).toBe(false);
});
it("Should initialise if config is set", () => {
jest.spyOn(SdkConfig, "get").mockReturnValue({
posthog: {
projectApiKey: "foo",
apiHost: "bar",
},
});
analytics.init(false);
expect(analytics.isInitialised()).toBe(true);
});
it("Should pass track() to posthog", () => {
analytics.init(false);
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]).toEqual({ foo: "bar" });
});
it("Should pass trackRoomEvent to posthog", () => {
analytics.init(false);
const roomId = "42";
return analytics.trackRoomEvent<IRoomEvent>("jest_test_event", roomId, {
foo: "bar",
}).then(() => {
expect(fakePosthog.capture.mock.calls[0][0]).toBe("jest_test_event");
expect(fakePosthog.capture.mock.calls[0][1]).toEqual({
foo: "bar",
hashedRoomId: "73475cb40a568e8da8a045ced110137e159f890ac4da883b6b17dc651b3a8049",
});
});
});
it("Should silently not track if not inititalised", () => {
analytics.trackAnonymousEvent<ITestEvent>("jest_test_event", {
foo: "bar",
});
expect(fakePosthog.capture.mock.calls.length).toBe(0);
});
it("Should not track non-anonymous messages if onlyTrackAnonymousEvents is true", () => {
analytics.trackAnonymousEvent<ITestEvent>("jest_test_event", {
foo: "bar",
});
});
});