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MediaHandler Tests (#2646)

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* MediaHandler Tests, part 1

Haven't got through all the methods yet

For https://github.com/vector-im/element-call/issues/544

* Didn't need these in the end

* Rest of the media handler tests

* getUserMediaStream takes args

* use mockResolvedValue

* Add .off & reuse the mock we already made

* Re-use mock handler again

* Move updateLocalUsermediaStream to beforeEach

* add .off

* Add types

* Add more .offs
This commit is contained in:
David Baker
2022-09-07 15:56:38 +01:00
committed by GitHub
parent fa6f70f708
commit 83c848093f
3 changed files with 503 additions and 17 deletions
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43
spec/test-utils/webrtc.ts
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@ -160,10 +160,13 @@ export class MockRTCRtpSender {
export class MockMediaStreamTrack {
constructor(public readonly id: string, public readonly kind: "audio" | "video", public enabled = true) { }
stop() { }
stop = jest.fn<void, []>();
listeners: [string, (...args: any[]) => any][] = [];
public isStopped = false;
public settings: MediaTrackSettings;
getSettings(): MediaTrackSettings { return this.settings; }
// XXX: Using EventTarget in jest doesn't seem to work, so we write our own
// implementation
@ -181,6 +184,8 @@ export class MockMediaStreamTrack {
return t !== eventType || c !== callback;
});
}
typed(): MediaStreamTrack { return this as unknown as MediaStreamTrack; }
}
// XXX: Using EventTarget in jest doesn't seem to work, so we write our own
@ -217,8 +222,12 @@ export class MockMediaStream {
}
removeTrack(track: MockMediaStreamTrack) { this.tracks.splice(this.tracks.indexOf(track), 1); }
clone() {
return new MockMediaStream(this.id, this.tracks);
clone(): MediaStream {
return new MockMediaStream(this.id + ".clone", this.tracks).typed();
}
isCloneOf(stream: MediaStream) {
return this.id === stream.id + ".clone";
}
// syntactic sugar for typing
@ -231,6 +240,8 @@ export class MockMediaDeviceInfo {
constructor(
public kind: "audioinput" | "videoinput" | "audiooutput",
) { }
typed(): MediaDeviceInfo { return this as unknown as MediaDeviceInfo; }
}
export class MockMediaHandler {
@ -267,15 +278,27 @@ export class MockMediaHandler {
typed(): MediaHandler { return this as unknown as MediaHandler; }
}
export class MockMediaDevices {
enumerateDevices = jest.fn<Promise<MediaDeviceInfo[]>, []>().mockResolvedValue([
new MockMediaDeviceInfo("audioinput").typed(),
new MockMediaDeviceInfo("videoinput").typed(),
]);
getUserMedia = jest.fn<Promise<MediaStream>, [MediaStreamConstraints]>().mockReturnValue(
Promise.resolve(new MockMediaStream("local_stream").typed()),
);
getDisplayMedia = jest.fn<Promise<MediaStream>, [DisplayMediaStreamConstraints]>().mockReturnValue(
Promise.resolve(new MockMediaStream("local_display_stream").typed()),
);
typed(): MediaDevices { return this as unknown as MediaDevices; }
}
export function installWebRTCMocks() {
global.navigator = {
mediaDevices: {
// @ts-ignore Mock
getUserMedia: () => new MockMediaStream("local_stream"),
// @ts-ignore Mock
enumerateDevices: async () => [new MockMediaDeviceInfo("audio"), new MockMediaDeviceInfo("video")],
},
};
mediaDevices: new MockMediaDevices().typed(),
} as unknown as Navigator;
global.window = {
// @ts-ignore Mock