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element-call/src/lotus/lotusScreenshareAudio.test.ts
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/*
Copyright 2026 Lotus Guild
SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial
Please see LICENSE in the repository root for full details.
*/
import { beforeEach, expect, test, vi } from "vitest";
import { LotusWidgetActions } from "./lotusActions";
import {
clearScreenshareAudio,
reportScreenshareAudio,
resetScreenshareAudioPresence,
} from "./lotusScreenshareAudio";
const send = vi.fn().mockResolvedValue({});
vi.mock("../widget", () => ({
widget: {
api: { transport: { send: (...a: unknown[]): unknown => send(...a) } },
},
}));
const sent = (): unknown[] =>
send.mock.calls
.filter(([action]) => action === LotusWidgetActions.ScreenshareAudioState)
.map(([, data]) => data);
beforeEach(() => {
resetScreenshareAudioPresence();
send.mockClear();
});
test("[cinny #277] reports presence only when the combined answer changes", () => {
reportScreenshareAudio("sfu-a", false);
reportScreenshareAudio("sfu-a", false);
reportScreenshareAudio("sfu-a", true);
reportScreenshareAudio("sfu-a", true);
reportScreenshareAudio("sfu-a", false);
expect(sent()).toEqual([
{ present: false },
{ present: true },
{ present: false },
]);
});
test("[cinny #277] any room with screenshare audio counts as present", () => {
reportScreenshareAudio("sfu-a", true);
reportScreenshareAudio("sfu-b", false);
expect(sent()).toEqual([{ present: true }]);
// A share is still playing in sfu-b after sfu-a's stops.
reportScreenshareAudio("sfu-b", true);
reportScreenshareAudio("sfu-a", false);
expect(sent()).toEqual([{ present: true }]);
// The renderer for sfu-b unmounts (call left): nothing is playing.
clearScreenshareAudio("sfu-b");
expect(sent()).toEqual([{ present: true }, { present: false }]);
});