63 lines
2.0 KiB
TypeScript
63 lines
2.0 KiB
TypeScript
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/*
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Copyright 2026 Element Creations Ltd.
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SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial
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Please see LICENSE in the repository root for full details.
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*/
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import { describe, expect, it, vi } from "vitest";
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import { type LocalVideoTrack } from "livekit-client";
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import {
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type BackgroundOptions,
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type ProcessorWrapper,
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} from "@livekit/track-processors";
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import { applyProcessor } from "./TrackProcessorContext";
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const processor = {} as ProcessorWrapper<BackgroundOptions>;
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function mockTrack(
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readyState: MediaStreamTrackState,
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current?: ProcessorWrapper<BackgroundOptions>,
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): LocalVideoTrack {
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return {
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mediaStreamTrack: { readyState },
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getProcessor: vi.fn().mockReturnValue(current),
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setProcessor: vi.fn().mockResolvedValue(undefined),
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stopProcessor: vi.fn().mockResolvedValue(undefined),
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} as unknown as LocalVideoTrack;
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}
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describe("applyProcessor", () => {
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it("attaches the processor to a live track", () => {
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const track = mockTrack("live");
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applyProcessor(track, processor);
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expect(track.setProcessor).toHaveBeenCalledWith(processor);
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});
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it("does not attach the processor to an ended track", () => {
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const track = mockTrack("ended");
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applyProcessor(track, processor);
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expect(track.setProcessor).not.toHaveBeenCalled();
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});
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it("does not surface a rejected setProcessor", async () => {
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const track = mockTrack("live");
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vi.mocked(track.setProcessor).mockRejectedValue(
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new TypeError("Input track cannot be ended"),
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);
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const unhandled = vi.fn();
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process.on("unhandledRejection", unhandled);
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applyProcessor(track, processor);
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await new Promise((r) => setTimeout(r, 0));
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process.off("unhandledRejection", unhandled);
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expect(unhandled).not.toHaveBeenCalled();
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});
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it("stops the processor when none is wanted", () => {
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const track = mockTrack("live", processor);
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applyProcessor(track, undefined);
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expect(track.stopProcessor).toHaveBeenCalled();
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});
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});
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