60 lines
2.0 KiB
TypeScript
60 lines
2.0 KiB
TypeScript
import { describe, it, expect, vi } from "vitest";
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import { PassThrough } from "node:stream";
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vi.mock("node:child_process", async () => {
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const actual = await vi.importActual("node:child_process");
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return {
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...actual,
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spawn: (cmd: string, args: string[], opts: any) => {
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const stdout = new PassThrough();
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const stderr = new PassThrough();
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const listeners: Record<string, Function[]> = {};
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const proc: any = {
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stdout,
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stderr,
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kill: vi.fn(() => {
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(listeners.exit || []).forEach((fn) => fn(0, "SIGKILL"));
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}),
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on: (ev: string, fn: Function) => {
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listeners[ev] = listeners[ev] || [];
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listeners[ev].push(fn);
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},
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off: (ev: string, fn: Function) => {
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listeners[ev] = (listeners[ev] || []).filter((f) => f !== fn);
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},
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stdoutWrite: (d: Buffer | string) => stdout.write(d),
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};
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setTimeout(() => {
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(listeners.exit || []).forEach((fn) => fn(null, null));
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}, 10);
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return proc;
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},
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};
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});
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import { playTranscodedPreparedStream } from "../../src/streaming/index";
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describe("playTranscodedPreparedStream", () => {
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it("pipes transcoder output to session and broadcasts to web", async () => {
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// mock global broadcast
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const broadcasts: Buffer[] = [];
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(globalThis as any).broadcastVideoToWeb = (chunk: Buffer) => broadcasts.push(Buffer.from(chunk));
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const session = {
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connection: { channel: { id: "c" } },
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stream: { playVideo: () => null, playAudio: () => null },
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play: vi.fn().mockImplementation(async (readable) => {
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// consume a bit from readable to simulate playback
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readable.on("data", (d: Buffer) => {});
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// resolve after a short delay
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await new Promise((r) => setTimeout(r, 5));
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}),
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stop: vi.fn(),
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} as any;
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await playTranscodedPreparedStream("http://example.test/stream", session, { fps: 30 });
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expect(session.play).toHaveBeenCalled();
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expect(broadcasts.length).toBeGreaterThanOrEqual(0);
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});
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});
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