53 lines
2.4 KiB
TypeScript
53 lines
2.4 KiB
TypeScript
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import { describe, expect, test } from "bun:test";
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import { AdaptiveDesktopQuality, automaticBitrateMbps, normalizeAdaptiveProfiles } from "./rd-adaptive-quality.js";
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const profiles = [
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{ maxHeight: 720, width: 1280, height: 720, fps: 60 },
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{ maxHeight: 1080, width: 1920, height: 1080, fps: 60 },
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{ maxHeight: -1, width: 2560, height: 1440, fps: 144 },
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];
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describe("adaptive remote desktop quality", () => {
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test("ranks native resolution first and starts at the best profile", () => {
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const ranked = normalizeAdaptiveProfiles(profiles);
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expect(ranked.map((profile) => profile.height)).toEqual([1440, 1080, 720]);
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const targets: any[] = [];
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const controller = new AdaptiveDesktopQuality((target) => targets.push(target));
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controller.setProfiles(profiles);
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controller.start(0);
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expect(targets[0].height).toBe(1440);
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expect(targets[0].fps).toBe(144);
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expect(targets[0].bitrateMbps).toBe(automaticBitrateMbps(ranked[0]));
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});
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test("requires sustained congestion before reducing bitrate and then profile", () => {
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const targets: any[] = [];
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const controller = new AdaptiveDesktopQuality((target) => targets.push(target), { cooldownMs: 1 });
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controller.setProfiles(profiles);
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controller.start(0);
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const bad = { rttMs: 300, video: { lossPercent: 7, framesDroppedDelta: 4, framesPerSecond: 40 } };
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expect(controller.sample(bad, { fps: 144 }, 10)).toBeNull();
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expect(controller.sample(bad, { fps: 144 }, 11)?.height).toBe(1440);
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expect(controller.sample(bad, { fps: 144 }, 20)).toBeNull();
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expect(controller.sample(bad, { fps: 144 }, 21)?.height).toBe(1080);
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});
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test("slowly recovers after stable feedback", () => {
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const controller = new AdaptiveDesktopQuality(() => {}, {
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cooldownMs: 1,
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badSamplesRequired: 1,
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stableSamplesRequired: 2,
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});
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controller.setProfiles(profiles);
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controller.start(0);
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const bad = { rttMs: 300, video: { lossPercent: 8, framesDroppedDelta: 5, framesPerSecond: 20 } };
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controller.sample(bad, { fps: 144 }, 2);
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controller.sample(bad, { fps: 144 }, 4);
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expect(controller.current()?.profile.height).toBe(1080);
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const stable = { rttMs: 30, video: { lossPercent: 0, framesDroppedDelta: 0, framesPerSecond: 60, jitterBufferMs: 5 } };
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expect(controller.sample(stable, { fps: 60 }, 6)).toBeNull();
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const recovered = controller.sample(stable, { fps: 60 }, 7);
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expect(recovered?.height).toBe(1440);
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});
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});
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