test

2026-07-17 13:23:12 -05:00
parent 0219081682
commit 9a274811e8
16 changed files with 594 additions and 29 deletions
@@ -0,0 +1,52 @@
+import { describe, expect, test } from "bun:test";
+import { AdaptiveDesktopQuality, automaticBitrateMbps, normalizeAdaptiveProfiles } from "./rd-adaptive-quality.js";
+
+const profiles = [
+  { maxHeight: 720, width: 1280, height: 720, fps: 60 },
+  { maxHeight: 1080, width: 1920, height: 1080, fps: 60 },
+  { maxHeight: -1, width: 2560, height: 1440, fps: 144 },
+];
+
+describe("adaptive remote desktop quality", () => {
+  test("ranks native resolution first and starts at the best profile", () => {
+    const ranked = normalizeAdaptiveProfiles(profiles);
+    expect(ranked.map((profile) => profile.height)).toEqual([1440, 1080, 720]);
+    const targets: any[] = [];
+    const controller = new AdaptiveDesktopQuality((target) => targets.push(target));
+    controller.setProfiles(profiles);
+    controller.start(0);
+    expect(targets[0].height).toBe(1440);
+    expect(targets[0].fps).toBe(144);
+    expect(targets[0].bitrateMbps).toBe(automaticBitrateMbps(ranked[0]));
+  });
+
+  test("requires sustained congestion before reducing bitrate and then profile", () => {
+    const targets: any[] = [];
+    const controller = new AdaptiveDesktopQuality((target) => targets.push(target), { cooldownMs: 1 });
+    controller.setProfiles(profiles);
+    controller.start(0);
+    const bad = { rttMs: 300, video: { lossPercent: 7, framesDroppedDelta: 4, framesPerSecond: 40 } };
+    expect(controller.sample(bad, { fps: 144 }, 10)).toBeNull();
+    expect(controller.sample(bad, { fps: 144 }, 11)?.height).toBe(1440);
+    expect(controller.sample(bad, { fps: 144 }, 20)).toBeNull();
+    expect(controller.sample(bad, { fps: 144 }, 21)?.height).toBe(1080);
+  });
+
+  test("slowly recovers after stable feedback", () => {
+    const controller = new AdaptiveDesktopQuality(() => {}, {
+      cooldownMs: 1,
+      badSamplesRequired: 1,
+      stableSamplesRequired: 2,
+    });
+    controller.setProfiles(profiles);
+    controller.start(0);
+    const bad = { rttMs: 300, video: { lossPercent: 8, framesDroppedDelta: 5, framesPerSecond: 20 } };
+    controller.sample(bad, { fps: 144 }, 2);
+    controller.sample(bad, { fps: 144 }, 4);
+    expect(controller.current()?.profile.height).toBe(1080);
+    const stable = { rttMs: 30, video: { lossPercent: 0, framesDroppedDelta: 0, framesPerSecond: 60, jitterBufferMs: 5 } };
+    expect(controller.sample(stable, { fps: 60 }, 6)).toBeNull();
+    const recovered = controller.sample(stable, { fps: 60 }, 7);
+    expect(recovered?.height).toBe(1440);
+  });
+});