Add unit tests, revert vite base path change

Signed-off-by: Ryan Emmick <ryanemmick4@gmail.com>

src/livekit/options.test.ts

@@ -0,0 +1,165 @@
+/*
+Copyright 2026 Element Creations Ltd.
+
+SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial
+Please see LICENSE in the repository root for full details.
+*/
+
+import { describe, expect, it, vi } from "vitest";
+import { VideoPresets } from "livekit-client";
+
+import { buildLiveKitOptions, getLiveKitOptions } from "./options";
+import { Config } from "../config/Config";
+
+vi.mock("../config/Config", () => ({
+  Config: {
+    get: vi.fn(),
+  },
+}));
+
+describe("buildLiveKitOptions", () => {
+  it("returns sensible defaults with no config", () => {
+    const opts = buildLiveKitOptions();
+    expect(opts.adaptiveStream).toBe(true);
+    expect(opts.dynacast).toBe(true);
+    expect(opts.videoCaptureDefaults?.resolution).toEqual(
+      VideoPresets.h720.resolution,
+    );
+    expect(opts.publishDefaults?.videoCodec).toBe("vp8");
+    expect(opts.publishDefaults?.videoEncoding).toEqual({
+      maxBitrate: 1_700_000,
+      maxFramerate: 30,
+    });
+    expect(opts.publishDefaults?.screenShareEncoding).toEqual({
+      maxBitrate: 5_000_000,
+      maxFramerate: 30,
+    });
+    expect(opts.publishDefaults?.videoSimulcastLayers).toEqual([
+      VideoPresets.h180,
+      VideoPresets.h360,
+    ]);
+  });
+
+  it("applies video codec from config", () => {
+    const opts = buildLiveKitOptions({ video_codec: "vp9" });
+    expect(opts.publishDefaults?.videoCodec).toBe("vp9");
+  });
+
+  it("applies video resolution and encoding from config", () => {
+    const opts = buildLiveKitOptions({
+      video: {
+        max_resolution: 1080,
+        max_bitrate: 3_000_000,
+        max_framerate: 60,
+      },
+    });
+    expect(opts.videoCaptureDefaults?.resolution).toEqual(
+      VideoPresets.h1080.resolution,
+    );
+    expect(opts.publishDefaults?.videoEncoding).toEqual({
+      maxBitrate: 3_000_000,
+      maxFramerate: 60,
+    });
+  });
+
+  it("applies screen share encoding from config", () => {
+    const opts = buildLiveKitOptions({
+      screen_share: {
+        max_bitrate: 8_000_000,
+        max_framerate: 15,
+      },
+    });
+    expect(opts.publishDefaults?.screenShareEncoding).toEqual({
+      maxBitrate: 8_000_000,
+      maxFramerate: 15,
+    });
+  });
+
+  it("uses 720p screen share preset for low resolution", () => {
+    const opts = buildLiveKitOptions({
+      screen_share: {
+        max_resolution: 720,
+      },
+    });
+    expect(opts.publishDefaults?.screenShareEncoding).toEqual({
+      maxBitrate: 2_000_000,
+      maxFramerate: 30,
+    });
+  });
+
+  it("applies custom video simulcast layers", () => {
+    const opts = buildLiveKitOptions({
+      video: {
+        simulcast_layers: [
+          { height: 180, bitrate: 100_000 },
+          { height: 360, bitrate: 300_000 },
+          { height: 540, bitrate: 600_000 },
+        ],
+        max_framerate: 24,
+      },
+    });
+    const layers = opts.publishDefaults?.videoSimulcastLayers;
+    expect(layers).toHaveLength(3);
+    expect(layers?.[0]).toMatchObject({
+      width: 320,
+      height: 180,
+      encoding: { maxBitrate: 100_000, maxFramerate: 24 },
+    });
+    expect(layers?.[2]).toMatchObject({
+      width: 960,
+      height: 540,
+      encoding: { maxBitrate: 600_000, maxFramerate: 24 },
+    });
+  });
+
+  it("applies custom screen share simulcast layers", () => {
+    const opts = buildLiveKitOptions({
+      screen_share: {
+        simulcast_layers: [{ height: 540, bitrate: 1_000_000, framerate: 5 }],
+      },
+    });
+    const layers = opts.publishDefaults?.screenShareSimulcastLayers;
+    expect(layers).toHaveLength(1);
+    expect(layers?.[0]).toMatchObject({
+      width: 960,
+      height: 540,
+      encoding: { maxBitrate: 1_000_000, maxFramerate: 5 },
+    });
+  });
+
+  it("does not include screenShareSimulcastLayers when not configured", () => {
+    const opts = buildLiveKitOptions();
+    expect(opts.publishDefaults?.screenShareSimulcastLayers).toBeUndefined();
+  });
+
+  it("backupCodec always uses stock VP8 720p encoding", () => {
+    const opts = buildLiveKitOptions({
+      video_codec: "av1",
+      video: { max_bitrate: 10_000_000, max_framerate: 60 },
+    });
+    const backup = opts.publishDefaults?.backupCodec as {
+      codec: string;
+      encoding: { maxBitrate: number; maxFramerate: number };
+    };
+    expect(backup.codec).toBe("vp8");
+    expect(backup.encoding).toEqual(VideoPresets.h720.encoding);
+  });
+});
+
+describe("getLiveKitOptions", () => {
+  it("reads from Config singleton", () => {
+    vi.mocked(Config.get).mockReturnValue({
+      media_quality: { video_codec: "h264" },
+    } as ReturnType<typeof Config.get>);
+    const opts = getLiveKitOptions();
+    expect(opts.publishDefaults?.videoCodec).toBe("h264");
+  });
+
+  it("falls back to defaults when Config throws", () => {
+    vi.mocked(Config.get).mockImplementation(() => {
+      throw new Error("Config not initialized");
+    });
+    const opts = getLiveKitOptions();
+    expect(opts.publishDefaults?.videoCodec).toBe("vp8");
+  });
+});