denpa-radio/streamer/tests/nowplaying.test.ts

103 lines
3.2 KiB
TypeScript

import { describe, expect, it, beforeEach, afterEach } from "vitest";
import { mkdtempSync, writeFileSync, rmSync, cpSync } from "node:fs";
import { tmpdir } from "node:os";
import { join } from "node:path";
import { NowPlayingWatcher } from "../src/nowplaying.ts";
let tmpRoot: string;
beforeEach(() => {
tmpRoot = mkdtempSync(join(tmpdir(), "denpa-np-"));
cpSync("tests/fixtures/now-playing", join(tmpRoot, "now-playing"), { recursive: true });
cpSync("tests/fixtures/library", join(tmpRoot, "library"), { recursive: true });
});
afterEach(() => {
rmSync(tmpRoot, { recursive: true, force: true });
});
describe("NowPlayingWatcher", () => {
it("reads initial state from disk", async () => {
const watcher = new NowPlayingWatcher({
station: "minecraft",
nowPlayingDir: join(tmpRoot, "now-playing"),
libraryDir: join(tmpRoot, "library"),
});
await watcher.start();
const state = watcher.current();
expect(state).not.toBeNull();
expect(state!.title).toBe("Sweden");
expect(state!.cover_url).toMatch(/^\/cover\?path=/);
expect(state!.up_next).toHaveLength(1);
watcher.stop();
});
it("rewrites cover_path to /cover?path=… url", async () => {
const watcher = new NowPlayingWatcher({
station: "minecraft",
nowPlayingDir: join(tmpRoot, "now-playing"),
libraryDir: join(tmpRoot, "library"),
});
await watcher.start();
expect(watcher.current()!.cover_url).toContain(
encodeURIComponent("/library/minecraft/tracks/Volume Alpha/cover.jpg"),
);
watcher.stop();
});
it("emits change events on file rewrite", async () => {
const watcher = new NowPlayingWatcher({
station: "minecraft",
nowPlayingDir: join(tmpRoot, "now-playing"),
libraryDir: join(tmpRoot, "library"),
});
await watcher.start();
let changes = 0;
watcher.on("change", () => changes++);
const newPayload = JSON.stringify({
station: "minecraft",
title: "Pigstep",
artist: "Lena Raine",
album: "Nether Update",
filename: "/library/minecraft/tracks/Nether/01. Pigstep.flac",
duration: "148",
started_at: "1730358500",
cover_path: "",
up_next: [],
});
writeFileSync(join(tmpRoot, "now-playing", "minecraft.json"), newPayload);
await new Promise((r) => setTimeout(r, 200));
expect(changes).toBeGreaterThan(0);
expect(watcher.current()!.title).toBe("Pigstep");
watcher.stop();
});
it("falls back to station cover when track cover missing", async () => {
const payload = JSON.stringify({
station: "minecraft",
title: "Untagged Track",
artist: "?",
album: "?",
filename: "/library/minecraft/tracks/UnknownAlbum/track.flac",
duration: "120",
started_at: "1730358000",
cover_path: "",
up_next: [],
});
writeFileSync(join(tmpRoot, "now-playing", "minecraft.json"), payload);
const watcher = new NowPlayingWatcher({
station: "minecraft",
nowPlayingDir: join(tmpRoot, "now-playing"),
libraryDir: join(tmpRoot, "library"),
});
await watcher.start();
expect(watcher.current()!.cover_url).toContain(
encodeURIComponent("/library/minecraft/cover.jpg"),
);
watcher.stop();
});
});