Add media hosting and store tests

src/media/server.test.ts

@@ -0,0 +1,52 @@
+import fs from "node:fs/promises";
+import type { AddressInfo } from "node:net";
+import path from "node:path";
+
+import { afterAll, beforeAll, describe, expect, it, vi } from "vitest";
+
+const MEDIA_DIR = path.join(process.cwd(), "tmp-media-test");
+const cleanOldMedia = vi.fn().mockResolvedValue(undefined);
+
+vi.mock("./store.js", () => ({
+	getMediaDir: () => MEDIA_DIR,
+	cleanOldMedia,
+}));
+
+const { startMediaServer } = await import("./server.js");
+
+describe("media server", () => {
+	beforeAll(async () => {
+		await fs.rm(MEDIA_DIR, { recursive: true, force: true });
+		await fs.mkdir(MEDIA_DIR, { recursive: true });
+	});
+
+	afterAll(async () => {
+		await fs.rm(MEDIA_DIR, { recursive: true, force: true });
+	});
+
+	it("serves media and cleans up after send", async () => {
+		const file = path.join(MEDIA_DIR, "file1");
+		await fs.writeFile(file, "hello");
+		const server = await startMediaServer(0, 5_000);
+		const port = (server.address() as AddressInfo).port;
+		const res = await fetch(`http://localhost:${port}/media/file1`);
+		expect(res.status).toBe(200);
+		expect(await res.text()).toBe("hello");
+		await new Promise((r) => setTimeout(r, 600));
+		await expect(fs.stat(file)).rejects.toThrow();
+		await new Promise((r) => server.close(r));
+	});
+
+	it("expires old media", async () => {
+		const file = path.join(MEDIA_DIR, "old");
+		await fs.writeFile(file, "stale");
+		const past = Date.now() - 10_000;
+		await fs.utimes(file, past / 1000, past / 1000);
+		const server = await startMediaServer(0, 1_000);
+		const port = (server.address() as AddressInfo).port;
+		const res = await fetch(`http://localhost:${port}/media/old`);
+		expect(res.status).toBe(410);
+		await expect(fs.stat(file)).rejects.toThrow();
+		await new Promise((r) => server.close(r));
+	});
+});