From 574a96050bd6f514d4da73ff5c21fe0cb8a91bfb Mon Sep 17 00:00:00 2001
From: Peter Steinberger <steipete@gmail.com>
Date: Mon, 24 Nov 2025 17:45:49 +0100
Subject: [PATCH] Add utility tests for paths, prefixes, and sleep

---
 src/utils.test.ts | 65 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 65 insertions(+)
 create mode 100644 src/utils.test.ts

diff --git a/src/utils.test.ts b/src/utils.test.ts
new file mode 100644
index 000000000..e84015ff1
--- /dev/null
+++ b/src/utils.test.ts
@@ -0,0 +1,65 @@
+import fs from "node:fs";
+import os from "node:os";
+import path from "node:path";
+import { describe, expect, it, vi } from "vitest";
+import {
+	assertProvider,
+	ensureDir,
+	normalizeE164,
+	normalizePath,
+	sleep,
+	toWhatsappJid,
+	withWhatsAppPrefix,
+} from "./utils.js";
+
+describe("normalizePath", () => {
+	it("adds leading slash when missing", () => {
+		expect(normalizePath("foo")).toBe("/foo");
+	});
+
+	it("keeps existing slash", () => {
+		expect(normalizePath("/bar")).toBe("/bar");
+	});
+});
+
+describe("withWhatsAppPrefix", () => {
+	it("adds whatsapp prefix", () => {
+		expect(withWhatsAppPrefix("+1555")).toBe("whatsapp:+1555");
+	});
+
+	it("leaves prefixed intact", () => {
+		expect(withWhatsAppPrefix("whatsapp:+1555")).toBe("whatsapp:+1555");
+	});
+});
+
+describe("ensureDir", () => {
+	it("creates nested directory", async () => {
+		const tmp = await fs.promises.mkdtemp(path.join(os.tmpdir(), "warelay-test-"));
+		const target = path.join(tmp, "nested", "dir");
+		await ensureDir(target);
+		expect(fs.existsSync(target)).toBe(true);
+	});
+});
+
+describe("sleep", () => {
+	it("resolves after delay using fake timers", async () => {
+		vi.useFakeTimers();
+		const promise = sleep(1000);
+		vi.advanceTimersByTime(1000);
+		await expect(promise).resolves.toBeUndefined();
+		vi.useRealTimers();
+	});
+});
+
+describe("assertProvider", () => {
+	it("throws for invalid provider", () => {
+		expect(() => assertProvider("bad" as string)).toThrow();
+	});
+});
+
+describe("normalizeE164 & toWhatsappJid", () => {
+	it("strips formatting and prefixes", () => {
+		expect(normalizeE164("whatsapp:(555) 123-4567")).toBe("+5551234567");
+		expect(toWhatsappJid("whatsapp:+555 123 4567")).toBe("5551234567@s.whatsapp.net");
+	});
+});