diff --git a/test/server.test.mjs b/test/server.test.mjs
new file mode 100644
index 0000000..43c5003
--- /dev/null
+++ b/test/server.test.mjs
@@ -0,0 +1,2 @@
+import test from "node:test";import assert from "node:assert/strict";import {spawn} from "node:child_process";import {mkdtemp} from "node:fs/promises";import {tmpdir} from "node:os";import {join} from "node:path";
+test("health, seed, receive, sell and restock",async t=>{const data=await mkdtemp(join(tmpdir(),"stockroom-")),port=31991,p=spawn(process.execPath,["server.mjs"],{cwd:import.meta.dirname+"/..",env:{...process.env,DATA_DIR:data,PORT:String(port)}});t.after(()=>p.kill());await new Promise((ok,no)=>{p.stdout.on("data",d=>String(d).includes("listening")&&ok());p.on("error",no)});let r=await fetch(`http://127.0.0.1:${port}/api/products`),items=await r.json();assert.equal(items.length,10);r=await fetch(`http://127.0.0.1:${port}/api/products`,{method:"POST",headers:{"content-type":"application/json"},body:JSON.stringify({uid:"U1",model:"V3 Plus",condition:"New",receivedAt:"2026-08-29"})});assert.equal(r.status,201);const item=await r.json();r=await fetch(`http://127.0.0.1:${port}/api/products/${item.id}/sell`,{method:"POST",headers:{"content-type":"application/json"},body:JSON.stringify({customerName:"Test",soldAt:"2026-08-29"})});assert.equal((await r.json()).status,"sold");r=await fetch(`http://127.0.0.1:${port}/api/products/${item.id}/restock`,{method:"POST",headers:{"content-type":"application/json"},body:JSON.stringify({condition:"Used",receivedAt:"2026-08-29"})});assert.equal((await r.json()).status,"available")});