import {test} from 'node:test';
import assert from 'node:assert/strict';
import {kalemleriGetir} from '../src/services/kalem.js';
test('empty shared inventory is distinct from HTTP errors and malformed responses',async()=>{
 const original=globalThis.fetch;
 try {
  globalThis.fetch=async()=>Response.json({success:true,kalemler:[]});
  assert.deepEqual((await kalemleriGetir('2026/123')).kalemler,[]);
  for(const response of [Response.json({success:true,kalemler:[]},{status:503}),Response.json({success:true}),new Response('Bad gateway')]) {
   globalThis.fetch=async()=>response;await assert.rejects(kalemleriGetir('2026/123'),/alınamadı/);
  }
 } finally {globalThis.fetch=original;}
});
test('shared inventory waits are bounded and can be cancelled on tender change',async()=>{
 const original=globalThis.fetch;
 try {
  globalThis.fetch=async(url,{signal})=>new Promise((resolve,reject)=>{
   const cancel=()=>reject(new DOMException('Aborted','AbortError'));
   if(signal.aborted)cancel();else signal.addEventListener('abort',cancel,{once:true});
  });
  await assert.rejects(kalemleriGetir('2026/123',{timeoutMs:5}),/zaman aşımı/);
  const c=new AbortController();const pending=kalemleriGetir('2026/123',{signal:c.signal});c.abort();
  await assert.rejects(pending,{name:'AbortError'});
 } finally {globalThis.fetch=original;}
});