// Synthetic examples only. This does not fetch pages or predict indexing.
import fs from 'node:fs';
import assert from 'node:assert/strict';
const examples=JSON.parse(fs.readFileSync(new URL('./language-page-pair-examples.json',import.meta.url),'utf8'));
function check(pages){
  const expected=pages[0].alternates;
  const errors=[];
  for(const page of pages){
    if(page.status!==200)errors.push('not directly available: '+page.url);
    if(page.canonical!==page.url)errors.push('canonical mismatch: '+page.url);
    for(const [lang,url] of Object.entries(expected)){
      if(page.alternates[lang]!==url)errors.push('missing alternate '+lang+': '+page.url);
    }
  }
  return errors;
}
for(const example of examples){
  const result=check(example.pages);
  assert.deepEqual(result,example.expected);
  console.log(JSON.stringify({name:example.name,result,pass:true}));
}