tricu

backend-firefox.mjs (2364B)

---

 import {writeFile} from 'node:fs/promises';
 import {sampleBrowser} from './browser-memory.mjs';
 import {spawn} from 'node:child_process';
 import {mkdtemp,rm} from 'node:fs/promises';
 import {tmpdir} from 'node:os';
 import {resolve} from 'node:path';
 import {startSiteServer} from './backend-server.mjs';
 const {server,url,completion,marks}=await startSiteServer(process.argv[2],true);
 const profile=await mkdtemp(resolve(tmpdir(),'tricu-site-firefox-'));
 let browser,timer,stopMemory;
 try {
   // --profile does not isolate Firefox's global Crash Reports directory.
   // Keep all test state under the temporary root and disable external crash
   // reporting, not browser failure detection (exit/stderr/probe timeout below).
   const env={...process.env,HOME:profile,XDG_CONFIG_HOME:resolve(profile,'config'),
     XDG_CACHE_HOME:resolve(profile,'cache'),XDG_DATA_HOME:resolve(profile,'data'),MOZ_CRASHREPORTER_DISABLE:'1',GSETTINGS_BACKEND:'memory'};
   browser=spawn(process.argv[3]||'firefox',['--headless','--no-remote','--new-instance','--profile',profile,url],{stdio:['ignore','ignore','pipe'],detached:true,env});
   if(process.env.TEST_BENCHMARK)stopMemory=sampleBrowser(browser.pid,marks);
   let log='';browser.stderr.on('data',b=>{log=(log+b).slice(-16000);process.stderr.write(b);});
   const failure=new Promise((_,reject)=>{
     browser.on('error',reject);browser.on('exit',code=>reject(Error('Firefox exited '+code+'\n'+log)));
     timer=setTimeout(()=>reject(Error('Site backend test timed out\n'+log)),180000);
   });
   const report=await Promise.race([completion,failure]);
   if(stopMemory){report.browserMemory=await stopMemory(marks);stopMemory=undefined;}
   if(process.env.BENCHMARK_REPORT)await writeFile(process.env.BENCHMARK_REPORT,JSON.stringify(report,null,2)+'\n');
   if(report.parity)console.log(JSON.stringify(report.parity));
   console.log('PASS actual site '+report.userAgent+': '+report.checks.join(' / '));
 } finally {
   if(stopMemory)await stopMemory(marks);
   clearTimeout(timer);
   if(browser?.pid){const exited=browser.exitCode===null?new Promise(r=>browser.once('exit',r)):Promise.resolve();try{process.kill(-browser.pid,'SIGKILL');}catch(e){if(e.code!=='ESRCH')throw e;}await exited;}
   server.closeAllConnections();await new Promise(r=>server.close(r));
   await rm(profile,{recursive:true,force:true,maxRetries:5,retryDelay:100});
 }