Function growWalThenSigkill

__tests__/wal-heal.test.ts:59–76

(dbPath: string, targetBytes: number)

`;

async function growWalThenSigkill(dbPath: string, targetBytes: number): Promise<void> {
  const child = spawn(process.execPath, ['-e', WRITER_SOURCE, dbPath, String(targetBytes)], {
    stdio: ['ignore', 'pipe', 'inherit'],
    // Keep the child's cwd off the temp dir (Windows EPERM-on-cleanup quirk).
    cwd: os.tmpdir(),
  });
  await new Promise<void>((resolve, reject) => {
    let out = '';
    child.stdout!.on('data', (d) => {
      out += String(d);
      if (out.includes('READY')) resolve();
    });
    child.on('exit', (code) => reject(new Error(`writer exited early (code ${code})`)));
    setTimeout(() => reject(new Error('timed out growing the WAL')), 90_000);
  });
  child.kill('SIGKILL');
  await new Promise((r) => child.on('exit', r));
}

describe('WAL heal after killed sessions (#1431)', () => {
  let dir: string;