Function isPi

test/common/index.js:187–199

()

const isRiscv64 = process.arch === 'riscv64';
const isDebug = process.features.debug;
function isPi() {
  try {
    // Normal Raspberry Pi detection is to find the `Raspberry Pi` string in
    // the contents of `/sys/firmware/devicetree/base/model` but that doesn't
    // work inside a container. Match the chipset model number instead.
    const cpuinfo = fs.readFileSync('/proc/cpuinfo', { encoding: 'utf8' });
    const ok = /^Hardware\s*:\s*(.*)$/im.exec(cpuinfo)?.[1] === 'BCM2835';
    /^/.test('');  // Clear RegExp.$_, some tests expect it to be empty.
    return ok;
  } catch {
    return false;
  }
}

// When using high concurrency or in the CI we need much more time for each connection attempt.
// Default 500ms becomes 2500ms for tests.