Function getDnsMock

test/unit/utils-tests.js:258–269

(addressesOrErr)

});

function getDnsMock(addressesOrErr) {
  return {
    resolve4: (name, cb) => {
      if (Array.isArray(addressesOrErr)) {
        // Use a copy of the addresses
        process.nextTick(() => cb(null, Array.from(addressesOrErr)));
      } else {
        process.nextTick(() => cb(addressesOrErr));
      }
    }
  };
}