Function expect

packages/pg/test/test-helper.js:27–61

(callback, timeout)

  process.exit(255)
})
const expect = function (callback, timeout) {
  const executed = false
  timeout = timeout || parseInt(process.env.TEST_TIMEOUT) || 5000
  const id = setTimeout(function () {
    assert.ok(
      executed,
      'Expected execution of function to be fired within ' +
        timeout +
        ' milliseconds ' +
        ' (hint: export TEST_TIMEOUT=<timeout in milliseconds>' +
        ' to change timeout globally)' +
        callback.toString()
    )
  }, timeout)

  if (callback.length < 3) {
    return function (err, queryResult) {
      clearTimeout(id)
      if (err) {
        assert.ok(err instanceof Error, 'Expected errors to be instances of Error: ' + sys.inspect(err))
      }
      callback.apply(this, arguments)
    }
  } else if (callback.length == 3) {
    return function (err, arg1, arg2) {
      clearTimeout(id)
      if (err) {
        assert.ok(err instanceof Error, 'Expected errors to be instances of Error: ' + sys.inspect(err))
      }
      callback.apply(this, arguments)
    }
  } else {
    throw new Error('Unsupported arrity ' + callback.length)
  }
}
// print out the filename
process.stdout.write(require('path').basename(process.argv[1]))
if (isNativeMode) process.stdout.write(' (native)')