new_contents: # coding=utf-8
  
  import unittest
  from mock import mock
  
  from conans.client.userio import UserIO
  
  
  class UserIOTest(unittest.TestCase):
  
      @mock.patch("conans.client.userio.UserIO.get_username", return_value="username")
      @mock.patch("conans.client.userio.UserIO.get_password", return_value="passwd")
      def test_request_login(self, m1, m2):
          user_io = UserIO()
  
          # Use mocked ones
          u, p = user_io.request_login(remote_name="lol")
          self.assertEqual(u, "username")
          self.assertEqual(p, "passwd")
  
          # Use from argument
          username = "it's me!"
          u, p = user_io.request_login(remote_name="lol", username=username)
          self.assertEqual(u, username)
          self.assertEqual(p, "passwd")
  
subject: add test for UserIO::request_login