def read(*parts):
    """
    Build an absolute path from *parts* and and return the contents of the
    resulting file.  Assume UTF-8 encoding.
    """
    with codecs.open(os.path.join(HERE, *parts), "rb", "utf-8") as f:
        return f.read()
def test_login(self, mock_login_with_token, mock_input, mock_open_url):
        quilt3.login()

        url = quilt3.session.get_registry_url()

        mock_open_url.assert_called_with(f'{url}/login')
        mock_login_with_token.assert_called_with('123456')