text: # Copyright (c) 2018, NVIDIA CORPORATION.  All rights reserved.
  #
  # Licensed under the Apache License, Version 2.0 (the "License");
  # you may not use this file except in compliance with the License.
  # You may obtain a copy of the License at
  #
  #     http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS,
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  # See the License for the specific language governing permissions and
  # limitations under the License.
  
  # pylint: disable=invalid-name, too-few-public-methods, bad-continuation
  
  """Test cases for the user module"""
  
  from __future__ import unicode_literals
  from __future__ import print_function
  
  import logging # pylint: disable=unused-import
  import unittest
  
  from helpers import bash, docker, invalid_ctype, singularity
  
  from hpccm.primitives.user import user
  
  class Test_user(unittest.TestCase):
      def setUp(self):
          """Disable logging output messages"""
          logging.disable(logging.ERROR)
  
      @docker
      def test_empty(self):
          """No user specified"""
          u = user()
          self.assertEqual(str(u), '')
  
      @invalid_ctype
      def test_invalid_ctype(self):
          """Invalid container type specified"""
          u = user(user='root')
          with self.assertRaises(RuntimeError):
              str(u)
  
      @docker
      def test_docker(self):
          """User specified"""
          u = user(user='root')
          self.assertEqual(str(u), 'USER root')
  
      @singularity
      def test_singularity(self):
          """User specified"""
          u = user(user='root')
          self.assertEqual(str(u), '')
  
      @bash
      def test_bash(self):
          """User specified"""
          u = user(user='root')
          self.assertEqual(str(u), '')
  