def test_is_in_docker_container_with_io_error(self, mocked_os):
'''Test is_in_docker_container method in case of IOErrror'''
expected_value = False
mocked_open_function = mock_open()
mocked_open_function.side_effect = IOError
mocked_os.getenv.return_value = None
with patch("metaparticle_pkg.containerize.open", mocked_open_function):
actual_value = containerize.is_in_docker_container()
self.assertEqual(actual_value, expected_value)
def test_is_in_docker_container_with_zero_in_env(self, mocked_os):
'''Test is_in_docker_container method for scenario
when METAPARTICLE_IN_CONTAINER environment
variable contains value '0'.
'''
expected_value = False
mocked_os.getenv.return_value = '0'
actual_value = containerize.is_in_docker_container()
self.assertEqual(actual_value, expected_value)
def test_is_in_docker_container_with_docker_in_last_line(self, mocked_os):
'''Test is_in_docker_container method
in case of word "docker" in last line
'''
expected_value = True
mocked_open_function = mock_open(read_data='line1\ndocker')
mocked_os.getenv.return_value = None
with patch("metaparticle_pkg.containerize.open", mocked_open_function):
actual_value = containerize.is_in_docker_container()
self.assertEqual(actual_value, expected_value)
