def test_should_write_utf8_command_to_named_pipe(self, mock_time, mock_open):
mock_open.return_value = MagicMock(spec=file)
mock_time.return_value = '123'
perform_command(u'FOO;bär', '/path/to/commandfile.cmd')
mock_file = mock_open.return_value.__enter__.return_value
mock_file.write.assert_called_with(b'[123] FOO;b\xc3\xa4r\n')
def test_should_write_command_in_correct_syntax_to_named_pipe(self, mock_time, mock_open):
mock_open.return_value = MagicMock(spec=file)
mock_time.return_value = '123'
perform_command('FOO;bar', '/path/to/commandfile.cmd')
self.assertEqual(mock_open.call_args, call('/path/to/commandfile.cmd', 'w'))
mock_file = mock_open.return_value.__enter__.return_value
mock_file.write.assert_called_with(b'[123] FOO;bar\n')
