test.py

#!/usr/bin/env python

##
## This file is part of the sigrok-meter project.
##
## Copyright (C) 2015 Jens Steinhauser <jens.steinhauser@gmail.com>
##
## This program is free software; you can redistribute it and/or modify
## it under the terms of the GNU General Public License as published by
## the Free Software Foundation; either version 2 of the License, or
## (at your option) any later version.
##
## This program is distributed in the hope that it will be useful,
## but WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
## GNU General Public License for more details.
##
## You should have received a copy of the GNU General Public License
## along with this program; if not, see <http://www.gnu.org/licenses/>.
##

import sigrok.core as sr
import unittest

if __name__ == '__main__':
    import qtcompat
    qtcompat.load_modules(False)
    import acquisition

class TestDriverstringParsing(unittest.TestCase):
    def setUp(self):
        self.context = sr.Context_create()
        self.a = acquisition.Acquisition(self.context)

    def test_valid_driverstring(self):
        self.assertEqual(
            self.a._parse_driverstring('demo'),
            ('demo', {}))
        self.assertEqual(
            self.a._parse_driverstring('demo:samplerate=1'),
            ('demo', {'samplerate': 1}))
        self.assertEqual(
            self.a._parse_driverstring('demo:samplerate=1:analog_channels=1'),
            ('demo', {'samplerate': 1, 'analog_channels': 1}))

    def test_invalid_driverstring(self):
        self.assertRaisesRegexp(ValueError, 'is not a valid driver string',
            self.a._parse_driverstring, '')
        self.assertRaisesRegexp(ValueError, 'is not a valid driver string',
            self.a._parse_driverstring, ':')
        self.assertRaisesRegexp(ValueError, 'is not a valid driver string',
            self.a._parse_driverstring, ':a')
        self.assertRaisesRegexp(ValueError, 'is not a valid driver string',
            self.a._parse_driverstring, 'd:a')
        self.assertRaisesRegexp(ValueError, 'is not a valid driver string',
            self.a._parse_driverstring, 'd:a=')
        self.assertRaisesRegexp(ValueError, 'is not a valid driver string',
            self.a._parse_driverstring, 'd:a=:')
        self.assertRaisesRegexp(ValueError, 'is not a valid driver string',
            self.a._parse_driverstring, 'd:a=b:')
        self.assertRaisesRegexp(ValueError, 'is not a valid driver string',
            self.a._parse_driverstring, 'd:=b:')
        self.assertRaisesRegexp(ValueError, 'is not a valid driver string',
            self.a._parse_driverstring, 'd:=:')
        self.assertRaisesRegexp(ValueError, 'is not a valid driver string',
            self.a._parse_driverstring, 'd:=')

if __name__ == '__main__':
    unittest.main()