# copyright 2003-2010 LOGILAB S.A. (Paris, FRANCE), all rights reserved.

# contact http://www.logilab.fr/ -- mailto:contact@logilab.fr

#

# This file is part of CubicWeb.

#

# CubicWeb is free software: you can redistribute it and/or modify it under the

# terms of the GNU Lesser General Public License as published by the Free

# Software Foundation, either version 2.1 of the License, or (at your option)

# any later version.

#

# CubicWeb 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 Lesser General Public License for more

# details.

#

# You should have received a copy of the GNU Lesser General Public License along

# with CubicWeb.  If not, see <http://www.gnu.org/licenses/>.

"""unit tests for cubicweb.devtools.fill module

"""

import re

from logilab.common.testlib import TestCase, unittest_main

from cubicweb.devtools.fill import ValueGenerator, _ValueGenerator

ISODATE_SRE = re.compile('(?P<year>\d{4})-(?P<month>\d{2})-(?P<day>\d{2})$')

class AutoExtendableTC(TestCase):

    def setUp(self):

        self.attrvalues = dir(_ValueGenerator)

    def tearDown(self):

        attrvalues = set(dir(_ValueGenerator))

        for attrname in attrvalues - set(self.attrvalues):

            delattr(_ValueGenerator, attrname)

    def test_autoextend(self):

        self.assertNotIn('generate_server', dir(ValueGenerator))

        class MyValueGenerator(ValueGenerator):

            def generate_server(self, index):

                return attrname

        self.assertIn('generate_server', dir(ValueGenerator))

    def test_bad_signature_detection(self):

        self.assertNotIn('generate_server', dir(ValueGenerator))

        try:

            class MyValueGenerator(ValueGenerator):

                def generate_server(self):

                    pass

        except TypeError:

            self.assertNotIn('generate_server', dir(ValueGenerator))

        else:

            self.fail('TypeError not raised')

    def test_signature_extension(self):

        self.assertNotIn('generate_server', dir(ValueGenerator))

        class MyValueGenerator(ValueGenerator):

            def generate_server(self, index, foo):

                pass

        self.assertIn('generate_server', dir(ValueGenerator))

if __name__ == '__main__':

    unittest_main()