test/unittest_utils.py
author Sylvain Thénault <sylvain.thenault@logilab.fr>
Thu, 17 Jun 2010 18:36:16 +0200
branchstable
changeset 5782 8ff48d1a319f
parent 5424 8ecbcbff9777
child 5726 c3b99606644d
permissions -rw-r--r--
[rql2sql] when using HAVING to by-pass rql limitation (not to filter on result of an aggregat function), we should emit SQL that doesn't use HAVING to avoid potential backend error because variables are not grouped. Closes #1061603.

# 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 module cubicweb.utils

"""

import re
import decimal
import datetime

from logilab.common.testlib import TestCase, unittest_main
from cubicweb.utils import make_uid, UStringIO, SizeConstrainedList, RepeatList

try:
    from cubicweb.utils import CubicWebJsonEncoder, json
except ImportError:
    json = None

class MakeUidTC(TestCase):
    def test_1(self):
        self.assertNotEquals(make_uid('xyz'), make_uid('abcd'))
        self.assertNotEquals(make_uid('xyz'), make_uid('xyz'))

    def test_2(self):
        d = set()
        while len(d)<10000:
            uid = make_uid('xyz')
            if uid in d:
                self.fail(len(d))
            if re.match('\d', uid):
                self.fail('make_uid must not return something begining with '
                          'some numeric character, got %s' % uid)
            d.add(uid)


class UStringIOTC(TestCase):
    def test_boolean_value(self):
        self.assert_(UStringIO())


class RepeatListTC(TestCase):

    def test_base(self):
        l = RepeatList(3, (1, 3))
        self.assertEquals(l[0], (1, 3))
        self.assertEquals(l[2], (1, 3))
        self.assertEquals(l[-1], (1, 3))
        self.assertEquals(len(l), 3)
        # XXX
        self.assertEquals(l[4], (1, 3))

        self.failIf(RepeatList(0, None))

    def test_slice(self):
        l = RepeatList(3, (1, 3))
        self.assertEquals(l[0:1], [(1, 3)])
        self.assertEquals(l[0:4], [(1, 3)]*3)
        self.assertEquals(l[:], [(1, 3)]*3)

    def test_iter(self):
        self.assertEquals(list(RepeatList(3, (1, 3))),
                          [(1, 3)]*3)

    def test_add(self):
        l = RepeatList(3, (1, 3))
        self.assertEquals(l + [(1, 4)], [(1, 3)]*3  + [(1, 4)])
        self.assertEquals([(1, 4)] + l, [(1, 4)] + [(1, 3)]*3)
        self.assertEquals(l + RepeatList(2, (2, 3)), [(1, 3)]*3 + [(2, 3)]*2)

        x = l + RepeatList(2, (1, 3))
        self.assertIsInstance(x, RepeatList)
        self.assertEquals(len(x), 5)
        self.assertEquals(x[0], (1, 3))

        x = l + [(1, 3)] * 2
        self.assertEquals(x, [(1, 3)] * 5)

    def test_eq(self):
        self.assertEquals(RepeatList(3, (1, 3)),
                          [(1, 3)]*3)

    def test_pop(self):
        l = RepeatList(3, (1, 3))
        l.pop(2)
        self.assertEquals(l, [(1, 3)]*2)

class SizeConstrainedListTC(TestCase):

    def test_append(self):
        l = SizeConstrainedList(10)
        for i in xrange(12):
            l.append(i)
        self.assertEquals(l, range(2, 12))

    def test_extend(self):
        testdata = [(range(5), range(5)),
                    (range(10), range(10)),
                    (range(12), range(2, 12)),
                    ]
        for extension, expected in testdata:
            l = SizeConstrainedList(10)
            l.extend(extension)
            yield self.assertEquals, l, expected

class JSONEncoderTC(TestCase):
    def setUp(self):
        if json is None:
            self.skip('json not available')

    def encode(self, value):
        return json.dumps(value, cls=CubicWebJsonEncoder)

    def test_encoding_dates(self):
        self.assertEquals(self.encode(datetime.datetime(2009, 9, 9, 20, 30)),
                          '"2009/09/09 20:30:00"')
        self.assertEquals(self.encode(datetime.date(2009, 9, 9)),
                          '"2009/09/09"')
        self.assertEquals(self.encode(datetime.time(20, 30)),
                          '"20:30:00"')

    def test_encoding_decimal(self):
        self.assertEquals(self.encode(decimal.Decimal('1.2')), '1.2')

    def test_encoding_unknown_stuff(self):
        self.assertEquals(self.encode(TestCase), 'null')


if __name__ == '__main__':
    unittest_main()