+
−"""unit tests for module cubicweb.utils
+
−
+
−:organization: Logilab
+
−:copyright: 2001-2010 LOGILAB S.A. (Paris, FRANCE), license is LGPL v2.
+
−:contact: http://www.logilab.fr/ -- mailto:contact@logilab.fr
+
−:license: GNU Lesser General Public License, v2.1 - http://www.gnu.org/licenses
+
−"""
+
−
+
−import re
+
−import decimal
+
−import datetime
+
−
+
−from logilab.common.testlib import TestCase, unittest_main
+
−from cubicweb.utils import make_uid, UStringIO, SizeConstrainedList, RepeatList
+
−
+
−try:
+
−    try:
+
−        import json 
+
−    except ImportError:
+
−        import simplejson as json
+
−    from cubicweb.utils import CubicWebJsonEncoder
+
−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()