test/unittest_utils.py
author Julien Jehannet <julien.jehannet@logilab.fr>
Tue, 09 Nov 2010 17:12:21 +0100
branchstable
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permissions -rw-r--r--
[download box] refactor to ease when one want to propose multiple elements to download
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# copyright 2003-2010 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
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# contact http://www.logilab.fr/ -- mailto:contact@logilab.fr
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#
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# This file is part of CubicWeb.
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#
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# CubicWeb is free software: you can redistribute it and/or modify it under the
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# terms of the GNU Lesser General Public License as published by the Free
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# Software Foundation, either version 2.1 of the License, or (at your option)
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# any later version.
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#
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# CubicWeb is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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# FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
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# details.
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#
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# You should have received a copy of the GNU Lesser General Public License along
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# with CubicWeb.  If not, see <http://www.gnu.org/licenses/>.
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"""unit tests for module cubicweb.utils"""
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import re
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import decimal
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import datetime
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from logilab.common.testlib import TestCase, unittest_main
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from cubicweb.utils import make_uid, UStringIO, SizeConstrainedList, RepeatList
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from cubicweb.entity import Entity
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try:
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    from cubicweb.utils import CubicWebJsonEncoder, json
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except ImportError:
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    json = None
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class MakeUidTC(TestCase):
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    def test_1(self):
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        self.assertNotEqual(make_uid('xyz'), make_uid('abcd'))
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        self.assertNotEqual(make_uid('xyz'), make_uid('xyz'))
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    def test_2(self):
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        d = set()
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        while len(d)<10000:
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            uid = make_uid('xyz')
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            if uid in d:
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                self.fail(len(d))
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            if re.match('\d', uid):
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                self.fail('make_uid must not return something begining with '
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                          'some numeric character, got %s' % uid)
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            d.add(uid)
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class UStringIOTC(TestCase):
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    def test_boolean_value(self):
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        self.assert_(UStringIO())
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class RepeatListTC(TestCase):
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    def test_base(self):
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        l = RepeatList(3, (1, 3))
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        self.assertEqual(l[0], (1, 3))
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        self.assertEqual(l[2], (1, 3))
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        self.assertEqual(l[-1], (1, 3))
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        self.assertEqual(len(l), 3)
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        # XXX
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        self.assertEqual(l[4], (1, 3))
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        self.failIf(RepeatList(0, None))
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    def test_slice(self):
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        l = RepeatList(3, (1, 3))
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        self.assertEqual(l[0:1], [(1, 3)])
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        self.assertEqual(l[0:4], [(1, 3)]*3)
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        self.assertEqual(l[:], [(1, 3)]*3)
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    def test_iter(self):
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        self.assertEqual(list(RepeatList(3, (1, 3))),
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                          [(1, 3)]*3)
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    def test_add(self):
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        l = RepeatList(3, (1, 3))
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        self.assertEqual(l + [(1, 4)], [(1, 3)]*3  + [(1, 4)])
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        self.assertEqual([(1, 4)] + l, [(1, 4)] + [(1, 3)]*3)
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        self.assertEqual(l + RepeatList(2, (2, 3)), [(1, 3)]*3 + [(2, 3)]*2)
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        x = l + RepeatList(2, (1, 3))
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        self.assertIsInstance(x, RepeatList)
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        self.assertEqual(len(x), 5)
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        self.assertEqual(x[0], (1, 3))
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        x = l + [(1, 3)] * 2
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        self.assertEqual(x, [(1, 3)] * 5)
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    def test_eq(self):
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        self.assertEqual(RepeatList(3, (1, 3)),
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                          [(1, 3)]*3)
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    def test_pop(self):
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        l = RepeatList(3, (1, 3))
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        l.pop(2)
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        self.assertEqual(l, [(1, 3)]*2)
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class SizeConstrainedListTC(TestCase):
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    def test_append(self):
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        l = SizeConstrainedList(10)
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        for i in xrange(12):
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            l.append(i)
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        self.assertEqual(l, range(2, 12))
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0
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    def test_extend(self):
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        testdata = [(range(5), range(5)),
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                    (range(10), range(10)),
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                    (range(12), range(2, 12)),
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                    ]
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        for extension, expected in testdata:
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            l = SizeConstrainedList(10)
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            l.extend(extension)
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            yield self.assertEqual, l, expected
0
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class JSONEncoderTC(TestCase):
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    def setUp(self):
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        if json is None:
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            self.skipTest('json not available')
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    def encode(self, value):
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        return json.dumps(value, cls=CubicWebJsonEncoder)
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    def test_encoding_dates(self):
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        self.assertEqual(self.encode(datetime.datetime(2009, 9, 9, 20, 30)),
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                          '"2009/09/09 20:30:00"')
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        self.assertEqual(self.encode(datetime.date(2009, 9, 9)),
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                          '"2009/09/09"')
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        self.assertEqual(self.encode(datetime.time(20, 30)),
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                          '"20:30:00"')
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    def test_encoding_decimal(self):
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        self.assertEqual(self.encode(decimal.Decimal('1.2')), '1.2')
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    def test_encoding_bare_entity(self):
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        e = Entity(None)
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        e.cw_attr_cache['pouet'] = 'hop'
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        e.eid = 2
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        self.assertEqual(json.loads(self.encode(e)),
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                          {'pouet': 'hop', 'eid': 2})
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    def test_encoding_entity_in_list(self):
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        e = Entity(None)
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        e.cw_attr_cache['pouet'] = 'hop'
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        e.eid = 2
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        self.assertEqual(json.loads(self.encode([e])),
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                          [{'pouet': 'hop', 'eid': 2}])
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    def test_encoding_unknown_stuff(self):
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        self.assertEqual(self.encode(TestCase), 'null')
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if __name__ == '__main__':
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    unittest_main()