test/unittest_utils.py
author Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
Thu, 14 May 2009 11:38:40 +0200
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"""unit tests for module cubicweb.common.utils"""
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from logilab.common.testlib import TestCase, unittest_main
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from cubicweb.common.utils import make_uid, UStringIO, SizeConstrainedList
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class MakeUidTC(TestCase):
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    def test_1(self):
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        self.assertNotEquals(make_uid('xyz'), make_uid('abcd'))
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        self.assertNotEquals(make_uid('xyz'), make_uid('xyz'))
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    def test_2(self):
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        d = {}
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        while len(d)<10000:
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            uid = make_uid('xyz')
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            if d.has_key(uid):
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                self.fail(len(d))
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            d[uid] = 1
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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 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.assertEquals(l, range(2, 12))
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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.assertEquals, l, expected
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if __name__ == '__main__':
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    unittest_main()