[doc/book] regroup views chapters under common umbrella (in the development part) & some fixes
"""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:
import simplejson
from cubicweb.utils import CubicWebJsonEncoder
except ImportError:
simplejson = 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 simplejson is None:
self.skip('simplejson not available')
def encode(self, value):
return simplejson.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()