| Current Path : /opt/rh/rh-python35/root/usr/lib64/python3.5/idlelib/idle_test/ |
Linux gator3171.hostgator.com 4.19.286-203.ELK.el7.x86_64 #1 SMP Wed Jun 14 04:33:55 CDT 2023 x86_64 |
| Current File : //opt/rh/rh-python35/root/usr/lib64/python3.5/idlelib/idle_test/test_delegator.py |
import unittest
from idlelib.Delegator import Delegator
class DelegatorTest(unittest.TestCase):
def test_mydel(self):
# test a simple use scenario
# initialize
mydel = Delegator(int)
self.assertIs(mydel.delegate, int)
self.assertEqual(mydel._Delegator__cache, set())
# add an attribute:
self.assertRaises(AttributeError, mydel.__getattr__, 'xyz')
bl = mydel.bit_length
self.assertIs(bl, int.bit_length)
self.assertIs(mydel.__dict__['bit_length'], int.bit_length)
self.assertEqual(mydel._Delegator__cache, {'bit_length'})
# add a second attribute
mydel.numerator
self.assertEqual(mydel._Delegator__cache, {'bit_length', 'numerator'})
# delete the second (which, however, leaves it in the name cache)
del mydel.numerator
self.assertNotIn('numerator', mydel.__dict__)
self.assertIn('numerator', mydel._Delegator__cache)
# reset by calling .setdelegate, which calls .resetcache
mydel.setdelegate(float)
self.assertIs(mydel.delegate, float)
self.assertNotIn('bit_length', mydel.__dict__)
self.assertEqual(mydel._Delegator__cache, set())
if __name__ == '__main__':
unittest.main(verbosity=2, exit=2)