/usr/lib/python3/dist-packages/pyutilib/misc/tests/test_singleton.py is in python3-pyutilib 5.3.5-1.
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# Unit Tests for util/singleton
#
#
import os
from os.path import abspath, dirname
currdir = dirname(abspath(__file__))+os.sep
import pyutilib.th as unittest
import pyutilib.misc
class A(pyutilib.misc.MonoState):
def __init__(self):
self.state = True
class B(pyutilib.misc.Singleton):
def __init__(self):
self.state = True
class SingletonDebug(unittest.TestCase):
def test_A(self):
"""Verify that MonoState generates one global state"""
a1 = A()
a2 = A()
self.assertNotEqual(a1,a2)
self.assertEqual(a1.__dict__,a2.__dict__)
def test_B(self):
"""Verify that Singleton generates one instance"""
b1 = B()
b2 = B()
self.assertEqual(b1,b2)
if __name__ == "__main__":
unittest.main()
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