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Filename/usr/lib/python2.7/dist-packages/twisted/trial/test/mockdoctest.py
Size2.61 kb
Permissionrw-r--r--
Ownerroot : root
Create time27-Apr-2025 09:56
Last modified24-Aug-2013 02:26
Last accessed07-Jul-2025 10:03
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# Copyright (c) Twisted Matrix Laboratories.
# See LICENSE for details.

# this module is a trivial class with doctests to test trial's doctest
# support.
from __future__ import division, absolute_import

class Counter(object):
"""a simple counter object for testing trial's doctest support

>>> c = Counter()
>>> c.value()
0
>>> c += 3
>>> c.value()
3
>>> c.incr()
>>> c.value() == 4
True
>>> c == 4
True
>>> c != 9
True

"""
_count = 0

def __init__(self, initialValue=0, maxval=None):
self._count = initialValue
self.maxval = maxval

def __iadd__(self, other):
"""add other to my value and return self

>>> c = Counter(100)
>>> c += 333
>>> c == 433
True
"""
if self.maxval is not None and ((self._count + other) > self.maxval):
raise ValueError, "sorry, counter got too big"
else:
self._count += other
return self

def __eq__(self, other):
"""equality operator, compare other to my value()

>>> c = Counter()
>>> c == 0
True
>>> c += 10
>>> c.incr()
>>> c == 10 # fail this test on purpose
True

"""
return self._count == other

def __ne__(self, other):
"""inequality operator

>>> c = Counter()
>>> c != 10
True
"""
return not self.__eq__(other)

def incr(self):
"""increment my value by 1

>>> from twisted.trial.test.mockdoctest import Counter
>>> c = Counter(10, 11)
>>> c.incr()
>>> c.value() == 11
True
>>> c.incr()
Traceback (most recent call last):
File "<stdin>", line 1, in ?
File "twisted/trial/test/mockdoctest.py", line 51, in incr
self.__iadd__(1)
File "twisted/trial/test/mockdoctest.py", line 39, in __iadd__
raise ValueError, "sorry, counter got too big"
ValueError: sorry, counter got too big
"""
self.__iadd__(1)

def value(self):
"""return this counter's value

>>> c = Counter(555)
>>> c.value() == 555
True
"""
return self._count

def unexpectedException(self):
"""i will raise an unexpected exception...
... *CAUSE THAT'S THE KINDA GUY I AM*

>>> 1/0
"""