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extend test coverage to ensure borg state is unique between borg types. add some debugging info and support the ability to have multiple borg classes via an ugly parameter to __init__()

This commit is contained in:
Chris Jones 2009-12-22 00:24:03 +00:00
parent a6a1acd26d
commit 90c8b7e8c5
1 changed files with 31 additions and 4 deletions
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35
terminatorlib/borg.py
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@ -21,8 +21,19 @@
>>> obj2.attribute = 54321 >>> obj2.attribute = 54321
>>> obj1.attribute >>> obj1.attribute
54321 54321
>>> obj3 = TestBorg2()
>>> obj3.attribute
1
>>> obj4 = TestBorg2()
>>> obj3.attribute = 98765
>>> obj4.attribute
98765
>>>
""" """
from util import dbg
# pylint: disable-msg=R0903 # pylint: disable-msg=R0903
# pylint: disable-msg=R0921 # pylint: disable-msg=R0921
class Borg: class Borg:
@ -35,7 +46,7 @@ class Borg:
attribute = None attribute = None
def __init__(self): def __init__(self):
Borg.__init__(self) Borg.__init__(self, self.__class__.__name__)
def prepare_attributes(self): def prepare_attributes(self):
if not self.attribute: if not self.attribute:
@ -51,11 +62,16 @@ class Borg:
if necessary.""" if necessary."""
__shared_state = {} __shared_state = {}
def __init__(self): def __init__(self, borgtype=None):
"""Class initialiser. Overwrite our class dictionary with the shared """Class initialiser. Overwrite our class dictionary with the shared
state. This makes us identical to every other instance of this class state. This makes us identical to every other instance of this class
type.""" type."""
self.__dict__ = self.__shared_state if borgtype is None:
raise TypeError('Borg::__init__: You must pass a borgtype')
if not self.__shared_state.has_key(borgtype):
dbg('Borg::__init__: Preparing borg state for %s' % borgtype)
self.__shared_state[borgtype] = {}
self.__dict__ = self.__shared_state[borgtype]
def prepare_attributes(self): def prepare_attributes(self):
"""This should be used to prepare any attributes of the borg class.""" """This should be used to prepare any attributes of the borg class."""
@ -66,13 +82,24 @@ if __name__ == '__main__':
attribute = None attribute = None
def __init__(self): def __init__(self):
Borg.__init__(self) Borg.__init__(self, self.__class__.__name__)
self.prepare_attributes() self.prepare_attributes()
def prepare_attributes(self): def prepare_attributes(self):
if not self.attribute: if not self.attribute:
self.attribute = 0 self.attribute = 0
class TestBorg2(Borg):
attribute = None
def __init__(self):
Borg.__init__(self, self.__class__.__name__)
self.prepare_attributes()
def prepare_attributes(self):
if not self.attribute:
self.attribute = 1
import doctest import doctest
(failed, attempted) = doctest.testmod() (failed, attempted) = doctest.testmod()
print "%d/%d tests failed" % (failed, attempted) print "%d/%d tests failed" % (failed, attempted)