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Fixing doctest EXCLUDES in iptest on win32....
Fixing doctest EXCLUDES in iptest on win32. The regular expressions we were using on win32 were not matching. The trick is to construct the regular expression with double \\ like this:: re.compile('foo\\\\bar') Arggg!!

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parametric.py
55 lines | 1.8 KiB | text/x-python | PythonLexer
"""Parametric testing on top of twisted.trial.unittest.
"""
__all__ = ['parametric','Parametric']
from twisted.trial.unittest import TestCase
def partial(f, *partial_args, **partial_kwargs):
"""Generate a partial class method.
"""
def partial_func(self, *args, **kwargs):
dikt = dict(kwargs)
dikt.update(partial_kwargs)
return f(self, *(partial_args+args), **dikt)
return partial_func
def parametric(f):
"""Mark f as a parametric test.
"""
f._parametric = True
return classmethod(f)
def Parametric(cls):
"""Register parametric tests with a class.
"""
# Walk over all tests marked with @parametric
test_generators = [getattr(cls,f) for f in dir(cls)
if f.startswith('test')]
test_generators = [m for m in test_generators if hasattr(m,'_parametric')]
for test_gen in test_generators:
test_name = test_gen.func_name
# Insert a new test for each parameter
for n,test_and_params in enumerate(test_gen()):
test_method = test_and_params[0]
test_params = test_and_params[1:]
# Here we use partial (defined above), which returns a
# class method of type ``types.FunctionType``, unlike
# functools.partial which returns a function of type
# ``functools.partial``.
partial_func = partial(test_method,*test_params)
# rename the test to look like a testcase
partial_func.__name__ = 'test_' + partial_func.__name__
# insert the new function into the class as a test
setattr(cls, test_name + '_%s' % n, partial_func)
# rename test generator so it isn't called again by nose
test_gen.im_func.func_name = '__done_' + test_name