I've been beating my head against the wall trying to figure out how to build a Mock of APISite. If I do the obvious:
site = mocker.MagicMock(spec=APISite)
I end up with:
> AttributeError: Mock object has no attribute 'encodings'
Yet, if I hand-build a Site object, sure enough it does:
>>> import pywikibot
>>> site = pywikibot.Site("en", "wikipedia")
>>> site.encodings()
('utf-8', 'iso-8859-1')
>>>
To make a long story short, eventually I found this bit of magic in _basesite.py:
> def __getattr__(self, attr):
> """Delegate undefined methods calls to the Family object."""
> if hasattr(self.__class__, attr):
> return getattr(self.__class__, attr)
> try:
> method = getattr(self.family, attr)
> if not callable(method):
> raise AttributeError
> f = functools.partial(method, self.code)
> if hasattr(method, '__doc__'):
> f.__doc__ = method.__doc__
> return f
> except AttributeError:
> raise AttributeError("{} instance has no attribute '{}'"
> .format(self.__class__.__name__, attr))
WTF? I mean, I see what it's doing, but why go to this level of obfuscation? It's basically reimplementing class inheritance manually (and in a way which is totally beyond the ability of Mock to understand).