Mercurial > hg
view tests/test-check-interfaces.py @ 34036:fe04c018eaac
filemerge: add _restorebackup
Differential Revision: https://phab.mercurial-scm.org/D404
author | Phil Cohen <phillco@fb.com> |
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date | Thu, 31 Aug 2017 11:28:59 -0700 |
parents | b70029f355a3 |
children | afcbc6f64d27 |
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# Test that certain objects conform to well-defined interfaces. from __future__ import absolute_import, print_function from mercurial import ( httppeer, localrepo, sshpeer, ui as uimod, ) def checkobject(o): """Verify a constructed object conforms to interface rules. An object must have __abstractmethods__ defined. All "public" attributes of the object (attributes not prefixed with an underscore) must be in __abstractmethods__ or appear on a base class with __abstractmethods__. """ name = o.__class__.__name__ allowed = set() for cls in o.__class__.__mro__: if not getattr(cls, '__abstractmethods__', set()): continue allowed |= cls.__abstractmethods__ allowed |= {a for a in dir(cls) if not a.startswith('_')} if not allowed: print('%s does not have abstract methods' % name) return public = {a for a in dir(o) if not a.startswith('_')} for attr in sorted(public - allowed): print('public attributes not in abstract interface: %s.%s' % ( name, attr)) # Facilitates testing localpeer. class dummyrepo(object): def __init__(self): self.ui = uimod.ui() def filtered(self, name): pass def _restrictcapabilities(self, caps): pass # Facilitates testing sshpeer without requiring an SSH server. class testingsshpeer(sshpeer.sshpeer): def _validaterepo(self, *args, **kwargs): pass class badpeer(httppeer.httppeer): def __init__(self): super(badpeer, self).__init__(uimod.ui(), 'http://localhost') self.badattribute = True def badmethod(self): pass def main(): ui = uimod.ui() checkobject(badpeer()) checkobject(httppeer.httppeer(ui, 'http://localhost')) checkobject(localrepo.localpeer(dummyrepo())) checkobject(testingsshpeer(ui, 'ssh://localhost/foo')) main()