sapling/eden/scm/tests/test-check-interfaces.py
Xavier Deguillard db4849a0d6 tests: enable passing tests in python3
Summary: These are passing, let's enable them.

Reviewed By: quark-zju, singhsrb

Differential Revision: D19676094

fbshipit-source-id: bcb363382d48a93ac62dceab2dd6349b910bb51a
2020-01-31 18:12:14 -08:00

76 lines
1.9 KiB
Python

# Test that certain objects conform to well-defined interfaces.
from __future__ import absolute_import, print_function
from edenscm.mercurial import bundlerepo, httppeer, localrepo, sshpeer, ui as uimod
from hghave import require
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"))
checkobject(bundlerepo.bundlepeer(dummyrepo()))
main()