view tests/test-check-interfaces.py @ 37426:09907cd7a17a

tests: conditionalize test-bundle.t This test is massive and could probably be split up. This change essentially requires the revlog store for stream clone tests and support for bundlerepos for various tests operating on bundle files. Differential Revision: https://phab.mercurial-scm.org/D3106
author Gregory Szorc <gregory.szorc@gmail.com>
date Wed, 04 Apr 2018 16:29:19 -0700
parents 39f7d4ee8bcd
children a3202fa83aff
line wrap: on
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# Test that certain objects conform to well-defined interfaces.

from __future__ import absolute_import, print_function

import os

from mercurial.thirdparty.zope import (
    interface as zi,
)
from mercurial.thirdparty.zope.interface import (
    verify as ziverify,
)
from mercurial import (
    bundlerepo,
    httppeer,
    localrepo,
    repository,
    sshpeer,
    statichttprepo,
    ui as uimod,
    unionrepo,
    wireprotoserver,
    wireprototypes,
)

rootdir = os.path.normpath(os.path.join(os.path.dirname(__file__), '..'))

def checkzobject(o):
    """Verify an object with a zope interface."""
    ifaces = zi.providedBy(o)
    if not ifaces:
        print('%r does not provide any zope interfaces' % o)
        return

    # Run zope.interface's built-in verification routine. This verifies that
    # everything that is supposed to be present is present.
    for iface in ifaces:
        ziverify.verifyObject(iface, o)

    # Now verify that the object provides no extra public attributes that
    # aren't declared as part of interfaces.
    allowed = set()
    for iface in ifaces:
        allowed |= set(iface.names(all=True))

    public = {a for a in dir(o) if not a.startswith('_')}

    for attr in sorted(public - allowed):
        print('public attribute not declared in interfaces: %s.%s' % (
            o.__class__.__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

class dummyopener(object):
    handlers = []

# Facilitates testing sshpeer without requiring an SSH server.
class badpeer(httppeer.httppeer):
    def __init__(self):
        super(badpeer, self).__init__(None, None, None, dummyopener())
        self.badattribute = True

    def badmethod(self):
        pass

class dummypipe(object):
    def close(self):
        pass

def main():
    ui = uimod.ui()
    # Needed so we can open a local repo with obsstore without a warning.
    ui.setconfig('experimental', 'evolution.createmarkers', True)

    checkzobject(badpeer())

    ziverify.verifyClass(repository.ipeerbaselegacycommands,
                         httppeer.httppeer)
    checkzobject(httppeer.httppeer(None, None, None, dummyopener()))

    ziverify.verifyClass(repository.ipeerbase,
                         localrepo.localpeer)
    checkzobject(localrepo.localpeer(dummyrepo()))

    ziverify.verifyClass(repository.ipeerbaselegacycommands,
                         sshpeer.sshv1peer)
    checkzobject(sshpeer.sshv1peer(ui, 'ssh://localhost/foo', None, dummypipe(),
                                   dummypipe(), None, None))

    ziverify.verifyClass(repository.ipeerbaselegacycommands,
                         sshpeer.sshv2peer)
    checkzobject(sshpeer.sshv2peer(ui, 'ssh://localhost/foo', None, dummypipe(),
                                   dummypipe(), None, None))

    ziverify.verifyClass(repository.ipeerbase, bundlerepo.bundlepeer)
    checkzobject(bundlerepo.bundlepeer(dummyrepo()))

    ziverify.verifyClass(repository.ipeerbase, statichttprepo.statichttppeer)
    checkzobject(statichttprepo.statichttppeer(dummyrepo()))

    ziverify.verifyClass(repository.ipeerbase, unionrepo.unionpeer)
    checkzobject(unionrepo.unionpeer(dummyrepo()))

    ziverify.verifyClass(repository.completelocalrepository,
                         localrepo.localrepository)
    repo = localrepo.localrepository(ui, rootdir)
    checkzobject(repo)

    ziverify.verifyClass(wireprototypes.baseprotocolhandler,
                         wireprotoserver.sshv1protocolhandler)
    ziverify.verifyClass(wireprototypes.baseprotocolhandler,
                         wireprotoserver.sshv2protocolhandler)
    ziverify.verifyClass(wireprototypes.baseprotocolhandler,
                         wireprotoserver.httpv1protocolhandler)
    ziverify.verifyClass(wireprototypes.baseprotocolhandler,
                         wireprotoserver.httpv2protocolhandler)

    sshv1 = wireprotoserver.sshv1protocolhandler(None, None, None)
    checkzobject(sshv1)
    sshv2 = wireprotoserver.sshv2protocolhandler(None, None, None)
    checkzobject(sshv2)

    httpv1 = wireprotoserver.httpv1protocolhandler(None, None, None)
    checkzobject(httpv1)
    httpv2 = wireprotoserver.httpv2protocolhandler(None, None)
    checkzobject(httpv2)

main()