# 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,

    filelog,

    httppeer,

    localrepo,

    repository,

    sshpeer,

    statichttprepo,

    ui as uimod,

    unionrepo,

    vfs as vfsmod,

    wireprotoserver,

    wireprototypes,

    wireprotov2server,

)

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

def checkzobject(o, allowextra=False):

    """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)

    if allowextra:

        return

    # 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):

        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)

    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,

                         wireprotov2server.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 = wireprotov2server.httpv2protocolhandler(None, None)

    checkzobject(httpv2)

    ziverify.verifyClass(repository.ifilestorage, filelog.filelog)

    vfs = vfsmod.vfs('.')

    fl = filelog.filelog(vfs, 'dummy.i')

    checkzobject(fl, allowextra=True)

main()