view tests/test-wireproto.py @ 37441:a3202fa83aff

filelog: declare that filelog implements a storage interface

Now that we have a declared interface, let's declare that filelog
implements it.

Tests have been added that confirm the object conforms to the
interface.

The existing interface checks verify there are no extra public
attributes outside the declared interface. filelog has several
extra attributes. So we added a mechanism to suppress this check.
The goal is to modify the filelog class so we can drop this check.

Differential Revision: https://phab.mercurial-scm.org/D3149

from __future__ import absolute_import, print_function

from mercurial import (
    error,
    pycompat,
    ui as uimod,
    util,
    wireproto,
    wireprototypes,
)
stringio = util.stringio

class proto(object):
    def __init__(self, args):
        self.args = args
        self.name = 'dummyproto'

    def getargs(self, spec):
        args = self.args
        args.setdefault(b'*', {})
        names = spec.split()
        return [args[n] for n in names]

    def checkperm(self, perm):
        pass

wireprototypes.TRANSPORTS['dummyproto'] = {
    'transport': 'dummy',
    'version': 1,
}

class clientpeer(wireproto.wirepeer):
    def __init__(self, serverrepo, ui):
        self.serverrepo = serverrepo
        self.ui = ui

    def url(self):
        return b'test'

    def local(self):
        return None

    def peer(self):
        return self

    def canpush(self):
        return True

    def close(self):
        pass

    def capabilities(self):
        return [b'batch']

    def _call(self, cmd, **args):
        args = pycompat.byteskwargs(args)
        res = wireproto.dispatch(self.serverrepo, proto(args), cmd)
        if isinstance(res, wireprototypes.bytesresponse):
            return res.data
        elif isinstance(res, bytes):
            return res
        else:
            raise error.Abort('dummy client does not support response type')

    def _callstream(self, cmd, **args):
        return stringio(self._call(cmd, **args))

    @wireproto.batchable
    def greet(self, name):
        f = wireproto.future()
        yield {b'name': mangle(name)}, f
        yield unmangle(f.value)

class serverrepo(object):
    def greet(self, name):
        return b"Hello, " + name

    def filtered(self, name):
        return self

def mangle(s):
    return b''.join(pycompat.bytechr(ord(c) + 1) for c in pycompat.bytestr(s))
def unmangle(s):
    return b''.join(pycompat.bytechr(ord(c) - 1) for c in pycompat.bytestr(s))

def greet(repo, proto, name):
    return mangle(repo.greet(unmangle(name)))

wireproto.commands[b'greet'] = (greet, b'name',)

srv = serverrepo()
clt = clientpeer(srv, uimod.ui())

print(clt.greet(b"Foobar"))
b = clt.iterbatch()
list(map(b.greet, (b'Fo, =;:<o', b'Bar')))
b.submit()
print([r for r in b.results()])