import io

import unittest

import silenttestrunner

from mercurial import (

    wireprotoserver,

    wireprotov1server,

)

from mercurial.utils import procutil

class SSHServerGetArgsTests(unittest.TestCase):

    def testparseknown(self):

        tests = [

            (b'* 0\nnodes 0\n', [b'', {}]),

            (

                b'* 0\nnodes 40\n1111111111111111111111111111111111111111\n',

                [b'1111111111111111111111111111111111111111', {}],

            ),

        ]

        for input, expected in tests:

            self.assertparse(b'known', input, expected)

    def assertparse(self, cmd, input, expected):

        server = mockserver(input)

        ui = server._ui

        proto = wireprotoserver.sshv1protocolhandler(ui, ui.fin, ui.fout)

        _func, spec = wireprotov1server.commands[cmd]

        self.assertEqual(proto.getargs(spec), expected)

def mockserver(inbytes):

    ui = mockui(inbytes)

    repo = mockrepo(ui)

    # note: this test unfortunately doesn't really test anything about

    # `sshserver` class anymore: the entirety of logic of that class lives

    # in `serveuntil`, and that function is not even called by this test.

    return wireprotoserver.sshserver(ui, repo)

class mockrepo:

    def __init__(self, ui):

        self.ui = ui

class mockui:

    def __init__(self, inbytes):

        self.fin = io.BytesIO(inbytes)

        self.fout = io.BytesIO()

        self.ferr = io.BytesIO()

    def protectfinout(self):

        return self.fin, self.fout

    def restorefinout(self, fin, fout):

        pass

if __name__ == '__main__':

    # Don't call into msvcrt to set BytesIO to binary mode

    procutil.setbinary = lambda fp: True

    silenttestrunner.main(__name__)