__main__.py 174 KB
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#!/usr/bin/env python3

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import collections
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import datetime
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import slixmpp
import asyncio
import logging
import signal
import atexit
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import lxml.etree
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import sys
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import io
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import os
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from functools import partial
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from slixmpp.xmlstream.matcher.base import MatcherBase
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if not hasattr(asyncio, "ensure_future"):
    asyncio.ensure_future = getattr(asyncio, "async")
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class MatchAll(MatcherBase):
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    """match everything"""

    def match(self, xml):
        return True


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class StanzaError(Exception):
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    """
    Raised when a step fails.
    """
    pass


class SkipStepError(Exception):
    """
    Raised by a step when it needs to be skiped, by running
    the next available step immediately.
    """
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    pass


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class XMPPComponent(slixmpp.BaseXMPP):
    """
    XMPPComponent sending a “scenario” of stanzas, checking that the responses
    match the expected results.
    """

    def __init__(self, scenario, biboumi):
        super().__init__(jid="biboumi.localhost", default_ns="jabber:component:accept")
        self.is_component = True
        self.stream_header = '<stream:stream %s %s from="%s" id="%s">' % (
            'xmlns="jabber:component:accept"',
            'xmlns:stream="%s"' % self.stream_ns,
            self.boundjid, self.get_id())
        self.stream_footer = "</stream:stream>"

        self.register_handler(slixmpp.Callback('Match All',
                                               MatchAll(None),
                                               self.handle_incoming_stanza))

        self.add_event_handler("session_end", self.on_end_session)

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        asyncio.ensure_future(self.accept_routine())
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        self.scenario = scenario
        self.biboumi = biboumi
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        # A callable, taking a stanza as argument and raising a StanzaError
        # exception if the test should fail.
        self.stanza_checker = None
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        self.failed = False
        self.accepting_server = None

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        self.saved_values = {}

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    def error(self, message):
        print("Failure: %s" % (message,))
        self.scenario.steps = []
        self.failed = True

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    def on_end_session(self, _):
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        self.loop.stop()

    def handle_incoming_stanza(self, stanza):
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        if self.stanza_checker:
            try:
                self.stanza_checker(stanza)
            except StanzaError as e:
                self.error(e)
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            except SkipStepError:
                # Run the next step and then re-handle this same stanza
                self.run_scenario()
                return self.handle_incoming_stanza(stanza)
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            self.stanza_checker = None
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        self.run_scenario()

    def run_scenario(self):
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        if self.scenario.steps:
            step = self.scenario.steps.pop(0)
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            try:
                step(self, self.biboumi)
            except Exception as e:
                self.error(e)
                self.run_scenario()
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        else:
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            if self.biboumi:
                self.biboumi.stop()
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    @asyncio.coroutine
    def accept_routine(self):
        self.accepting_server = yield from self.loop.create_server(lambda: self,
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                                                                   "127.0.0.1", 8811, reuse_address=True)
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    def check_stanza_against_all_expected_xpaths(self):
        pass
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def match(stanza, xpath):
    tree = lxml.etree.parse(io.StringIO(str(stanza)))
    matched = tree.xpath(xpath, namespaces={'re': 'http://exslt.org/regular-expressions',
                                            'muc_user': 'http://jabber.org/protocol/muc#user',
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                                            'muc': 'http://jabber.org/protocol/muc',
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                                            'disco_info': 'http://jabber.org/protocol/disco#info',
                                            'muc_traffic': 'http://jabber.org/protocol/muc#traffic',
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                                            'disco_items': 'http://jabber.org/protocol/disco#items',
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                                            'commands': 'http://jabber.org/protocol/commands',
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                                            'dataform': 'jabber:x:data',
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                                            'version': 'jabber:iq:version',
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                                            'mam': 'urn:xmpp:mam:2',
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                                            'delay': 'urn:xmpp:delay',
                                            'forward': 'urn:xmpp:forward:0',
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                                            'client': 'jabber:client',
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                                            'rsm': 'http://jabber.org/protocol/rsm',
                                            'carbon': 'urn:xmpp:carbons:2',
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                                            'hints': 'urn:xmpp:hints',
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                                            'stanza': 'urn:ietf:params:xml:ns:xmpp-stanzas',
                                            'stable_id': 'urn:xmpp:sid:0'})
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    return matched


def check_xpath(xpaths, xmpp, after, stanza):
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    for xpath in xpaths:
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        matched = match(stanza, xpath)
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        if not matched:
            raise StanzaError("Received stanza “%s” did not match expected xpath “%s”" % (stanza, xpath))
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    if after:
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        if isinstance(after, collections.Iterable):
            for af in after:
                af(stanza, xmpp)
        else:
            after(stanza, xmpp)
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def all_xpaths_match(stanza, xpaths):
    for xpath in xpaths:
        matched = match(stanza, xpath)
        if not matched:
            return False
    return True

def check_list_of_xpath(list_of_xpaths, xmpp, stanza):
    found = None
    for i, xpaths in enumerate(list_of_xpaths):
        if all_xpaths_match(stanza, xpaths):
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            found = True
            list_of_xpaths.pop(i)
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            break

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    if not found:
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        raise StanzaError("Received stanza “%s” did not match any of the expected xpaths:\n%s" % (stanza, list_of_xpaths))

    if list_of_xpaths:
        step = partial(expect_unordered_already_formatted, list_of_xpaths)
        xmpp.scenario.steps.insert(0, step)

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def check_xpath_optional(xpaths, xmpp, after, stanza):
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    try:
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        check_xpath(xpaths, xmpp, after, stanza)
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    except StanzaError:
        raise SkipStepError()


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class Scenario:
    """Defines a list of actions that are executed in sequence, until one of
    them throws an exception, or until the end.  An action can be something
    like “send a stanza”, “receive the next stanza and check that it matches
    the given XPath”, “send a signal”, “wait for the end of the process”,
    etc
    """

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    def __init__(self, name, steps, conf="basic"):
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        """
        Steps is a list of 2-tuple:
        [(action, answer), (action, answer)]
        """
        self.name = name
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        self.steps = []
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        self.conf = conf
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        for elem in steps:
            if isinstance(elem, collections.Iterable):
                for step in elem:
                    self.steps.append(step)
            else:
                self.steps.append(elem)
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class ProcessRunner:
    def __init__(self):
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        self.process = None
        self.signal_sent = False
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        self.create = None
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    @asyncio.coroutine
    def start(self):
        self.process = yield from self.create

    @asyncio.coroutine
    def wait(self):
        code = yield from self.process.wait()
        return code

    def stop(self):
        if not self.signal_sent:
            self.signal_sent = True
            if self.process:
                self.process.send_signal(signal.SIGINT)

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    def __del__(self):
        self.stop()

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class BiboumiRunner(ProcessRunner):
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    def __init__(self, name):
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        super().__init__()
        self.name = name
        self.fd = open("biboumi_%s_output.txt" % (name,), "w")
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        with_valgrind = os.environ.get("E2E_WITH_VALGRIND") is not None
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        if with_valgrind:
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            self.create = asyncio.create_subprocess_exec("valgrind", "--suppressions=" + (os.environ.get("E2E_BIBOUMI_SUPP_DIR") or "") + "biboumi.supp", "--leak-check=full", "--show-leak-kinds=all",
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                                                         "--errors-for-leak-kinds=all", "--error-exitcode=16",
                                                         "./biboumi", "test.conf", stdin=None, stdout=self.fd,
                                                         stderr=self.fd, loop=None, limit=None)
        else:
            self.create = asyncio.create_subprocess_exec("./biboumi", "test.conf", stdin=None, stdout=self.fd,
                                                         stderr=self.fd, loop=None, limit=None)

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class IrcServerRunner(ProcessRunner):
    def __init__(self):
        super().__init__()
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        self.create = asyncio.create_subprocess_exec("charybdis", "-foreground", "-configfile", os.getcwd() + "/../tests/end_to_end/ircd.conf",
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                                                     stderr=asyncio.subprocess.PIPE)
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def send_stanza(stanza, xmpp, biboumi):
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    replacements = common_replacements
    replacements.update(xmpp.saved_values)
    xmpp.send_raw(stanza.format_map(replacements))
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    asyncio.get_event_loop().call_soon(xmpp.run_scenario)


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def expect_stanza(xpaths, xmpp, biboumi, optional=False, after=None):
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    check_func = check_xpath if not optional else check_xpath_optional
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    if isinstance(xpaths, str):
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        xmpp.stanza_checker = partial(check_func, [xpaths.format_map(common_replacements)], xmpp, after)
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    elif isinstance(xpaths, tuple):
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        xmpp.stanza_checker = partial(check_func, [xpath.format_map(common_replacements) for xpath in xpaths], xmpp, after)
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    else:
        print("Warning, from argument type passed to expect_stanza: %s" % (type(xpaths)))
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def save_datetime(xmpp, biboumi):
    xmpp.saved_values["saved_datetime"] = datetime.datetime.now()
    asyncio.get_event_loop().call_soon(xmpp.run_scenario)

def expect_now_is_after(timedelta, xmpp, biboumi):
    time_passed = datetime.datetime.now() - xmpp.saved_values["saved_datetime"]
    if time_passed < timedelta:
        raise StanzaError("Not enough time has passed: %s instead of %s" % (time_passed, timedelta))
    asyncio.get_event_loop().call_soon(xmpp.run_scenario)

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# list_of_xpaths: [(xpath, xpath), (xpath, xpath), (xpath)]
def expect_unordered(list_of_xpaths, xmpp, biboumi):
    formatted_list_of_xpaths = []
    for xpaths in list_of_xpaths:
        formatted_xpaths = []
        for xpath in xpaths:
            formatted_xpath = xpath.format_map(common_replacements)
            formatted_xpaths.append(formatted_xpath)
        formatted_list_of_xpaths.append(tuple(formatted_xpaths))
    expect_unordered_already_formatted(formatted_list_of_xpaths, xmpp, biboumi)

def expect_unordered_already_formatted(formatted_list_of_xpaths, xmpp, biboumi):
    xmpp.stanza_checker = partial(check_list_of_xpath, formatted_list_of_xpaths, xmpp)
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class BiboumiTest:
    """
    Spawns a biboumi process and a fake XMPP Component that will run a
    Scenario.  It redirects the outputs of the subprocess into separated
    files, and detects any failure in the running of the scenario.
    """

    def __init__(self, scenario, expected_code=0):
        self.scenario = scenario
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        self.expected_code = expected_code
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    def run(self):
        with_valgrind = os.environ.get("E2E_WITH_VALGRIND") is not None
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        print("Running scenario: %s%s" % (self.scenario.name, " (with valgrind)" if with_valgrind else ''))
        # Redirect the slixmpp logging into a specific file
        output_filename = "slixmpp_%s_output.txt" % (self.scenario.name,)
        with open(output_filename, "w"):
            pass
        logging.basicConfig(level=logging.DEBUG,
                            format='%(levelname)-8s %(message)s',
                            filename=output_filename)

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        with open("test.conf", "w") as fd:
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            fd.write(confs[self.scenario.conf])
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        try:
            os.remove("e2e_test.sqlite")
        except FileNotFoundError:
            pass
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        # Start the XMPP component and biboumi
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        biboumi = BiboumiRunner(self.scenario.name)
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        xmpp = XMPPComponent(self.scenario, biboumi)
        asyncio.get_event_loop().run_until_complete(biboumi.start())

        asyncio.get_event_loop().call_soon(xmpp.run_scenario)

        xmpp.process()
        code = asyncio.get_event_loop().run_until_complete(biboumi.wait())
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        xmpp.biboumi = None
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        self.scenario.steps.clear()
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        failed = False
        if not xmpp.failed:
            if code != self.expected_code:
                xmpp.error("Wrong return code from biboumi's process: %d" % (code,))
                failed = True
            else:
                print("Success!")
        else:
            failed = True

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        xmpp.saved_values.clear()

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        if xmpp.server:
            xmpp.accepting_server.close()

        return not failed

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confs = {
'basic':
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"""hostname=biboumi.localhost
password=coucou
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db_name=e2e_test.sqlite
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port=8811
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admin=admin@example.com
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identd_port=1113
outgoing_bind=127.0.0.1""",
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'fixed_server':
"""hostname=biboumi.localhost
password=coucou
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db_name=e2e_test.sqlite
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port=8811
fixed_irc_server=irc.localhost
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admin=admin@example.com
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identd_port=1113
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"""}
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common_replacements = {
    'irc_server_one': 'irc.localhost@biboumi.localhost',
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    'irc_server_two': 'localhost@biboumi.localhost',
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    'irc_host_one': 'irc.localhost',
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    'irc_host_two': 'localhost',
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    'biboumi_host': 'biboumi.localhost',
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    'resource_one': 'resource1',
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    'resource_two': 'resource2',
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    'nick_one': 'Nick',
    'jid_one': 'first@example.com',
    'jid_two': 'second@example.com',
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    'jid_admin': 'admin@example.com',
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    'nick_two': 'Bobby',
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    'nick_three': 'Bernard',
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    'lower_nick_one': 'nick',
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    'lower_nick_two': 'bobby',
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}


def handshake_sequence():
    return (partial(expect_stanza, "//handshake"),
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            partial(send_stanza, "<handshake xmlns='jabber:component:accept'/>"))
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def connection_begin_sequence(irc_host, jid):
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    jid = jid.format_map(common_replacements)
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    xpath    = "/message[@to='" + jid + "'][@from='" + irc_host + "@biboumi.localhost']/body[text()='%s']"
    xpath_re = "/message[@to='" + jid + "'][@from='" + irc_host + "@biboumi.localhost']/body[re:test(text(), '%s')]"
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    return (
    partial(expect_stanza,
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            xpath % ('Connecting to %s:6697 (encrypted)' % irc_host)),
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    partial(expect_stanza,
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            xpath % 'Connection failed: Connection refused'),
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    partial(expect_stanza,
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            xpath % ('Connecting to %s:6670 (encrypted)' % irc_host)),
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    partial(expect_stanza,
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            xpath % 'Connection failed: Connection refused'),
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    partial(expect_stanza,
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            xpath % ('Connecting to %s:6667 (not encrypted)' % irc_host)),
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    partial(expect_stanza,
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            xpath % 'Connected to IRC server.'),
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    # These five messages can be receive in any order
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    partial(expect_stanza,
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            xpath_re % (r'^%s: (\*\*\* Checking Ident|\*\*\* Looking up your hostname\.\.\.|\*\*\* Found your hostname: .*|ACK multi-prefix|\*\*\* Got Ident response)$' % 'irc.localhost')),
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    partial(expect_stanza,
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            xpath_re % (r'^%s: (\*\*\* Checking Ident|\*\*\* Looking up your hostname\.\.\.|\*\*\* Found your hostname: .*|ACK multi-prefix|\*\*\* Got Ident response)$' % 'irc.localhost')),
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    partial(expect_stanza,
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            xpath_re % (r'^%s: (\*\*\* Checking Ident|\*\*\* Looking up your hostname\.\.\.|\*\*\* Found your hostname: .*|ACK multi-prefix|\*\*\* Got Ident response)$' % 'irc.localhost')),
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    partial(expect_stanza,
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            xpath_re % (r'^%s: (\*\*\* Checking Ident|\*\*\* Looking up your hostname\.\.\.|\*\*\* Found your hostname: .*|ACK multi-prefix|\*\*\* Got Ident response)$' % 'irc.localhost')),
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    partial(expect_stanza,
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            xpath_re % (r'^%s: (\*\*\* Checking Ident|\*\*\* Looking up your hostname\.\.\.|\*\*\* Found your hostname: .*|ACK multi-prefix|\*\*\* Got Ident response)$' % 'irc.localhost')),
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    )

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def connection_tls_begin_sequence(irc_host, jid):
    jid = jid.format_map(common_replacements)
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    xpath    = "/message[@to='" + jid + "'][@from='" + irc_host + "@biboumi.localhost']/body[text()='%s']"
    xpath_re = "/message[@to='" + jid + "'][@from='" + irc_host + "@biboumi.localhost']/body[re:test(text(), '%s')]"
    irc_host = 'irc.localhost'
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    return (
        partial(expect_stanza,
                xpath % ('Connecting to %s:7778 (encrypted)' % irc_host)),
        partial(expect_stanza,
                xpath % 'Connected to IRC server (encrypted).'),
        # These five messages can be receive in any order
        partial(expect_stanza,
                xpath_re % (r'^%s: (\*\*\* Checking Ident|\*\*\* Looking up your hostname\.\.\.|\*\*\* Found your hostname: .*|ACK multi-prefix|\*\*\* Got Ident response)$' % irc_host)),
        partial(expect_stanza,
                xpath_re % (r'^%s: (\*\*\* Checking Ident|\*\*\* Looking up your hostname\.\.\.|\*\*\* Found your hostname: .*|ACK multi-prefix|\*\*\* Got Ident response)$' % irc_host)),
        partial(expect_stanza,
                xpath_re % (r'^%s: (\*\*\* Checking Ident|\*\*\* Looking up your hostname\.\.\.|\*\*\* Found your hostname: .*|ACK multi-prefix|\*\*\* Got Ident response)$' % irc_host)),
        partial(expect_stanza,
                xpath_re % (r'^%s: (\*\*\* Checking Ident|\*\*\* Looking up your hostname\.\.\.|\*\*\* Found your hostname: .*|ACK multi-prefix|\*\*\* Got Ident response)$' % irc_host)),
        partial(expect_stanza,
                xpath_re % (r'^%s: (\*\*\* Checking Ident|\*\*\* Looking up your hostname\.\.\.|\*\*\* Found your hostname: .*|ACK multi-prefix|\*\*\* Got Ident response)$' % irc_host)),
    )
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def connection_end_sequence(irc_host, jid):
    jid = jid.format_map(common_replacements)
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    xpath    = "/message[@to='" + jid + "'][@from='" + irc_host + "@biboumi.localhost']/body[text()='%s']"
    xpath_re = "/message[@to='" + jid + "'][@from='" + irc_host + "@biboumi.localhost']/body[re:test(text(), '%s')]"
    irc_host = 'irc.localhost'
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    return (
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    partial(expect_stanza, xpath_re % (r'^%s: \*\*\* You are exempt from flood limits$' % irc_host)),
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    partial(expect_stanza,
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            xpath_re % (r'^%s: Your host is .*$' % irc_host)),
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    partial(expect_stanza,
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            xpath_re % (r'^%s: This server was created .*$' % irc_host)),
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    partial(expect_stanza,
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            xpath_re % (r'^%s: There are \d+ users and \d+ invisible on \d+ servers$' % irc_host)),
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    partial(expect_stanza,
            xpath_re % (r'^%s: \d+ unknown connection\(s\)$' % irc_host), optional=True),
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    partial(expect_stanza,
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            xpath_re % (r'^%s: \d+ channels formed$' % irc_host), optional=True),
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    partial(expect_stanza,
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            xpath_re % (r'^%s: I have \d+ clients and \d+ servers$' % irc_host)),
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    partial(expect_stanza,
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            xpath_re % (r'^%s: \d+ \d+ Current local users \d+, max \d+$' % irc_host)),
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    partial(expect_stanza,
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            xpath_re % (r'^%s: \d+ \d+ Current global users \d+, max \d+$' % irc_host)),
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    partial(expect_stanza,
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            xpath_re % (r'^%s: Highest connection count: \d+ \(\d+ clients\) \(\d+ connections received\)$' % irc_host)),
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    partial(expect_stanza,
            xpath % "- This is charybdis MOTD you might replace it, but if not your friends will\n- laugh at you.\n"),
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    partial(expect_stanza,
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            xpath_re % r'^User mode for \w+ is \[\+Z?i\]$'),
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    )


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def connection_sequence(irc_host, jid):
    return connection_begin_sequence(irc_host, jid) + connection_end_sequence(irc_host, jid)

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def connection_tls_sequence(irc_host, jid):
    return connection_tls_begin_sequence(irc_host, jid) + connection_end_sequence(irc_host, jid)

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def extract_attribute(xpath, name, stanza):
    matched = match(stanza, xpath)
    return matched[0].get(name)


def save_value(name, func, stanza, xmpp):
    xmpp.saved_values[name] = func(stanza)

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if __name__ == '__main__':

    atexit.register(asyncio.get_event_loop().close)

    # Start the test component, accepting connections on the configured
    # port.
    scenarios = (
        Scenario("basic_handshake_success",
                 [
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                     handshake_sequence()
                 ]),
        Scenario("irc_server_connection",
                 [
                     handshake_sequence(),
                     partial(send_stanza,
                             "<presence from='{jid_one}/{resource_one}' to='#foo%{irc_server_one}/{nick_one}' />"),
                     connection_sequence("irc.localhost", '{jid_one}/{resource_one}'),
                 ]),
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        Scenario("irc_server_connection_failure",
                 [
                     handshake_sequence(),
                     partial(send_stanza,
                             "<presence from='{jid_one}/{resource_one}' to='#foo%doesnotexist@{biboumi_host}/{nick_one}' />"),
                     partial(expect_stanza,
                             "/message/body[text()='Connecting to doesnotexist:6697 (encrypted)']"),
                     partial(expect_stanza,
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                             "/message/body[re:test(text(), 'Connection failed: (Domain name not found|Name or service not known)')]"),
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                     partial(expect_stanza,
                             ("/presence[@from='#foo%doesnotexist@{biboumi_host}/{nick_one}']/muc:x",
                              "/presence/error[@type='cancel']/stanza:item-not-found",
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                              "/presence/error[@type='cancel']/stanza:text[re:test(text(), '(Domain name not found|Name or service not known)')]")),
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                 ]),
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        Scenario("simple_channel_join",
                 [
                     handshake_sequence(),
                     partial(send_stanza,
                             "<presence from='{jid_one}/{resource_one}' to='#foo%{irc_server_one}/{nick_one}' />"),
                     connection_sequence("irc.localhost", '{jid_one}/{resource_one}'),
                     partial(expect_stanza,
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                             "/message/body[text()='Mode #foo [+nt] by {irc_host_one}']"),
                     partial(expect_stanza,
                             ("/presence[@to='{jid_one}/{resource_one}'][@from='#foo%{irc_server_one}/{nick_one}']/muc_user:x/muc_user:item[@affiliation='admin'][@role='moderator']",
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                             "/presence/muc_user:x/muc_user:status[@code='110']")
                             ),
                     partial(expect_stanza, "/message[@from='#foo%{irc_server_one}'][@type='groupchat']/subject[not(text())]"),
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                 ]),
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        Scenario("virtual_channel",
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                 [
                     handshake_sequence(),
                     partial(send_stanza,
                             "<presence from='{jid_one}/{resource_one}' to='%{irc_server_one}/{nick_one}' />"),
                     connection_begin_sequence("irc.localhost", '{jid_one}/{resource_one}'),
                     partial(expect_stanza,
                             ("/presence[@to='{jid_one}/{resource_one}'][@from='%{irc_server_one}/{nick_one}']/muc_user:x/muc_user:item[@affiliation='none'][@role='participant']",
                              "/presence/muc_user:x/muc_user:status[@code='110']")
                             ),
                     partial(expect_stanza, "/message[@from='%{irc_server_one}'][@type='groupchat']/subject[re:test(text(), '^This is a virtual channel.*$')]"),
                     connection_end_sequence("irc.localhost", '{jid_one}/{resource_one}'),
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                     partial(send_stanza, "<presence type='unavailable' from='{jid_one}/{resource_one}' to='%{irc_server_one}/{nick_one}' />"),
                     partial(expect_stanza, "/presence[@type='unavailable'][@from='%{irc_server_one}/{nick_one}']"),
                     partial(expect_stanza, "/message[@from='{irc_server_one}']/body[text()='ERROR: Closing Link: localhost (Client Quit)']"),
                     partial(expect_stanza, "/message[@from='{irc_server_one}']/body[text()='ERROR: Connection closed.']"),
                 ]),
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        Scenario("not_connected_error",
                 [
                     handshake_sequence(),
                     partial(send_stanza,
                             "<presence type='unavailable' from='{jid_one}/{resource_one}' to='#foo%{irc_server_one}/{nick_one}' />"),
                     partial(send_stanza,
                             "<presence from='{jid_one}/{resource_one}' to='#foo%{irc_server_one}/{nick_one}' />"),
                     connection_sequence("irc.localhost", '{jid_one}/{resource_one}'),
                     partial(expect_stanza,
                             "/message/body[text()='Mode #foo [+nt] by {irc_host_one}']"),
                     partial(expect_stanza,
                             ("/presence[@to='{jid_one}/{resource_one}'][@from='#foo%{irc_server_one}/{nick_one}']/muc_user:x/muc_user:item[@affiliation='admin'][@role='moderator']",
                              "/presence/muc_user:x/muc_user:status[@code='110']")
                             ),
                     partial(expect_stanza, "/message[@from='#foo%{irc_server_one}'][@type='groupchat']/subject[not(text())]"),
                 ]),
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        Scenario("irc_server_disconnection",
                 [
                     handshake_sequence(),
                     partial(send_stanza,
                             "<presence from='{jid_one}/{resource_one}' to='%{irc_server_one}/{nick_one}' />"),
                     connection_begin_sequence("irc.localhost", '{jid_one}/{resource_one}'),
                     partial(expect_stanza,
                             ("/presence[@to='{jid_one}/{resource_one}'][@from='%{irc_server_one}/{nick_one}']/muc_user:x/muc_user:item[@affiliation='none'][@role='participant']",
                              "/presence/muc_user:x/muc_user:status[@code='110']")
                             ),
                     partial(expect_stanza, "/message[@from='%{irc_server_one}'][@type='groupchat']/subject[re:test(text(), '^This is a virtual channel.*$')]"),
                     connection_end_sequence("irc.localhost", '{jid_one}/{resource_one}'),

                     partial(send_stanza, "<presence from='{jid_one}/{resource_one}' to='%{irc_server_one}/{nick_two}' />"),

                     partial(expect_unordered, [
                         ("/presence[@from='%{irc_server_one}/{nick_one}'][@to='{jid_one}/{resource_one}'][@type='unavailable']/muc_user:x/muc_user:item[@nick='{nick_two}']",
                          "/presence/muc_user:x/muc_user:status[@code='110']",
                          "/presence/muc_user:x/muc_user:status[@code='303']"),
                         ("/presence[@from='%{irc_server_one}/{nick_two}'][@to='{jid_one}/{resource_one}']",
                          "/presence/muc_user:x/muc_user:status[@code='110']"),
                         ]),

                     partial(send_stanza, "<presence type='unavailable' from='{jid_one}/{resource_one}' to='%{irc_server_one}/{nick_two}' />"),
                     partial(expect_stanza, "/presence[@type='unavailable'][@from='%{irc_server_one}/{nick_two}']"),
                     partial(expect_stanza, "/message[@from='{irc_server_one}']/body[text()='ERROR: Closing Link: localhost (Client Quit)']"),
                     partial(expect_stanza, "/message[@from='{irc_server_one}']/body[text()='ERROR: Connection closed.']"),
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                 ]),
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        Scenario("channel_join_with_two_users",
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                 [
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                     handshake_sequence(),
                     # First user joins
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                     partial(send_stanza,
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                             "<presence from='{jid_one}/{resource_one}' to='#foo%{irc_server_one}/{nick_one}' />"),
                     connection_sequence("irc.localhost", '{jid_one}/{resource_one}'),
                     partial(expect_stanza,
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                             "/message/body[text()='Mode #foo [+nt] by {irc_host_one}']"),
                     partial(expect_stanza,
                             ("/presence[@to='{jid_one}/{resource_one}'][@from='#foo%{irc_server_one}/{nick_one}']/muc_user:x/muc_user:item[@affiliation='admin'][@jid='~nick@localhost'][@role='moderator']",
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                             "/presence/muc_user:x/muc_user:status[@code='110']")
                             ),
                     partial(expect_stanza, "/message[@from='#foo%{irc_server_one}'][@type='groupchat']/subject[not(text())]"),

                     # Second user joins
                     partial(send_stanza,
                             "<presence from='{jid_two}/{resource_one}' to='#foo%{irc_server_one}/{nick_two}' />"),
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                     connection_sequence("irc.localhost", '{jid_two}/{resource_one}'),
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                     partial(expect_unordered, [
                         ("/presence[@to='{jid_one}/{resource_one}'][@from='#foo%{irc_server_one}/{nick_two}']/muc_user:x/muc_user:item[@affiliation='none'][@role='participant'][@jid='~bobby@localhost']",),
                         ("/presence[@to='{jid_two}/{resource_one}'][@from='#foo%{irc_server_one}/{nick_one}']/muc_user:x/muc_user:item[@affiliation='admin'][@role='moderator']",),
                         ("/presence[@to='{jid_two}/{resource_one}'][@from='#foo%{irc_server_one}/{nick_two}']/muc_user:x/muc_user:item[@affiliation='none'][@jid='~bobby@localhost'][@role='participant']",
                         "/presence/muc_user:x/muc_user:status[@code='110']",),
                         ("/message[@from='#foo%{irc_server_one}'][@type='groupchat']/subject[not(text())]",),
                         ]),
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                 ]),
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        Scenario("channel_join_with_password",
                 [
                     handshake_sequence(),
                     # First user joins
                     partial(send_stanza,
                             "<presence from='{jid_one}/{resource_one}' to='#foo%{irc_server_one}/{nick_one}' />"),
                     connection_sequence("irc.localhost", '{jid_one}/{resource_one}'),
                     partial(expect_stanza,
                             "/message/body[text()='Mode #foo [+nt] by {irc_host_one}']"),
                     partial(expect_stanza,
                             ("/presence[@to='{jid_one}/{resource_one}'][@from='#foo%{irc_server_one}/{nick_one}']/muc_user:x/muc_user:item[@affiliation='admin'][@jid='~nick@localhost'][@role='moderator']",
                              "/presence/muc_user:x/muc_user:status[@code='110']")
                             ),
                     partial(expect_stanza, "/message[@from='#foo%{irc_server_one}'][@type='groupchat']/subject[not(text())]"),

                     # Set a password in the room, by using /mode +k
                     partial(send_stanza, "<message from='{jid_one}/{resource_one}' to='#foo%{irc_server_one}' type='groupchat'><body>/mode +k SECRET</body></message>"),
                     partial(expect_stanza, "/message[@from='#foo%{irc_server_one}'][@to='{jid_one}/{resource_one}'][@type='groupchat']/body[text()='Mode #foo [+k SECRET] by {nick_one}']"),

                     # Second user tries to join, without a password
                     partial(send_stanza,
                             "<presence from='{jid_two}/{resource_one}' to='#foo%{irc_server_one}/{nick_two}'/>"),
                     connection_sequence("irc.localhost", '{jid_two}/{resource_one}'),

                     partial(expect_stanza, "/message/body[text()='{irc_host_one}: #foo: Cannot join channel (+k) - bad key']"),
                     partial(expect_stanza,
                             "/presence[@type='error'][@from='#foo%{irc_server_one}/{nick_two}']/error[@type='auth']/stanza:not-authorized",
                     ),

                     # Second user joins, with a password
                     partial(send_stanza,
                             "<presence from='{jid_two}/{resource_one}' to='#foo%{irc_server_one}/{nick_two}'>  <x xmlns='http://jabber.org/protocol/muc'><password>SECRET</password></x></presence>"),
                     # connection_sequence("irc.localhost", '{jid_two}/{resource_one}'),
                     partial(expect_unordered, [
                         ("/presence[@to='{jid_one}/{resource_one}'][@from='#foo%{irc_server_one}/{nick_two}']/muc_user:x/muc_user:item[@affiliation='none'][@role='participant'][@jid='~bobby@localhost']",),
                         ("/presence[@to='{jid_two}/{resource_one}'][@from='#foo%{irc_server_one}/{nick_one}']/muc_user:x/muc_user:item[@affiliation='admin'][@role='moderator']",),
                         ("/presence[@to='{jid_two}/{resource_one}'][@from='#foo%{irc_server_one}/{nick_two}']/muc_user:x/muc_user:item[@affiliation='none'][@jid='~bobby@localhost'][@role='participant']",
                          "/presence/muc_user:x/muc_user:status[@code='110']",),
                         ("/message[@from='#foo%{irc_server_one}'][@type='groupchat']/subject[not(text())]",),
                     ]),

                 ]),
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        Scenario("channel_custom_topic",
                 [
                     handshake_sequence(),
                     # First user joins
                     partial(send_stanza,
                             "<presence from='{jid_one}/{resource_one}' to='#foo%{irc_server_one}/{nick_one}' />"),
                     connection_sequence("irc.localhost", '{jid_one}/{resource_one}'),
                     partial(expect_stanza,
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                             "/message/body[text()='Mode #foo [+nt] by {irc_host_one}']"),
                     partial(expect_stanza,
                             ("/presence[@to='{jid_one}/{resource_one}'][@from='#foo%{irc_server_one}/{nick_one}']/muc_user:x/muc_user:item[@affiliation='admin'][@jid='~nick@localhost'][@role='moderator']",
                             "/presence/muc_user:x/muc_user:status[@code='110']")
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                             ),
                     partial(expect_stanza, "/message[@from='#foo%{irc_server_one}'][@type='groupchat']/subject[not(text())]"),

                     # First user sets the topic
                     partial(send_stanza,
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                             "<message from='{jid_one}/{resource_one}' to='#foo%{irc_server_one}' type='groupchat'><subject>TOPIC TEST</subject></message>"),
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                     partial(expect_stanza, "/message[@from='#foo%{irc_server_one}/{nick_one}'][@type='groupchat'][@to='{jid_one}/{resource_one}']/subject[text()='TOPIC TEST']"),
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                     # Second user joins
                     partial(send_stanza,
                             "<presence from='{jid_two}/{resource_one}' to='#foo%{irc_server_one}/{nick_two}' />"),
                     connection_sequence("irc.localhost", '{jid_two}/{resource_one}'),
                     # Our presence, sent to the other user
                     partial(expect_stanza,
                             ("/presence[@to='{jid_one}/{resource_one}'][@from='#foo%{irc_server_one}/{nick_two}']/muc_user:x/muc_user:item[@affiliation='none'][@jid='~bobby@localhost'][@role='participant']",)),
                     # The other user presence
                     partial(expect_stanza,
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                             "/presence[@to='{jid_two}/{resource_one}'][@from='#foo%{irc_server_one}/{nick_one}']/muc_user:x/muc_user:item[@affiliation='admin'][@role='moderator']"),
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                     # Our own presence
                     partial(expect_stanza,
                             ("/presence[@to='{jid_two}/{resource_one}'][@from='#foo%{irc_server_one}/{nick_two}']/muc_user:x/muc_user:item[@affiliation='none'][@jid='~bobby@localhost'][@role='participant']",
                              "/presence/muc_user:x/muc_user:status[@code='110']")
                             ),
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                     partial(expect_stanza, "/message[@from='#foo%{irc_server_one}/{nick_one}'][@type='groupchat']/subject[text()='TOPIC TEST']"),
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                 ]),
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        Scenario("multiline_topic",
                 [
                     handshake_sequence(),
                     # User joins
                     partial(send_stanza,
                             "<presence from='{jid_one}/{resource_one}' to='#foo%{irc_server_one}/{nick_one}' />"),
                     connection_sequence("irc.localhost", '{jid_one}/{resource_one}'),
                     partial(expect_stanza,
                             "/message/body"),
                     partial(expect_stanza, "/presence"),
                     partial(expect_stanza, "/message[@from='#foo%{irc_server_one}'][@type='groupchat']/subject[not(text())]"),

                     # User tries to set a multiline topic
                     partial(send_stanza,
                             "<message from='{jid_one}/{resource_one}' to='#foo%{irc_server_one}' type='groupchat'><subject>FIRST LINE\nSECOND LINE.</subject></message>"),
                     partial(expect_stanza, "/message[@from='#foo%{irc_server_one}/{nick_one}'][@type='groupchat'][@to='{jid_one}/{resource_one}']/subject[text()='FIRST LINE SECOND LINE.']"),
                 ]),
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        Scenario("channel_basic_join_on_fixed_irc_server",
                 [
                     handshake_sequence(),
                     partial(send_stanza,
                     "<presence from='{jid_one}/{resource_one}' to='#zgeg@{biboumi_host}/{nick_one}' />"),
                     connection_sequence("irc.localhost", '{jid_one}/{resource_one}'),
                     partial(expect_stanza,
                     "/message/body[text()='Mode #zgeg [+nt] by {irc_host_one}']"),
                     partial(expect_stanza,
                     ("/presence[@to='{jid_one}/{resource_one}'][@from='#zgeg@{biboumi_host}/{nick_one}']/muc_user:x/muc_user:item[@affiliation='admin'][@role='moderator']",
                     "/presence/muc_user:x/muc_user:status[@code='110']")
                     ),
                     partial(expect_stanza, "/message[@from='#zgeg@{biboumi_host}'][@type='groupchat']/subject[not(text())]"),
                 ], conf='fixed_server'
                 ),
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        Scenario("list_adhoc",
                 [
                     handshake_sequence(),
                     partial(send_stanza, "<iq type='get' id='idwhatever' from='{jid_one}/{resource_one}' to='{biboumi_host}'><query xmlns='http://jabber.org/protocol/disco#items' node='http://jabber.org/protocol/commands' /></iq>"),
                     partial(expect_stanza, ("/iq[@type='result']/disco_items:query[@node='http://jabber.org/protocol/commands']",
                                             "/iq/disco_items:query/disco_items:item[3]")),
                 ]),
        Scenario("list_admin_adhoc",
                 [
                     handshake_sequence(),
                     partial(send_stanza, "<iq type='get' id='idwhatever' from='{jid_admin}/{resource_one}' to='{biboumi_host}'><query xmlns='http://jabber.org/protocol/disco#items' node='http://jabber.org/protocol/commands' /></iq>"),
                     partial(expect_stanza, ("/iq[@type='result']/disco_items:query[@node='http://jabber.org/protocol/commands']",
                                             "/iq/disco_items:query/disco_items:item[5]")),
                 ]),
        Scenario("list_adhoc_fixed_server",
                 [
                     handshake_sequence(),
                     partial(send_stanza, "<iq type='get' id='idwhatever' from='{jid_one}/{resource_one}' to='{biboumi_host}'><query xmlns='http://jabber.org/protocol/disco#items' node='http://jabber.org/protocol/commands' /></iq>"),
                     partial(expect_stanza, ("/iq[@type='result']/disco_items:query[@node='http://jabber.org/protocol/commands']",
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                                             "/iq/disco_items:query/disco_items:item[5]")),
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                 ], conf='fixed_server'),
        Scenario("list_admin_adhoc_fixed_server",
                 [
                     handshake_sequence(),
                     partial(send_stanza, "<iq type='get' id='idwhatever' from='{jid_admin}/{resource_one}' to='{biboumi_host}'><query xmlns='http://jabber.org/protocol/disco#items' node='http://jabber.org/protocol/commands' /></iq>"),
                     partial(expect_stanza, ("/iq[@type='result']/disco_items:query[@node='http://jabber.org/protocol/commands']",
                                             "/iq/disco_items:query/disco_items:item[5]")),
                 ], conf='fixed_server'),
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        Scenario("list_adhoc_irc",
                 [
                     handshake_sequence(),
                     partial(send_stanza, "<iq type='get' id='idwhatever' from='{jid_one}/{resource_one}' to='{irc_host_one}@{biboumi_host}'><query xmlns='http://jabber.org/protocol/disco#items' node='http://jabber.org/protocol/commands' /></iq>"),
                     partial(expect_stanza, ("/iq[@type='result']/disco_items:query[@node='http://jabber.org/protocol/commands']",
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                                             "/iq/disco_items:query/disco_items:item[2]")),
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                 ]),
        Scenario("list_adhoc_irc_fixed_server",
                 [
                     handshake_sequence(),
                     partial(send_stanza, "<iq type='get' id='idwhatever' from='{jid_one}/{resource_one}' to='{biboumi_host}'><query xmlns='http://jabber.org/protocol/disco#items' node='http://jabber.org/protocol/commands' /></iq>"),
                     partial(expect_stanza, ("/iq[@type='result']/disco_items:query[@node='http://jabber.org/protocol/commands']",
                                             "/iq/disco_items:query/disco_items:item[4]")),
                 ], conf='fixed_server'),
        Scenario("list_admin_adhoc_irc_fixed_server",
                 [
                     handshake_sequence(),
                     partial(send_stanza, "<iq type='get' id='idwhatever' from='{jid_admin}/{resource_one}' to='{biboumi_host}'><query xmlns='http://jabber.org/protocol/disco#items' node='http://jabber.org/protocol/commands' /></iq>"),
                     partial(expect_stanza, ("/iq[@type='result']/disco_items:query[@node='http://jabber.org/protocol/commands']",
                                             "/iq/disco_items:query/disco_items:item[6]")),
                 ], conf='fixed_server'),
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        Scenario("execute_hello_adhoc_command",
                 [
                     handshake_sequence(),
                     partial(send_stanza, "<iq type='set' id='hello-command1' from='{jid_one}/{resource_one}' to='{biboumi_host}'><command xmlns='http://jabber.org/protocol/commands' node='hello' action='execute' /></iq>"),
                     partial(expect_stanza, ("/iq[@type='result']/commands:command[@node='hello'][@sessionid][@status='executing']",
                                             "/iq/commands:command/dataform:x[@type='form']/dataform:title[text()='Configure your name.']",
                                             "/iq/commands:command/dataform:x[@type='form']/dataform:instructions[text()='Please provide your name.']",
                                             "/iq/commands:command/dataform:x[@type='form']/dataform:field[@type='text-single']/dataform:required",
                                             "/iq/commands:command/commands:actions/commands:next",
                                             ),
                                             after = partial(save_value, "sessionid", partial(extract_attribute, "/iq[@type='result']/commands:command[@node='hello']", "sessionid"))

                             ),
                     partial(send_stanza, "<iq type='set' id='hello-command2' from='{jid_one}/{resource_one}' to='{biboumi_host}'><command xmlns='http://jabber.org/protocol/commands' node='hello' sessionid='{sessionid}' action='next'><x xmlns='jabber:x:data' type='submit'><field var='name'><value>COUCOU</value></field></x></command></iq>"),
                     partial(expect_stanza, "/iq[@type='result']/commands:command[@node='hello'][@status='completed']/commands:note[@type='info'][text()='Hello COUCOU!']")
                 ]),
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        Scenario("execute_ping_adhoc_command",
                 [
                     handshake_sequence(),
                     partial(send_stanza, "<iq type='set' id='ping-command1' from='{jid_one}/{resource_one}' to='{biboumi_host}'><command xmlns='http://jabber.org/protocol/commands' node='ping' action='execute' /></iq>"),
                     partial(expect_stanza, "/iq[@type='result']/commands:command[@node='ping'][@status='completed']/commands:note[@type='info'][text()='Pong']")
                 ]),
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        Scenario("execute_reload_adhoc_command",
                 [
                     handshake_sequence(),
                     partial(send_stanza, "<iq type='set' id='ping-command1' from='{jid_admin}/{resource_one}' to='{biboumi_host}'><command xmlns='http://jabber.org/protocol/commands' node='reload' action='execute' /></iq>"),
                     partial(expect_stanza, "/iq[@type='result']/commands:command[@node='reload'][@status='completed']/commands:note[@type='info'][text()='Configuration reloaded.']")
                 ]),
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        Scenario("execute_forbidden_adhoc_command",
                 [
                     handshake_sequence(),
                     partial(send_stanza, "<iq type='set' id='command1' from='{jid_one}/{resource_one}' to='{biboumi_host}'><command xmlns='http://jabber.org/protocol/commands' node='disconnect-user' action='execute' /></iq>"),
                     partial(expect_stanza, ("/iq[@type='error'][@id='command1']/commands:command[@node='disconnect-user']",
                                             "/iq/commands:command/commands:error[@type='cancel']/stanza:forbidden")),
                 ]),
        Scenario("execute_disconnect_user_adhoc_command",
                 [
                     handshake_sequence(),

                     partial(send_stanza, "<presence from='{jid_admin}/{resource_one}' to='#foo%{irc_server_one}/{nick_one}' />"),
                     connection_sequence("irc.localhost", '{jid_admin}/{resource_one}'),
                     partial(expect_stanza, "/message/body[text()='Mode #foo [+nt] by {irc_host_one}']"),
                     partial(expect_stanza, "/presence"),
                     partial(expect_stanza, "/message"),

                     partial(send_stanza, "<iq type='set' id='command1' from='{jid_admin}/{resource_one}' to='{biboumi_host}'><command xmlns='http://jabber.org/protocol/commands' node='disconnect-user' action='execute' /></iq>"),
                     partial(expect_stanza, ("/iq[@type='result']/commands:command[@node='disconnect-user'][@sessionid][@status='executing']",
                                             "/iq/commands:command/commands:actions/commands:next",
                                             ),
                                             after = partial(save_value, "sessionid", partial(extract_attribute, "/iq/commands:command[@node='disconnect-user']", "sessionid"))
                             ),
                     partial(send_stanza, "<iq type='set' id='command2' from='{jid_admin}/{resource_one}' to='{biboumi_host}'><command xmlns='http://jabber.org/protocol/commands' node='disconnect-user' sessionid='{sessionid}' action='next'><x xmlns='jabber:x:data' type='submit'><field var='jids'><value>{jid_admin}</value></field><field var='quit-message'><value>Disconnected by e2e</value></field></x></command></iq>"),
                     partial(expect_stanza, "/iq[@type='result']/commands:command[@node='disconnect-user'][@status='completed']/commands:note[@type='info'][text()='1 user has been disconnected.']"),
                     # Note, charybdis ignores our QUIT message, so we can't test it
                     partial(expect_stanza, "/presence[@type='unavailable'][@to='{jid_admin}/{resource_one}'][@from='#foo%{irc_server_one}/{nick_one}']"),
                 ]),
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        Scenario("execute_admin_disconnect_from_server_adhoc_command",
                 [
                     handshake_sequence(),

                     # Admin connects to first server
                     partial(send_stanza, "<presence from='{jid_admin}/{resource_one}' to='#bar%{irc_server_one}/{nick_one}' />"),
                     connection_sequence("irc.localhost", '{jid_admin}/{resource_one}'),
                     partial(expect_stanza, "/message/body[text()='Mode #bar [+nt] by {irc_host_one}']"),
                     partial(expect_stanza, "/presence"),
                     partial(expect_stanza, "/message"),

                     # Non-Admin connects to first server
                     partial(send_stanza, "<presence from='{jid_one}/{resource_one}' to='#foo%{irc_server_one}/{nick_two}' />"),
                     connection_sequence("irc.localhost", '{jid_one}/{resource_one}'),
                     partial(expect_stanza, "/message/body[text()='Mode #foo [+nt] by {irc_host_one}']"),
                     partial(expect_stanza, "/presence"),
                     partial(expect_stanza, "/message"),

                     # Non-admin connects to second server
                     partial(send_stanza, "<presence from='{jid_one}/{resource_one}' to='#bon%{irc_server_two}/{nick_three}' />"),
                     connection_sequence("localhost", '{jid_one}/{resource_one}'),
                     partial(expect_stanza, "/message/body[text()='Mode #bon [+nt] by {irc_host_one}']"),
                     partial(expect_stanza, "/presence"),
                     partial(expect_stanza, "/message"),

                     # Execute as admin
                     partial(send_stanza, "<iq type='set' id='command1' from='{jid_admin}/{resource_one}' to='{biboumi_host}'><command xmlns='http://jabber.org/protocol/commands' node='disconnect-from-irc-server' action='execute' /></iq>"),
                     partial(expect_stanza, ("/iq[@type='result']/commands:command[@node='disconnect-from-irc-server'][@sessionid][@status='executing']",
                                             "/iq/commands:command/dataform:x[@type='form']/dataform:field[@var='jid'][@type='list-single']/dataform:option[@label='{jid_one}']/dataform:value[text()='{jid_one}']",
                                             "/iq/commands:command/dataform:x[@type='form']/dataform:field[@var='jid'][@type='list-single']/dataform:option[@label='{jid_admin}']/dataform:value[text()='{jid_admin}']",
                                             "/iq/commands:command/commands:actions/commands:next",
                                             ),
                             after = partial(save_value, "sessionid", partial(extract_attribute, "/iq/commands:command[@node='disconnect-from-irc-server']", "sessionid"))
                             ),
                     partial(send_stanza, "<iq type='set' id='command2' from='{jid_admin}/{resource_one}' to='{biboumi_host}'><command xmlns='http://jabber.org/protocol/commands' node='disconnect-from-irc-server' sessionid='{sessionid}' action='next'><x xmlns='jabber:x:data' type='submit'><field var='jid'><value>{jid_one}</value></field><field var='quit-message'><value>e2e test one</value></field></x></command></iq>"),

                     partial(expect_stanza, ("/iq[@type='result']/commands:command[@node='disconnect-from-irc-server'][@sessionid][@status='executing']",
                                             "/iq/commands:command/dataform:x[@type='form']/dataform:field[@var='quit-message'][@type='text-single']",
                                             "/iq/commands:command/dataform:x[@type='form']/dataform:field[@var='irc-servers'][@type='list-multi']",
                                             "/iq/commands:command/dataform:x[@type='form']/dataform:field[@var='irc-servers']/dataform:option[@label='localhost']/dataform:value[text()='localhost']",
                                             "/iq/commands:command/dataform:x[@type='form']/dataform:field[@var='irc-servers']/dataform:option[@label='irc.localhost']/dataform:value[text()='irc.localhost']",
                                             "/iq/commands:command/commands:actions/commands:next",
                                             ),
                             after = partial(save_value, "sessionid", partial(extract_attribute, "/iq/commands:command[@node='disconnect-from-irc-server']", "sessionid"))
                             ),
                     partial(send_stanza, "<iq type='set' id='command2' from='{jid_admin}/{resource_one}' to='{biboumi_host}'><command xmlns='http://jabber.org/protocol/commands' node='disconnect-from-irc-server' sessionid='{sessionid}' action='next'><x xmlns='jabber:x:data' type='submit'><field var='irc-servers'><value>localhost</value></field><field var='quit-message'><value>Disconnected by e2e</value></field></x></command></iq>"),
                     partial(expect_unordered, [("/presence[@type='unavailable'][@to='{jid_one}/{resource_one}'][@from='#bon%{irc_server_two}/{nick_three}']",),
                                                ("/iq[@type='result']/commands:command[@node='disconnect-from-irc-server'][@status='completed']/commands:note[@type='info'][text()='{jid_one} was disconnected from 1 IRC server.']",),
                                                ("/message[@to='{jid_one}/{resource_one}']/body[text()='ERROR: Disconnected by e2e']",),
                                                ]),


                     # Execute as non-admin (this skips the first step)
                     partial(send_stanza, "<iq type='set' id='command1' from='{jid_one}/{resource_one}' to='{biboumi_host}'><command xmlns='http://jabber.org/protocol/commands' node='disconnect-from-irc-server' action='execute' /></iq>"),

                     partial(expect_stanza, ("/iq[@type='result']/commands:command[@node='disconnect-from-irc-server'][@sessionid][@status='executing']",
                                             "/iq/commands:command/dataform:x[@type='form']/dataform:field[@var='quit-message'][@type='text-single']",
                                             "/iq/commands:command/dataform:x[@type='form']/dataform:field[@var='irc-servers'][@type='list-multi']",
                                             "/iq/commands:command/dataform:x[@type='form']/dataform:field[@var='irc-servers']/dataform:option[@label='irc.localhost']/dataform:value[text()='irc.localhost']",
                                             "/iq/commands:command/commands:actions/commands:next",
                                             ),
                             after = partial(save_value, "sessionid", partial(extract_attribute, "/iq/commands:command[@node='disconnect-from-irc-server']", "sessionid"))
                             ),
                     partial(send_stanza, "<iq type='set' id='command2' from='{jid_one}/{resource_one}' to='{biboumi_host}'><command xmlns='http://jabber.org/protocol/commands' node='disconnect-from-irc-server' sessionid='{sessionid}' action='next'><x xmlns='jabber:x:data' type='submit'><field var='irc-servers'><value>irc.localhost</value></field><field var='quit-message'><value>Disconnected by e2e</value></field></x></command></iq>"),
                     partial(expect_unordered, [("/presence[@type='unavailable'][@to='{jid_one}/{resource_one}'][@from='#foo%{irc_server_one}/{nick_two}']",),
                                                ("/iq[@type='result']/commands:command[@node='disconnect-from-irc-server'][@status='completed']/commands:note[@type='info'][text()='{jid_one}/{resource_one} was disconnected from 1 IRC server.']",),
                                                ("/message[@to='{jid_one}/{resource_one}']/body[text()='ERROR: Disconnected by e2e']",),
                                                ]),
                 ]),
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        Scenario("multisessionnick",
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                 [
                     handshake_sequence(),
                     partial(send_stanza,
                             "<presence from='{jid_one}/{resource_one}' to='#foo%{irc_server_one}/{nick_one}' />"),
                     connection_sequence("irc.localhost", '{jid_one}/{resource_one}'),
                     partial(expect_stanza,
                             "/message/body[text()='Mode #foo [+nt] by {irc_host_one}']"),
                     partial(expect_stanza,
                             ("/presence[@to='{jid_one}/{resource_one}'][@from='#foo%{irc_server_one}/{nick_one}']/muc_user:x/muc_user:item[@affiliation='admin'][@role='moderator']",
                              "/presence/muc_user:x/muc_user:status[@code='110']")
                             ),
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                     partial(expect_stanza, "/message[@from='#foo%{irc_server_one}'][@type='groupchat'][@to='{jid_one}/{resource_one}']/subject[not(text())]"),
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                     # The other resources joins the same room, with the same nick
                     partial(send_stanza,
                             "<presence from='{jid_one}/{resource_two}' to='#foo%{irc_server_one}/{nick_one}' />"),
                     # We receive our own join
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                     partial(expect_unordered,
                             [("/presence[@to='{jid_one}/{resource_two}'][@from='#foo%{irc_server_one}/{nick_one}']/muc_user:x/muc_user:item[@affiliation='admin'][@role='moderator']",
                              "/presence/muc_user:x/muc_user:status[@code='110']"),
                              ("/message[@from='#foo%{irc_server_one}'][@type='groupchat'][@to='{jid_one}/{resource_two}']/subject[not(text())]",)]
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                             ),
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                     # A different user joins the same room
                     partial(send_stanza,
                             "<presence from='{jid_two}/{resource_one}' to='#foo%{irc_server_one}/{nick_two}' />"),
                     connection_sequence("irc.localhost", '{jid_two}/{resource_one}'),

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                     partial(expect_unordered, [
                                ("/presence[@to='{jid_one}/{resource_one}'][@from='#foo%{irc_server_one}/{nick_two}']",),
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                                ("/presence[@to='{jid_one}/{resource_two}'][@from='#foo%{irc_server_one}/{nick_two}']",),
                                ("/presence[@to='{jid_two}/{resource_one}'][@from='#foo%{irc_server_one}/{nick_two}']",
                                "/presence/muc_user:x/muc_user:status[@code='110']",),
                                ("/presence[@to='{jid_two}/{resource_one}'][@from='#foo%{irc_server_one}/{nick_one}']",),
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                                ]
                             ),
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                     partial(expect_stanza, "/message[@from='#foo%{irc_server_one}'][@type='groupchat']/subject[not(text())]"),

                     # That second user sends a private message to the first one
                     partial(send_stanza, "<message from='{jid_two}/{resource_one}' to='#foo%{irc_server_one}/{nick_one}' type='chat'><body>RELLO</body></message>"),
                     # Message is received with a server-wide JID, by the two resources behind nick_one
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                     partial(expect_stanza, ("/message[@from='{lower_nick_two}%{irc_server_one}'][@to='{jid_one}/{resource_one}'][@type='chat']/body[text()='RELLO']",
                                             "/message/hints:no-copy",
                                             "/message/carbon:private")),
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                     partial(expect_stanza, "/message[@from='{lower_nick_two}%{irc_server_one}'][@to='{jid_one}/{resource_two}'][@type='chat']/body[text()='RELLO']"),
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                     # First occupant (with the two resources) changes her/his nick
                     partial(send_stanza, "<presence from='{jid_one}/{resource_one}' to='#foo%{irc_server_one}/{nick_two}' />"),
                     partial(expect_unordered, [
                         ("/message[@to='{jid_one}/{resource_one}'][@type='chat']/body[text()='irc.localhost: Bobby: Nickname is already in use.']",),
                         ("/message[@to='{jid_one}/{resource_two}'][@type='chat']/body[text()='irc.localhost: Bobby: Nickname is already in use.']",),
                         ("/presence[@to='{jid_one}/{resource_one}'][@from='#foo%{irc_server_one}/{nick_two}'][@type='error']",),
                         ("/presence[@to='{jid_one}/{resource_two}'][@from='#foo%{irc_server_one}/{nick_two}'][@type='error']",),
                     ]),

                     # First occupant (with the two resources) changes her/his nick
                     partial(send_stanza, "<presence from='{jid_one}/{resource_one}' to='#foo%{irc_server_one}/{nick_three}' />"),
                     partial(expect_unordered, [
                         ("/presence[@from='#foo%{irc_server_one}/{nick_one}'][@to='{jid_two}/{resource_one}'][@type='unavailable']/muc_user:x/muc_user:item[@nick='Bernard']",
                          "/presence/muc_user:x/muc_user:status[@code='303']"),
                         ("/presence[@from='#foo%{irc_server_one}/{nick_three}'][@to='{jid_two}/{resource_one}']",),
                         ("/presence[@from='#foo%{irc_server_one}/{nick_one}'][@to='{jid_one}/{resource_one}'][@type='unavailable']/muc_user:x/muc_user:item[@nick='Bernard']",
                          "/presence/muc_user:x/muc_user:status[@code='303']",
                          "/presence/muc_user:x/muc_user:status[@code='110']"),
                         ("/presence[@from='#foo%{irc_server_one}/{nick_three}'][@to='{jid_one}/{resource_one}']",
                          "/presence/muc_user:x/muc_user:status[@code='110']"),

                         ("/presence[@from='#foo%{irc_server_one}/{nick_one}'][@to='{jid_one}/{resource_two}'][@type='unavailable']/muc_user:x/muc_user:item[@nick='Bernard']",
                          "/presence/muc_user:x/muc_user:status[@code='303']",
                          "/presence/muc_user:x/muc_user:status[@code='110']"),
                         ("/presence[@from='#foo%{irc_server_one}/{nick_three}'][@to='{jid_one}/{resource_two}']",
                          "/presence/muc_user:x/muc_user:status[@code='110']"),
                     ]),

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                     # One resource leaves the server entirely.
                     partial(send_stanza, "<presence type='unavailable' from='{jid_one}/{resource_two}' to='#foo%{irc_server_one}/{nick_one}' />"),
                     # The leave is forwarded only to us
                     partial(expect_stanza,
                             ("/presence[@type='unavailable']/muc_user:x/muc_user:status[@code='110']",
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                              "/presence/status[text()='Biboumi note: 1 resources are still in this channel.']",
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