~singpolyma/biboumi

ref: d57b8bb8c3edc4271a9be3d052a220db09250a7e biboumi/tests/end_to_end/__main__.py -rw-r--r-- 8.0 KiB
d57b8bb8 — louiz’ Trivial formatting 6 years ago
                                                                                
51a34f83 Florent Le Coz
d57b8bb8 louiz’
51a34f83 Florent Le Coz
d57b8bb8 louiz’
51a34f83 Florent Le Coz
55d1d817 Florent Le Coz
51a34f83 Florent Le Coz
55d1d817 Florent Le Coz
51a34f83 Florent Le Coz
55d1d817 Florent Le Coz
51a34f83 Florent Le Coz
d57b8bb8 louiz’
55d1d817 Florent Le Coz
51a34f83 Florent Le Coz
d57b8bb8 louiz’
51a34f83 Florent Le Coz
d57b8bb8 louiz’
51a34f83 Florent Le Coz
55d1d817 Florent Le Coz
51a34f83 Florent Le Coz
1ee5f8e0 Florent Le Coz
51a34f83 Florent Le Coz
d57b8bb8 louiz’
1ee5f8e0 Florent Le Coz
51a34f83 Florent Le Coz
d57b8bb8 louiz’
51a34f83 Florent Le Coz
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#!/usr/bin/env python3

import slixmpp
import asyncio
import logging
import signal
import atexit
import sys
from functools import partial
from slixmpp.xmlstream.matcher.base import MatcherBase


class MatchAll(MatcherBase):
    """match everything"""

    def match(self, xml):
        return True


class StanzaError(Exception):
    pass


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)

        asyncio.async(self.accept_routine())

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

    def error(self, message):
        print("[31;1mFailure[0m: %s" % (message,))
        self.scenario.steps = []
        self.failed = True

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

    def handle_incoming_stanza(self, stanza):
        if self.stanza_checker:
            try:
                self.stanza_checker(stanza)
            except StanzaError as e:
                self.error(e)
            self.stanza_checker = None
        self.run_scenario()

    def run_scenario(self):
        if scenario.steps:
            step = scenario.steps.pop(0)
            step(self, self.biboumi)
        else:
            self.biboumi.stop()

    @asyncio.coroutine
    def accept_routine(self):
        self.accepting_server = yield from self.loop.create_server(lambda: self,
                                                                   "127.0.0.1", "8811", reuse_address=True)


def check_xpath(xpath, stanza):
    matched = slixmpp.xmlstream.matcher.xpath.MatchXPath(xpath).match(stanza)
    if not matched:
        raise StanzaError("Received stanza “%s” did not match expected xpath “%s”" % (stanza, self.expected_xpath))


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
    """

    def __init__(self, name, steps):
        """
        Steps is a list of 2-tuple:
        [(action, answer), (action, answer)]
        """
        self.name = name
        self.steps = steps


class BiboumiRunner:
    def __init__(self, name, with_valgrind):
        self.name = name
        self.fd = open("biboumi_%s_output.txt" % (name,), "w")
        if with_valgrind:
            self.create = asyncio.create_subprocess_exec("valgrind", "--leak-check=full", "--show-leak-kinds=all",
                                                         "--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)
        self.process = None

        self.signal_sent = False

    @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)


def send_stanza(stanza, xmpp, biboumi):
    xmpp.send_raw(stanza)
    asyncio.get_event_loop().call_soon(xmpp.run_scenario)


def expect_stanza(xpath, xmpp, biboumi):
    xmpp.stanza_checker = partial(check_xpath, xpath)


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
        self.expected_code = 0

    def run(self, with_valgrind=True):
        print("Running scenario: [33;1m%s[0m%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)

        with open("test.conf", "w") as fd:
            fd.write(confs['basic'])

        # Start the XMPP component and biboumi
        biboumi = BiboumiRunner(scenario.name, with_valgrind)
        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())
        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("[32;1mSuccess![0m")
        else:
            failed = True

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

        return not failed


confs = {'basic':
"""hostname=biboumi.localhost
password=coucou
db_name=biboumi.sqlite
port=8811"""}

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",
                 [
                     partial(expect_stanza, "{jabber:component:accept}handshake"),
                     partial(send_stanza, "<handshake xmlns='jabber:component:accept'/>"),
                 ]),
        Scenario("channel_join",
                 [
                     partial(expect_stanza, "{jabber:component:accept}handshake"),
                     partial(send_stanza, "<handshake xmlns='jabber:component:accept'/>"),
                     partial(send_stanza,
                             "<presence from='me@example.com/Nick' to='#foo%irc.localhost@biboumi.localhost' />"),
                     partial(expect_stanza, "{jabber:component:accept}message/body"),
                 ]),
    )

    failures = 0

    print("Running %s checks for biboumi." % (len(scenarios)))

    for scenario in scenarios:
        test = BiboumiTest(scenario)
        if not test.run(False):
            print("You can check the files slixmpp_%s_output.txt and biboumi_%s_output.txt to help you debug." %
                  (scenario.name, scenario.name))
            failures += 1

    if failures:
        print("%d test%s failed, please fix %s." % (failures, 's' if failures > 1 else '',
                                                    'them' if failures > 1 else 'it'))
        sys.exit(1)
    else:
        print("All tests passed successfully")