#
# Twisted, the Framework of Your Internet
# Copyright (C) 2001 Matthew W. Lefkowitz
# 
# This library is free software; you can redistribute it and/or
# modify it under the terms of version 2.1 of the GNU Lesser General Public
# License as published by the Free Software Foundation.
# 
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
# Lesser General Public License for more details.
# 
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

import sys, os
from twisted.trial import unittest

from twisted.protocols import xmlstream
from twisted.xish import utility

class AuthStandin(xmlstream.ConnectAuthenticator):
    namespace = "testns"
    def __init__(self, testcase):
        xmlstream.Authenticator.__init__(self, "foob")
        self.testcase = testcase
    
    def streamStarted(self, rootelem):
        self.testcase.streamStarted = True
        self.testcase.assertEquals(rootelem["id"], "12345")
        self.testcase.assertEquals(rootelem["from"], "testharness")

class XmlStreamTest(unittest.TestCase):
    def setUp(self):
        self.errorOccurred = False
        self.streamStarted = False
        self.streamEnded = False
        self.outlist = []
        self.xmlstream = xmlstream.XmlStream(AuthStandin(self))
        self.xmlstream.send = self.outlist.append
        self.xmlstream.transport = self

    # Auxilary methods 
    def loseConnection(self):
        self.xmlstream.connectionLost("no reason")
    
    def streamErrorEvent(self, errelem):
        self.errorOccurred = True
        self.assertEquals(errelem["id"], "123")

    def streamEndEvent(self, _):
        self.streamEnded = True
        
    def testBasicOp(self):
        xs = self.xmlstream
        xs.addObserver(xmlstream.STREAM_ERROR_EVENT,
                       self.streamErrorEvent)
        xs.addObserver(xmlstream.STREAM_END_EVENT,
                       self.streamEndEvent)

        # Go...
        xs.connectionMade()
        self.assertEquals(self.outlist[0], "<stream:stream xmlns='testns' xmlns:stream='http://etherx.jabber.org/streams' to='foob'>")
        
        xs.dataReceived("<stream:stream xmlns='testns' xmlns:stream='http://etherx.jabber.org/streams' from='testharness' id='12345'>")
        self.assertEquals(self.streamStarted, True)

        self.assertEquals(self.errorOccurred, False)
        self.assertEquals(self.streamEnded, False)
        xs.dataReceived("<stream:error id='123'/>")
        self.assertEquals(self.errorOccurred, True)
        self.assertEquals(self.streamEnded, True)