""" SleekXMPP: The Sleek XMPP Library Copyright (C) 2010 Nathanael C. Fritz, Lance J.T. Stout This file is part of SleekXMPP. See the file LICENSE for copying permission. """ import unittest import sleekxmpp from sleekxmpp import ClientXMPP, ComponentXMPP from sleekxmpp.stanza import Message, Iq, Presence from sleekxmpp.test import TestSocket, TestLiveSocket from sleekxmpp.xmlstream import StanzaBase, ET, register_stanza_plugin from sleekxmpp.xmlstream.tostring import tostring class SleekTest(unittest.TestCase): """ A SleekXMPP specific TestCase class that provides methods for comparing message, iq, and presence stanzas. Methods: Message -- Create a Message stanza object. Iq -- Create an Iq stanza object. Presence -- Create a Presence stanza object. check_stanza -- Compare a generic stanza against an XML string. check_message -- Compare a Message stanza against an XML string. check_iq -- Compare an Iq stanza against an XML string. check_presence -- Compare a Presence stanza against an XML string. stream_start -- Initialize a dummy XMPP client. stream_recv -- Queue data for XMPP client to receive. stream_make_header -- Create a stream header. stream_send_header -- Check that the given header has been sent. stream_send_message -- Check that the XMPP client sent the given Message stanza. stream_send_iq -- Check that the XMPP client sent the given Iq stanza. stream_send_presence -- Check thatt the XMPP client sent the given Presence stanza. stream_send_stanza -- Check that the XMPP client sent the given generic stanza. stream_close -- Disconnect the XMPP client. fix_namespaces -- Add top-level namespace to an XML object. compare -- Compare XML objects against each other. """ def parse_xml(self, xml_string): try: xml = ET.fromstring(xml_string) return xml except SyntaxError as e: if 'unbound' in e.msg: known_prefixes = { 'stream': 'http://etherx.jabber.org/streams'} prefix = xml_string.split('<')[1].split(':')[0] if prefix in known_prefixes: xml_string = '%s' % ( prefix, known_prefixes[prefix], xml_string) xml = self.parse_xml(xml_string) xml = xml.getchildren()[0] return xml # ------------------------------------------------------------------ # Shortcut methods for creating stanza objects def Message(self, *args, **kwargs): """ Create a Message stanza. Uses same arguments as StanzaBase.__init__ Arguments: xml -- An XML object to use for the Message's values. """ return Message(None, *args, **kwargs) def Iq(self, *args, **kwargs): """ Create an Iq stanza. Uses same arguments as StanzaBase.__init__ Arguments: xml -- An XML object to use for the Iq's values. """ return Iq(None, *args, **kwargs) def Presence(self, *args, **kwargs): """ Create a Presence stanza. Uses same arguments as StanzaBase.__init__ Arguments: xml -- An XML object to use for the Iq's values. """ return Presence(None, *args, **kwargs) def check_JID(self, jid, user=None, domain=None, resource=None, bare=None, full=None, string=None): """ Verify the components of a JID. Arguments: jid -- The JID object to test. user -- Optional. The user name portion of the JID. domain -- Optional. The domain name portion of the JID. resource -- Optional. The resource portion of the JID. bare -- Optional. The bare JID. full -- Optional. The full JID. string -- Optional. The string version of the JID. """ if user is not None: self.assertEqual(jid.user, user, "User does not match: %s" % jid.user) if domain is not None: self.assertEqual(jid.domain, domain, "Domain does not match: %s" % jid.domain) if resource is not None: self.assertEqual(jid.resource, resource, "Resource does not match: %s" % jid.resource) if bare is not None: self.assertEqual(jid.bare, bare, "Bare JID does not match: %s" % jid.bare) if full is not None: self.assertEqual(jid.full, full, "Full JID does not match: %s" % jid.full) if string is not None: self.assertEqual(str(jid), string, "String does not match: %s" % str(jid)) # ------------------------------------------------------------------ # Methods for comparing stanza objects to XML strings def check_stanza(self, stanza_class, stanza, xml_string, defaults=None, use_values=True): """ Create and compare several stanza objects to a correct XML string. If use_values is False, test using getStanzaValues() and setStanzaValues() will not be used. Some stanzas provide default values for some interfaces, but these defaults can be problematic for testing since they can easily be forgotten when supplying the XML string. A list of interfaces that use defaults may be provided and the generated stanzas will use the default values for those interfaces if needed. However, correcting the supplied XML is not possible for interfaces that add or remove XML elements. Only interfaces that map to XML attributes may be set using the defaults parameter. The supplied XML must take into account any extra elements that are included by default. Arguments: stanza_class -- The class of the stanza being tested. stanza -- The stanza object to test. xml_string -- A string version of the correct XML expected. defaults -- A list of stanza interfaces that have default values. These interfaces will be set to their defaults for the given and generated stanzas to prevent unexpected test failures. use_values -- Indicates if testing using getStanzaValues() and setStanzaValues() should be used. Defaults to True. """ xml = self.parse_xml(xml_string) # Ensure that top level namespaces are used, even if they # were not provided. self.fix_namespaces(stanza.xml, 'jabber:client') self.fix_namespaces(xml, 'jabber:client') stanza2 = stanza_class(xml=xml) if use_values: # Using getStanzaValues() and setStanzaValues() will add # XML for any interface that has a default value. We need # to set those defaults on the existing stanzas and XML # so that they will compare correctly. default_stanza = stanza_class() if defaults is None: defaults = [] for interface in defaults: stanza[interface] = stanza[interface] stanza2[interface] = stanza2[interface] # Can really only automatically add defaults for top # level attribute values. Anything else must be accounted # for in the provided XML string. if interface not in xml.attrib: if interface in default_stanza.xml.attrib: value = default_stanza.xml.attrib[interface] xml.attrib[interface] = value values = stanza2.getStanzaValues() stanza3 = stanza_class() stanza3.setStanzaValues(values) debug = "Three methods for creating stanzas do not match.\n" debug += "Given XML:\n%s\n" % tostring(xml) debug += "Given stanza:\n%s\n" % tostring(stanza.xml) debug += "Generated stanza:\n%s\n" % tostring(stanza2.xml) debug += "Second generated stanza:\n%s\n" % tostring(stanza3.xml) result = self.compare(xml, stanza.xml, stanza2.xml, stanza3.xml) else: debug = "Two methods for creating stanzas do not match.\n" debug += "Given XML:\n%s\n" % tostring(xml) debug += "Given stanza:\n%s\n" % tostring(stanza.xml) debug += "Generated stanza:\n%s\n" % tostring(stanza2.xml) result = self.compare(xml, stanza.xml, stanza2.xml) self.failUnless(result, debug) def check_message(self, msg, xml_string, use_values=True): """ Create and compare several message stanza objects to a correct XML string. If use_values is False, the test using getStanzaValues() and setStanzaValues() will not be used. Arguments: msg -- The Message stanza object to check. xml_string -- The XML contents to compare against. use_values -- Indicates if the test using getStanzaValues and setStanzaValues should be used. Defaults to True. """ return self.check_stanza(Message, msg, xml_string, defaults=['type'], use_values=use_values) def check_iq(self, iq, xml_string, use_values=True): """ Create and compare several iq stanza objects to a correct XML string. If use_values is False, the test using getStanzaValues() and setStanzaValues() will not be used. Arguments: iq -- The Iq stanza object to check. xml_string -- The XML contents to compare against. use_values -- Indicates if the test using getStanzaValues and setStanzaValues should be used. Defaults to True. """ return self.check_stanza(Iq, iq, xml_string, use_values=use_values) def check_presence(self, pres, xml_string, use_values=True): """ Create and compare several presence stanza objects to a correct XML string. If use_values is False, the test using getStanzaValues() and setStanzaValues() will not be used. Arguments: iq -- The Iq stanza object to check. xml_string -- The XML contents to compare against. use_values -- Indicates if the test using getStanzaValues and setStanzaValues should be used. Defaults to True. """ return self.check_stanza(Presence, pres, xml_string, defaults=['priority'], use_values=use_values) # ------------------------------------------------------------------ # Methods for simulating stanza streams. def stream_start(self, mode='client', skip=True, header=None, socket='mock', jid='tester@localhost', password='test', server='localhost', port=5222): """ Initialize an XMPP client or component using a dummy XML stream. Arguments: mode -- Either 'client' or 'component'. Defaults to 'client'. skip -- Indicates if the first item in the sent queue (the stream header) should be removed. Tests that wish to test initializing the stream should set this to False. Otherwise, the default of True should be used. socket -- Either 'mock' or 'live' to indicate if the socket should be a dummy, mock socket or a live, functioning socket. Defaults to 'mock'. jid -- The JID to use for the connection. Defaults to 'tester@localhost'. password -- The password to use for the connection. Defaults to 'test'. server -- The name of the XMPP server. Defaults to 'localhost'. port -- The port to use when connecting to the server. Defaults to 5222. """ if mode == 'client': self.xmpp = ClientXMPP(jid, password) elif mode == 'component': self.xmpp = ComponentXMPP(jid, password, server, port) else: raise ValueError("Unknown XMPP connection mode.") if socket == 'mock': self.xmpp.set_socket(TestSocket()) # Simulate connecting for mock sockets. self.xmpp.auto_reconnect = False self.xmpp.is_client = True self.xmpp.state._set_state('connected') # Must have the stream header ready for xmpp.process() to work. if not header: header = self.xmpp.stream_header self.xmpp.socket.recv_data(header) elif socket == 'live': self.xmpp.socket_class = TestLiveSocket self.xmpp.connect() else: raise ValueError("Unknown socket type.") self.xmpp.register_plugins() self.xmpp.process(threaded=True) if skip: # Clear startup stanzas self.xmpp.socket.next_sent(timeout=1) if mode == 'component': self.xmpp.socket.next_sent(timeout=1) def stream_make_header(self, sto='', sfrom='', sid='', stream_ns="http://etherx.jabber.org/streams", default_ns="jabber:client", version="1.0", xml_header=True): """ Create a stream header to be received by the test XMPP agent. The header must be saved and passed to stream_start. Arguments: sto -- The recipient of the stream header. sfrom -- The agent sending the stream header. sid -- The stream's id. stream_ns -- The namespace of the stream's root element. default_ns -- The default stanza namespace. version -- The stream version. xml_header -- Indicates if the XML version header should be appended before the stream header. """ header = '' parts = [] if xml_header: header = '' + header if sto: parts.append('to="%s"' % sto) if sfrom: parts.append('from="%s"' % sfrom) if sid: parts.append('id="%s"' % sid) parts.append('version="%s"' % version) parts.append('xmlns:stream="%s"' % stream_ns) parts.append('xmlns="%s"' % default_ns) return header % ' '.join(parts) def stream_recv(self, data, stanza_class=StanzaBase, defaults=[], use_values=True, timeout=1): """ Pass data to the dummy XMPP client as if it came from an XMPP server. If using a live connection, verify what the server has sent. Arguments: data -- String stanza XML to be received and processed by the XMPP client or component. stanza_class -- The stanza object class for verifying data received by a live connection. Defaults to StanzaBase. defaults -- A list of stanza interfaces with default values that may interfere with comparisons. use_values -- Indicates if stanza comparisons should test using getStanzaValues() and setStanzaValues(). Defaults to True. timeout -- Time to wait in seconds for data to be received by a live connection. """ if self.xmpp.socket.is_live: # we are working with a live connection, so we should # verify what has been received instead of simulating # receiving data. recv_data = self.xmpp.socket.next_recv(timeout) if recv_data is None: return False stanza = stanza_class(xml=self.parse_xml(recv_data)) return self.check_stanza(stanza_class, stanza, data, defaults=defaults, use_values=use_values) else: # place the data in the dummy socket receiving queue. data = str(data) self.xmpp.socket.recv_data(data) def stream_recv_header(self, sto='', sfrom='', sid='', stream_ns="http://etherx.jabber.org/streams", default_ns="jabber:client", version="1.0", xml_header=False, timeout=1): """ Check that a given stream header was received. Arguments: sto -- The recipient of the stream header. sfrom -- The agent sending the stream header. sid -- The stream's id. Set to None to ignore. stream_ns -- The namespace of the stream's root element. default_ns -- The default stanza namespace. version -- The stream version. xml_header -- Indicates if the XML version header should be appended before the stream header. timeout -- Length of time to wait in seconds for a response. """ header = self.stream_make_header(sto, sfrom, sid, stream_ns=stream_ns, default_ns=default_ns, version=version, xml_header=xml_header) recv_header = self.xmpp.socket.next_recv(timeout) if recv_header is None: raise ValueError("Socket did not return data.") # Apply closing elements so that we can construct # XML objects for comparison. header2 = header + '' recv_header2 = recv_header + '' xml = self.parse_xml(header2) recv_xml = self.parse_xml(recv_header2) if sid is None: # Ignore the id sent by the server since # we can't know in advance what it will be. if 'id' in recv_xml.attrib: del recv_xml.attrib['id'] # Ignore the xml:lang attribute for now. if 'xml:lang' in recv_xml.attrib: del recv_xml.attrib['xml:lang'] xml_ns = 'http://www.w3.org/XML/1998/namespace' if '{%s}lang' % xml_ns in recv_xml.attrib: del recv_xml.attrib['{%s}lang' % xml_ns] if recv_xml.getchildren: # We received more than just the header for xml in recv_xml.getchildren(): self.xmpp.socket.recv_data(tostring(xml)) attrib = recv_xml.attrib recv_xml.clear() recv_xml.attrib = attrib self.failUnless( self.compare(xml, recv_xml), "Stream headers do not match:\nDesired:\n%s\nReceived:\n%s" % ( '%s %s' % (xml.tag, xml.attrib), '%s %s' % (recv_xml.tag, recv_xml.attrib))) #tostring(xml), tostring(recv_xml)))#recv_header)) def stream_recv_feature(self, data, use_values=True, timeout=1): """ """ if self.xmpp.socket.is_live: # we are working with a live connection, so we should # verify what has been received instead of simulating # receiving data. recv_data = self.xmpp.socket.next_recv(timeout) if recv_data is None: return False xml = self.parse_xml(data) recv_xml = self.parse_xml(recv_data) self.failUnless(self.compare(xml, recv_xml), "Features do not match.\nDesired:\n%s\nReceived:\n%s" % ( tostring(xml), tostring(recv_xml))) else: # place the data in the dummy socket receiving queue. data = str(data) self.xmpp.socket.recv_data(data) def stream_recv_message(self, data, use_values=True, timeout=1): """ """ return self.stream_recv(data, stanza_class=Message, defaults=['type'], use_values=use_values, timeout=timeout) def stream_recv_iq(self, data, use_values=True, timeout=1): """ """ return self.stream_recv(data, stanza_class=Iq, use_values=use_values, timeout=timeout) def stream_recv_presence(self, data, use_values=True, timeout=1): """ """ return self.stream_recv(data, stanza_class=Presence, defaults=['priority'], use_values=use_values, timeout=timeout) def stream_send_header(self, sto='', sfrom='', sid='', stream_ns="http://etherx.jabber.org/streams", default_ns="jabber:client", version="1.0", xml_header=False, timeout=1): """ Check that a given stream header was sent. Arguments: sto -- The recipient of the stream header. sfrom -- The agent sending the stream header. sid -- The stream's id. stream_ns -- The namespace of the stream's root element. default_ns -- The default stanza namespace. version -- The stream version. xml_header -- Indicates if the XML version header should be appended before the stream header. timeout -- Length of time to wait in seconds for a response. """ header = self.stream_make_header(sto, sfrom, sid, stream_ns=stream_ns, default_ns=default_ns, version=version, xml_header=xml_header) sent_header = self.xmpp.socket.next_sent(timeout) if sent_header is None: raise ValueError("Socket did not return data.") # Apply closing elements so that we can construct # XML objects for comparison. header2 = header + '' sent_header2 = sent_header + b'' xml = self.parse_xml(header2) sent_xml = self.parse_xml(sent_header2) self.failUnless( self.compare(xml, sent_xml), "Stream headers do not match:\nDesired:\n%s\nSent:\n%s" % ( header, sent_header)) def stream_send_feature(self, data, use_values=True, timeout=1): """ """ sent_data = self.xmpp.socket.next_sent(timeout) if sent_data is None: return False xml = self.parse_xml(data) sent_xml = self.parse_xml(sent_data) self.failUnless(self.compare(xml, sent_xml), "Features do not match.\nDesired:\n%s\nSent:\n%s" % ( tostring(xml), tostring(sent_xml))) def stream_send_stanza(self, stanza_class, data, defaults=None, use_values=True, timeout=.1): """ Check that the XMPP client sent the given stanza XML. Extracts the next sent stanza and compares it with the given XML using check_stanza. Arguments: stanza_class -- The class of the sent stanza object. data -- The XML string of the expected Message stanza, or an equivalent stanza object. use_values -- Modifies the type of tests used by check_message. defaults -- A list of stanza interfaces that have defaults values which may interfere with comparisons. timeout -- Time in seconds to wait for a stanza before failing the check. """ if isintance(data, str): data = stanza_class(xml=self.parse_xml(data)) sent = self.xmpp.socket.next_sent(timeout) self.check_stanza(stanza_class, data, sent, defaults=defaults, use_values=use_values) def stream_send_message(self, data, use_values=True, timeout=.1): """ Check that the XMPP client sent the given stanza XML. Extracts the next sent stanza and compares it with the given XML using check_message. Arguments: data -- The XML string of the expected Message stanza, or an equivalent stanza object. use_values -- Modifies the type of tests used by check_message. timeout -- Time in seconds to wait for a stanza before failing the check. """ if isinstance(data, str): data = self.Message(xml=self.parse_xml(data)) sent = self.xmpp.socket.next_sent(timeout) self.check_message(data, sent, use_values) def stream_send_iq(self, data, use_values=True, timeout=.1): """ Check that the XMPP client sent the given stanza XML. Extracts the next sent stanza and compares it with the given XML using check_iq. Arguments: data -- The XML string of the expected Iq stanza, or an equivalent stanza object. use_values -- Modifies the type of tests used by check_iq. timeout -- Time in seconds to wait for a stanza before failing the check. """ if isinstance(data, str): data = self.Iq(xml=self.parse_xml(data)) sent = self.xmpp.socket.next_sent(timeout) self.check_iq(data, sent, use_values) def stream_send_presence(self, data, use_values=True, timeout=.1): """ Check that the XMPP client sent the given stanza XML. Extracts the next sent stanza and compares it with the given XML using check_presence. Arguments: data -- The XML string of the expected Presence stanza, or an equivalent stanza object. use_values -- Modifies the type of tests used by check_presence. timeout -- Time in seconds to wait for a stanza before failing the check. """ if isinstance(data, str): data = self.Presence(xml=self.parse_xml(data)) sent = self.xmpp.socket.next_sent(timeout) self.check_presence(data, sent, use_values) def stream_close(self): """ Disconnect the dummy XMPP client. Can be safely called even if stream_start has not been called. Must be placed in the tearDown method of a test class to ensure that the XMPP client is disconnected after an error. """ if hasattr(self, 'xmpp') and self.xmpp is not None: self.xmpp.socket.recv_data(self.xmpp.stream_footer) self.xmpp.disconnect() # ------------------------------------------------------------------ # XML Comparison and Cleanup def fix_namespaces(self, xml, ns): """ Assign a namespace to an element and any children that don't have a namespace. Arguments: xml -- The XML object to fix. ns -- The namespace to add to the XML object. """ if xml.tag.startswith('{'): return xml.tag = '{%s}%s' % (ns, xml.tag) for child in xml.getchildren(): self.fix_namespaces(child, ns) def compare(self, xml, *other): """ Compare XML objects. Arguments: xml -- The XML object to compare against. *other -- The list of XML objects to compare. """ if not other: return False # Compare multiple objects if len(other) > 1: for xml2 in other: if not self.compare(xml, xml2): return False return True other = other[0] # Step 1: Check tags if xml.tag != other.tag: return False # Step 2: Check attributes if xml.attrib != other.attrib: return False # Step 3: Check text if xml.text is None: xml.text = "" if other.text is None: other.text = "" xml.text = xml.text.strip() other.text = other.text.strip() if xml.text != other.text: return False # Step 4: Check children count if len(xml.getchildren()) != len(other.getchildren()): return False # Step 5: Recursively check children for child in xml: child2s = other.findall("%s" % child.tag) if child2s is None: return False for child2 in child2s: if self.compare(child, child2): break else: return False # Step 6: Recursively check children the other way. for child in other: child2s = xml.findall("%s" % child.tag) if child2s is None: return False for child2 in child2s: if self.compare(child, child2): break else: return False # Everything matches return True