diff options
Diffstat (limited to 'src/account/test/common.py')
| -rw-r--r-- | src/account/test/common.py | 158 |
1 files changed, 158 insertions, 0 deletions
diff --git a/src/account/test/common.py b/src/account/test/common.py index c56e94d..39442af 100644 --- a/src/account/test/common.py +++ b/src/account/test/common.py @@ -21,11 +21,56 @@ import pywbem import os import unittest +import Queue +import random +import BaseHTTPServer +import socket +import threading """ Base class for all tests """ +class CIMListener(object): + """ CIM Listener + """ + class CIMHandler(BaseHTTPServer.BaseHTTPRequestHandler): + def do_POST(self): + data = self.rfile.read(int(self.headers['Content-Length'])) + tt = pywbem.parse_cim(pywbem.xml_to_tupletree(data)) + # Get the instance from CIM-XML, copied from + # http://sf.net/apps/mediawiki/pywbem/?title=Indications_Tutorial + insts = [x[1] for x in tt[2][2][0][2][2]] + for inst in insts: + self.callback(inst) + self.send_response(200) + self.end_headers() + + def log_message(self, format, *p): + # suppress log messages + pass + + def __init__(self, callback, http_port=5988): + self.address = ('', http_port) + self.CIMHandler.callback = callback + self.thread = None + self.server = None + + def start(self): + BaseHTTPServer.HTTPServer.allow_reuse_address = True + self.server = BaseHTTPServer.HTTPServer(self.address, self.CIMHandler) + self.thread = threading.Thread(target=self.server.serve_forever) + self.thread.start() + + def stop(self): + if self.server is not None: + self.server.shutdown() + self.server.socket.close() + if self.thread is not None: + self.thread.join() + + def running(self): + return self.thread is not None class AccountBase(unittest.TestCase): @@ -44,3 +89,116 @@ class AccountBase(unittest.TestCase): self.wbemconnection = pywbem.WBEMConnection(self.url, (self.username, self.password)) + # for indications + self.indication_port = random.randint(12000, 13000) + self.indication_queue = Queue.Queue() + self.listener = CIMListener( + callback=self._process_indication, + http_port=self.indication_port) + + self.subscribed = {} + + def tearDown(self): + self.listener.stop() + if self.subscribed: + for name in self.subscribed.keys(): + self.unsubscribe(name) + + def get_indication(self, timeout): + """ Wait for an indication for given nr. of seconds and return it.""" + try: + indication = self.indication_queue.get(timeout=timeout) + except Queue.Empty: + raise AssertionError("Timeout when waiting for indicaiton") + self.indication_queue.task_done() + return indication + + def subscribe(self, filter_name, query=None, querylang="DMTF:CQL"): + """ + Create indication subscription for given filter name. + """ + namespace = "root/PG_interop" + hostname = socket.gethostname() + + if query is not None: + # Create filter first + filterinst = pywbem.CIMInstance('CIM_IndicationFilter') + filterinst['CreationClassName'] = 'CIM_IndicationFilter' + filterinst['SystemCreationClassName'] = 'CIM_ComputerSystem' + filterinst['SystemName'] = hostname + filterinst['Name'] = filter_name + filterinst['Query'] = query + filterinst['QueryLanguage'] = querylang + filterinst['SourceNamespace'] = "root/cimv2"#namespace + cop = pywbem.CIMInstanceName('CIM_IndicationFilter') + cop.keybindings = { 'CreationClassName': 'CIM_IndicationFilter', + 'SystemClassName': 'CIM_ComputerSystem', + 'SystemName': hostname, + 'Name': filter_name + } + cop.namespace=namespace + filterinst.path = cop + indfilter = self.wbemconnection.CreateInstance(filterinst) + else: + # the filter is already created, assemble its name + indfilter = pywbem.CIMInstanceName( + classname="CIM_IndicationFilter", + namespace=namespace, + keybindings={ + 'CreationClassName': 'CIM_IndicationFilter', + 'SystemClassName': 'CIM_ComputerSystem', + 'SystemName': hostname, + 'Name': filter_name}) + + # create destination + destinst = pywbem.CIMInstance('CIM_ListenerDestinationCIMXML') + destinst['CreationClassName'] = 'CIM_ListenerDestinationCIMXML' + destinst['SystemCreationClassName'] = 'CIM_ComputerSystem' + destinst['SystemName'] = hostname + destinst['Name'] = filter_name + destinst['Destination'] = "http://localhost:%d" % (self.indication_port) + destinst['PersistenceType'] = pywbem.Uint16(3) # Transient + cop = pywbem.CIMInstanceName('CIM_ListenerDestinationCIMXML') + cop.keybindings = { 'CreationClassName':'CIM_ListenerDestinationCIMXML', + 'SystemClassName':'CIM_ComputerSystem', + 'SystemName':hostname, + 'Name':filter_name } + cop.namespace = namespace + destinst.path = cop + destname = self.wbemconnection.CreateInstance(destinst) + + # create the subscription + subinst = pywbem.CIMInstance('CIM_IndicationSubscription') + subinst['Filter'] = indfilter + subinst['Handler'] = destname + cop = pywbem.CIMInstanceName('CIM_IndicationSubscription') + cop.keybindings = { 'Filter': indfilter, + 'Handler': destname } + cop.namespace = namespace + subinst.path = cop + subscription = self.wbemconnection.CreateInstance(subinst) + + self.subscribed[filter_name] = [subscription, destname] + + # start listening + if not self.listener.running(): + self._start_listening() + return subscription + + def unsubscribe(self, filter_name): + """ + Unsubscribe fron given filter. + """ + _list = self.subscribed.pop(filter_name) + for instance in _list: + self.wbemconnection.DeleteInstance(instance) + + def _start_listening(self): + """ Start listening for incoming indications. """ + self.listener.start() + + def _process_indication(self, indication): + """ Callback to process one indication.""" + self.indication_queue.put(indication) + + |