def match(request, session, trace, system_date, url_args, hooks,
module_system_date=None):
"""Returns the stats of a request match process
:param request: source stubo request
:param session: cached session payload associated with this request
:param module_system_date: optional system date of an external module
"""
request_text = request.request_body()
scenario_key = session['scenario']
session_name = session['session']
log.debug(u'match: request_text={0}'.format(request_text))
trace.info('system_date={0}, module_system_date={1}'.format(
system_date, module_system_date))
stats = []
if 'stubs' not in session or not len(session['stubs']):
if session.get('status') != 'playback':
raise exception_response(400,
title="session {0} not in playback mode for scenario "
"{1}".format(session_name, scenario_key))
raise exception_response(500,
title="no stubs found in session {0} for {1}, status={2}".format(
session_name, scenario_key, session.get('status')))
stub_count = len(session['stubs'])
trace.info(u'matching against {0} stubs'.format(stub_count))
for stub_number in range(stub_count):
trace.info('stub ({0})'.format(stub_number))
stub = StubCache(session['stubs'][stub_number], scenario_key,
session_name)
source_stub = copy.deepcopy(stub)
request_copy = copy.deepcopy(request)
stub, request_copy = transform(stub,
request_copy,
module_system_date=module_system_date,
system_date=system_date,
function='get/response',
cache=session.get('ext_cache'),
hooks=hooks,
stage='matcher',
trace=trace,
url_args=url_args)
trace.info('finished transformation')
if source_stub != stub:
trace.diff('stub ({0}) was transformed'.format(stub_number),
source_stub.payload, stub.payload)
trace.info('stub ({0}) was transformed into'.format(stub_number),
stub.payload)
if request_copy != request:
trace.diff('request was transformed', request_copy.request_body(),
request.request_body())
trace.info('request was transformed into', request_copy.request_body())
matcher = StubMatcher(trace)
hits = matcher.match(request_copy, stub)
stats.append(((hits, stub_number), stub))
if hits == stub.number_of_matchers():
# without most_matchers_win support
trace.info(u"stub '{0}' matched".format(stub_number))
break
# sort by hits (desc), stub_number (asc)
# to match against 1. greatest hits or 2. first stub to get a hit
return sorted(stats, key=lambda k: (k[0][0], -k[0][1]), reverse=True)
