def testIncrementalHarvestReScheduleIfNoRecordsMatch(self):
observer = CallTrace(emptyGeneratorMethods=['add'])
oaiDownloadProcessor = OaiDownloadProcessor(path="/oai", metadataPrefix="oai_dc", incrementalHarvestSchedule=Schedule(period=0), workingDirectory=self.tempdir, xWait=False, err=StringIO())
oaiDownloadProcessor.addObserver(observer)
consume(oaiDownloadProcessor.handle(parse(StringIO(LISTRECORDS_RESPONSE % ''))))
self.assertEquals('2002-06-01T19:20:30Z', oaiDownloadProcessor._from)
consume(oaiDownloadProcessor.handle(parse(StringIO(NO_RECORDS_MATCH_RESPONSE))))
self.assertEquals(None, oaiDownloadProcessor._errorState)
self.assertEquals('2012-06-01T19:20:30Z', oaiDownloadProcessor._from)
def testHandleYieldsAtLeastOnceAfterEachRecord(self):
def add(**kwargs):
return
yield
observer = CallTrace(methods={'add': add})
oaiDownloadProcessor = OaiDownloadProcessor(path="/oai", metadataPrefix="oai_dc", workingDirectory=self.tempdir, xWait=False)
oaiDownloadProcessor.addObserver(observer)
yields = list(compose(oaiDownloadProcessor.handle(parse(StringIO(LISTRECORDS_RESPONSE % '')))))
self.assertEquals(1, len(yields))
secondRecord = '<record xmlns="http://www.openarchives.org/OAI/2.0/"><header><identifier>oai:identifier:2</identifier><datestamp>2011-08-22T07:41:00Z</datestamp></header><metadata>ignored</metadata></record>'
yields = list(compose(oaiDownloadProcessor.handle(parse(StringIO(LISTRECORDS_RESPONSE % secondRecord)))))
self.assertEquals(2, len(yields))
def testSetIncrementalHarvestSchedule(self):
oaiDownloadProcessor = OaiDownloadProcessor(path="/oai", metadataPrefix="oai_dc", workingDirectory=self.tempdir, xWait=False, err=StringIO(), incrementalHarvestSchedule=None)
oaiDownloadProcessor._time = lambda: 10
oaiDownloadProcessor.setIncrementalHarvestSchedule(schedule=Schedule(period=3))
self.assertEquals(0, oaiDownloadProcessor._earliestNextRequestTime)
consume(oaiDownloadProcessor.handle(parse(StringIO(LISTRECORDS_RESPONSE % ''))))
self.assertEquals(13, oaiDownloadProcessor._earliestNextRequestTime)
def testIncrementalHarvestScheduleNoneOverruledWithSetIncrementalHarvestSchedule(self):
oaiDownloadProcessor = OaiDownloadProcessor(path="/oai", metadataPrefix="oai_dc", workingDirectory=self.tempdir, xWait=False, err=StringIO(), incrementalHarvestSchedule=None)
oaiDownloadProcessor._time = lambda: 10
consume(oaiDownloadProcessor.handle(parse(StringIO(LISTRECORDS_RESPONSE % ''))))
self.assertEquals(None, oaiDownloadProcessor._resumptionToken)
self.assertEquals('2002-06-01T19:20:30Z', oaiDownloadProcessor._from)
self.assertEquals(None, oaiDownloadProcessor._earliestNextRequestTime)
oaiDownloadProcessor.setIncrementalHarvestSchedule(schedule=Schedule(period=3))
self.assertEquals(None, oaiDownloadProcessor.buildRequest())
self.assertEquals(None, oaiDownloadProcessor._earliestNextRequestTime)
oaiDownloadProcessor.scheduleNextRequest()
self.assertNotEquals(None, oaiDownloadProcessor.buildRequest())
self.assertEquals(0, oaiDownloadProcessor._earliestNextRequestTime)
consume(oaiDownloadProcessor.handle(parse(StringIO(LISTRECORDS_RESPONSE % ''))))
self.assertEquals(13, oaiDownloadProcessor._earliestNextRequestTime)
def testIncrementalHarvestScheduleSetToNone(self):
observer = CallTrace(emptyGeneratorMethods=['add'])
oaiDownloadProcessor = OaiDownloadProcessor(path="/oai", metadataPrefix="oai_dc", incrementalHarvestSchedule=Schedule(period=0), workingDirectory=self.tempdir, xWait=False, err=StringIO())
oaiDownloadProcessor.addObserver(observer)
consume(oaiDownloadProcessor.handle(parse(StringIO(LISTRECORDS_RESPONSE))))
self.assertEquals('2002-06-01T19:20:30Z', oaiDownloadProcessor._from)
self.assertNotEqual(None, oaiDownloadProcessor._earliestNextRequestTime)
self.assertEquals(['startOaiBatch', 'add', 'stopOaiBatch', 'signalHarvestingDone'], observer.calledMethodNames())
observer.calledMethods.reset()
oaiDownloadProcessor.setFrom(from_=None)
oaiDownloadProcessor.setIncrementalHarvestSchedule(schedule=None)
consume(oaiDownloadProcessor.handle(parse(StringIO(LISTRECORDS_RESPONSE))))
self.assertEquals('2002-06-01T19:20:30Z', oaiDownloadProcessor._from)
self.assertEquals(None, oaiDownloadProcessor._earliestNextRequestTime)
self.assertEquals(['startOaiBatch', 'add', 'stopOaiBatch', 'signalHarvestingDone'], observer.calledMethodNames())
def testBuildRequestNoneWhenNoResumptionToken(self):
observer = CallTrace(emptyGeneratorMethods=['add'])
oaiDownloadProcessor = OaiDownloadProcessor(path="/oai", metadataPrefix="oai_dc", workingDirectory=self.tempdir, xWait=False, err=StringIO())
oaiDownloadProcessor.addObserver(observer)
consume(oaiDownloadProcessor.handle(parse(StringIO(LISTRECORDS_RESPONSE))))
self.assertEquals(None, oaiDownloadProcessor._resumptionToken)
self.assertEquals(None, oaiDownloadProcessor.buildRequest())
def testSignalHarvestingDone(self):
observer = CallTrace(emptyGeneratorMethods=['add'])
oaiDownloadProcessor = OaiDownloadProcessor(path='/p', metadataPrefix='p', workingDirectory=self.tempdir, incrementalHarvestSchedule=None)
oaiDownloadProcessor.addObserver(observer)
consume(oaiDownloadProcessor.handle(parse(StringIO(LISTRECORDS_RESPONSE % ''))))
self.assertEquals(['startOaiBatch', 'add', 'stopOaiBatch', 'signalHarvestingDone'], observer.calledMethodNames())
def testRestartAfterFinish(self):
observer = CallTrace(emptyGeneratorMethods=['add'])
oaiDownloadProcessor = OaiDownloadProcessor(path="/oai", metadataPrefix="oai_dc", workingDirectory=self.tempdir, xWait=False, err=StringIO(), restartAfterFinish=True)
oaiDownloadProcessor.addObserver(observer)
consume(oaiDownloadProcessor.handle(parse(StringIO(LISTRECORDS_RESPONSE))))
self.assertEquals(None, oaiDownloadProcessor._resumptionToken)
request = oaiDownloadProcessor.buildRequest()
self.assertTrue(request.startswith('GET /oai?verb=ListRecords&metadataPrefix=oai_dc HTTP/1.0\r\nX-Meresco-Oai-Client-Identifier: '), request)
def testIncrementalHarvestScheduleNone(self):
observer = CallTrace(emptyGeneratorMethods=['add'])
oaiDownloadProcessor = OaiDownloadProcessor(path="/oai", metadataPrefix="oai_dc", workingDirectory=self.tempdir, xWait=False, err=StringIO(), incrementalHarvestSchedule=None)
oaiDownloadProcessor.addObserver(observer)
consume(oaiDownloadProcessor.handle(parse(StringIO(LISTRECORDS_RESPONSE % ''))))
self.assertEquals(None, oaiDownloadProcessor._resumptionToken)
self.assertEquals('2002-06-01T19:20:30Z', oaiDownloadProcessor._from)
self.assertEquals(None, oaiDownloadProcessor._earliestNextRequestTime)
def testYieldSuspendFromAdd(self):
observer = CallTrace()
oaiDownloadProcessor = OaiDownloadProcessor(path="/oai", metadataPrefix="oai_dc", workingDirectory=self.tempdir, xWait=False)
oaiDownloadProcessor.addObserver(observer)
suspend = Suspend()
observer.returnValues['add'] = (x for x in [suspend])
yields = list(compose(oaiDownloadProcessor.handle(parse(StringIO(LISTRECORDS_RESPONSE % '')))))
self.assertEquals([suspend, None], yields)
def testRaiseErrorOnBadResponse(self):
oaiDownloadProcessor = OaiDownloadProcessor(path="/oai", metadataPrefix="oai_dc", workingDirectory=self.tempdir, xWait=True)
badRecord = '<record>No Header</record>'
try:
list(compose(oaiDownloadProcessor.handle(parse(StringIO(LISTRECORDS_RESPONSE % badRecord)))))
self.fail()
except IndexError:
pass
def testUseResumptionToken(self):
observer = CallTrace(emptyGeneratorMethods=['add'])
oaiDownloadProcessor = OaiDownloadProcessor(path="/oai", metadataPrefix="oai_dc", workingDirectory=self.tempdir, xWait=True, err=StringIO())
oaiDownloadProcessor.addObserver(observer)
consume(oaiDownloadProcessor.handle(parse(StringIO(LISTRECORDS_RESPONSE % RESUMPTION_TOKEN))))
self.assertEquals('x?y&z', oaiDownloadProcessor._resumptionToken)
self.assertEquals('GET /oai?verb=ListRecords&resumptionToken=x%%3Fy%%26z&x-wait=True HTTP/1.0\r\nX-Meresco-Oai-Client-Identifier: %s\r\nUser-Agent: Meresco-Oai-DownloadProcessor/5.x\r\n\r\n' % oaiDownloadProcessor._identifier, oaiDownloadProcessor.buildRequest())
oaiDownloadProcessor = OaiDownloadProcessor(path="/oai", metadataPrefix="oai_dc", workingDirectory=self.tempdir, xWait=True, err=StringIO())
self.assertEquals('x?y&z', oaiDownloadProcessor._resumptionToken)
def testResponseDateAsFrom(self):
observer = CallTrace(emptyGeneratorMethods=['add'])
oaiDownloadProcessor = OaiDownloadProcessor(path="/oai", metadataPrefix="oai_dc", workingDirectory=self.tempdir, xWait=False, err=StringIO())
oaiDownloadProcessor.addObserver(observer)
consume(oaiDownloadProcessor.handle(parse(StringIO(LISTRECORDS_RESPONSE % RESUMPTION_TOKEN))))
self.assertEquals('2002-06-01T19:20:30Z', oaiDownloadProcessor._from)
oaiDownloadProcessor = OaiDownloadProcessor(path="/oai", metadataPrefix="oai_dc", workingDirectory=self.tempdir, xWait=False, err=StringIO())
self.assertEquals('2002-06-01T19:20:30Z', oaiDownloadProcessor._from)
def testIncrementalHarvestWithFromWithDefaultScheduleMidnight(self):
observer = CallTrace(emptyGeneratorMethods=['add'])
oaiDownloadProcessor = OaiDownloadProcessor(path="/oai", metadataPrefix="oai_dc", workingDirectory=self.tempdir, xWait=False, err=StringIO())
oaiDownloadProcessor._time = oaiDownloadProcessor._incrementalHarvestSchedule._time = lambda: 01 * 60 * 60
oaiDownloadProcessor._incrementalHarvestSchedule._utcnow = lambda: datetime.strptime("01:00", "%H:%M")
oaiDownloadProcessor.addObserver(observer)
consume(oaiDownloadProcessor.handle(parse(StringIO(LISTRECORDS_RESPONSE))))
self.assertEquals(None, oaiDownloadProcessor._resumptionToken)
self.assertEquals(24 * 60 * 60.0, oaiDownloadProcessor._earliestNextRequestTime)
def testShutdownPersistsStateOnAutocommit(self):
observer = CallTrace(emptyGeneratorMethods=['add'])
oaiDownloadProcessor = OaiDownloadProcessor(path="/oai", metadataPrefix="oai_dc", workingDirectory=self.tempdir, autoCommit=False)
oaiDownloadProcessor.addObserver(observer)
consume(oaiDownloadProcessor.handle(parse(StringIO(LISTRECORDS_RESPONSE % RESUMPTION_TOKEN))))
state = oaiDownloadProcessor.getState()
self.assertFalse(isfile(join(self.tempdir, 'harvester.state')))
oaiDownloadProcessor.handleShutdown()
self.assertEquals({"errorState": None, 'from': '2002-06-01T19:20:30Z', "resumptionToken": state.resumptionToken}, load(open(join(self.tempdir, 'harvester.state'))))
def testListIdentifiersHandle(self):
observer = CallTrace(methods={'add': lambda **kwargs: (x for x in [])})
oaiDownloadProcessor = OaiDownloadProcessor(path="/oai", metadataPrefix="oai_dc", workingDirectory=self.tempdir, xWait=False, verb='ListIdentifiers')
oaiDownloadProcessor.addObserver(observer)
list(compose(oaiDownloadProcessor.handle(parse(StringIO(LISTIDENTIFIERS_RESPONSE)))))
self.assertEquals(['startOaiBatch', 'add', 'stopOaiBatch', 'signalHarvestingDone'], [m.name for m in observer.calledMethods])
addMethod = observer.calledMethods[1]
self.assertEquals(0, len(addMethod.args))
self.assertEqualsWS(ONE_HEADER, lxmltostring(addMethod.kwargs['lxmlNode']))
self.assertEquals('2011-08-22T07:34:00Z', addMethod.kwargs['datestamp'])
self.assertEquals('oai:identifier:1', addMethod.kwargs['identifier'])
def testListRecordsRequestError(self):
resumptionToken = "u|c1286437597991025|mprefix|s|f"
open(join(self.tempdir, 'harvester.state'), 'w').write("Resumptiontoken: %s\n" % resumptionToken)
observer = CallTrace()
oaiDownloadProcessor = OaiDownloadProcessor(path="/oai", metadataPrefix="oai_dc", workingDirectory=self.tempdir, xWait=True, err=StringIO())
oaiDownloadProcessor.addObserver(observer)
self.assertEquals('GET /oai?%s HTTP/1.0\r\nX-Meresco-Oai-Client-Identifier: %s\r\nUser-Agent: Meresco-Oai-DownloadProcessor/5.x\r\n\r\n' % (urlencode([('verb', 'ListRecords'), ('resumptionToken', resumptionToken), ('x-wait', 'True')]), oaiDownloadProcessor._identifier), oaiDownloadProcessor.buildRequest())
consume(oaiDownloadProcessor.handle(parse(StringIO(ERROR_RESPONSE))))
self.assertEquals(0, len(observer.calledMethods))
self.assertEquals("someError: Some error occurred.\n", oaiDownloadProcessor._err.getvalue())
self.assertEquals('GET /oai?%s HTTP/1.0\r\nX-Meresco-Oai-Client-Identifier: %s\r\nUser-Agent: Meresco-Oai-DownloadProcessor/5.x\r\n\r\n' % (urlencode([('verb', 'ListRecords'), ('metadataPrefix', 'oai_dc'), ('x-wait', 'True')]), oaiDownloadProcessor._identifier), oaiDownloadProcessor.buildRequest())
def testKeepResumptionTokenOnFailingAddCall(self):
resumptionToken = "u|c1286437597991025|mprefix|s|f"
open(join(self.tempdir, 'harvester.state'), 'w').write("Resumptiontoken: %s\n" % resumptionToken)
observer = CallTrace()
observer.exceptions={'add': Exception("Could be anything")}
oaiDownloadProcessor = OaiDownloadProcessor(path="/oai", metadataPrefix="oai_dc", workingDirectory=self.tempdir, xWait=True, err=StringIO())
oaiDownloadProcessor.addObserver(observer)
self.assertEquals('GET /oai?%s HTTP/1.0\r\nX-Meresco-Oai-Client-Identifier: %s\r\nUser-Agent: Meresco-Oai-DownloadProcessor/5.x\r\n\r\n' % (urlencode([('verb', 'ListRecords'), ('resumptionToken', resumptionToken), ('x-wait', 'True')]), oaiDownloadProcessor._identifier), oaiDownloadProcessor.buildRequest())
self.assertRaises(Exception, lambda: list(compose(oaiDownloadProcessor.handle(parse(StringIO(LISTRECORDS_RESPONSE % RESUMPTION_TOKEN))))))
self.assertEquals(['startOaiBatch', 'add', 'stopOaiBatch'], [m.name for m in observer.calledMethods])
errorOutput = oaiDownloadProcessor._err.getvalue()
self.assertTrue(errorOutput.startswith('Traceback'), errorOutput)
self.assertTrue('Exception: Could be anything\nWhile processing:\n<record xmlns="http://www.openarchives.org/OAI/2.0/"><header><identifier>oai:identifier:1' in errorOutput, errorOutput)
self.assertEquals('GET /oai?%s HTTP/1.0\r\nX-Meresco-Oai-Client-Identifier: %s\r\nUser-Agent: Meresco-Oai-DownloadProcessor/5.x\r\n\r\n' % (urlencode([('verb', 'ListRecords'), ('resumptionToken', resumptionToken), ('x-wait', 'True')]), oaiDownloadProcessor._identifier), oaiDownloadProcessor.buildRequest())
def testHandleWithTwoRecords(self):
observer = CallTrace(methods={'add': lambda **kwargs: (x for x in [])})
oaiDownloadProcessor = OaiDownloadProcessor(path="/oai", metadataPrefix="oai_dc", workingDirectory=self.tempdir, xWait=True)
oaiDownloadProcessor.addObserver(observer)
secondRecord = '<record xmlns="http://www.openarchives.org/OAI/2.0/"><header><identifier>oai:identifier:2</identifier><datestamp>2011-08-22T07:41:00Z</datestamp></header><metadata>ignored</metadata></record>'
list(compose(oaiDownloadProcessor.handle(parse(StringIO(LISTRECORDS_RESPONSE % (secondRecord + RESUMPTION_TOKEN))))))
self.assertEquals(['startOaiBatch', 'add', 'add', 'stopOaiBatch'], [m.name for m in observer.calledMethods])
addMethod0, addMethod1 = observer.calledMethods[1:3]
self.assertEquals(0, len(addMethod0.args))
self.assertEqualsWS(ONE_RECORD, lxmltostring(addMethod0.kwargs['lxmlNode']))
self.assertEquals('2011-08-22T07:34:00Z', addMethod0.kwargs['datestamp'])
self.assertEquals('oai:identifier:1', addMethod0.kwargs['identifier'])
self.assertEqualsWS(secondRecord, lxmltostring(addMethod1.kwargs['lxmlNode']))
self.assertEquals('2011-08-22T07:41:00Z', addMethod1.kwargs['datestamp'])
self.assertEquals('oai:identifier:2', addMethod1.kwargs['identifier'])
def testIncrementalHarvestWithFromAfterSomePeriod(self):
observer = CallTrace(emptyGeneratorMethods=['add'])
oaiDownloadProcessor = OaiDownloadProcessor(path="/oai", metadataPrefix="oai_dc", workingDirectory=self.tempdir, xWait=False, err=StringIO(), incrementalHarvestSchedule=Schedule(period=10))
oaiDownloadProcessor._time = lambda: 1.0
oaiDownloadProcessor.addObserver(observer)
consume(oaiDownloadProcessor.handle(parse(StringIO(LISTRECORDS_RESPONSE))))
self.assertEquals(None, oaiDownloadProcessor._resumptionToken)
self.assertEquals('2002-06-01T19:20:30Z', oaiDownloadProcessor._from)
self.assertEquals(None, oaiDownloadProcessor.buildRequest())
oaiDownloadProcessor._time = lambda: 6.0
self.assertEquals(None, oaiDownloadProcessor.buildRequest())
oaiDownloadProcessor._time = lambda: 10.0
self.assertEquals(None, oaiDownloadProcessor.buildRequest())
oaiDownloadProcessor._time = lambda: 11.1
request = oaiDownloadProcessor.buildRequest()
self.assertTrue(request.startswith('GET /oai?verb=ListRecords&from=2002-06-01T19%3A20%3A30Z&metadataPrefix=oai_dc'), request)
def testHarvesterStateWithError(self):
resumptionToken = "u|c1286437597991025|mprefix|s|f"
open(join(self.tempdir, 'harvester.state'), 'w').write("Resumptiontoken: %s\n" % resumptionToken)
observer = CallTrace()
observer.exceptions={'add': Exception("Could be anything")}
oaiDownloadProcessor = OaiDownloadProcessor(path="/oai", metadataPrefix="oai_dc", workingDirectory=self.tempdir, xWait=True, err=StringIO(), name="Name")
oaiDownloadProcessor.addObserver(observer)
self.assertRaises(Exception, lambda: list(compose(oaiDownloadProcessor.handle(parse(StringIO(LISTRECORDS_RESPONSE % RESUMPTION_TOKEN))))))
state = oaiDownloadProcessor.getState()
self.assertEquals(resumptionToken, state.resumptionToken)
self.assertEquals(None, state.from_)
self.assertEquals("ERROR while processing 'oai:identifier:1': Could be anything", state.errorState)
self.assertEquals("Name", state.name)
oaiDownloadProcessor2 = OaiDownloadProcessor(path="/oai", metadataPrefix="oai_dc", workingDirectory=self.tempdir, xWait=True, err=StringIO())
state2 = oaiDownloadProcessor2.getState()
self.assertEquals(resumptionToken, state2.resumptionToken)
self.assertEquals("ERROR while processing 'oai:identifier:1': Could be anything", state2.errorState)
def testScheduleNextRequest(self):
oaiDownloadProcessor = OaiDownloadProcessor(path='/p', metadataPrefix='p', workingDirectory=self.tempdir)
oaiDownloadProcessor._time = lambda: 17
consume(oaiDownloadProcessor.handle(parse(StringIO(LISTRECORDS_RESPONSE % ''))))
self.assertTrue(oaiDownloadProcessor._earliestNextRequestTime > 17)
oaiDownloadProcessor.scheduleNextRequest()
self.assertEquals(0, oaiDownloadProcessor._earliestNextRequestTime)
self.assertEquals(True, oaiDownloadProcessor._timeForNextRequest())
self.assertNotEqual(None, oaiDownloadProcessor.buildRequest())
oaiDownloadProcessor.scheduleNextRequest(Schedule(period=0))
self.assertEquals(17, oaiDownloadProcessor._earliestNextRequestTime)
self.assertEquals(True, oaiDownloadProcessor._timeForNextRequest())
self.assertNotEqual(None, oaiDownloadProcessor.buildRequest())
oaiDownloadProcessor.scheduleNextRequest(Schedule(period=120))
self.assertEquals(137, oaiDownloadProcessor._earliestNextRequestTime)
self.assertEquals(False, oaiDownloadProcessor._timeForNextRequest())
self.assertEquals(None, oaiDownloadProcessor.buildRequest())
def testHarvesterState(self):
observer = CallTrace(emptyGeneratorMethods=['add'])
oaiDownloadProcessor = OaiDownloadProcessor(path="/oai", metadataPrefix="oai_dc", workingDirectory=self.tempdir, xWait=True, err=StringIO())
oaiDownloadProcessor.addObserver(observer)
state = oaiDownloadProcessor.getState()
self.assertEquals(None, state.resumptionToken)
self.assertEquals(None, state.from_)
self.assertEquals(None, state.errorState)
self.assertEquals(None, state.name)
self.assertEquals("/oai", state.path)
self.assertEquals("oai_dc", state.metadataPrefix)
self.assertEquals(None, state.set)
self.assertEquals(0, state.nextRequestTime)
oaiDownloadProcessor.setSet('s')
oaiDownloadProcessor.setPath('/p')
oaiDownloadProcessor.setMetadataPrefix('pref')
oaiDownloadProcessor.observable_setName('aName')
consume(oaiDownloadProcessor.handle(parse(StringIO(LISTRECORDS_RESPONSE % RESUMPTION_TOKEN))))
state = oaiDownloadProcessor.getState()
self.assertEquals("x?y&z", state.resumptionToken)
self.assertEquals('2002-06-01T19:20:30Z', state.from_)
self.assertEquals(None, state.errorState)
self.assertEquals('aName', state.name)
self.assertEquals("/p", state.path)
self.assertEquals("pref", state.metadataPrefix)
self.assertEquals('s', state.set)
self.assertEquals(0, state.nextRequestTime)
# Change state of oaiDownloadProcessor -> changes stateView.
oaiDownloadProcessor.setSet('x')
self.assertEquals('x', state.set)
oaiDownloadProcessor2 = OaiDownloadProcessor(path="/oai", metadataPrefix="oai_dc", workingDirectory=self.tempdir, xWait=True, err=StringIO())
state2 = oaiDownloadProcessor2.getState()
self.assertEquals(None, state2.name)
self.assertEquals("oai_dc", state2.metadataPrefix)
self.assertEquals("x?y&z", state2.resumptionToken)
self.assertEquals('2002-06-01T19:20:30Z', state2.from_)
self.assertEquals(None, state2.errorState)
self.assertEquals(0, state.nextRequestTime)
