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.assertEqual(None, state.resumptionToken)
self.assertEqual(None, state.from_)
self.assertEqual(None, state.errorState)
self.assertEqual(None, state.name)
self.assertEqual("/oai", state.path)
self.assertEqual("oai_dc", state.metadataPrefix)
self.assertEqual(None, state.set)
self.assertEqual(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.assertEqual("x?y&z", state.resumptionToken)
self.assertEqual('2002-06-01T19:20:30Z', state.from_)
self.assertEqual(None, state.errorState)
self.assertEqual('aName', state.name)
self.assertEqual("/p", state.path)
self.assertEqual("pref", state.metadataPrefix)
self.assertEqual('s', state.set)
self.assertEqual(0, state.nextRequestTime)
# Change state of oaiDownloadProcessor -> changes stateView.
oaiDownloadProcessor.setSet('x')
self.assertEqual('x', state.set)
oaiDownloadProcessor2 = OaiDownloadProcessor(
path="/oai",
metadataPrefix="oai_dc",
workingDirectory=self.tempdir,
xWait=True,
err=StringIO())
state2 = oaiDownloadProcessor2.getState()
self.assertEqual(None, state2.name)
self.assertEqual("oai_dc", state2.metadataPrefix)
self.assertEqual("x?y&z", state2.resumptionToken)
self.assertEqual('2002-06-01T19:20:30Z', state2.from_)
self.assertEqual(None, state2.errorState)
self.assertEqual(0, state.nextRequestTime)
def testHarvesterStateWithError(self):
resumptionToken = "u|c1286437597991025|mprefix|s|f"
with open(join(self.tempdir, 'harvester.state'), 'w') as f:
f.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.assertEqual(resumptionToken, state.resumptionToken)
self.assertEqual(None, state.from_)
self.assertEqual(
"ERROR while processing 'oai:identifier:1': Could be anything",
state.errorState)
self.assertEqual("Name", state.name)
oaiDownloadProcessor2 = OaiDownloadProcessor(
path="/oai",
metadataPrefix="oai_dc",
workingDirectory=self.tempdir,
xWait=True,
err=StringIO())
state2 = oaiDownloadProcessor2.getState()
self.assertEqual(resumptionToken, state2.resumptionToken)
self.assertEqual(
"ERROR while processing 'oai:identifier:1': Could be anything",
state2.errorState)
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.assertEqual(
{
"errorState": None,
'from': '2002-06-01T19:20:30Z',
"resumptionToken": state.resumptionToken
}, JsonDict.load(join(self.tempdir, 'harvester.state')))