def setUp(self):
NeoUnitTestBase.setUp(self)
self.app = Mock()
# no history
self.app.dm = Mock({'getObjectHistory': []})
self.app.pt = Mock({'isAssigned': True, 'getPartitions': 2})
self.app.em = Mock({'setTimeout': None})
self.manager = TransactionManager(self.app)
def setUp(self):
NeoUnitTestBase.setUp(self)
self.app = Mock()
# no history
self.app.dm = Mock({'getObjectHistory': []})
self.app.pt = Mock({'isAssigned': True})
self.app.em = Mock({'setTimeout': None})
self.manager = TransactionManager(self.app)
self.ltid = None
class TransactionManagerTests(NeoUnitTestBase):
def setUp(self):
NeoUnitTestBase.setUp(self)
self.app = Mock()
# no history
self.app.dm = Mock({'getObjectHistory': []})
self.app.pt = Mock({'isAssigned': True, 'getPartitions': 2})
self.app.em = Mock({'setTimeout': None})
self.manager = TransactionManager(self.app)
def register(self, uuid, ttid):
self.manager.register(Mock({'getUUID': uuid}), ttid)
def test_updateObjectDataForPack(self):
ram_serial = self.getNextTID()
oid = p64(1)
orig_serial = self.getNextTID()
uuid = self.getClientUUID()
locking_serial = self.getNextTID()
other_serial = self.getNextTID()
new_serial = self.getNextTID()
checksum = "2" * 20
self.register(uuid, locking_serial)
# Object not known, nothing happens
self.assertEqual(
self.manager.getObjectFromTransaction(locking_serial, oid), None)
self.manager.updateObjectDataForPack(oid, orig_serial, None, checksum)
self.assertEqual(
self.manager.getObjectFromTransaction(locking_serial, oid), None)
self.manager.abort(locking_serial, even_if_locked=True)
# Object known, but doesn't point at orig_serial, it is not updated
self.register(uuid, locking_serial)
self.manager.storeObject(locking_serial, ram_serial, oid, 0, "3" * 20,
'bar', None)
holdData = self.app.dm.mockGetNamedCalls('holdData')
self.assertEqual(holdData.pop(0).params, ("3" * 20, oid, 'bar', 0))
orig_object = self.manager.getObjectFromTransaction(
locking_serial, oid)
self.manager.updateObjectDataForPack(oid, orig_serial, None, checksum)
self.assertEqual(
self.manager.getObjectFromTransaction(locking_serial, oid),
orig_object)
self.manager.abort(locking_serial, even_if_locked=True)
self.register(uuid, locking_serial)
self.manager.storeObject(locking_serial, ram_serial, oid, None, None,
None, other_serial)
orig_object = self.manager.getObjectFromTransaction(
locking_serial, oid)
self.manager.updateObjectDataForPack(oid, orig_serial, None, checksum)
self.assertEqual(
self.manager.getObjectFromTransaction(locking_serial, oid),
orig_object)
self.manager.abort(locking_serial, even_if_locked=True)
# Object known and points at undone data it gets updated
self.register(uuid, locking_serial)
self.manager.storeObject(locking_serial, ram_serial, oid, None, None,
None, orig_serial)
self.manager.updateObjectDataForPack(oid, orig_serial, new_serial,
checksum)
self.assertEqual(
self.manager.getObjectFromTransaction(locking_serial, oid),
(oid, None, new_serial))
self.manager.abort(locking_serial, even_if_locked=True)
self.register(uuid, locking_serial)
self.manager.storeObject(locking_serial, ram_serial, oid, None, None,
None, orig_serial)
self.manager.updateObjectDataForPack(oid, orig_serial, None, checksum)
self.assertEqual(holdData.pop(0).params, (checksum, ))
self.assertEqual(
self.manager.getObjectFromTransaction(locking_serial, oid),
(oid, checksum, None))
self.manager.abort(locking_serial, even_if_locked=True)
self.assertFalse(holdData)
class TransactionManagerTests(NeoUnitTestBase):
def setUp(self):
NeoUnitTestBase.setUp(self)
self.app = Mock()
# no history
self.app.dm = Mock({'getObjectHistory': []})
self.app.pt = Mock({'isAssigned': True})
self.app.em = Mock({'setTimeout': None})
self.manager = TransactionManager(self.app)
self.ltid = None
def _getTransaction(self):
tid = self.getNextTID(self.ltid)
oid_list = [self.getOID(1), self.getOID(2)]
return (tid, ('USER', 'DESC', 'EXT', oid_list))
def _storeTransactionObjects(self, tid, txn):
for i, oid in enumerate(txn[3]):
self.manager.storeObject(tid, None,
oid, 1, '%020d' % i, '0' + str(i), None)
def _getObject(self, value):
oid = self.getOID(value)
serial = self.getNextTID()
return (serial, (oid, 1, '%020d' % value, 'O' + str(value), None))
def _checkTransactionStored(self, *args):
calls = self.app.dm.mockGetNamedCalls('storeTransaction')
self.assertEqual(len(calls), 1)
calls[0].checkArgs(*args)
def _checkTransactionFinished(self, *args):
calls = self.app.dm.mockGetNamedCalls('unlockTransaction')
self.assertEqual(len(calls), 1)
calls[0].checkArgs(*args)
def _checkQueuedEventExecuted(self, number=1):
calls = self.app.mockGetNamedCalls('executeQueuedEvents')
self.assertEqual(len(calls), number)
def assertRegistered(self, ttid):
self.assertIn(ttid, self.manager._transaction_dict)
def assertNotRegistered(self, ttid):
self.assertNotIn(ttid, self.manager._transaction_dict)
def testSimpleCase(self):
""" One node, one transaction, not abort """
data_id_list = random.random(), random.random()
self.app.dm.mockAddReturnValues(holdData=ReturnValues(*data_id_list))
uuid = self.getClientUUID()
ttid = self.getNextTID()
tid, txn = self._getTransaction()
serial1, object1 = self._getObject(1)
serial2, object2 = self._getObject(2)
self.manager.register(uuid, ttid)
self.manager.storeObject(ttid, serial1, *object1)
self.manager.storeObject(ttid, serial2, *object2)
self.assertRegistered(ttid)
self.manager.vote(ttid, txn)
user, desc, ext, oid_list = txn
call, = self.app.dm.mockGetNamedCalls('storeTransaction')
call.checkArgs(ttid, [
(object1[0], data_id_list[0], object1[4]),
(object2[0], data_id_list[1], object2[4]),
], (oid_list, user, desc, ext, False, ttid))
self.manager.lock(ttid, tid)
call, = self.app.dm.mockGetNamedCalls('lockTransaction')
call.checkArgs(tid, ttid)
self.manager.unlock(ttid)
self.assertNotRegistered(ttid)
call, = self.app.dm.mockGetNamedCalls('unlockTransaction')
call.checkArgs(tid, ttid)
def testDelayed(self):
""" Two transactions, the first cause the second to be delayed """
uuid = self.getClientUUID()
ttid1 = self.getNextTID()
ttid2 = self.getNextTID()
tid1, txn1 = self._getTransaction()
tid2, txn2 = self._getTransaction()
serial, obj = self._getObject(1)
# first transaction lock the object
self.manager.register(uuid, ttid1)
self.assertRegistered(ttid1)
self._storeTransactionObjects(ttid1, txn1)
self.manager.vote(ttid1, txn1)
self.manager.lock(ttid1, tid1)
# the second is delayed
self.manager.register(uuid, ttid2)
self.assertRegistered(ttid2)
self.assertRaises(DelayedError, self.manager.storeObject,
ttid2, serial, *obj)
def testUnresolvableConflict(self):
""" A newer transaction has already modified an object """
uuid = self.getClientUUID()
ttid1 = self.getNextTID()
ttid2 = self.getNextTID()
tid1, txn1 = self._getTransaction()
tid2, txn2 = self._getTransaction()
serial, obj = self._getObject(1)
# the (later) transaction lock (change) the object
self.manager.register(uuid, ttid2)
self.assertRegistered(ttid2)
self._storeTransactionObjects(ttid2, txn2)
self.manager.vote(ttid2, txn2)
self.manager.lock(ttid2, tid2)
# the previous it's not using the latest version
self.manager.register(uuid, ttid1)
self.assertRegistered(ttid1)
self.assertRaises(ConflictError, self.manager.storeObject,
ttid1, serial, *obj)
def testResolvableConflict(self):
""" Try to store an object with the lastest revision """
uuid = self.getClientUUID()
tid, txn = self._getTransaction()
serial, obj = self._getObject(1)
next_serial = self.getNextTID(serial)
# try to store without the last revision
self.app.dm = Mock({'getLastObjectTID': next_serial})
self.manager.register(uuid, tid)
self.assertRaises(ConflictError, self.manager.storeObject,
tid, serial, *obj)
def testLockDelayed(self):
""" Check lock delay """
uuid1 = self.getClientUUID()
uuid2 = self.getClientUUID()
self.assertNotEqual(uuid1, uuid2)
ttid1 = self.getNextTID()
ttid2 = self.getNextTID()
tid1, txn1 = self._getTransaction()
tid2, txn2 = self._getTransaction()
serial1, obj1 = self._getObject(1)
serial2, obj2 = self._getObject(2)
# first transaction lock objects
self.manager.register(uuid1, ttid1)
self.assertRegistered(ttid1)
self.manager.storeObject(ttid1, serial1, *obj1)
self.manager.storeObject(ttid1, serial1, *obj2)
self.manager.vote(ttid1, txn1)
self.manager.lock(ttid1, tid1)
# second transaction is delayed
self.manager.register(uuid2, ttid2)
self.assertRegistered(ttid2)
self.assertRaises(DelayedError, self.manager.storeObject,
ttid2, serial1, *obj1)
self.assertRaises(DelayedError, self.manager.storeObject,
ttid2, serial2, *obj2)
def testLockConflict(self):
""" Check lock conflict """
uuid1 = self.getClientUUID()
uuid2 = self.getClientUUID()
self.assertNotEqual(uuid1, uuid2)
ttid1 = self.getNextTID()
ttid2 = self.getNextTID()
tid1, txn1 = self._getTransaction()
tid2, txn2 = self._getTransaction()
serial1, obj1 = self._getObject(1)
serial2, obj2 = self._getObject(2)
# the second transaction lock objects
self.manager.register(uuid2, ttid2)
self.manager.storeObject(ttid2, serial1, *obj1)
self.manager.storeObject(ttid2, serial2, *obj2)
self.assertRegistered(ttid2)
self.manager.vote(ttid2, txn2)
self.manager.lock(ttid2, tid2)
# the first get a conflict
self.manager.register(uuid1, ttid1)
self.assertRegistered(ttid1)
self.assertRaises(ConflictError, self.manager.storeObject,
ttid1, serial1, *obj1)
self.assertRaises(ConflictError, self.manager.storeObject,
ttid1, serial2, *obj2)
def testAbortUnlocked(self):
""" Abort a non-locked transaction """
uuid = self.getClientUUID()
tid, txn = self._getTransaction()
serial, obj = self._getObject(1)
self.manager.register(uuid, tid)
self.manager.storeObject(tid, serial, *obj)
self.assertRegistered(tid)
self.manager.vote(tid, txn)
# transaction is not locked
self.manager.abort(tid)
self.assertNotRegistered(tid)
self.assertFalse(self.manager.loadLocked(obj[0]))
self._checkQueuedEventExecuted()
def testAbortLockedDoNothing(self):
""" Try to abort a locked transaction """
uuid = self.getClientUUID()
ttid = self.getNextTID()
tid, txn = self._getTransaction()
self.manager.register(uuid, ttid)
self._storeTransactionObjects(ttid, txn)
self.manager.vote(ttid, txn)
# lock transaction
self.manager.lock(ttid, tid)
self.assertRegistered(ttid)
self.manager.abort(ttid)
self.assertRegistered(ttid)
for oid in txn[-1]:
self.assertTrue(self.manager.loadLocked(oid))
self._checkQueuedEventExecuted(number=0)
def testAbortForNode(self):
""" Abort transaction for a node """
uuid1 = self.getClientUUID()
uuid2 = self.getClientUUID()
self.assertNotEqual(uuid1, uuid2)
ttid1 = self.getNextTID()
ttid2 = self.getNextTID()
ttid3 = self.getNextTID()
tid1, txn1 = self._getTransaction()
tid2, txn2 = self._getTransaction()
tid3, txn3 = self._getTransaction()
self.manager.register(uuid1, ttid1)
self.manager.register(uuid2, ttid2)
self.manager.register(uuid2, ttid3)
self.manager.vote(ttid1, txn1)
# node 2 owns tid2 & tid3 and lock tid2 only
self._storeTransactionObjects(ttid2, txn2)
self.manager.vote(ttid2, txn2)
self.manager.vote(ttid3, txn3)
self.manager.lock(ttid2, tid2)
self.assertRegistered(ttid1)
self.assertRegistered(ttid2)
self.assertRegistered(ttid3)
self.manager.abortFor(uuid2)
# only tid3 is aborted
self.assertRegistered(ttid1)
self.assertRegistered(ttid2)
self.assertNotRegistered(ttid3)
self._checkQueuedEventExecuted(number=1)
def testReset(self):
""" Reset the manager """
uuid = self.getClientUUID()
tid, txn = self._getTransaction()
ttid = self.getNextTID()
self.manager.register(uuid, ttid)
self._storeTransactionObjects(ttid, txn)
self.manager.vote(ttid, txn)
self.manager.lock(ttid, tid)
self.assertRegistered(ttid)
self.manager.reset()
self.assertNotRegistered(ttid)
for oid in txn[0]:
self.assertFalse(self.manager.loadLocked(oid))
def test_getObjectFromTransaction(self):
data_id = random.random()
self.app.dm.mockAddReturnValues(holdData=ReturnValues(data_id))
uuid = self.getClientUUID()
tid1, txn1 = self._getTransaction()
tid2, txn2 = self._getTransaction()
serial1, obj1 = self._getObject(1)
serial2, obj2 = self._getObject(2)
self.manager.register(uuid, tid1)
self.manager.storeObject(tid1, serial1, *obj1)
self.assertEqual(self.manager.getObjectFromTransaction(tid2, obj1[0]),
None)
self.assertEqual(self.manager.getObjectFromTransaction(tid1, obj2[0]),
None)
self.assertEqual(self.manager.getObjectFromTransaction(tid1, obj1[0]),
(obj1[0], data_id, obj1[4]))
def test_getLockingTID(self):
uuid = self.getClientUUID()
serial1, obj1 = self._getObject(1)
oid1 = obj1[0]
tid1, txn1 = self._getTransaction()
self.assertEqual(self.manager.getLockingTID(oid1), None)
self.manager.register(uuid, tid1)
self.manager.storeObject(tid1, serial1, *obj1)
self.assertEqual(self.manager.getLockingTID(oid1), tid1)
def test_updateObjectDataForPack(self):
ram_serial = self.getNextTID()
oid = self.getOID(1)
orig_serial = self.getNextTID()
uuid = self.getClientUUID()
locking_serial = self.getNextTID()
other_serial = self.getNextTID()
new_serial = self.getNextTID()
checksum = "2" * 20
self.manager.register(uuid, locking_serial)
# Object not known, nothing happens
self.assertEqual(self.manager.getObjectFromTransaction(locking_serial,
oid), None)
self.manager.updateObjectDataForPack(oid, orig_serial, None, checksum)
self.assertEqual(self.manager.getObjectFromTransaction(locking_serial,
oid), None)
self.manager.abort(locking_serial, even_if_locked=True)
# Object known, but doesn't point at orig_serial, it is not updated
self.manager.register(uuid, locking_serial)
self.manager.storeObject(locking_serial, ram_serial, oid, 0, "3" * 20,
'bar', None)
holdData = self.app.dm.mockGetNamedCalls('holdData')
self.assertEqual(holdData.pop(0).params, ("3" * 20, 'bar', 0))
orig_object = self.manager.getObjectFromTransaction(locking_serial,
oid)
self.manager.updateObjectDataForPack(oid, orig_serial, None, checksum)
self.assertEqual(self.manager.getObjectFromTransaction(locking_serial,
oid), orig_object)
self.manager.abort(locking_serial, even_if_locked=True)
self.manager.register(uuid, locking_serial)
self.manager.storeObject(locking_serial, ram_serial, oid, None, None,
None, other_serial)
orig_object = self.manager.getObjectFromTransaction(locking_serial,
oid)
self.manager.updateObjectDataForPack(oid, orig_serial, None, checksum)
self.assertEqual(self.manager.getObjectFromTransaction(locking_serial,
oid), orig_object)
self.manager.abort(locking_serial, even_if_locked=True)
# Object known and points at undone data it gets updated
self.manager.register(uuid, locking_serial)
self.manager.storeObject(locking_serial, ram_serial, oid, None, None,
None, orig_serial)
self.manager.updateObjectDataForPack(oid, orig_serial, new_serial,
checksum)
self.assertEqual(self.manager.getObjectFromTransaction(locking_serial,
oid), (oid, None, new_serial))
self.manager.abort(locking_serial, even_if_locked=True)
self.manager.register(uuid, locking_serial)
self.manager.storeObject(locking_serial, ram_serial, oid, None, None,
None, orig_serial)
self.manager.updateObjectDataForPack(oid, orig_serial, None, checksum)
self.assertEqual(holdData.pop(0).params, (checksum,))
self.assertEqual(self.manager.getObjectFromTransaction(locking_serial,
oid), (oid, checksum, None))
self.manager.abort(locking_serial, even_if_locked=True)
self.assertFalse(holdData)
