def index_instance(instance, fields_to_index, defer_index=True):
if defer_index:
deferred.defer(_unindex_then_reindex,
instance,
fields_to_index,
_queue=QUEUE_FOR_INDEXING,
_transactional=transaction.in_atomic_block())
else:
_unindex_then_reindex(instance, fields_to_index)
def test_non_atomic_context_manager(self):
from .test_connector import TestUser
existing = TestUser.objects.create(username="******",
field2="exists")
with transaction.atomic():
self.assertTrue(transaction.in_atomic_block())
user = TestUser.objects.create(username="******", field2="bar")
with transaction.non_atomic():
# We're outside the transaction, so the user should not exist
self.assertRaises(TestUser.DoesNotExist,
TestUser.objects.get,
pk=user.pk)
self.assertFalse(transaction.in_atomic_block())
with sleuth.watch(
"google.appengine.api.datastore.Get") as datastore_get:
TestUser.objects.get(
pk=existing.pk
) #Should hit the cache, not the datastore
self.assertFalse(datastore_get.called)
with transaction.atomic(independent=True):
user2 = TestUser.objects.create(username="******", field2="bar2")
self.assertTrue(transaction.in_atomic_block())
with transaction.non_atomic():
self.assertFalse(transaction.in_atomic_block())
self.assertRaises(TestUser.DoesNotExist,
TestUser.objects.get,
pk=user2.pk)
with transaction.non_atomic():
self.assertFalse(transaction.in_atomic_block())
self.assertRaises(TestUser.DoesNotExist,
TestUser.objects.get,
pk=user2.pk)
with sleuth.watch("google.appengine.api.datastore.Get"
) as datastore_get:
TestUser.objects.get(
pk=existing.pk
) #Should hit the cache, not the datastore
self.assertFalse(transaction.in_atomic_block())
self.assertRaises(TestUser.DoesNotExist,
TestUser.objects.get,
pk=user2.pk)
self.assertTrue(TestUser.objects.filter(pk=user2.pk).exists())
self.assertTrue(transaction.in_atomic_block())
def test_non_atomic_context_manager(self):
from .test_connector import TestUser
existing = TestUser.objects.create(username="******", field2="exists")
with transaction.atomic():
self.assertTrue(transaction.in_atomic_block())
user = TestUser.objects.create(username="******", field2="bar")
with transaction.non_atomic():
# We're outside the transaction, so the user should not exist
self.assertRaises(TestUser.DoesNotExist, TestUser.objects.get, pk=user.pk)
self.assertFalse(transaction.in_atomic_block())
with sleuth.watch("google.appengine.api.datastore.Get") as datastore_get:
TestUser.objects.get(pk=existing.pk) # Should hit the cache, not the datastore
self.assertFalse(datastore_get.called)
with transaction.atomic(independent=True):
user2 = TestUser.objects.create(username="******", field2="bar2")
self.assertTrue(transaction.in_atomic_block())
with transaction.non_atomic():
self.assertFalse(transaction.in_atomic_block())
self.assertRaises(TestUser.DoesNotExist, TestUser.objects.get, pk=user2.pk)
with transaction.non_atomic():
self.assertFalse(transaction.in_atomic_block())
self.assertRaises(TestUser.DoesNotExist, TestUser.objects.get, pk=user2.pk)
with sleuth.watch("google.appengine.api.datastore.Get") as datastore_get:
# Should hit the cache, not the Datastore
TestUser.objects.get(pk=existing.pk)
self.assertFalse(transaction.in_atomic_block())
self.assertRaises(TestUser.DoesNotExist, TestUser.objects.get, pk=user2.pk)
self.assertTrue(TestUser.objects.filter(pk=user2.pk).exists())
self.assertTrue(transaction.in_atomic_block())
def txn():
TestUser.objects.create(username="******", field2="bar")
self.assertTrue(transaction.in_atomic_block())
raise ValueError()
def index_instance(instance, fields_to_index, defer_index=True):
if defer_index:
deferred.defer(_unindex_then_reindex, instance, fields_to_index,
_queue=QUEUE_FOR_INDEXING, _transactional=transaction.in_atomic_block())
else:
_unindex_then_reindex(instance, fields_to_index)
def txn():
TestUser.objects.create(username="******", field2="bar")
self.assertTrue(transaction.in_atomic_block())
raise ValueError()