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# Copyright DataStax, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from unittest import mock
from cassandra.cqlengine import columns
from cassandra.cqlengine.connection import NOT_SET
from cassandra.cqlengine.management import drop_table, sync_table
from cassandra.cqlengine.models import Model
from cassandra.cqlengine.query import BatchQuery, DMLQuery
from tests.integration.cqlengine.base import BaseCassEngTestCase
from tests.integration.cqlengine import execute_count
from cassandra.cluster import Session
from cassandra.query import BatchType as cassandra_BatchType
from cassandra.cqlengine.query import BatchType as cqlengine_BatchType
class TestMultiKeyModel(Model):
partition = columns.Integer(primary_key=True)
cluster = columns.Integer(primary_key=True)
count = columns.Integer(required=False)
text = columns.Text(required=False)
class BatchQueryLogModel(Model):
# simple k/v table
k = columns.Integer(primary_key=True)
v = columns.Integer()
class CounterBatchQueryModel(Model):
k = columns.Integer(primary_key=True)
v = columns.Counter()
class BatchQueryTests(BaseCassEngTestCase):
@classmethod
def setUpClass(cls):
super(BatchQueryTests, cls).setUpClass()
drop_table(TestMultiKeyModel)
sync_table(TestMultiKeyModel)
@classmethod
def tearDownClass(cls):
super(BatchQueryTests, cls).tearDownClass()
drop_table(TestMultiKeyModel)
def setUp(self):
super(BatchQueryTests, self).setUp()
self.pkey = 1
for obj in TestMultiKeyModel.filter(partition=self.pkey):
obj.delete()
@execute_count(3)
def test_insert_success_case(self):
b = BatchQuery()
inst = TestMultiKeyModel.batch(b).create(partition=self.pkey, cluster=2, count=3, text='4')
with self.assertRaises(TestMultiKeyModel.DoesNotExist):
TestMultiKeyModel.get(partition=self.pkey, cluster=2)
b.execute()
TestMultiKeyModel.get(partition=self.pkey, cluster=2)
@execute_count(4)
def test_update_success_case(self):
inst = TestMultiKeyModel.create(partition=self.pkey, cluster=2, count=3, text='4')
b = BatchQuery()
inst.count = 4
inst.batch(b).save()
inst2 = TestMultiKeyModel.get(partition=self.pkey, cluster=2)
self.assertEqual(inst2.count, 3)
b.execute()
inst3 = TestMultiKeyModel.get(partition=self.pkey, cluster=2)
self.assertEqual(inst3.count, 4)
@execute_count(4)
def test_delete_success_case(self):
inst = TestMultiKeyModel.create(partition=self.pkey, cluster=2, count=3, text='4')
b = BatchQuery()
inst.batch(b).delete()
TestMultiKeyModel.get(partition=self.pkey, cluster=2)
b.execute()
with self.assertRaises(TestMultiKeyModel.DoesNotExist):
TestMultiKeyModel.get(partition=self.pkey, cluster=2)
@execute_count(11)
def test_context_manager(self):
with BatchQuery() as b:
for i in range(5):
TestMultiKeyModel.batch(b).create(partition=self.pkey, cluster=i, count=3, text='4')
for i in range(5):
with self.assertRaises(TestMultiKeyModel.DoesNotExist):
TestMultiKeyModel.get(partition=self.pkey, cluster=i)
for i in range(5):
TestMultiKeyModel.get(partition=self.pkey, cluster=i)
@execute_count(9)
def test_bulk_delete_success_case(self):
for i in range(1):
for j in range(5):
TestMultiKeyModel.create(partition=i, cluster=j, count=i*j, text='{0}:{1}'.format(i,j))
with BatchQuery() as b:
TestMultiKeyModel.objects.batch(b).filter(partition=0).delete()
self.assertEqual(TestMultiKeyModel.filter(partition=0).count(), 5)
self.assertEqual(TestMultiKeyModel.filter(partition=0).count(), 0)
#cleanup
for m in TestMultiKeyModel.all():
m.delete()
@execute_count(0)
def test_none_success_case(self):
""" Tests that passing None into the batch call clears any batch object """
b = BatchQuery()
q = TestMultiKeyModel.objects.batch(b)
self.assertEqual(q._batch, b)
q = q.batch(None)
self.assertIsNone(q._batch)
@execute_count(0)
def test_dml_none_success_case(self):
""" Tests that passing None into the batch call clears any batch object """
b = BatchQuery()
q = DMLQuery(TestMultiKeyModel, batch=b)
self.assertEqual(q._batch, b)
q.batch(None)
self.assertIsNone(q._batch)
@execute_count(3)
def test_batch_execute_on_exception_succeeds(self):
# makes sure if execute_on_exception == True we still apply the batch
drop_table(BatchQueryLogModel)
sync_table(BatchQueryLogModel)
obj = BatchQueryLogModel.objects(k=1)
self.assertEqual(0, len(obj))
try:
with BatchQuery(execute_on_exception=True) as b:
BatchQueryLogModel.batch(b).create(k=1, v=1)
raise Exception("Blah")
except:
pass
obj = BatchQueryLogModel.objects(k=1)
# should be 1 because the batch should execute
self.assertEqual(1, len(obj))
@execute_count(2)
def test_batch_execute_on_exception_skips_if_not_specified(self):
# makes sure if execute_on_exception == True we still apply the batch
drop_table(BatchQueryLogModel)
sync_table(BatchQueryLogModel)
obj = BatchQueryLogModel.objects(k=2)
self.assertEqual(0, len(obj))
try:
with BatchQuery() as b:
BatchQueryLogModel.batch(b).create(k=2, v=2)
raise Exception("Blah")
except:
pass
obj = BatchQueryLogModel.objects(k=2)
# should be 0 because the batch should not execute
self.assertEqual(0, len(obj))
@execute_count(1)
def test_batch_execute_timeout(self):
with mock.patch.object(Session, 'execute') as mock_execute:
with BatchQuery(timeout=1) as b:
BatchQueryLogModel.batch(b).create(k=2, v=2)
self.assertEqual(mock_execute.call_args[-1]['timeout'], 1)
@execute_count(1)
def test_batch_execute_no_timeout(self):
with mock.patch.object(Session, 'execute') as mock_execute:
with BatchQuery() as b:
BatchQueryLogModel.batch(b).create(k=2, v=2)
self.assertEqual(mock_execute.call_args[-1]['timeout'], NOT_SET)
class BatchTypeQueryTests(BaseCassEngTestCase):
def setUp(self):
sync_table(TestMultiKeyModel)
sync_table(CounterBatchQueryModel)
def tearDown(self):
drop_table(TestMultiKeyModel)
drop_table(CounterBatchQueryModel)
@execute_count(6)
def test_cassandra_batch_type(self):
"""
Tests the different types of `class: cassandra.query.BatchType`
@since 3.13
@jira_ticket PYTHON-88
@expected_result batch query succeeds and the results
are correctly readen
@test_category query
"""
with BatchQuery(batch_type=cassandra_BatchType.UNLOGGED) as b:
TestMultiKeyModel.batch(b).create(partition=1, cluster=1)
TestMultiKeyModel.batch(b).create(partition=1, cluster=2)
obj = TestMultiKeyModel.objects(partition=1)
self.assertEqual(2, len(obj))
with BatchQuery(batch_type=cassandra_BatchType.COUNTER) as b:
CounterBatchQueryModel.batch(b).create(k=1, v=1)
CounterBatchQueryModel.batch(b).create(k=1, v=2)
CounterBatchQueryModel.batch(b).create(k=1, v=10)
obj = CounterBatchQueryModel.objects(k=1)
self.assertEqual(1, len(obj))
self.assertEqual(obj[0].v, 13)
with BatchQuery(batch_type=cassandra_BatchType.LOGGED) as b:
TestMultiKeyModel.batch(b).create(partition=1, cluster=1)
TestMultiKeyModel.batch(b).create(partition=1, cluster=2)
obj = TestMultiKeyModel.objects(partition=1)
self.assertEqual(2, len(obj))
@execute_count(4)
def test_cqlengine_batch_type(self):
"""
Tests the different types of `class: cassandra.cqlengine.query.BatchType`
@since 3.13
@jira_ticket PYTHON-88
@expected_result batch query succeeds and the results
are correctly readen
@test_category query
"""
with BatchQuery(batch_type=cqlengine_BatchType.Unlogged) as b:
TestMultiKeyModel.batch(b).create(partition=1, cluster=1)
TestMultiKeyModel.batch(b).create(partition=1, cluster=2)
obj = TestMultiKeyModel.objects(partition=1)
self.assertEqual(2, len(obj))
with BatchQuery(batch_type=cqlengine_BatchType.Counter) as b:
CounterBatchQueryModel.batch(b).create(k=1, v=1)
CounterBatchQueryModel.batch(b).create(k=1, v=2)
CounterBatchQueryModel.batch(b).create(k=1, v=10)
obj = CounterBatchQueryModel.objects(k=1)
self.assertEqual(1, len(obj))
self.assertEqual(obj[0].v, 13)
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