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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 datetime import timedelta, datetime
from unittest import mock
from uuid import uuid4
from cassandra.cqlengine import columns
from cassandra.cqlengine.management import sync_table
from cassandra.cqlengine.models import Model
from cassandra.cqlengine.query import BatchQuery
from tests.integration.cqlengine.base import BaseCassEngTestCase
class TestTimestampModel(Model):
id = columns.UUID(primary_key=True, default=lambda:uuid4())
count = columns.Integer()
class BaseTimestampTest(BaseCassEngTestCase):
@classmethod
def setUpClass(cls):
super(BaseTimestampTest, cls).setUpClass()
sync_table(TestTimestampModel)
class BatchTest(BaseTimestampTest):
def test_batch_is_included(self):
with mock.patch.object(self.session, "execute") as m:
with BatchQuery(timestamp=timedelta(seconds=30)) as b:
TestTimestampModel.batch(b).create(count=1)
"USING TIMESTAMP".should.be.within(m.call_args[0][0].query_string)
class CreateWithTimestampTest(BaseTimestampTest):
def test_batch(self):
with mock.patch.object(self.session, "execute") as m:
with BatchQuery() as b:
TestTimestampModel.timestamp(timedelta(seconds=10)).batch(b).create(count=1)
query = m.call_args[0][0].query_string
query.should.match(r"INSERT.*USING TIMESTAMP")
query.should_not.match(r"TIMESTAMP.*INSERT")
def test_timestamp_not_included_on_normal_create(self):
with mock.patch.object(self.session, "execute") as m:
TestTimestampModel.create(count=2)
"USING TIMESTAMP".shouldnt.be.within(m.call_args[0][0].query_string)
def test_timestamp_is_set_on_model_queryset(self):
delta = timedelta(seconds=30)
tmp = TestTimestampModel.timestamp(delta)
tmp._timestamp.should.equal(delta)
def test_non_batch_syntax_integration(self):
tmp = TestTimestampModel.timestamp(timedelta(seconds=30)).create(count=1)
tmp.should.be.ok
def test_non_batch_syntax_with_tll_integration(self):
tmp = TestTimestampModel.timestamp(timedelta(seconds=30)).ttl(30).create(count=1)
tmp.should.be.ok
def test_non_batch_syntax_unit(self):
with mock.patch.object(self.session, "execute") as m:
TestTimestampModel.timestamp(timedelta(seconds=30)).create(count=1)
query = m.call_args[0][0].query_string
"USING TIMESTAMP".should.be.within(query)
def test_non_batch_syntax_with_ttl_unit(self):
with mock.patch.object(self.session, "execute") as m:
TestTimestampModel.timestamp(timedelta(seconds=30)).ttl(30).create(
count=1)
query = m.call_args[0][0].query_string
query.should.match(r"USING TTL \d* AND TIMESTAMP")
class UpdateWithTimestampTest(BaseTimestampTest):
def setUp(self):
self.instance = TestTimestampModel.create(count=1)
super(UpdateWithTimestampTest, self).setUp()
def test_instance_update_includes_timestamp_in_query(self):
# not a batch
with mock.patch.object(self.session, "execute") as m:
self.instance.timestamp(timedelta(seconds=30)).update(count=2)
"USING TIMESTAMP".should.be.within(m.call_args[0][0].query_string)
def test_instance_update_in_batch(self):
with mock.patch.object(self.session, "execute") as m:
with BatchQuery() as b:
self.instance.batch(b).timestamp(timedelta(seconds=30)).update(count=2)
query = m.call_args[0][0].query_string
"USING TIMESTAMP".should.be.within(query)
class DeleteWithTimestampTest(BaseTimestampTest):
def test_non_batch(self):
"""
we don't expect the model to come back at the end because the deletion timestamp should be in the future
"""
uid = uuid4()
tmp = TestTimestampModel.create(id=uid, count=1)
TestTimestampModel.get(id=uid).should.be.ok
tmp.timestamp(timedelta(seconds=5)).delete()
with self.assertRaises(TestTimestampModel.DoesNotExist):
TestTimestampModel.get(id=uid)
tmp = TestTimestampModel.create(id=uid, count=1)
with self.assertRaises(TestTimestampModel.DoesNotExist):
TestTimestampModel.get(id=uid)
# calling .timestamp sets the TS on the model
tmp.timestamp(timedelta(seconds=5))
tmp._timestamp.should.be.ok
# calling save clears the set timestamp
tmp.save()
tmp._timestamp.shouldnt.be.ok
tmp.timestamp(timedelta(seconds=5))
tmp.update()
tmp._timestamp.shouldnt.be.ok
def test_blind_delete(self):
"""
we don't expect the model to come back at the end because the deletion timestamp should be in the future
"""
uid = uuid4()
tmp = TestTimestampModel.create(id=uid, count=1)
TestTimestampModel.get(id=uid).should.be.ok
TestTimestampModel.objects(id=uid).timestamp(timedelta(seconds=5)).delete()
with self.assertRaises(TestTimestampModel.DoesNotExist):
TestTimestampModel.get(id=uid)
tmp = TestTimestampModel.create(id=uid, count=1)
with self.assertRaises(TestTimestampModel.DoesNotExist):
TestTimestampModel.get(id=uid)
def test_blind_delete_with_datetime(self):
"""
we don't expect the model to come back at the end because the deletion timestamp should be in the future
"""
uid = uuid4()
tmp = TestTimestampModel.create(id=uid, count=1)
TestTimestampModel.get(id=uid).should.be.ok
plus_five_seconds = datetime.now() + timedelta(seconds=5)
TestTimestampModel.objects(id=uid).timestamp(plus_five_seconds).delete()
with self.assertRaises(TestTimestampModel.DoesNotExist):
TestTimestampModel.get(id=uid)
tmp = TestTimestampModel.create(id=uid, count=1)
with self.assertRaises(TestTimestampModel.DoesNotExist):
TestTimestampModel.get(id=uid)
def test_delete_in_the_past(self):
uid = uuid4()
tmp = TestTimestampModel.create(id=uid, count=1)
TestTimestampModel.get(id=uid).should.be.ok
# delete the in past, should not affect the object created above
TestTimestampModel.objects(id=uid).timestamp(timedelta(seconds=-60)).delete()
TestTimestampModel.get(id=uid)
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