72 lines
2.9 KiB
Python
72 lines
2.9 KiB
Python
# Copyright 2013-2016 DataStax, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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try:
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import unittest2 as unittest
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except ImportError:
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import unittest # noqa
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from mock import patch, Mock
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from cassandra import ConsistencyLevel
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from cassandra.cluster import _Scheduler, Session
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from cassandra.query import SimpleStatement
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class SchedulerTest(unittest.TestCase):
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# TODO: this suite could be expanded; for now just adding a test covering a ticket
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@patch('time.time', return_value=3) # always queue at same time
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@patch('cassandra.cluster._Scheduler.run') # don't actually run the thread
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def test_event_delay_timing(self, *args):
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"""
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Schedule something with a time collision to make sure the heap comparison works
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PYTHON-473
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"""
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sched = _Scheduler(None)
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sched.schedule(0, lambda: None)
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sched.schedule(0, lambda: None) # pre-473: "TypeError: unorderable types: function() < function()"t
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class SessionTest(unittest.TestCase):
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# TODO: this suite could be expanded; for now just adding a test covering a PR
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@patch('cassandra.cluster.ResponseFuture._make_query_plan')
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def test_default_serial_consistency_level(self, *args):
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"""
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Make sure default_serial_consistency_level passes through to a query message.
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Also make sure Statement.serial_consistency_level overrides the default.
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PR #510
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"""
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s = Session(Mock(protocol_version=4), [])
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# default is None
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self.assertIsNone(s.default_serial_consistency_level)
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sentinel = 1001
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for cl in (None, ConsistencyLevel.LOCAL_SERIAL, ConsistencyLevel.SERIAL, sentinel):
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s.default_serial_consistency_level = cl
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# default is passed through
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f = s._create_response_future(query='', parameters=[], trace=False, custom_payload={}, timeout=100)
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self.assertEqual(f.message.serial_consistency_level, cl)
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# any non-None statement setting takes precedence
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for cl_override in (ConsistencyLevel.LOCAL_SERIAL, ConsistencyLevel.SERIAL):
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f = s._create_response_future(SimpleStatement(query_string='', serial_consistency_level=cl_override), parameters=[], trace=False, custom_payload={}, timeout=100)
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self.assertEqual(s.default_serial_consistency_level, cl)
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self.assertEqual(f.message.serial_consistency_level, cl_override)
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