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# -*- coding: utf-8 -*-
# Copyright 2020 The Matrix.org Foundation C.I.C.
#
# 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 synapse.storage.database import make_tuple_comparison_clause
from synapse.storage.engines import BaseDatabaseEngine
from tests import unittest
def _stub_db_engine(**kwargs) -> BaseDatabaseEngine:
# returns a DatabaseEngine, circumventing the abc mechanism
# any kwargs are set as attributes on the class before instantiating it
t = type(
"TestBaseDatabaseEngine",
(BaseDatabaseEngine,),
dict(BaseDatabaseEngine.__dict__),
)
# defeat the abc mechanism
t.__abstractmethods__ = set()
for k, v in kwargs.items():
setattr(t, k, v)
return t(None, None)
class TupleComparisonClauseTestCase(unittest.TestCase):
def test_native_tuple_comparison(self):
clause, args = make_tuple_comparison_clause([("a", 1), ("b", 2)])
self.assertEqual(clause, "(a,b) > (?,?)")
self.assertEqual(args, [1, 2])
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