mirror of
https://mau.dev/maunium/synapse.git
synced 2024-12-29 23:44:05 +01:00
52 lines
1.9 KiB
Python
52 lines
1.9 KiB
Python
# -*- 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):
|
|
db_engine = _stub_db_engine(supports_tuple_comparison=True)
|
|
clause, args = make_tuple_comparison_clause(db_engine, [("a", 1), ("b", 2)])
|
|
self.assertEqual(clause, "(a,b) > (?,?)")
|
|
self.assertEqual(args, [1, 2])
|
|
|
|
def test_emulated_tuple_comparison(self):
|
|
db_engine = _stub_db_engine(supports_tuple_comparison=False)
|
|
clause, args = make_tuple_comparison_clause(
|
|
db_engine, [("a", 1), ("b", 2), ("c", 3)]
|
|
)
|
|
self.assertEqual(
|
|
clause, "(a >= ? AND (a > ? OR (b >= ? AND (b > ? OR c > ?))))"
|
|
)
|
|
self.assertEqual(args, [1, 1, 2, 2, 3])
|