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# Copyright 2016 OpenMarket Ltd
# Copyright 2018 New Vector Ltd
#
# 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 typing import Any, Iterable, Optional
from unittest.mock import Mock

from twisted.test.proto_helpers import MemoryReactor

from synapse.server import HomeServer
from synapse.util import Clock

from tests.replication._base import BaseStreamTestCase


class BaseWorkerStoreTestCase(BaseStreamTestCase):
    def make_homeserver(self, reactor: MemoryReactor, clock: Clock) -> HomeServer:
        return self.setup_test_homeserver(federation_client=Mock())

    def prepare(self, reactor: MemoryReactor, clock: Clock, hs: HomeServer) -> None:
        super().prepare(reactor, clock, hs)

        self.reconnect()

        self.master_store = hs.get_datastores().main
        self.worker_store = self.worker_hs.get_datastores().main
        persistence = hs.get_storage_controllers().persistence
        assert persistence is not None
        self.persistance = persistence

    def replicate(self) -> None:
        """Tell the master side of replication that something has happened, and then
        wait for the replication to occur.
        """
        self.streamer.on_notifier_poke()
        self.pump(0.1)

    def check(
        self, method: str, args: Iterable[Any], expected_result: Optional[Any] = None
    ) -> None:
        master_result = self.get_success(getattr(self.master_store, method)(*args))
        worker_result = self.get_success(getattr(self.worker_store, method)(*args))
        if expected_result is not None:
            self.assertEqual(
                master_result,
                expected_result,
                "Expected master result to be %r but was %r"
                % (expected_result, master_result),
            )
            self.assertEqual(
                worker_result,
                expected_result,
                "Expected worker result to be %r but was %r"
                % (expected_result, worker_result),
            )
        self.assertEqual(
            master_result,
            worker_result,
            "Worker result %r does not match master result %r"
            % (worker_result, master_result),
        )