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https://github.com/element-hq/synapse
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During the migration the automated script to update the copyright headers accidentally got rid of some of the existing copyright lines. Reinstate them.
130 lines
4.6 KiB
Python
130 lines
4.6 KiB
Python
#
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# This file is licensed under the Affero General Public License (AGPL) version 3.
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#
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# Copyright 2021 The Matrix.org Foundation C.I.C.
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# Copyright (C) 2023 New Vector, Ltd
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as
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# published by the Free Software Foundation, either version 3 of the
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# License, or (at your option) any later version.
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#
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# See the GNU Affero General Public License for more details:
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# <https://www.gnu.org/licenses/agpl-3.0.html>.
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#
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# Originally licensed under the Apache License, Version 2.0:
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# <http://www.apache.org/licenses/LICENSE-2.0>.
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#
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# [This file includes modifications made by New Vector Limited]
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#
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#
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from typing import List
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from unittest import mock
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from twisted.test.proto_helpers import MemoryReactor
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from synapse.app.generic_worker import GenericWorkerServer
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from synapse.server import HomeServer
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from synapse.storage.database import LoggingDatabaseConnection
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from synapse.storage.prepare_database import PrepareDatabaseException, prepare_database
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from synapse.storage.schema import SCHEMA_VERSION
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from synapse.types import JsonDict
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from synapse.util import Clock
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from tests.unittest import HomeserverTestCase
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def fake_listdir(filepath: str) -> List[str]:
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"""
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A fake implementation of os.listdir which we can use to mock out the filesystem.
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Args:
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filepath: The directory to list files for.
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Returns:
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A list of files and folders in the directory.
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"""
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if filepath.endswith("full_schemas"):
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return [str(SCHEMA_VERSION)]
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return ["99_add_unicorn_to_database.sql"]
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class WorkerSchemaTests(HomeserverTestCase):
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def make_homeserver(self, reactor: MemoryReactor, clock: Clock) -> HomeServer:
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hs = self.setup_test_homeserver(homeserver_to_use=GenericWorkerServer)
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return hs
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def default_config(self) -> JsonDict:
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conf = super().default_config()
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# Mark this as a worker app.
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conf["worker_app"] = "yes"
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conf["instance_map"] = {"main": {"host": "127.0.0.1", "port": 0}}
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return conf
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def test_rolling_back(self) -> None:
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"""Test that workers can start if the DB is a newer schema version"""
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db_pool = self.hs.get_datastores().main.db_pool
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db_conn = LoggingDatabaseConnection(
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db_pool._db_pool.connect(),
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db_pool.engine,
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"tests",
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)
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cur = db_conn.cursor()
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cur.execute("UPDATE schema_version SET version = ?", (SCHEMA_VERSION + 1,))
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db_conn.commit()
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prepare_database(db_conn, db_pool.engine, self.hs.config)
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def test_not_upgraded_old_schema_version(self) -> None:
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"""Test that workers don't start if the DB has an older schema version"""
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db_pool = self.hs.get_datastores().main.db_pool
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db_conn = LoggingDatabaseConnection(
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db_pool._db_pool.connect(),
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db_pool.engine,
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"tests",
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)
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cur = db_conn.cursor()
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cur.execute("UPDATE schema_version SET version = ?", (SCHEMA_VERSION - 1,))
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db_conn.commit()
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with self.assertRaises(PrepareDatabaseException):
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prepare_database(db_conn, db_pool.engine, self.hs.config)
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def test_not_upgraded_current_schema_version_with_outstanding_deltas(self) -> None:
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"""
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Test that workers don't start if the DB is on the current schema version,
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but there are still outstanding delta migrations to run.
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"""
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db_pool = self.hs.get_datastores().main.db_pool
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db_conn = LoggingDatabaseConnection(
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db_pool._db_pool.connect(),
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db_pool.engine,
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"tests",
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)
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# Set the schema version of the database to the current version
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cur = db_conn.cursor()
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cur.execute("UPDATE schema_version SET version = ?", (SCHEMA_VERSION,))
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db_conn.commit()
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# Path `os.listdir` here to make synapse think that there is a migration
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# file ready to be run.
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# Note that we can't patch this function for the whole method, else Synapse
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# will try to find the file when building the database initially.
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with mock.patch("os.listdir", mock.Mock(side_effect=fake_listdir)):
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with self.assertRaises(PrepareDatabaseException):
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# Synapse should think that there is an outstanding migration file due to
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# patching 'os.listdir' in the function decorator.
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#
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# We expect Synapse to raise an exception to indicate the master process
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# needs to apply this migration file.
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prepare_database(db_conn, db_pool.engine, self.hs.config)
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