MatrixSynapse/tests/module_api/test_account_data_manager.py

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# Copyright 2022 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.api.errors import SynapseError
from synapse.rest import admin
from tests.unittest import HomeserverTestCase
class ModuleApiTestCase(HomeserverTestCase):
servlets = [
admin.register_servlets,
]
def prepare(self, reactor, clock, homeserver) -> None:
self._store = homeserver.get_datastores().main
self._module_api = homeserver.get_module_api()
self._account_data_mgr = self._module_api.account_data_manager
self.user_id = self.register_user("kristina", "secret")
def test_get_global(self) -> None:
"""
Tests that getting global account data through the module API works as
expected, including getting `None` for unset account data.
"""
self.get_success(
self._store.add_account_data_for_user(
self.user_id, "test.data", {"wombat": True}
)
)
# Getting existent account data works as expected.
self.assertEqual(
self.get_success(
self._account_data_mgr.get_global(self.user_id, "test.data")
),
{"wombat": True},
)
# Getting non-existent account data returns None.
self.assertIsNone(
self.get_success(
self._account_data_mgr.get_global(self.user_id, "no.data.at.all")
)
)
def test_get_global_validation(self) -> None:
"""
Tests that invalid or remote user IDs are treated as errors and raised as exceptions,
whilst getting global account data for a user.
This is a design choice to try and communicate potential bugs to modules
earlier on.
"""
with self.assertRaises(SynapseError):
self.get_success_or_raise(
self._account_data_mgr.get_global("this isn't a user id", "test.data")
)
with self.assertRaises(ValueError):
self.get_success_or_raise(
self._account_data_mgr.get_global("@valid.but:remote", "test.data")
)
def test_get_global_no_mutability(self) -> None:
"""
Tests that modules can't introduce bugs into Synapse by mutating the result
of `get_global`.
"""
# First add some account data to set up the test.
self.get_success(
self._store.add_account_data_for_user(
self.user_id, "test.data", {"wombat": True}
)
)
# Now request that data and then mutate it (out of negligence or otherwise).
the_data = self.get_success(
self._account_data_mgr.get_global(self.user_id, "test.data")
)
with self.assertRaises(TypeError):
# This throws an exception because it's a frozen dict.
the_data["wombat"] = False
def test_put_global(self) -> None:
"""
Tests that written account data using `put_global` can be read out again later.
"""
self.get_success(
self._module_api.account_data_manager.put_global(
self.user_id, "test.data", {"wombat": True}
)
)
# Request that account data from the normal store; check it's as we expect.
self.assertEqual(
self.get_success(
self._store.get_global_account_data_by_type_for_user(
self.user_id, "test.data"
)
),
{"wombat": True},
)
def test_put_global_validation(self) -> None:
"""
Tests that a module can't write account data to user IDs that don't have
actual users registered to them.
Modules also must supply the correct types.
"""
with self.assertRaises(SynapseError):
self.get_success_or_raise(
self._account_data_mgr.put_global(
"this isn't a user id", "test.data", {}
)
)
with self.assertRaises(ValueError):
self.get_success_or_raise(
self._account_data_mgr.put_global("@valid.but:remote", "test.data", {})
)
with self.assertRaises(ValueError):
self.get_success_or_raise(
self._module_api.account_data_manager.put_global(
"@notregistered:test", "test.data", {}
)
)
with self.assertRaises(TypeError):
# The account data type must be a string.
self.get_success_or_raise(
self._module_api.account_data_manager.put_global(
self.user_id, 42, {} # type: ignore
)
)
with self.assertRaises(TypeError):
# The account data dict must be a dict.
self.get_success_or_raise(
self._module_api.account_data_manager.put_global(
self.user_id, "test.data", 42 # type: ignore
)
)