144 lines
5.3 KiB
Python
144 lines
5.3 KiB
Python
# Copyright 2021 The Matrix.org Foundation C.I.C.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import json
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from unittest.mock import Mock
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import ijson.common
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from synapse.api.room_versions import RoomVersions
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from synapse.federation.transport.client import SendJoinParser
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from synapse.util import ExceptionBundle
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from tests.unittest import TestCase
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class SendJoinParserTestCase(TestCase):
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def test_two_writes(self) -> None:
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"""Test that the parser can sensibly deserialise an input given in two slices."""
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parser = SendJoinParser(RoomVersions.V1, True)
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parent_event = {
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"content": {
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"see_room_version_spec": "The event format changes depending on the room version."
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},
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"event_id": "$authparent",
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"room_id": "!somewhere:example.org",
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"type": "m.room.minimal_pdu",
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}
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state = {
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"content": {
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"see_room_version_spec": "The event format changes depending on the room version."
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},
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"event_id": "$DoNotThinkAboutTheEvent",
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"room_id": "!somewhere:example.org",
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"type": "m.room.minimal_pdu",
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}
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response = [
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200,
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{
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"auth_chain": [parent_event],
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"origin": "matrix.org",
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"state": [state],
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},
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]
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serialised_response = json.dumps(response).encode()
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# Send data to the parser
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parser.write(serialised_response[:100])
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parser.write(serialised_response[100:])
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# Retrieve the parsed SendJoinResponse
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parsed_response = parser.finish()
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# Sanity check the parsing gave us sensible data.
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self.assertEqual(len(parsed_response.auth_events), 1, parsed_response)
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self.assertEqual(len(parsed_response.state), 1, parsed_response)
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self.assertEqual(parsed_response.event_dict, {}, parsed_response)
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self.assertIsNone(parsed_response.event, parsed_response)
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self.assertFalse(parsed_response.partial_state, parsed_response)
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self.assertEqual(parsed_response.servers_in_room, None, parsed_response)
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def test_partial_state(self) -> None:
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"""Check that the partial_state flag is correctly parsed"""
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parser = SendJoinParser(RoomVersions.V1, False)
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response = {
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"org.matrix.msc3706.partial_state": True,
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}
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serialised_response = json.dumps(response).encode()
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# Send data to the parser
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parser.write(serialised_response)
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# Retrieve and check the parsed SendJoinResponse
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parsed_response = parser.finish()
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self.assertTrue(parsed_response.partial_state)
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def test_servers_in_room(self) -> None:
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"""Check that the servers_in_room field is correctly parsed"""
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parser = SendJoinParser(RoomVersions.V1, False)
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response = {"org.matrix.msc3706.servers_in_room": ["hs1", "hs2"]}
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serialised_response = json.dumps(response).encode()
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# Send data to the parser
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parser.write(serialised_response)
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# Retrieve and check the parsed SendJoinResponse
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parsed_response = parser.finish()
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self.assertEqual(parsed_response.servers_in_room, ["hs1", "hs2"])
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def test_errors_closing_coroutines(self) -> None:
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"""Check we close all coroutines, even if closing the first raises an Exception.
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We also check that an Exception of some kind is raised, but we don't make any
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assertions about its attributes or type.
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"""
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parser = SendJoinParser(RoomVersions.V1, False)
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response = {"org.matrix.msc3706.servers_in_room": ["hs1", "hs2"]}
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serialisation = json.dumps(response).encode()
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# Mock the coroutines managed by this parser.
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# The first one will error when we try to close it.
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coro_1 = Mock()
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coro_1.close = Mock(side_effect=RuntimeError("Couldn't close coro 1"))
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coro_2 = Mock()
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coro_3 = Mock()
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coro_3.close = Mock(side_effect=RuntimeError("Couldn't close coro 3"))
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original_coros = parser._coros
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parser._coros = [coro_1, coro_2, coro_3]
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# Close the original coroutines. If we don't, when we garbage collect them
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# they will throw, failing the test. (Oddly, this only started in CPython 3.11).
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for coro in original_coros:
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try:
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coro.close()
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except ijson.common.IncompleteJSONError:
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pass
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# Send half of the data to the parser
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parser.write(serialisation[: len(serialisation) // 2])
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# Close the parser. There should be _some_ kind of exception.
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with self.assertRaises(ExceptionBundle):
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parser.finish()
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# In any case, we should have tried to close both coros.
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coro_1.close.assert_called()
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coro_2.close.assert_called()
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coro_3.close.assert_called()
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