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639480e14a
In most cases, we limit the number of prev_events for a given event to 10 events. This fixes a particular code path which created events with huge numbers of prev_events.
68 lines
2.3 KiB
Python
68 lines
2.3 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright 2018 New Vector Ltd
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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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from twisted.internet import defer
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import tests.unittest
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import tests.utils
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class EventFederationWorkerStoreTestCase(tests.unittest.TestCase):
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@defer.inlineCallbacks
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def setUp(self):
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hs = yield tests.utils.setup_test_homeserver()
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self.store = hs.get_datastore()
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@defer.inlineCallbacks
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def test_get_prev_events_for_room(self):
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room_id = '@ROOM:local'
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# add a bunch of events and hashes to act as forward extremities
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def insert_event(txn, i):
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event_id = '$event_%i:local' % i
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txn.execute((
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"INSERT INTO events ("
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" room_id, event_id, type, depth, topological_ordering,"
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" content, processed, outlier) "
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"VALUES (?, ?, 'm.test', ?, ?, 'test', ?, ?)"
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), (room_id, event_id, i, i, True, False))
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txn.execute((
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'INSERT INTO event_forward_extremities (room_id, event_id) '
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'VALUES (?, ?)'
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), (room_id, event_id))
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txn.execute((
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'INSERT INTO event_reference_hashes '
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'(event_id, algorithm, hash) '
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"VALUES (?, 'sha256', ?)"
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), (event_id, 'ffff'))
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for i in range(0, 11):
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yield self.store.runInteraction("insert", insert_event, i)
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# this should get the last five and five others
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r = yield self.store.get_prev_events_for_room(room_id)
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self.assertEqual(10, len(r))
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for i in range(0, 5):
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el = r[i]
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depth = el[2]
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self.assertEqual(10 - i, depth)
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for i in range(5, 5):
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el = r[i]
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depth = el[2]
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self.assertLessEqual(5, depth)
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