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![Erik Johnston](/assets/img/avatar_default.png)
We do state res with unpersisted events when calculating the new current state of the room, so that should be the only thing impacted. I don't think this is tooooo big of a deal as: 1. the next time a state event happens in the room the current state should correct itself; 2. in the common case all the unpersisted events' auth events will be pulled in by other state, so will still return the correct result (or one which is sufficiently close to not affect the result); and 3. we mostly use the state at an event to do important operations, which isn't affected by this.
241 lines
7.5 KiB
Python
241 lines
7.5 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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import tests.unittest
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import tests.utils
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class EventFederationWorkerStoreTestCase(tests.unittest.HomeserverTestCase):
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def prepare(self, reactor, clock, hs):
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self.store = hs.get_datastore()
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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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(
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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, stream_ordering) "
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"VALUES (?, ?, 'm.test', ?, ?, 'test', ?, ?, ?)"
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),
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(room_id, event_id, i, i, True, False, i),
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)
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txn.execute(
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(
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"INSERT INTO event_forward_extremities (room_id, event_id) "
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"VALUES (?, ?)"
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),
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(room_id, event_id),
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)
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txn.execute(
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(
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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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),
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(event_id, bytearray(b"ffff")),
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)
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for i in range(0, 20):
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self.get_success(
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self.store.db_pool.runInteraction("insert", insert_event, i)
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)
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# this should get the last ten
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r = self.get_success(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, 10):
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self.assertEqual("$event_%i:local" % (19 - i), r[i])
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def test_get_rooms_with_many_extremities(self):
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room1 = "#room1"
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room2 = "#room2"
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room3 = "#room3"
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def insert_event(txn, i, room_id):
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event_id = "$event_%i:local" % i
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txn.execute(
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(
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"INSERT INTO event_forward_extremities (room_id, event_id) "
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"VALUES (?, ?)"
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),
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(room_id, event_id),
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)
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for i in range(0, 20):
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self.get_success(
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self.store.db_pool.runInteraction("insert", insert_event, i, room1)
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)
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self.get_success(
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self.store.db_pool.runInteraction("insert", insert_event, i, room2)
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)
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self.get_success(
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self.store.db_pool.runInteraction("insert", insert_event, i, room3)
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)
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# Test simple case
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r = self.get_success(self.store.get_rooms_with_many_extremities(5, 5, []))
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self.assertEqual(len(r), 3)
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# Does filter work?
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r = self.get_success(self.store.get_rooms_with_many_extremities(5, 5, [room1]))
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self.assertTrue(room2 in r)
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self.assertTrue(room3 in r)
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self.assertEqual(len(r), 2)
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r = self.get_success(
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self.store.get_rooms_with_many_extremities(5, 5, [room1, room2])
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)
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self.assertEqual(r, [room3])
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# Does filter and limit work?
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r = self.get_success(self.store.get_rooms_with_many_extremities(5, 1, [room1]))
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self.assertTrue(r == [room2] or r == [room3])
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def test_auth_difference(self):
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room_id = "@ROOM:local"
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# The silly auth graph we use to test the auth difference algorithm,
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# where the top are the most recent events.
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#
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# A B
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# \ /
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# D E
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# \ |
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# ` F C
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# | /|
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# G ´ |
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# | \ |
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# H I
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# | |
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# K J
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auth_graph = {
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"a": ["e"],
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"b": ["e"],
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"c": ["g", "i"],
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"d": ["f"],
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"e": ["f"],
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"f": ["g"],
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"g": ["h", "i"],
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"h": ["k"],
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"i": ["j"],
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"k": [],
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"j": [],
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}
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depth_map = {
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"a": 7,
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"b": 7,
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"c": 4,
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"d": 6,
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"e": 6,
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"f": 5,
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"g": 3,
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"h": 2,
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"i": 2,
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"k": 1,
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"j": 1,
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}
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# We rudely fiddle with the appropriate tables directly, as that's much
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# easier than constructing events properly.
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def insert_event(txn, event_id, stream_ordering):
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depth = depth_map[event_id]
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self.store.db_pool.simple_insert_txn(
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txn,
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table="events",
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values={
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"event_id": event_id,
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"room_id": room_id,
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"depth": depth,
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"topological_ordering": depth,
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"type": "m.test",
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"processed": True,
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"outlier": False,
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"stream_ordering": stream_ordering,
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},
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)
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self.store.db_pool.simple_insert_many_txn(
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txn,
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table="event_auth",
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values=[
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{"event_id": event_id, "room_id": room_id, "auth_id": a}
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for a in auth_graph[event_id]
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],
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)
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next_stream_ordering = 0
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for event_id in auth_graph:
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next_stream_ordering += 1
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self.get_success(
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self.store.db_pool.runInteraction(
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"insert", insert_event, event_id, next_stream_ordering
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)
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)
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# Now actually test that various combinations give the right result:
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difference = self.get_success(
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self.store.get_auth_chain_difference([{"a"}, {"b"}])
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)
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self.assertSetEqual(difference, {"a", "b"})
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difference = self.get_success(
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self.store.get_auth_chain_difference([{"a"}, {"b"}, {"c"}])
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)
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self.assertSetEqual(difference, {"a", "b", "c", "e", "f"})
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difference = self.get_success(
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self.store.get_auth_chain_difference([{"a", "c"}, {"b"}])
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)
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self.assertSetEqual(difference, {"a", "b", "c"})
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difference = self.get_success(
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self.store.get_auth_chain_difference([{"a", "c"}, {"b", "c"}])
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)
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self.assertSetEqual(difference, {"a", "b"})
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difference = self.get_success(
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self.store.get_auth_chain_difference([{"a"}, {"b"}, {"d"}])
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)
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self.assertSetEqual(difference, {"a", "b", "d", "e"})
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difference = self.get_success(
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self.store.get_auth_chain_difference([{"a"}, {"b"}, {"c"}, {"d"}])
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)
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self.assertSetEqual(difference, {"a", "b", "c", "d", "e", "f"})
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difference = self.get_success(
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self.store.get_auth_chain_difference([{"a"}, {"b"}, {"e"}])
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)
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self.assertSetEqual(difference, {"a", "b"})
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difference = self.get_success(self.store.get_auth_chain_difference([{"a"}]))
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self.assertSetEqual(difference, set())
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