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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