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23740eaa3d
During the migration the automated script to update the copyright headers accidentally got rid of some of the existing copyright lines. Reinstate them.
90 lines
3.5 KiB
Python
90 lines
3.5 KiB
Python
#
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# This file is licensed under the Affero General Public License (AGPL) version 3.
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#
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# Copyright 2019 The Matrix.org Foundation C.I.C.
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# Copyright (C) 2023 New Vector, Ltd
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as
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# published by the Free Software Foundation, either version 3 of the
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# License, or (at your option) any later version.
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#
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# See the GNU Affero General Public License for more details:
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# <https://www.gnu.org/licenses/agpl-3.0.html>.
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#
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# Originally licensed under the Apache License, Version 2.0:
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# <http://www.apache.org/licenses/LICENSE-2.0>.
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#
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# [This file includes modifications made by New Vector Limited]
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#
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#
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from prometheus_client import generate_latest
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from synapse.metrics import REGISTRY
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from synapse.types import UserID, create_requester
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from tests.unittest import HomeserverTestCase
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class ExtremStatisticsTestCase(HomeserverTestCase):
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def test_exposed_to_prometheus(self) -> None:
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"""
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Forward extremity counts are exposed via Prometheus.
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"""
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room_creator = self.hs.get_room_creation_handler()
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user = UserID("alice", "test")
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requester = create_requester(user)
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# Real events, forward extremities
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events = [(3, 2), (6, 2), (4, 6)]
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for event_count, extrems in events:
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room_id, _, _ = self.get_success(room_creator.create_room(requester, {}))
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last_event = None
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# Make a real event chain
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for _ in range(event_count):
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ev = self.create_and_send_event(room_id, user, False, last_event)
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last_event = [ev]
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# Sprinkle in some extremities
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for _ in range(extrems):
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ev = self.create_and_send_event(room_id, user, False, last_event)
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# Let it run for a while, then pull out the statistics from the
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# Prometheus client registry
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self.reactor.advance(60 * 60 * 1000)
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self.pump(1)
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items = list(
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filter(
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lambda x: b"synapse_forward_extremities_" in x and b"# HELP" not in x,
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generate_latest(REGISTRY).split(b"\n"),
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)
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)
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expected = [
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b'synapse_forward_extremities_bucket{le="1.0"} 0.0',
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b'synapse_forward_extremities_bucket{le="2.0"} 2.0',
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b'synapse_forward_extremities_bucket{le="3.0"} 2.0',
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b'synapse_forward_extremities_bucket{le="5.0"} 2.0',
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b'synapse_forward_extremities_bucket{le="7.0"} 3.0',
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b'synapse_forward_extremities_bucket{le="10.0"} 3.0',
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b'synapse_forward_extremities_bucket{le="15.0"} 3.0',
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b'synapse_forward_extremities_bucket{le="20.0"} 3.0',
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b'synapse_forward_extremities_bucket{le="50.0"} 3.0',
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b'synapse_forward_extremities_bucket{le="100.0"} 3.0',
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b'synapse_forward_extremities_bucket{le="200.0"} 3.0',
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b'synapse_forward_extremities_bucket{le="500.0"} 3.0',
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# per https://docs.google.com/document/d/1KwV0mAXwwbvvifBvDKH_LU1YjyXE_wxCkHNoCGq1GX0/edit#heading=h.wghdjzzh72j9,
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# "inf" is valid: "this includes variants such as inf"
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b'synapse_forward_extremities_bucket{le="inf"} 3.0',
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b"# TYPE synapse_forward_extremities_gcount gauge",
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b"synapse_forward_extremities_gcount 3.0",
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b"# TYPE synapse_forward_extremities_gsum gauge",
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b"synapse_forward_extremities_gsum 10.0",
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]
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self.assertEqual(items, expected)
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