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authorErik Johnston <erik@matrix.org>2016-02-19 09:37:50 +0000
committerErik Johnston <erik@matrix.org>2016-02-19 09:37:50 +0000
commite5ad2e52679d85aa3b158294161dd87bde3719b8 (patch)
tree9616f09c9652e92b5c8ce63ccd1a5129e87aa796 /tests
parentMerge pull request #573 from matrix-org/erikj/sync_fix (diff)
parent"You are not..." (diff)
downloadsynapse-e5ad2e52679d85aa3b158294161dd87bde3719b8.tar.xz
Merge pull request #582 from matrix-org/erikj/presence
Rewrite presence for performance.
Diffstat (limited to 'tests')
-rw-r--r--tests/handlers/test_presence.py1471
-rw-r--r--tests/handlers/test_presencelike.py311
-rw-r--r--tests/handlers/test_profile.py3
-rw-r--r--tests/rest/client/v1/test_presence.py412
-rw-r--r--tests/rest/client/v1/test_rooms.py6
-rw-r--r--tests/storage/test_presence.py26
-rw-r--r--tests/util/test_wheel_timer.py74
-rw-r--r--tests/utils.py4
8 files changed, 328 insertions, 1979 deletions
diff --git a/tests/handlers/test_presence.py b/tests/handlers/test_presence.py
index 447a22b5fc..197298db15 100644
--- a/tests/handlers/test_presence.py
+++ b/tests/handlers/test_presence.py
@@ -1,5 +1,5 @@
 # -*- coding: utf-8 -*-
-# Copyright 2014-2016 OpenMarket Ltd
+# Copyright 2016 OpenMarket Ltd
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -15,1326 +15,359 @@
 
 
 from tests import unittest
-from twisted.internet import defer, reactor
 
-from mock import Mock, call, ANY, NonCallableMock
-import json
-
-from tests.utils import (
-    MockHttpResource, MockClock, DeferredMockCallable, setup_test_homeserver
-)
+from mock import Mock, call
 
 from synapse.api.constants import PresenceState
-from synapse.api.errors import SynapseError
-from synapse.handlers.presence import PresenceHandler, UserPresenceCache
-from synapse.streams.config import SourcePaginationConfig
-from synapse.types import UserID
-
-OFFLINE = PresenceState.OFFLINE
-UNAVAILABLE = PresenceState.UNAVAILABLE
-ONLINE = PresenceState.ONLINE
-
-
-def _expect_edu(destination, edu_type, content, origin="test"):
-    return {
-        "origin": origin,
-        "origin_server_ts": 1000000,
-        "pdus": [],
-        "edus": [
-            {
-                "edu_type": edu_type,
-                "content": content,
-            }
-        ],
-        "pdu_failures": [],
-    }
-
-def _make_edu_json(origin, edu_type, content):
-    return json.dumps(_expect_edu("test", edu_type, content, origin=origin))
-
-
-class JustPresenceHandlers(object):
-    def __init__(self, hs):
-        self.presence_handler = PresenceHandler(hs)
-
-
-class PresenceTestCase(unittest.TestCase):
-    @defer.inlineCallbacks
-    def setUp(self):
-        self.clock = MockClock()
-
-        self.mock_federation_resource = MockHttpResource()
-
-        self.mock_http_client = Mock(spec=[])
-        self.mock_http_client.put_json = DeferredMockCallable()
-
-        hs_kwargs = {}
-        if hasattr(self, "make_datastore_mock"):
-            hs_kwargs["datastore"] = self.make_datastore_mock()
-
-        hs = yield setup_test_homeserver(
-            clock=self.clock,
-            handlers=None,
-            resource_for_federation=self.mock_federation_resource,
-            http_client=self.mock_http_client,
-            keyring=Mock(),
-            **hs_kwargs
-        )
-        hs.handlers = JustPresenceHandlers(hs)
-
-        self.datastore = hs.get_datastore()
-
-        self.setUp_roommemberhandler_mocks(hs.handlers)
-
-        self.handler = hs.get_handlers().presence_handler
-        self.event_source = hs.get_event_sources().sources["presence"]
-
-        self.distributor = hs.get_distributor()
-        self.distributor.declare("user_joined_room")
-
-        yield self.setUp_users(hs)
-
-    def setUp_roommemberhandler_mocks(self, handlers):
-        self.room_id = "a-room"
-        self.room_members = []
-
-        room_member_handler = handlers.room_member_handler = Mock(spec=[
-            "get_joined_rooms_for_user",
-            "get_room_members",
-            "fetch_room_distributions_into",
-        ])
-        self.room_member_handler = room_member_handler
-
-        def get_rooms_for_user(user):
-            if user in self.room_members:
-                return defer.succeed([self.room_id])
-            else:
-                return defer.succeed([])
-        room_member_handler.get_joined_rooms_for_user = get_rooms_for_user
-
-        def get_room_members(room_id):
-            if room_id == self.room_id:
-                return defer.succeed(self.room_members)
-            else:
-                return defer.succeed([])
-        room_member_handler.get_room_members = get_room_members
-
-        @defer.inlineCallbacks
-        def fetch_room_distributions_into(room_id, localusers=None,
-                remotedomains=None, ignore_user=None):
-
-            members = yield get_room_members(room_id)
-            for member in members:
-                if ignore_user is not None and member == ignore_user:
-                    continue
-
-                if member.is_mine:
-                    if localusers is not None:
-                        localusers.add(member)
-                else:
-                    if remotedomains is not None:
-                        remotedomains.add(member.domain)
-        room_member_handler.fetch_room_distributions_into = (
-                fetch_room_distributions_into)
-
-        self.setUp_datastore_room_mocks(self.datastore)
-
-    def setUp_datastore_room_mocks(self, datastore):
-        def get_room_hosts(room_id):
-            if room_id == self.room_id:
-                hosts = set([u.domain for u in self.room_members])
-                return defer.succeed(hosts)
-            else:
-                return defer.succeed([])
-        datastore.get_joined_hosts_for_room = get_room_hosts
-
-        def user_rooms_intersect(userlist):
-            room_member_ids = map(lambda u: u.to_string(), self.room_members)
-
-            shared = all(map(lambda i: i in room_member_ids, userlist))
-            return defer.succeed(shared)
-        datastore.user_rooms_intersect = user_rooms_intersect
-
-    @defer.inlineCallbacks
-    def setUp_users(self, hs):
-        # Some local users to test with
-        self.u_apple = UserID.from_string("@apple:test")
-        self.u_banana = UserID.from_string("@banana:test")
-        self.u_clementine = UserID.from_string("@clementine:test")
-
-        for u in self.u_apple, self.u_banana, self.u_clementine:
-            yield self.datastore.create_presence(u.localpart)
-
-        yield self.datastore.set_presence_state(
-            self.u_apple.localpart, {"state": ONLINE, "status_msg": "Online"}
-        )
-
-        # ID of a local user that does not exist
-        self.u_durian = UserID.from_string("@durian:test")
-
-        # A remote user
-        self.u_cabbage = UserID.from_string("@cabbage:elsewhere")
-
-
-class MockedDatastorePresenceTestCase(PresenceTestCase):
-    def make_datastore_mock(self):
-        datastore = Mock(spec=[
-            # Bits that Federation needs
-            "prep_send_transaction",
-            "delivered_txn",
-            "get_received_txn_response",
-            "set_received_txn_response",
-            "get_destination_retry_timings",
-        ])
-
-        self.setUp_datastore_federation_mocks(datastore)
-        self.setUp_datastore_presence_mocks(datastore)
-
-        return datastore
-
-    def setUp_datastore_federation_mocks(self, datastore):
-        retry_timings_res = {
-            "destination": "",
-            "retry_last_ts": 0,
-            "retry_interval": 0,
-        }
-        datastore.get_destination_retry_timings.return_value = (
-            defer.succeed(retry_timings_res)
-        )
-
-        def get_received_txn_response(*args):
-            return defer.succeed(None)
-        datastore.get_received_txn_response = get_received_txn_response
-
-    def setUp_datastore_presence_mocks(self, datastore):
-        self.current_user_state = {
-            "apple": OFFLINE,
-            "banana": OFFLINE,
-            "clementine": OFFLINE,
-            "fig": OFFLINE,
-        }
-
-        def get_presence_state(user_localpart):
-            return defer.succeed(
-                    {"state": self.current_user_state[user_localpart],
-                     "status_msg": None,
-                     "mtime": 123456000}
-            )
-        datastore.get_presence_state = get_presence_state
-
-        def set_presence_state(user_localpart, new_state):
-            was = self.current_user_state[user_localpart]
-            self.current_user_state[user_localpart] = new_state["state"]
-            return defer.succeed({"state": was})
-        datastore.set_presence_state = set_presence_state
-
-        def get_presence_list(user_localpart, accepted):
-            if not user_localpart in self.PRESENCE_LIST:
-                return defer.succeed([])
-            return defer.succeed([
-                {"observed_user_id": u, "accepted": accepted} for u in
-                self.PRESENCE_LIST[user_localpart]])
-        datastore.get_presence_list = get_presence_list
-
-        def is_presence_visible(observed_localpart, observer_userid):
-            return True
-        datastore.is_presence_visible = is_presence_visible
-
-    @defer.inlineCallbacks
-    def setUp_users(self, hs):
-        # Some local users to test with
-        self.u_apple = UserID.from_string("@apple:test")
-        self.u_banana = UserID.from_string("@banana:test")
-        self.u_clementine = UserID.from_string("@clementine:test")
-        self.u_durian = UserID.from_string("@durian:test")
-        self.u_elderberry = UserID.from_string("@elderberry:test")
-        self.u_fig = UserID.from_string("@fig:test")
-
-        # Remote user
-        self.u_onion = UserID.from_string("@onion:farm")
-        self.u_potato = UserID.from_string("@potato:remote")
-
-        yield
-
-
-class PresenceStateTestCase(PresenceTestCase):
-    """ Tests presence management. """
-    @defer.inlineCallbacks
-    def setUp(self):
-        yield super(PresenceStateTestCase, self).setUp()
-
-        self.mock_start = Mock()
-        self.mock_stop = Mock()
-
-        self.handler.start_polling_presence = self.mock_start
-        self.handler.stop_polling_presence = self.mock_stop
-
-    @defer.inlineCallbacks
-    def test_get_my_state(self):
-        state = yield self.handler.get_state(
-            target_user=self.u_apple, auth_user=self.u_apple
-        )
-
-        self.assertEquals(
-            {"presence": ONLINE, "status_msg": "Online"},
-            state
-        )
-
-    @defer.inlineCallbacks
-    def test_get_allowed_state(self):
-        yield self.datastore.allow_presence_visible(
-            observed_localpart=self.u_apple.localpart,
-            observer_userid=self.u_banana.to_string(),
-        )
-
-        state = yield self.handler.get_state(
-            target_user=self.u_apple, auth_user=self.u_banana
-        )
+from synapse.handlers.presence import (
+    handle_update, handle_timeout,
+    IDLE_TIMER, SYNC_ONLINE_TIMEOUT, LAST_ACTIVE_GRANULARITY, FEDERATION_TIMEOUT,
+    FEDERATION_PING_INTERVAL,
+)
+from synapse.storage.presence import UserPresenceState
 
-        self.assertEquals(
-            {"presence": ONLINE, "status_msg": "Online"},
-            state
-        )
 
-    @defer.inlineCallbacks
-    def test_get_same_room_state(self):
-        self.room_members = [self.u_apple, self.u_clementine]
+class PresenceUpdateTestCase(unittest.TestCase):
+    def test_offline_to_online(self):
+        wheel_timer = Mock()
+        user_id = "@foo:bar"
+        now = 5000000
 
-        state = yield self.handler.get_state(
-            target_user=self.u_apple, auth_user=self.u_clementine
+        prev_state = UserPresenceState.default(user_id)
+        new_state = prev_state.copy_and_replace(
+            state=PresenceState.ONLINE,
+            last_active_ts=now,
         )
 
-        self.assertEquals(
-            {"presence": ONLINE, "status_msg": "Online"},
-            state
+        state, persist_and_notify, federation_ping = handle_update(
+            prev_state, new_state, is_mine=True, wheel_timer=wheel_timer, now=now
         )
 
-    @defer.inlineCallbacks
-    def test_get_disallowed_state(self):
-        self.room_members = []
+        self.assertTrue(persist_and_notify)
+        self.assertTrue(state.currently_active)
+        self.assertEquals(new_state.state, state.state)
+        self.assertEquals(new_state.status_msg, state.status_msg)
+        self.assertEquals(state.last_federation_update_ts, now)
 
-        yield self.assertFailure(
-            self.handler.get_state(
-                target_user=self.u_apple, auth_user=self.u_clementine
+        self.assertEquals(wheel_timer.insert.call_count, 2)
+        wheel_timer.insert.assert_has_calls([
+            call(
+                now=now,
+                obj=user_id,
+                then=new_state.last_active_ts + IDLE_TIMER
             ),
-            SynapseError
-        )
-
-    @defer.inlineCallbacks
-    def test_set_my_state(self):
-        yield self.handler.set_state(
-                target_user=self.u_apple, auth_user=self.u_apple,
-                state={"presence": UNAVAILABLE, "status_msg": "Away"})
-
-        self.assertEquals(
-            {"state": UNAVAILABLE,
-             "status_msg": "Away",
-             "mtime": 1000000},
-            (yield self.datastore.get_presence_state(self.u_apple.localpart))
-        )
-
-        self.mock_start.assert_called_with(self.u_apple,
-                state={
-                    "presence": UNAVAILABLE,
-                    "status_msg": "Away",
-                    "last_active": 1000000, # MockClock
-                })
-
-        yield self.handler.set_state(
-                target_user=self.u_apple, auth_user=self.u_apple,
-                state={"presence": OFFLINE})
-
-        self.mock_stop.assert_called_with(self.u_apple)
-
-
-class PresenceInvitesTestCase(PresenceTestCase):
-    """ Tests presence management. """
-    @defer.inlineCallbacks
-    def setUp(self):
-        yield super(PresenceInvitesTestCase, self).setUp()
-
-        self.mock_start = Mock()
-        self.mock_stop = Mock()
-
-        self.handler.start_polling_presence = self.mock_start
-        self.handler.stop_polling_presence = self.mock_stop
-
-    @defer.inlineCallbacks
-    def test_invite_local(self):
-        # TODO(paul): This test will likely break if/when real auth permissions
-        # are added; for now the HS will always accept any invite
-
-        yield self.handler.send_presence_invite(
-                observer_user=self.u_apple, observed_user=self.u_banana)
-
-        self.assertEquals(
-            [{"observed_user_id": "@banana:test", "accepted": 1}],
-            (yield self.datastore.get_presence_list(self.u_apple.localpart))
-        )
-        self.assertTrue(
-            (yield self.datastore.is_presence_visible(
-                observed_localpart=self.u_banana.localpart,
-                observer_userid=self.u_apple.to_string(),
-            ))
-        )
-
-        self.mock_start.assert_called_with(
-                self.u_apple, target_user=self.u_banana)
-
-    @defer.inlineCallbacks
-    def test_invite_local_nonexistant(self):
-        yield self.handler.send_presence_invite(
-                observer_user=self.u_apple, observed_user=self.u_durian)
-
-        self.assertEquals(
-            [],
-            (yield self.datastore.get_presence_list(self.u_apple.localpart))
-        )
-
-    @defer.inlineCallbacks
-    def test_invite_remote(self):
-        # Use a different destination, otherwise retry logic might fail the
-        # request
-        u_rocket = UserID.from_string("@rocket:there")
-
-        put_json = self.mock_http_client.put_json
-        put_json.expect_call_and_return(
-            call("there",
-                path="/_matrix/federation/v1/send/1000000/",
-                data=_expect_edu("there", "m.presence_invite",
-                    content={
-                        "observer_user": "@apple:test",
-                        "observed_user": "@rocket:there",
-                    }
-                ),
-                json_data_callback=ANY,
-                long_retries=True,
-            ),
-            defer.succeed((200, "OK"))
-        )
+            call(
+                now=now,
+                obj=user_id,
+                then=new_state.last_user_sync_ts + SYNC_ONLINE_TIMEOUT
+            )
+        ], any_order=True)
 
-        yield self.handler.send_presence_invite(
-                observer_user=self.u_apple, observed_user=u_rocket)
+    def test_online_to_online(self):
+        wheel_timer = Mock()
+        user_id = "@foo:bar"
+        now = 5000000
 
-        self.assertEquals(
-            [{"observed_user_id": "@rocket:there", "accepted": 0}],
-            (yield self.datastore.get_presence_list(self.u_apple.localpart))
+        prev_state = UserPresenceState.default(user_id)
+        prev_state = prev_state.copy_and_replace(
+            state=PresenceState.ONLINE,
+            last_active_ts=now,
+            currently_active=True,
         )
 
-        yield put_json.await_calls()
-
-    @defer.inlineCallbacks
-    def test_accept_remote(self):
-        # TODO(paul): This test will likely break if/when real auth permissions
-        # are added; for now the HS will always accept any invite
-
-        # Use a different destination, otherwise retry logic might fail the
-        # request
-        u_rocket = UserID.from_string("@rocket:moon")
-
-        put_json = self.mock_http_client.put_json
-        put_json.expect_call_and_return(
-            call("moon",
-                path="/_matrix/federation/v1/send/1000000/",
-                data=_expect_edu("moon", "m.presence_accept",
-                    content={
-                        "observer_user": "@rocket:moon",
-                        "observed_user": "@apple:test",
-                    }
-                ),
-                json_data_callback=ANY,
-                long_retries=True,
-            ),
-            defer.succeed((200, "OK"))
+        new_state = prev_state.copy_and_replace(
+            state=PresenceState.ONLINE,
+            last_active_ts=now,
         )
 
-        yield self.mock_federation_resource.trigger("PUT",
-            "/_matrix/federation/v1/send/1000000/",
-            _make_edu_json("elsewhere", "m.presence_invite",
-                content={
-                    "observer_user": "@rocket:moon",
-                    "observed_user": "@apple:test",
-                }
-            )
+        state, persist_and_notify, federation_ping = handle_update(
+            prev_state, new_state, is_mine=True, wheel_timer=wheel_timer, now=now
         )
 
-        self.assertTrue(
-            (yield self.datastore.is_presence_visible(
-                observed_localpart=self.u_apple.localpart,
-                observer_userid=u_rocket.to_string(),
-            ))
-        )
+        self.assertFalse(persist_and_notify)
+        self.assertTrue(federation_ping)
+        self.assertTrue(state.currently_active)
+        self.assertEquals(new_state.state, state.state)
+        self.assertEquals(new_state.status_msg, state.status_msg)
+        self.assertEquals(state.last_federation_update_ts, now)
 
-        yield put_json.await_calls()
-
-    @defer.inlineCallbacks
-    def test_invited_remote_nonexistant(self):
-        # Use a different destination, otherwise retry logic might fail the
-        # request
-        u_rocket = UserID.from_string("@rocket:sun")
-
-        put_json = self.mock_http_client.put_json
-        put_json.expect_call_and_return(
-            call("sun",
-                path="/_matrix/federation/v1/send/1000000/",
-                data=_expect_edu("sun", "m.presence_deny",
-                    content={
-                        "observer_user": "@rocket:sun",
-                        "observed_user": "@durian:test",
-                    }
-                ),
-                json_data_callback=ANY,
-                long_retries=True,
+        self.assertEquals(wheel_timer.insert.call_count, 2)
+        wheel_timer.insert.assert_has_calls([
+            call(
+                now=now,
+                obj=user_id,
+                then=new_state.last_active_ts + IDLE_TIMER
             ),
-            defer.succeed((200, "OK"))
-        )
-
-        yield self.mock_federation_resource.trigger("PUT",
-            "/_matrix/federation/v1/send/1000000/",
-            _make_edu_json("sun", "m.presence_invite",
-                content={
-                    "observer_user": "@rocket:sun",
-                    "observed_user": "@durian:test",
-                }
+            call(
+                now=now,
+                obj=user_id,
+                then=new_state.last_user_sync_ts + SYNC_ONLINE_TIMEOUT
             )
-        )
+        ], any_order=True)
 
-        yield put_json.await_calls()
+    def test_online_to_online_last_active(self):
+        wheel_timer = Mock()
+        user_id = "@foo:bar"
+        now = 5000000
 
-    @defer.inlineCallbacks
-    def test_accepted_remote(self):
-        yield self.datastore.add_presence_list_pending(
-            observer_localpart=self.u_apple.localpart,
-            observed_userid=self.u_cabbage.to_string(),
+        prev_state = UserPresenceState.default(user_id)
+        prev_state = prev_state.copy_and_replace(
+            state=PresenceState.ONLINE,
+            last_active_ts=now - LAST_ACTIVE_GRANULARITY - 1,
+            currently_active=True,
         )
 
-        yield self.mock_federation_resource.trigger("PUT",
-            "/_matrix/federation/v1/send/1000000/",
-            _make_edu_json("elsewhere", "m.presence_accept",
-                content={
-                    "observer_user": "@apple:test",
-                    "observed_user": "@cabbage:elsewhere",
-                }
-            )
+        new_state = prev_state.copy_and_replace(
+            state=PresenceState.ONLINE,
         )
 
-        self.assertEquals(
-            [{"observed_user_id": "@cabbage:elsewhere", "accepted": 1}],
-            (yield self.datastore.get_presence_list(self.u_apple.localpart))
+        state, persist_and_notify, federation_ping = handle_update(
+            prev_state, new_state, is_mine=True, wheel_timer=wheel_timer, now=now
         )
 
-        self.mock_start.assert_called_with(
-                self.u_apple, target_user=self.u_cabbage)
-
-    @defer.inlineCallbacks
-    def test_denied_remote(self):
-        yield self.datastore.add_presence_list_pending(
-            observer_localpart=self.u_apple.localpart,
-            observed_userid="@eggplant:elsewhere",
-        )
+        self.assertTrue(persist_and_notify)
+        self.assertFalse(state.currently_active)
+        self.assertEquals(new_state.state, state.state)
+        self.assertEquals(new_state.status_msg, state.status_msg)
+        self.assertEquals(state.last_federation_update_ts, now)
 
-        yield self.mock_federation_resource.trigger("PUT",
-            "/_matrix/federation/v1/send/1000000/",
-            _make_edu_json("elsewhere", "m.presence_deny",
-                content={
-                    "observer_user": "@apple:test",
-                    "observed_user": "@eggplant:elsewhere",
-                }
+        self.assertEquals(wheel_timer.insert.call_count, 2)
+        wheel_timer.insert.assert_has_calls([
+            call(
+                now=now,
+                obj=user_id,
+                then=new_state.last_active_ts + IDLE_TIMER
+            ),
+            call(
+                now=now,
+                obj=user_id,
+                then=new_state.last_user_sync_ts + SYNC_ONLINE_TIMEOUT
             )
-        )
-
-        self.assertEquals(
-            [],
-            (yield self.datastore.get_presence_list(self.u_apple.localpart))
-        )
-
-    @defer.inlineCallbacks
-    def test_drop_local(self):
-        yield self.datastore.add_presence_list_pending(
-            observer_localpart=self.u_apple.localpart,
-            observed_userid=self.u_banana.to_string(),
-        )
-        yield self.datastore.set_presence_list_accepted(
-            observer_localpart=self.u_apple.localpart,
-            observed_userid=self.u_banana.to_string(),
-        )
-
-        yield self.handler.drop(
-            observer_user=self.u_apple,
-            observed_user=self.u_banana,
-        )
-
-        self.assertEquals(
-            [],
-            (yield self.datastore.get_presence_list(self.u_apple.localpart))
-        )
-
-        self.mock_stop.assert_called_with(
-                self.u_apple, target_user=self.u_banana)
-
-    @defer.inlineCallbacks
-    def test_drop_remote(self):
-        yield self.datastore.add_presence_list_pending(
-            observer_localpart=self.u_apple.localpart,
-            observed_userid=self.u_cabbage.to_string(),
-        )
-        yield self.datastore.set_presence_list_accepted(
-            observer_localpart=self.u_apple.localpart,
-            observed_userid=self.u_cabbage.to_string(),
-        )
-
-        yield self.handler.drop(
-            observer_user=self.u_apple,
-            observed_user=self.u_cabbage,
-        )
-
-        self.assertEquals(
-            [],
-            (yield self.datastore.get_presence_list(self.u_apple.localpart))
-        )
-
-    @defer.inlineCallbacks
-    def test_get_presence_list(self):
-        yield self.datastore.add_presence_list_pending(
-            observer_localpart=self.u_apple.localpart,
-            observed_userid=self.u_banana.to_string(),
-        )
-        yield self.datastore.set_presence_list_accepted(
-            observer_localpart=self.u_apple.localpart,
-            observed_userid=self.u_banana.to_string(),
-        )
-
-        presence = yield self.handler.get_presence_list(
-                observer_user=self.u_apple)
-
-        self.assertEquals([
-            {"observed_user": self.u_banana,
-             "presence": OFFLINE,
-             "accepted": 1},
-        ], presence)
-
-
-class PresencePushTestCase(MockedDatastorePresenceTestCase):
-    """ Tests steady-state presence status updates.
-
-    They assert that presence state update messages are pushed around the place
-    when users change state, presuming that the watches are all established.
-
-    These tests are MASSIVELY fragile currently as they poke internals of the
-    presence handler; namely the _local_pushmap and _remote_recvmap.
-    BE WARNED...
-    """
-    PRESENCE_LIST = {
-            'apple': [ "@banana:test", "@clementine:test" ],
-            'banana': [ "@apple:test" ],
-    }
-
-    @defer.inlineCallbacks
-    def test_push_local(self):
-        self.room_members = [self.u_apple, self.u_elderberry]
-
-        self.datastore.set_presence_state.return_value = defer.succeed(
-            {"state": ONLINE}
-        )
-
-        # TODO(paul): Gut-wrenching
-        self.handler._user_cachemap[self.u_apple] = UserPresenceCache()
-        self.handler._user_cachemap[self.u_apple].update(
-            {"presence": OFFLINE}, serial=0
-        )
-        apple_set = self.handler._local_pushmap.setdefault("apple", set())
-        apple_set.add(self.u_banana)
-        apple_set.add(self.u_clementine)
-
-        self.assertEquals(self.event_source.get_current_key(), 0)
-
-        yield self.handler.set_state(self.u_apple, self.u_apple,
-            {"presence": ONLINE}
-        )
-
-        # Apple sees self-reflection even without room_id
-        (events, _) = yield self.event_source.get_new_events(
-            user=self.u_apple,
-            from_key=0,
-        )
-
-        self.assertEquals(self.event_source.get_current_key(), 1)
-        self.assertEquals(events,
-            [
-                {"type": "m.presence",
-                 "content": {
-                    "user_id": "@apple:test",
-                    "presence": ONLINE,
-                    "last_active_ago": 0,
-                }},
-            ],
-            msg="Presence event should be visible to self-reflection"
-        )
-
-        # Apple sees self-reflection
-        (events, _) = yield self.event_source.get_new_events(
-            user=self.u_apple,
-            from_key=0,
-            room_ids=[self.room_id],
-        )
-
-        self.assertEquals(self.event_source.get_current_key(), 1)
-        self.assertEquals(events,
-            [
-                {"type": "m.presence",
-                 "content": {
-                    "user_id": "@apple:test",
-                    "presence": ONLINE,
-                    "last_active_ago": 0,
-                }},
-            ],
-            msg="Presence event should be visible to self-reflection"
-        )
-
-        config = SourcePaginationConfig(from_key=1, to_key=0)
-        (chunk, _) = yield self.event_source.get_pagination_rows(
-            self.u_apple, config, None
-        )
-        self.assertEquals(chunk,
-            [
-                {"type": "m.presence",
-                 "content": {
-                     "user_id": "@apple:test",
-                     "presence": ONLINE,
-                     "last_active_ago": 0,
-                }},
-            ]
-        )
-
-        # Banana sees it because of presence subscription
-        (events, _) = yield self.event_source.get_new_events(
-            user=self.u_banana,
-            from_key=0,
-            room_ids=[self.room_id],
-        )
-
-        self.assertEquals(self.event_source.get_current_key(), 1)
-        self.assertEquals(events,
-            [
-                {"type": "m.presence",
-                 "content": {
-                    "user_id": "@apple:test",
-                    "presence": ONLINE,
-                    "last_active_ago": 0,
-                }},
-            ],
-            msg="Presence event should be visible to explicit subscribers"
-        )
-
-        # Elderberry sees it because of same room
-        (events, _) = yield self.event_source.get_new_events(
-            user=self.u_elderberry,
-            from_key=0,
-            room_ids=[self.room_id],
-        )
-
-        self.assertEquals(self.event_source.get_current_key(), 1)
-        self.assertEquals(events,
-            [
-                {"type": "m.presence",
-                 "content": {
-                    "user_id": "@apple:test",
-                    "presence": ONLINE,
-                    "last_active_ago": 0,
-                }},
-            ],
-            msg="Presence event should be visible to other room members"
-        )
-
-        # Durian is not in the room, should not see this event
-        (events, _) = yield self.event_source.get_new_events(
-            user=self.u_durian,
-            from_key=0,
-            room_ids=[],
-        )
+        ], any_order=True)
 
-        self.assertEquals(self.event_source.get_current_key(), 1)
-        self.assertEquals(events, [],
-            msg="Presence event should not be visible to others"
-        )
+    def test_remote_ping_timer(self):
+        wheel_timer = Mock()
+        user_id = "@foo:bar"
+        now = 5000000
 
-        presence = yield self.handler.get_presence_list(
-                observer_user=self.u_apple, accepted=True)
-
-        self.assertEquals(
-            [
-                {"observed_user": self.u_banana,
-                 "presence": OFFLINE,
-                 "accepted": True},
-                {"observed_user": self.u_clementine,
-                 "presence": OFFLINE,
-                 "accepted": True},
-            ],
-            presence
+        prev_state = UserPresenceState.default(user_id)
+        prev_state = prev_state.copy_and_replace(
+            state=PresenceState.ONLINE,
         )
 
-        # TODO(paul): Gut-wrenching
-        banana_set = self.handler._local_pushmap.setdefault("banana", set())
-        banana_set.add(self.u_apple)
-
-        yield self.handler.set_state(self.u_banana, self.u_banana,
-            {"presence": ONLINE}
+        new_state = prev_state.copy_and_replace(
+            state=PresenceState.ONLINE,
         )
 
-        self.clock.advance_time(2)
-
-        presence = yield self.handler.get_presence_list(
-                observer_user=self.u_apple, accepted=True)
-
-        self.assertEquals([
-                {"observed_user": self.u_banana,
-                 "presence": ONLINE,
-                 "last_active_ago": 2000,
-                 "accepted": True},
-                {"observed_user": self.u_clementine,
-                 "presence": OFFLINE,
-                 "accepted": True},
-        ], presence)
-
-        (events, _) = yield self.event_source.get_new_events(
-            user=self.u_apple,
-            from_key=1,
+        state, persist_and_notify, federation_ping = handle_update(
+            prev_state, new_state, is_mine=False, wheel_timer=wheel_timer, now=now
         )
 
-        self.assertEquals(self.event_source.get_current_key(), 2)
-        self.assertEquals(events,
-            [
-                {"type": "m.presence",
-                 "content": {
-                     "user_id": "@banana:test",
-                     "presence": ONLINE,
-                     "last_active_ago": 2000
-                }},
-            ]
-        )
+        self.assertFalse(persist_and_notify)
+        self.assertFalse(federation_ping)
+        self.assertFalse(state.currently_active)
+        self.assertEquals(new_state.state, state.state)
+        self.assertEquals(new_state.status_msg, state.status_msg)
 
-    @defer.inlineCallbacks
-    def test_push_remote(self):
-        put_json = self.mock_http_client.put_json
-        put_json.expect_call_and_return(
-            call("farm",
-                path=ANY,  # Can't guarantee which txn ID will be which
-                data=_expect_edu("farm", "m.presence",
-                    content={
-                        "push": [
-                            {"user_id": "@apple:test",
-                             "presence": u"online",
-                             "last_active_ago": 0},
-                        ],
-                    }
-                ),
-                json_data_callback=ANY,
-                long_retries=True,
-            ),
-            defer.succeed((200, "OK"))
-        )
-        put_json.expect_call_and_return(
-            call("remote",
-                path=ANY,  # Can't guarantee which txn ID will be which
-                data=_expect_edu("remote", "m.presence",
-                    content={
-                        "push": [
-                            {"user_id": "@apple:test",
-                             "presence": u"online",
-                             "last_active_ago": 0},
-                        ],
-                    }
-                ),
-                json_data_callback=ANY,
-                long_retries=True,
+        self.assertEquals(wheel_timer.insert.call_count, 1)
+        wheel_timer.insert.assert_has_calls([
+            call(
+                now=now,
+                obj=user_id,
+                then=new_state.last_federation_update_ts + FEDERATION_TIMEOUT
             ),
-            defer.succeed((200, "OK"))
-        )
+        ], any_order=True)
 
-        self.room_members = [self.u_apple, self.u_onion]
+    def test_online_to_offline(self):
+        wheel_timer = Mock()
+        user_id = "@foo:bar"
+        now = 5000000
 
-        self.datastore.set_presence_state.return_value = defer.succeed(
-            {"state": ONLINE}
+        prev_state = UserPresenceState.default(user_id)
+        prev_state = prev_state.copy_and_replace(
+            state=PresenceState.ONLINE,
+            last_active_ts=now,
+            currently_active=True,
         )
 
-        # TODO(paul): Gut-wrenching
-        self.handler._user_cachemap[self.u_apple] = UserPresenceCache()
-        self.handler._user_cachemap[self.u_apple].update(
-            {"presence": OFFLINE}, serial=0
+        new_state = prev_state.copy_and_replace(
+            state=PresenceState.OFFLINE,
         )
-        apple_set = self.handler._remote_sendmap.setdefault("apple", set())
-        apple_set.add(self.u_potato.domain)
 
-        yield self.handler.set_state(self.u_apple, self.u_apple,
-            {"presence": ONLINE}
+        state, persist_and_notify, federation_ping = handle_update(
+            prev_state, new_state, is_mine=True, wheel_timer=wheel_timer, now=now
         )
 
-        yield put_json.await_calls()
-
-    @defer.inlineCallbacks
-    def test_recv_remote(self):
-        self.room_members = [self.u_apple, self.u_banana, self.u_potato]
+        self.assertTrue(persist_and_notify)
+        self.assertEquals(new_state.state, state.state)
+        self.assertEquals(state.last_federation_update_ts, now)
 
-        self.assertEquals(self.event_source.get_current_key(), 0)
+        self.assertEquals(wheel_timer.insert.call_count, 0)
 
-        yield self.mock_federation_resource.trigger("PUT",
-            "/_matrix/federation/v1/send/1000000/",
-            _make_edu_json("elsewhere", "m.presence",
-                content={
-                    "push": [
-                        {"user_id": "@potato:remote",
-                         "presence": "online",
-                         "last_active_ago": 1000},
-                    ],
-                }
-            )
-        )
+    def test_online_to_idle(self):
+        wheel_timer = Mock()
+        user_id = "@foo:bar"
+        now = 5000000
 
-        (events, _) = yield self.event_source.get_new_events(
-            user=self.u_apple,
-            from_key=0,
-            room_ids=[self.room_id],
+        prev_state = UserPresenceState.default(user_id)
+        prev_state = prev_state.copy_and_replace(
+            state=PresenceState.ONLINE,
+            last_active_ts=now,
+            currently_active=True,
         )
 
-        self.assertEquals(self.event_source.get_current_key(), 1)
-        self.assertEquals(events,
-            [
-                {"type": "m.presence",
-                 "content": {
-                     "user_id": "@potato:remote",
-                     "presence": ONLINE,
-                     "last_active_ago": 1000,
-                }}
-            ]
+        new_state = prev_state.copy_and_replace(
+            state=PresenceState.UNAVAILABLE,
         )
 
-        self.clock.advance_time(2)
-
-        state = yield self.handler.get_state(self.u_potato, self.u_apple)
-
-        self.assertEquals(
-            {"presence": ONLINE, "last_active_ago": 3000},
-            state
+        state, persist_and_notify, federation_ping = handle_update(
+            prev_state, new_state, is_mine=True, wheel_timer=wheel_timer, now=now
         )
 
-    @defer.inlineCallbacks
-    def test_recv_remote_offline(self):
-        """ Various tests relating to SYN-261 """
-
-        self.room_members = [self.u_apple, self.u_banana, self.u_potato]
-
-        self.assertEquals(self.event_source.get_current_key(), 0)
+        self.assertTrue(persist_and_notify)
+        self.assertEquals(new_state.state, state.state)
+        self.assertEquals(state.last_federation_update_ts, now)
+        self.assertEquals(new_state.state, state.state)
+        self.assertEquals(new_state.status_msg, state.status_msg)
 
-        yield self.mock_federation_resource.trigger("PUT",
-            "/_matrix/federation/v1/send/1000000/",
-            _make_edu_json("elsewhere", "m.presence",
-                content={
-                    "push": [
-                        {"user_id": "@potato:remote",
-                         "presence": "offline"},
-                    ],
-                }
+        self.assertEquals(wheel_timer.insert.call_count, 1)
+        wheel_timer.insert.assert_has_calls([
+            call(
+                now=now,
+                obj=user_id,
+                then=new_state.last_user_sync_ts + SYNC_ONLINE_TIMEOUT
             )
-        )
-
-        self.assertEquals(self.event_source.get_current_key(), 1)
-
-        (events, _) = yield self.event_source.get_new_events(
-            user=self.u_apple,
-            from_key=0,
-            room_ids=[self.room_id,]
-        )
-        self.assertEquals(events,
-            [
-                {"type": "m.presence",
-                 "content": {
-                     "user_id": "@potato:remote",
-                     "presence": OFFLINE,
-                }}
-            ]
-        )
-
-        yield self.mock_federation_resource.trigger("PUT",
-            "/_matrix/federation/v1/send/1000001/",
-            _make_edu_json("elsewhere", "m.presence",
-                content={
-                    "push": [
-                        {"user_id": "@potato:remote",
-                         "presence": "online"},
-                    ],
-                }
-            )
-        )
-
-        self.assertEquals(self.event_source.get_current_key(), 2)
-
-        (events, _) = yield self.event_source.get_new_events(
-            user=self.u_apple,
-            from_key=0,
-            room_ids=[self.room_id,]
-        )
-        self.assertEquals(events,
-            [
-                {"type": "m.presence",
-                 "content": {
-                     "user_id": "@potato:remote",
-                     "presence": ONLINE,
-                }}
-            ]
-        )
-
-    @defer.inlineCallbacks
-    def test_join_room_local(self):
-        self.room_members = [self.u_apple, self.u_banana]
-
-        self.assertEquals(self.event_source.get_current_key(), 0)
-
-        # TODO(paul): Gut-wrenching
-        self.handler._user_cachemap[self.u_clementine] = UserPresenceCache()
-        self.handler._user_cachemap[self.u_clementine].update(
-            {
-                "presence": PresenceState.ONLINE,
-                "last_active": self.clock.time_msec(),
-            }, self.u_clementine
-        )
-
-        yield self.distributor.fire("user_joined_room", self.u_clementine,
-            self.room_id
-        )
+        ], any_order=True)
 
-        self.room_members.append(self.u_clementine)
 
-        (events, _) = yield self.event_source.get_new_events(
-            user=self.u_apple,
-            from_key=0,
-        )
+class PresenceTimeoutTestCase(unittest.TestCase):
+    def test_idle_timer(self):
+        user_id = "@foo:bar"
+        now = 5000000
 
-        self.assertEquals(self.event_source.get_current_key(), 1)
-        self.assertEquals(events,
-            [
-                {"type": "m.presence",
-                 "content": {
-                     "user_id": "@clementine:test",
-                     "presence": ONLINE,
-                     "last_active_ago": 0,
-                }}
-            ]
+        state = UserPresenceState.default(user_id)
+        state = state.copy_and_replace(
+            state=PresenceState.ONLINE,
+            last_active_ts=now - IDLE_TIMER - 1,
+            last_user_sync_ts=now,
         )
 
-    @defer.inlineCallbacks
-    def test_join_room_remote(self):
-        ## Sending local user state to a newly-joined remote user
-        put_json = self.mock_http_client.put_json
-        put_json.expect_call_and_return(
-            call("remote",
-                path=ANY,  # Can't guarantee which txn ID will be which
-                data=_expect_edu("remote", "m.presence",
-                    content={
-                        "push": [
-                            {"user_id": "@apple:test",
-                             "presence": "online"},
-                        ],
-                    }
-                ),
-                json_data_callback=ANY,
-                long_retries=True,
-            ),
-            defer.succeed((200, "OK"))
-        )
-        put_json.expect_call_and_return(
-            call("remote",
-                path=ANY,  # Can't guarantee which txn ID will be which
-                data=_expect_edu("remote", "m.presence",
-                    content={
-                        "push": [
-                            {"user_id": "@banana:test",
-                             "presence": "offline"},
-                        ],
-                    }
-                ),
-                json_data_callback=ANY,
-                long_retries=True,
-            ),
-            defer.succeed((200, "OK"))
+        new_state = handle_timeout(
+            state, is_mine=True, user_to_num_current_syncs={}, now=now
         )
 
-        # TODO(paul): Gut-wrenching
-        self.handler._user_cachemap[self.u_apple] = UserPresenceCache()
-        self.handler._user_cachemap[self.u_apple].update(
-                {"presence": PresenceState.ONLINE}, self.u_apple)
-        self.room_members = [self.u_apple, self.u_banana]
+        self.assertIsNotNone(new_state)
+        self.assertEquals(new_state.state, PresenceState.UNAVAILABLE)
 
-        yield self.distributor.fire("user_joined_room", self.u_potato,
-            self.room_id
-        )
+    def test_sync_timeout(self):
+        user_id = "@foo:bar"
+        now = 5000000
 
-        yield put_json.await_calls()
-
-        ## Sending newly-joined local user state to remote users
-
-        put_json.expect_call_and_return(
-            call("remote",
-                path="/_matrix/federation/v1/send/1000002/",
-                data=_expect_edu("remote", "m.presence",
-                    content={
-                        "push": [
-                            {"user_id": "@clementine:test",
-                             "presence": "online"},
-                        ],
-                    }
-                ),
-                json_data_callback=ANY,
-                long_retries=True,
-            ),
-            defer.succeed((200, "OK"))
+        state = UserPresenceState.default(user_id)
+        state = state.copy_and_replace(
+            state=PresenceState.ONLINE,
+            last_active_ts=now,
+            last_user_sync_ts=now - SYNC_ONLINE_TIMEOUT - 1,
         )
 
-        self.handler._user_cachemap[self.u_clementine] = UserPresenceCache()
-        self.handler._user_cachemap[self.u_clementine].update(
-                {"presence": ONLINE}, self.u_clementine)
-        self.room_members.append(self.u_potato)
-
-        yield self.distributor.fire("user_joined_room", self.u_clementine,
-            self.room_id
+        new_state = handle_timeout(
+            state, is_mine=True, user_to_num_current_syncs={}, now=now
         )
 
-        put_json.await_calls()
-
-
-class PresencePollingTestCase(MockedDatastorePresenceTestCase):
-    """ Tests presence status polling. """
-
-    # For this test, we have three local users; apple is watching and is
-    # watched by the other two, but the others don't watch each other.
-    # Additionally clementine is watching a remote user.
-    PRESENCE_LIST = {
-            'apple': [ "@banana:test", "@clementine:test" ],
-            'banana': [ "@apple:test" ],
-            'clementine': [ "@apple:test", "@potato:remote" ],
-            'fig': [ "@potato:remote" ],
-    }
-
-    @defer.inlineCallbacks
-    def setUp(self):
-        yield super(PresencePollingTestCase, self).setUp()
-
-        self.mock_update_client = Mock()
-
-        def update(*args,**kwargs):
-            return defer.succeed(None)
-        self.mock_update_client.side_effect = update
-
-        self.handler.push_update_to_clients = self.mock_update_client
-
-    @defer.inlineCallbacks
-    def test_push_local(self):
-        # apple goes online
-        yield self.handler.set_state(
-            target_user=self.u_apple, auth_user=self.u_apple,
-            state={"presence": ONLINE}
-        )
-
-        # apple should see both banana and clementine currently offline
-        self.mock_update_client.assert_has_calls([
-            call(users_to_push=[self.u_apple]),
-            call(users_to_push=[self.u_apple]),
-        ], any_order=True)
-
-        # Gut-wrenching tests
-        self.assertTrue("banana" in self.handler._local_pushmap)
-        self.assertTrue(self.u_apple in self.handler._local_pushmap["banana"])
-        self.assertTrue("clementine" in self.handler._local_pushmap)
-        self.assertTrue(self.u_apple in self.handler._local_pushmap["clementine"])
+        self.assertIsNotNone(new_state)
+        self.assertEquals(new_state.state, PresenceState.OFFLINE)
 
-        self.mock_update_client.reset_mock()
+    def test_sync_online(self):
+        user_id = "@foo:bar"
+        now = 5000000
 
-        # banana goes online
-        yield self.handler.set_state(
-            target_user=self.u_banana, auth_user=self.u_banana,
-            state={"presence": ONLINE}
+        state = UserPresenceState.default(user_id)
+        state = state.copy_and_replace(
+            state=PresenceState.ONLINE,
+            last_active_ts=now - SYNC_ONLINE_TIMEOUT - 1,
+            last_user_sync_ts=now - SYNC_ONLINE_TIMEOUT - 1,
         )
 
-        # apple and banana should now both see each other online
-        self.mock_update_client.assert_has_calls([
-            call(users_to_push=set([self.u_apple]), room_ids=[]),
-            call(users_to_push=[self.u_banana]),
-        ], any_order=True)
-
-        self.assertTrue("apple" in self.handler._local_pushmap)
-        self.assertTrue(self.u_banana in self.handler._local_pushmap["apple"])
-
-        self.mock_update_client.reset_mock()
-
-        # apple goes offline
-        yield self.handler.set_state(
-            target_user=self.u_apple, auth_user=self.u_apple,
-            state={"presence": OFFLINE}
+        new_state = handle_timeout(
+            state, is_mine=True, user_to_num_current_syncs={
+                user_id: 1,
+            }, now=now
         )
 
-        # banana should now be told apple is offline
-        self.mock_update_client.assert_has_calls([
-            call(users_to_push=set([self.u_banana, self.u_apple]), room_ids=[]),
-        ], any_order=True)
+        self.assertIsNotNone(new_state)
+        self.assertEquals(new_state.state, PresenceState.ONLINE)
 
-        self.assertFalse("banana" in self.handler._local_pushmap)
-        self.assertFalse("clementine" in self.handler._local_pushmap)
-
-    @defer.inlineCallbacks
-    def test_remote_poll_send(self):
-        put_json = self.mock_http_client.put_json
-        put_json.expect_call_and_return(
-            call("remote",
-                path=ANY,
-                data=_expect_edu("remote", "m.presence",
-                    content={
-                        "poll": [ "@potato:remote" ],
-                    },
-                ),
-                json_data_callback=ANY,
-                long_retries=True,
-            ),
-            defer.succeed((200, "OK"))
-        )
+    def test_federation_ping(self):
+        user_id = "@foo:bar"
+        now = 5000000
 
-        put_json.expect_call_and_return(
-            call("remote",
-                path=ANY,
-                data=_expect_edu("remote", "m.presence",
-                    content={
-                        "push": [ {
-                            "user_id": "@clementine:test",
-                            "presence": OFFLINE,
-                        }],
-                    },
-                ),
-                json_data_callback=ANY,
-                long_retries=True,
-            ),
-            defer.succeed((200, "OK"))
+        state = UserPresenceState.default(user_id)
+        state = state.copy_and_replace(
+            state=PresenceState.ONLINE,
+            last_active_ts=now,
+            last_user_sync_ts=now,
+            last_federation_update_ts=now - FEDERATION_PING_INTERVAL - 1,
         )
 
-        # clementine goes online
-        yield self.handler.set_state(
-            target_user=self.u_clementine, auth_user=self.u_clementine,
-            state={"presence": ONLINE}
+        new_state = handle_timeout(
+            state, is_mine=True, user_to_num_current_syncs={}, now=now
         )
 
-        yield put_json.await_calls()
+        self.assertIsNotNone(new_state)
+        self.assertEquals(new_state, new_state)
 
-        # Gut-wrenching tests
-        self.assertTrue(self.u_potato in self.handler._remote_recvmap,
-            msg="expected potato to be in _remote_recvmap"
-        )
-        self.assertTrue(self.u_clementine in
-                self.handler._remote_recvmap[self.u_potato])
-
-
-        put_json.expect_call_and_return(
-            call("remote",
-                path=ANY,
-                data=_expect_edu("remote", "m.presence",
-                    content={
-                        "push": [ {
-                            "user_id": "@fig:test",
-                            "presence": OFFLINE,
-                        }],
-                    },
-                ),
-                json_data_callback=ANY,
-                long_retries=True,
-            ),
-            defer.succeed((200, "OK"))
-        )
+    def test_no_timeout(self):
+        user_id = "@foo:bar"
+        now = 5000000
 
-        # fig goes online; shouldn't send a second poll
-        yield self.handler.set_state(
-            target_user=self.u_fig, auth_user=self.u_fig,
-            state={"presence": ONLINE}
+        state = UserPresenceState.default(user_id)
+        state = state.copy_and_replace(
+            state=PresenceState.ONLINE,
+            last_active_ts=now,
+            last_user_sync_ts=now,
+            last_federation_update_ts=now,
         )
 
-        # reactor.iterate(delay=0)
-
-        yield put_json.await_calls()
-
-        # fig goes offline
-        yield self.handler.set_state(
-            target_user=self.u_fig, auth_user=self.u_fig,
-            state={"presence": OFFLINE}
+        new_state = handle_timeout(
+            state, is_mine=True, user_to_num_current_syncs={}, now=now
         )
 
-        reactor.iterate(delay=0)
+        self.assertIsNone(new_state)
 
-        put_json.assert_had_no_calls()
+    def test_federation_timeout(self):
+        user_id = "@foo:bar"
+        now = 5000000
 
-        put_json.expect_call_and_return(
-            call("remote",
-                path=ANY,
-                data=_expect_edu("remote", "m.presence",
-                    content={
-                        "unpoll": [ "@potato:remote" ],
-                    },
-                ),
-                json_data_callback=ANY,
-                long_retries=True,
-            ),
-            defer.succeed((200, "OK"))
+        state = UserPresenceState.default(user_id)
+        state = state.copy_and_replace(
+            state=PresenceState.ONLINE,
+            last_active_ts=now,
+            last_user_sync_ts=now,
+            last_federation_update_ts=now - FEDERATION_TIMEOUT - 1,
         )
 
-        # clementine goes offline
-        yield self.handler.set_state(
-            target_user=self.u_clementine, auth_user=self.u_clementine,
-            state={"presence": OFFLINE}
+        new_state = handle_timeout(
+            state, is_mine=False, user_to_num_current_syncs={}, now=now
         )
 
-        yield put_json.await_calls()
+        self.assertIsNotNone(new_state)
+        self.assertEquals(new_state.state, PresenceState.OFFLINE)
 
-        self.assertFalse(self.u_potato in self.handler._remote_recvmap,
-            msg="expected potato not to be in _remote_recvmap"
-        )
+    def test_last_active(self):
+        user_id = "@foo:bar"
+        now = 5000000
 
-    @defer.inlineCallbacks
-    def test_remote_poll_receive(self):
-        put_json = self.mock_http_client.put_json
-        put_json.expect_call_and_return(
-            call("remote",
-                path="/_matrix/federation/v1/send/1000000/",
-                data=_expect_edu("remote", "m.presence",
-                    content={
-                        "push": [
-                            {"user_id": "@banana:test",
-                             "presence": "offline",
-                             "status_msg": None},
-                        ],
-                    },
-                ),
-                json_data_callback=ANY,
-                long_retries=True,
-            ),
-            defer.succeed((200, "OK"))
+        state = UserPresenceState.default(user_id)
+        state = state.copy_and_replace(
+            state=PresenceState.ONLINE,
+            last_active_ts=now - LAST_ACTIVE_GRANULARITY - 1,
+            last_user_sync_ts=now,
+            last_federation_update_ts=now,
         )
 
-        yield self.mock_federation_resource.trigger("PUT",
-            "/_matrix/federation/v1/send/1000000/",
-            _make_edu_json("remote", "m.presence",
-                content={
-                    "poll": [ "@banana:test" ],
-                },
-            )
-        )
-
-        yield put_json.await_calls()
-
-        # Gut-wrenching tests
-        self.assertTrue(self.u_banana in self.handler._remote_sendmap)
-
-        yield self.mock_federation_resource.trigger("PUT",
-            "/_matrix/federation/v1/send/1000001/",
-            _make_edu_json("remote", "m.presence",
-                content={
-                    "unpoll": [ "@banana:test" ],
-                }
-            )
+        new_state = handle_timeout(
+            state, is_mine=True, user_to_num_current_syncs={}, now=now
         )
 
-        # Gut-wrenching tests
-        self.assertFalse(self.u_banana in self.handler._remote_sendmap)
+        self.assertIsNotNone(new_state)
+        self.assertEquals(state, new_state)
diff --git a/tests/handlers/test_presencelike.py b/tests/handlers/test_presencelike.py
deleted file mode 100644
index 76f6ba5e7b..0000000000
--- a/tests/handlers/test_presencelike.py
+++ /dev/null
@@ -1,311 +0,0 @@
-# -*- coding: utf-8 -*-
-# Copyright 2014-2016 OpenMarket Ltd
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-"""This file contains tests of the "presence-like" data that is shared between
-presence and profiles; namely, the displayname and avatar_url."""
-
-from tests import unittest
-from twisted.internet import defer
-
-from mock import Mock, call, ANY, NonCallableMock
-
-from ..utils import MockClock, setup_test_homeserver
-
-from synapse.api.constants import PresenceState
-from synapse.handlers.presence import PresenceHandler
-from synapse.handlers.profile import ProfileHandler
-from synapse.types import UserID
-
-
-OFFLINE = PresenceState.OFFLINE
-UNAVAILABLE = PresenceState.UNAVAILABLE
-ONLINE = PresenceState.ONLINE
-
-
-class MockReplication(object):
-    def __init__(self):
-        self.edu_handlers = {}
-
-    def register_edu_handler(self, edu_type, handler):
-        self.edu_handlers[edu_type] = handler
-
-    def register_query_handler(self, query_type, handler):
-        pass
-
-    def received_edu(self, origin, edu_type, content):
-        self.edu_handlers[edu_type](origin, content)
-
-
-class PresenceAndProfileHandlers(object):
-    def __init__(self, hs):
-        self.presence_handler = PresenceHandler(hs)
-        self.profile_handler = ProfileHandler(hs)
-
-
-class PresenceProfilelikeDataTestCase(unittest.TestCase):
-
-    @defer.inlineCallbacks
-    def setUp(self):
-        hs = yield setup_test_homeserver(
-            clock=MockClock(),
-            datastore=Mock(spec=[
-                "set_presence_state",
-                "is_presence_visible",
-                "set_profile_displayname",
-                "get_rooms_for_user",
-            ]),
-            handlers=None,
-            resource_for_federation=Mock(),
-            http_client=None,
-            replication_layer=MockReplication(),
-            ratelimiter=NonCallableMock(spec_set=[
-                "send_message",
-            ]),
-        )
-        self.ratelimiter = hs.get_ratelimiter()
-        self.ratelimiter.send_message.return_value = (True, 0)
-        hs.handlers = PresenceAndProfileHandlers(hs)
-
-        self.datastore = hs.get_datastore()
-
-        self.replication = hs.get_replication_layer()
-        self.replication.send_edu = Mock()
-
-        def send_edu(*args, **kwargs):
-            # print "send_edu: %s, %s" % (args, kwargs)
-            return defer.succeed((200, "OK"))
-        self.replication.send_edu.side_effect = send_edu
-
-        def get_profile_displayname(user_localpart):
-            return defer.succeed("Frank")
-        self.datastore.get_profile_displayname = get_profile_displayname
-
-        def is_presence_visible(*args, **kwargs):
-            return defer.succeed(False)
-        self.datastore.is_presence_visible = is_presence_visible
-
-        def get_profile_avatar_url(user_localpart):
-            return defer.succeed("http://foo")
-        self.datastore.get_profile_avatar_url = get_profile_avatar_url
-
-        self.presence_list = [
-            {"observed_user_id": "@banana:test", "accepted": True},
-            {"observed_user_id": "@clementine:test", "accepted": True},
-        ]
-        def get_presence_list(user_localpart, accepted=None):
-            return defer.succeed(self.presence_list)
-        self.datastore.get_presence_list = get_presence_list
-
-        def user_rooms_intersect(userlist):
-            return defer.succeed(False)
-        self.datastore.user_rooms_intersect = user_rooms_intersect
-
-        self.handlers = hs.get_handlers()
-
-        self.mock_update_client = Mock()
-        def update(*args, **kwargs):
-            # print "mock_update_client: %s, %s" %(args, kwargs)
-            return defer.succeed(None)
-        self.mock_update_client.side_effect = update
-
-        self.handlers.presence_handler.push_update_to_clients = (
-                self.mock_update_client)
-
-        hs.handlers.room_member_handler = Mock(spec=[
-            "get_joined_rooms_for_user",
-        ])
-        hs.handlers.room_member_handler.get_joined_rooms_for_user = (
-                lambda u: defer.succeed([]))
-
-        # Some local users to test with
-        self.u_apple = UserID.from_string("@apple:test")
-        self.u_banana = UserID.from_string("@banana:test")
-        self.u_clementine = UserID.from_string("@clementine:test")
-
-        # Remote user
-        self.u_potato = UserID.from_string("@potato:remote")
-
-        self.mock_get_joined = (
-            self.datastore.get_rooms_for_user
-        )
-
-    @defer.inlineCallbacks
-    def test_set_my_state(self):
-        self.presence_list = [
-            {"observed_user_id": "@banana:test", "accepted": True},
-            {"observed_user_id": "@clementine:test", "accepted": True},
-        ]
-
-        mocked_set = self.datastore.set_presence_state
-        mocked_set.return_value = defer.succeed({"state": OFFLINE})
-
-        yield self.handlers.presence_handler.set_state(
-                target_user=self.u_apple, auth_user=self.u_apple,
-                state={"presence": UNAVAILABLE, "status_msg": "Away"})
-
-        mocked_set.assert_called_with("apple",
-            {"state": UNAVAILABLE, "status_msg": "Away"}
-        )
-
-    @defer.inlineCallbacks
-    def test_push_local(self):
-        def get_joined(*args):
-            return defer.succeed([])
-
-        self.mock_get_joined.side_effect = get_joined
-
-        self.presence_list = [
-            {"observed_user_id": "@banana:test", "accepted": True},
-            {"observed_user_id": "@clementine:test", "accepted": True},
-        ]
-
-        self.datastore.set_presence_state.return_value = defer.succeed(
-            {"state": ONLINE}
-        )
-
-        # TODO(paul): Gut-wrenching
-        from synapse.handlers.presence import UserPresenceCache
-        self.handlers.presence_handler._user_cachemap[self.u_apple] = (
-            UserPresenceCache()
-        )
-        self.handlers.presence_handler._user_cachemap[self.u_apple].update(
-            {"presence": OFFLINE}, serial=0
-        )
-        apple_set = self.handlers.presence_handler._local_pushmap.setdefault(
-                "apple", set())
-        apple_set.add(self.u_banana)
-        apple_set.add(self.u_clementine)
-
-        yield self.handlers.presence_handler.set_state(self.u_apple,
-            self.u_apple, {"presence": ONLINE}
-        )
-        yield self.handlers.presence_handler.set_state(self.u_banana,
-            self.u_banana, {"presence": ONLINE}
-        )
-
-        presence = yield self.handlers.presence_handler.get_presence_list(
-                observer_user=self.u_apple, accepted=True)
-
-        self.assertEquals([
-            {"observed_user": self.u_banana,
-                "presence": ONLINE,
-                "last_active_ago": 0,
-                "displayname": "Frank",
-                "avatar_url": "http://foo",
-                "accepted": True},
-            {"observed_user": self.u_clementine,
-                "presence": OFFLINE,
-                "accepted": True}
-        ], presence)
-
-        self.mock_update_client.assert_has_calls([
-            call(
-                users_to_push={self.u_apple, self.u_banana, self.u_clementine},
-                room_ids=[]
-            ),
-        ], any_order=True)
-
-        self.mock_update_client.reset_mock()
-
-        self.datastore.set_profile_displayname.return_value = defer.succeed(
-                None)
-
-        yield self.handlers.profile_handler.set_displayname(self.u_apple,
-                self.u_apple, "I am an Apple")
-
-        self.mock_update_client.assert_has_calls([
-            call(
-                users_to_push={self.u_apple, self.u_banana, self.u_clementine},
-                room_ids=[],
-            ),
-        ], any_order=True)
-
-    @defer.inlineCallbacks
-    def test_push_remote(self):
-        self.presence_list = [
-            {"observed_user_id": "@potato:remote", "accepted": True},
-        ]
-
-        self.datastore.set_presence_state.return_value = defer.succeed(
-            {"state": ONLINE}
-        )
-
-        # TODO(paul): Gut-wrenching
-        from synapse.handlers.presence import UserPresenceCache
-        self.handlers.presence_handler._user_cachemap[self.u_apple] = (
-            UserPresenceCache()
-        )
-        self.handlers.presence_handler._user_cachemap[self.u_apple].update(
-            {"presence": OFFLINE}, serial=0
-        )
-        apple_set = self.handlers.presence_handler._remote_sendmap.setdefault(
-                "apple", set())
-        apple_set.add(self.u_potato.domain)
-
-        yield self.handlers.presence_handler.set_state(self.u_apple,
-            self.u_apple, {"presence": ONLINE}
-        )
-
-        self.replication.send_edu.assert_called_with(
-                destination="remote",
-                edu_type="m.presence",
-                content={
-                    "push": [
-                        {"user_id": "@apple:test",
-                         "presence": "online",
-                         "last_active_ago": 0,
-                         "displayname": "Frank",
-                         "avatar_url": "http://foo"},
-                    ],
-                },
-        )
-
-    @defer.inlineCallbacks
-    def test_recv_remote(self):
-        self.presence_list = [
-            {"observed_user_id": "@banana:test"},
-            {"observed_user_id": "@clementine:test"},
-        ]
-
-        # TODO(paul): Gut-wrenching
-        potato_set = self.handlers.presence_handler._remote_recvmap.setdefault(
-            self.u_potato, set()
-        )
-        potato_set.add(self.u_apple)
-
-        yield self.replication.received_edu(
-            "remote", "m.presence", {
-                "push": [
-                    {"user_id": "@potato:remote",
-                     "presence": "online",
-                     "displayname": "Frank",
-                     "avatar_url": "http://foo"},
-                ],
-            }
-        )
-
-        self.mock_update_client.assert_called_with(
-            users_to_push=set([self.u_apple]),
-            room_ids=[],
-        )
-
-        state = yield self.handlers.presence_handler.get_state(self.u_potato,
-                self.u_apple)
-
-        self.assertEquals(
-                {"presence": ONLINE,
-                 "displayname": "Frank",
-                 "avatar_url": "http://foo"},
-            state)
diff --git a/tests/handlers/test_profile.py b/tests/handlers/test_profile.py
index 237fc8223c..95c87f0ebd 100644
--- a/tests/handlers/test_profile.py
+++ b/tests/handlers/test_profile.py
@@ -70,9 +70,6 @@ class ProfileTestCase(unittest.TestCase):
 
         self.handler = hs.get_handlers().profile_handler
 
-        # TODO(paul): Icky signal declarings.. booo
-        hs.get_distributor().declare("changed_presencelike_data")
-
     @defer.inlineCallbacks
     def test_get_my_name(self):
         yield self.store.set_profile_displayname(
diff --git a/tests/rest/client/v1/test_presence.py b/tests/rest/client/v1/test_presence.py
deleted file mode 100644
index 8d7cfd79ab..0000000000
--- a/tests/rest/client/v1/test_presence.py
+++ /dev/null
@@ -1,412 +0,0 @@
-# -*- coding: utf-8 -*-
-# Copyright 2014-2016 OpenMarket Ltd
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-"""Tests REST events for /presence paths."""
-from tests import unittest
-from twisted.internet import defer
-
-from mock import Mock
-
-from ....utils import MockHttpResource, setup_test_homeserver
-
-from synapse.api.constants import PresenceState
-from synapse.handlers.presence import PresenceHandler
-from synapse.rest.client.v1 import presence
-from synapse.rest.client.v1 import events
-from synapse.types import Requester, UserID
-from synapse.util.async import run_on_reactor
-
-from collections import namedtuple
-
-
-OFFLINE = PresenceState.OFFLINE
-UNAVAILABLE = PresenceState.UNAVAILABLE
-ONLINE = PresenceState.ONLINE
-
-
-myid = "@apple:test"
-PATH_PREFIX = "/_matrix/client/api/v1"
-
-
-class NullSource(object):
-    """This event source never yields any events and its token remains at
-    zero. It may be useful for unit-testing."""
-    def __init__(self, hs):
-        pass
-
-    def get_new_events(
-            self,
-            user,
-            from_key,
-            room_ids=None,
-            limit=None,
-            is_guest=None
-    ):
-        return defer.succeed(([], from_key))
-
-    def get_current_key(self, direction='f'):
-        return defer.succeed(0)
-
-    def get_pagination_rows(self, user, pagination_config, key):
-        return defer.succeed(([], pagination_config.from_key))
-
-
-class JustPresenceHandlers(object):
-    def __init__(self, hs):
-        self.presence_handler = PresenceHandler(hs)
-
-
-class PresenceStateTestCase(unittest.TestCase):
-
-    @defer.inlineCallbacks
-    def setUp(self):
-        self.mock_resource = MockHttpResource(prefix=PATH_PREFIX)
-        hs = yield setup_test_homeserver(
-            datastore=Mock(spec=[
-                "get_presence_state",
-                "set_presence_state",
-                "insert_client_ip",
-            ]),
-            http_client=None,
-            resource_for_client=self.mock_resource,
-            resource_for_federation=self.mock_resource,
-        )
-        hs.handlers = JustPresenceHandlers(hs)
-
-        self.datastore = hs.get_datastore()
-        self.datastore.get_app_service_by_token = Mock(return_value=None)
-
-        def get_presence_list(*a, **kw):
-            return defer.succeed([])
-        self.datastore.get_presence_list = get_presence_list
-
-        def _get_user_by_access_token(token=None, allow_guest=False):
-            return {
-                "user": UserID.from_string(myid),
-                "token_id": 1,
-                "is_guest": False,
-            }
-
-        hs.get_v1auth()._get_user_by_access_token = _get_user_by_access_token
-
-        room_member_handler = hs.handlers.room_member_handler = Mock(
-            spec=[
-                "get_joined_rooms_for_user",
-            ]
-        )
-
-        def get_rooms_for_user(user):
-            return defer.succeed([])
-        room_member_handler.get_joined_rooms_for_user = get_rooms_for_user
-
-        presence.register_servlets(hs, self.mock_resource)
-
-        self.u_apple = UserID.from_string(myid)
-
-    @defer.inlineCallbacks
-    def test_get_my_status(self):
-        mocked_get = self.datastore.get_presence_state
-        mocked_get.return_value = defer.succeed(
-            {"state": ONLINE, "status_msg": "Available"}
-        )
-
-        (code, response) = yield self.mock_resource.trigger("GET",
-                "/presence/%s/status" % (myid), None)
-
-        self.assertEquals(200, code)
-        self.assertEquals(
-            {"presence": ONLINE, "status_msg": "Available"},
-            response
-        )
-        mocked_get.assert_called_with("apple")
-
-    @defer.inlineCallbacks
-    def test_set_my_status(self):
-        mocked_set = self.datastore.set_presence_state
-        mocked_set.return_value = defer.succeed({"state": OFFLINE})
-
-        (code, response) = yield self.mock_resource.trigger("PUT",
-                "/presence/%s/status" % (myid),
-                '{"presence": "unavailable", "status_msg": "Away"}')
-
-        self.assertEquals(200, code)
-        mocked_set.assert_called_with("apple",
-            {"state": UNAVAILABLE, "status_msg": "Away"}
-        )
-
-
-class PresenceListTestCase(unittest.TestCase):
-
-    @defer.inlineCallbacks
-    def setUp(self):
-        self.mock_resource = MockHttpResource(prefix=PATH_PREFIX)
-
-        hs = yield setup_test_homeserver(
-            datastore=Mock(spec=[
-                "has_presence_state",
-                "get_presence_state",
-                "allow_presence_visible",
-                "is_presence_visible",
-                "add_presence_list_pending",
-                "set_presence_list_accepted",
-                "del_presence_list",
-                "get_presence_list",
-                "insert_client_ip",
-            ]),
-            http_client=None,
-            resource_for_client=self.mock_resource,
-            resource_for_federation=self.mock_resource,
-        )
-        hs.handlers = JustPresenceHandlers(hs)
-
-        self.datastore = hs.get_datastore()
-        self.datastore.get_app_service_by_token = Mock(return_value=None)
-
-        def has_presence_state(user_localpart):
-            return defer.succeed(
-                user_localpart in ("apple", "banana",)
-            )
-        self.datastore.has_presence_state = has_presence_state
-
-        def _get_user_by_access_token(token=None, allow_guest=False):
-            return {
-                "user": UserID.from_string(myid),
-                "token_id": 1,
-                "is_guest": False,
-            }
-
-        hs.handlers.room_member_handler = Mock(
-            spec=[
-                "get_joined_rooms_for_user",
-            ]
-        )
-
-        hs.get_v1auth()._get_user_by_access_token = _get_user_by_access_token
-
-        presence.register_servlets(hs, self.mock_resource)
-
-        self.u_apple = UserID.from_string("@apple:test")
-        self.u_banana = UserID.from_string("@banana:test")
-
-    @defer.inlineCallbacks
-    def test_get_my_list(self):
-        self.datastore.get_presence_list.return_value = defer.succeed(
-            [{"observed_user_id": "@banana:test", "accepted": True}],
-        )
-
-        (code, response) = yield self.mock_resource.trigger("GET",
-                "/presence/list/%s" % (myid), None)
-
-        self.assertEquals(200, code)
-        self.assertEquals([
-            {"user_id": "@banana:test", "presence": OFFLINE, "accepted": True},
-        ], response)
-
-        self.datastore.get_presence_list.assert_called_with(
-            "apple", accepted=True
-        )
-
-    @defer.inlineCallbacks
-    def test_invite(self):
-        self.datastore.add_presence_list_pending.return_value = (
-            defer.succeed(())
-        )
-        self.datastore.is_presence_visible.return_value = defer.succeed(
-            True
-        )
-
-        (code, response) = yield self.mock_resource.trigger("POST",
-            "/presence/list/%s" % (myid),
-            """{"invite": ["@banana:test"]}"""
-        )
-
-        self.assertEquals(200, code)
-
-        self.datastore.add_presence_list_pending.assert_called_with(
-            "apple", "@banana:test"
-        )
-        self.datastore.set_presence_list_accepted.assert_called_with(
-            "apple", "@banana:test"
-        )
-
-    @defer.inlineCallbacks
-    def test_drop(self):
-        self.datastore.del_presence_list.return_value = (
-            defer.succeed(())
-        )
-
-        (code, response) = yield self.mock_resource.trigger("POST",
-            "/presence/list/%s" % (myid),
-            """{"drop": ["@banana:test"]}"""
-        )
-
-        self.assertEquals(200, code)
-
-        self.datastore.del_presence_list.assert_called_with(
-            "apple", "@banana:test"
-        )
-
-
-class PresenceEventStreamTestCase(unittest.TestCase):
-    @defer.inlineCallbacks
-    def setUp(self):
-        self.mock_resource = MockHttpResource(prefix=PATH_PREFIX)
-
-        # HIDEOUS HACKERY
-        # TODO(paul): This should be injected in via the HomeServer DI system
-        from synapse.streams.events import (
-            PresenceEventSource, EventSources
-        )
-
-        old_SOURCE_TYPES = EventSources.SOURCE_TYPES
-        def tearDown():
-            EventSources.SOURCE_TYPES = old_SOURCE_TYPES
-        self.tearDown = tearDown
-
-        EventSources.SOURCE_TYPES = {
-            k: NullSource for k in old_SOURCE_TYPES.keys()
-        }
-        EventSources.SOURCE_TYPES["presence"] = PresenceEventSource
-
-        clock = Mock(spec=[
-            "call_later",
-            "cancel_call_later",
-            "time_msec",
-            "looping_call",
-        ])
-
-        clock.time_msec.return_value = 1000000
-
-        hs = yield setup_test_homeserver(
-            http_client=None,
-            resource_for_client=self.mock_resource,
-            resource_for_federation=self.mock_resource,
-            datastore=Mock(spec=[
-                "set_presence_state",
-                "get_presence_list",
-                "get_rooms_for_user",
-            ]),
-            clock=clock,
-        )
-
-        def _get_user_by_req(req=None, allow_guest=False):
-            return Requester(UserID.from_string(myid), "", False)
-
-        hs.get_v1auth().get_user_by_req = _get_user_by_req
-
-        presence.register_servlets(hs, self.mock_resource)
-        events.register_servlets(hs, self.mock_resource)
-
-        hs.handlers.room_member_handler = Mock(spec=[])
-
-        self.room_members = []
-
-        def get_rooms_for_user(user):
-            if user in self.room_members:
-                return ["a-room"]
-            else:
-                return []
-        hs.handlers.room_member_handler.get_joined_rooms_for_user = get_rooms_for_user
-        hs.handlers.room_member_handler.get_room_members = (
-            lambda r: self.room_members if r == "a-room" else []
-        )
-        hs.handlers.room_member_handler._filter_events_for_client = (
-            lambda user_id, events, **kwargs: events
-        )
-
-        self.mock_datastore = hs.get_datastore()
-        self.mock_datastore.get_app_service_by_token = Mock(return_value=None)
-        self.mock_datastore.get_app_service_by_user_id = Mock(
-            return_value=defer.succeed(None)
-        )
-        self.mock_datastore.get_rooms_for_user = (
-            lambda u: [
-                namedtuple("Room", "room_id")(r)
-                for r in get_rooms_for_user(UserID.from_string(u))
-            ]
-        )
-
-        def get_profile_displayname(user_id):
-            return defer.succeed("Frank")
-        self.mock_datastore.get_profile_displayname = get_profile_displayname
-
-        def get_profile_avatar_url(user_id):
-            return defer.succeed(None)
-        self.mock_datastore.get_profile_avatar_url = get_profile_avatar_url
-
-        def user_rooms_intersect(user_list):
-            room_member_ids = map(lambda u: u.to_string(), self.room_members)
-
-            shared = all(map(lambda i: i in room_member_ids, user_list))
-            return defer.succeed(shared)
-        self.mock_datastore.user_rooms_intersect = user_rooms_intersect
-
-        def get_joined_hosts_for_room(room_id):
-            return []
-        self.mock_datastore.get_joined_hosts_for_room = get_joined_hosts_for_room
-
-        self.presence = hs.get_handlers().presence_handler
-
-        self.u_apple = UserID.from_string("@apple:test")
-        self.u_banana = UserID.from_string("@banana:test")
-
-    @defer.inlineCallbacks
-    def test_shortpoll(self):
-        self.room_members = [self.u_apple, self.u_banana]
-
-        self.mock_datastore.set_presence_state.return_value = defer.succeed(
-            {"state": ONLINE}
-        )
-        self.mock_datastore.get_presence_list.return_value = defer.succeed(
-            []
-        )
-
-        (code, response) = yield self.mock_resource.trigger("GET",
-                "/events?timeout=0", None)
-
-        self.assertEquals(200, code)
-
-        # We've forced there to be only one data stream so the tokens will
-        # all be ours
-
-        # I'll already get my own presence state change
-        self.assertEquals({"start": "0_1_0_0_0", "end": "0_1_0_0_0", "chunk": []},
-            response
-        )
-
-        self.mock_datastore.set_presence_state.return_value = defer.succeed(
-            {"state": ONLINE}
-        )
-        self.mock_datastore.get_presence_list.return_value = defer.succeed([])
-
-        yield self.presence.set_state(self.u_banana, self.u_banana,
-            state={"presence": ONLINE}
-        )
-
-        yield run_on_reactor()
-
-        (code, response) = yield self.mock_resource.trigger("GET",
-                "/events?from=s0_1_0&timeout=0", None)
-
-        self.assertEquals(200, code)
-        self.assertEquals({"start": "s0_1_0_0_0", "end": "s0_2_0_0_0", "chunk": [
-            {"type": "m.presence",
-             "content": {
-                 "user_id": "@banana:test",
-                 "presence": ONLINE,
-                 "displayname": "Frank",
-                 "last_active_ago": 0,
-            }},
-        ]}, response)
diff --git a/tests/rest/client/v1/test_rooms.py b/tests/rest/client/v1/test_rooms.py
index ad5dd3bd6e..a90b9dc3d8 100644
--- a/tests/rest/client/v1/test_rooms.py
+++ b/tests/rest/client/v1/test_rooms.py
@@ -953,12 +953,6 @@ class RoomInitialSyncTestCase(RestTestCase):
 
         synapse.rest.client.v1.room.register_servlets(hs, self.mock_resource)
 
-        # Since I'm getting my own presence I need to exist as far as presence
-        # is concerned.
-        hs.get_handlers().presence_handler.registered_user(
-            UserID.from_string(self.user_id)
-        )
-
         # create the room
         self.room_id = yield self.create_room_as(self.user_id)
 
diff --git a/tests/storage/test_presence.py b/tests/storage/test_presence.py
index 333f1e10f1..ec78f007ca 100644
--- a/tests/storage/test_presence.py
+++ b/tests/storage/test_presence.py
@@ -35,32 +35,6 @@ class PresenceStoreTestCase(unittest.TestCase):
         self.u_banana = UserID.from_string("@banana:test")
 
     @defer.inlineCallbacks
-    def test_state(self):
-        yield self.store.create_presence(
-            self.u_apple.localpart
-        )
-
-        state = yield self.store.get_presence_state(
-            self.u_apple.localpart
-        )
-
-        self.assertEquals(
-            {"state": None, "status_msg": None, "mtime": None}, state
-        )
-
-        yield self.store.set_presence_state(
-            self.u_apple.localpart, {"state": "online", "status_msg": "Here"}
-        )
-
-        state = yield self.store.get_presence_state(
-            self.u_apple.localpart
-        )
-
-        self.assertEquals(
-            {"state": "online", "status_msg": "Here", "mtime": 1000000}, state
-        )
-
-    @defer.inlineCallbacks
     def test_visibility(self):
         self.assertFalse((yield self.store.is_presence_visible(
             observed_localpart=self.u_apple.localpart,
diff --git a/tests/util/test_wheel_timer.py b/tests/util/test_wheel_timer.py
new file mode 100644
index 0000000000..c44567e52e
--- /dev/null
+++ b/tests/util/test_wheel_timer.py
@@ -0,0 +1,74 @@
+# -*- coding: utf-8 -*-
+# Copyright 2016 OpenMarket Ltd
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from .. import unittest
+
+from synapse.util.wheel_timer import WheelTimer
+
+
+class WheelTimerTestCase(unittest.TestCase):
+    def test_single_insert_fetch(self):
+        wheel = WheelTimer(bucket_size=5)
+
+        obj = object()
+        wheel.insert(100, obj, 150)
+
+        self.assertListEqual(wheel.fetch(101), [])
+        self.assertListEqual(wheel.fetch(110), [])
+        self.assertListEqual(wheel.fetch(120), [])
+        self.assertListEqual(wheel.fetch(130), [])
+        self.assertListEqual(wheel.fetch(149), [])
+        self.assertListEqual(wheel.fetch(156), [obj])
+        self.assertListEqual(wheel.fetch(170), [])
+
+    def test_mutli_insert(self):
+        wheel = WheelTimer(bucket_size=5)
+
+        obj1 = object()
+        obj2 = object()
+        obj3 = object()
+        wheel.insert(100, obj1, 150)
+        wheel.insert(105, obj2, 130)
+        wheel.insert(106, obj3, 160)
+
+        self.assertListEqual(wheel.fetch(110), [])
+        self.assertListEqual(wheel.fetch(135), [obj2])
+        self.assertListEqual(wheel.fetch(149), [])
+        self.assertListEqual(wheel.fetch(158), [obj1])
+        self.assertListEqual(wheel.fetch(160), [])
+        self.assertListEqual(wheel.fetch(200), [obj3])
+        self.assertListEqual(wheel.fetch(210), [])
+
+    def test_insert_past(self):
+        wheel = WheelTimer(bucket_size=5)
+
+        obj = object()
+        wheel.insert(100, obj, 50)
+        self.assertListEqual(wheel.fetch(120), [obj])
+
+    def test_insert_past_mutli(self):
+        wheel = WheelTimer(bucket_size=5)
+
+        obj1 = object()
+        obj2 = object()
+        obj3 = object()
+        wheel.insert(100, obj1, 150)
+        wheel.insert(100, obj2, 140)
+        wheel.insert(100, obj3, 50)
+        self.assertListEqual(wheel.fetch(110), [obj3])
+        self.assertListEqual(wheel.fetch(120), [])
+        self.assertListEqual(wheel.fetch(147), [obj2])
+        self.assertListEqual(wheel.fetch(200), [obj1])
+        self.assertListEqual(wheel.fetch(240), [])
diff --git a/tests/utils.py b/tests/utils.py
index 3b1eb50d8d..f71125042b 100644
--- a/tests/utils.py
+++ b/tests/utils.py
@@ -224,12 +224,12 @@ class MockClock(object):
     def time_msec(self):
         return self.time() * 1000
 
-    def call_later(self, delay, callback):
+    def call_later(self, delay, callback, *args, **kwargs):
         current_context = LoggingContext.current_context()
 
         def wrapped_callback():
             LoggingContext.thread_local.current_context = current_context
-            callback()
+            callback(*args, **kwargs)
 
         t = [self.now + delay, wrapped_callback, False]
         self.timers.append(t)