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-rw-r--r--tests/storage/test_state.py151
1 files changed, 151 insertions, 0 deletions
diff --git a/tests/storage/test_state.py b/tests/storage/test_state.py
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index 0000000000..acf36e077f
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+++ b/tests/storage/test_state.py
@@ -0,0 +1,151 @@
+# -*- coding: utf-8 -*-
+# Copyright 2018 New Vector 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 twisted.internet import defer
+
+from synapse.api.constants import EventTypes, Membership
+from synapse.types import RoomID, UserID
+
+import tests.unittest
+import tests.utils
+
+
+class StateStoreTestCase(tests.unittest.TestCase):
+    def __init__(self, *args, **kwargs):
+        super(StateStoreTestCase, self).__init__(*args, **kwargs)
+        self.store = None  # type: synapse.storage.DataStore
+
+    @defer.inlineCallbacks
+    def setUp(self):
+        hs = yield tests.utils.setup_test_homeserver()
+
+        self.store = hs.get_datastore()
+        self.event_builder_factory = hs.get_event_builder_factory()
+        self.event_creation_handler = hs.get_event_creation_handler()
+
+        self.u_alice = UserID.from_string("@alice:test")
+        self.u_bob = UserID.from_string("@bob:test")
+
+        # User elsewhere on another host
+        self.u_charlie = UserID.from_string("@charlie:elsewhere")
+
+        self.room = RoomID.from_string("!abc123:test")
+
+        yield self.store.store_room(
+            self.room.to_string(),
+            room_creator_user_id="@creator:text",
+            is_public=True
+        )
+
+    @defer.inlineCallbacks
+    def inject_state_event(self, room, sender, typ, state_key, content):
+        builder = self.event_builder_factory.new({
+            "type": typ,
+            "sender": sender.to_string(),
+            "state_key": state_key,
+            "room_id": room.to_string(),
+            "content": content,
+        })
+
+        event, context = yield self.event_creation_handler.create_new_client_event(
+            builder
+        )
+
+        yield self.store.persist_event(event, context)
+
+        defer.returnValue(event)
+
+    @defer.inlineCallbacks
+    def test_get_state_for_events(self):
+
+        # this defaults to a linear DAG as each new injection defaults to whatever
+        # forward extremities are currently in the DB for this room.
+        (e1, c1) = yield self.inject_state_event(
+            self.room, self.u_alice, EventTypes.Create, '', {},
+        )
+        (e2, c2) = yield self.inject_state_event(
+            self.room, self.u_alice, EventTypes.Name, '', {
+                "name": "test room"
+            },
+        )
+        (e3, c3) = yield self.inject_state_event(
+            self.room, self.u_alice, EventTypes.Member, self.u_alice, {
+                "membership": Membership.JOIN
+            },
+        )
+        (e4, c4) = yield self.inject_state_event(
+            self.room, self.u_bob, EventTypes.Member, self.u_bob, {
+                "membership": Membership.JOIN
+            },
+        )
+        (e5, c5) = yield self.inject_state_event(
+            self.room, self.u_bob, EventTypes.Member, self.u_bob, {
+                "membership": Membership.LEAVE
+            },
+        )
+
+        # check we get the full state as of the final event
+        state = yield self.store.get_state_for_events(
+            e5.event_id, None, filtered_types=None
+        )
+
+        self.assertDictEqual({
+            (e1.type, e1.state_key): e1.event_id,
+            (e2.type, e2.state_key): e2.event_id,
+            (e3.type, e3.state_key): e3.event_id,
+            # e4 is overwritten by e5
+            (e5.type, e5.state_key): e5.event_id,
+        }, state)
+
+        # check we can filter to the m.room.name event (with a '' state key)
+        state = yield self.store.get_state_for_events(
+            e5.event_id, ((EventTypes.Name, '')), filtered_types=None
+        )
+
+        self.assertDictEqual({
+            (e2.type, e2.state_key): e2.event_id,
+        }, state)
+
+        # check we can filter to the m.room.name event (with a wildcard None state key)
+        state = yield self.store.get_state_for_events(
+            e5.event_id, ((EventTypes.Name, None)), filtered_types=None
+        )
+
+        self.assertDictEqual({
+            (e2.type, e2.state_key): e2.event_id,
+        }, state)
+
+        # check we can grab the m.room.member events (with a wildcard None state key)
+        state = yield self.store.get_state_for_events(
+            e5.event_id, ((EventTypes.Member, None)), filtered_types=None
+        )
+
+        self.assertDictEqual({
+            (e3.type, e3.state_key): e3.event_id,
+            (e5.type, e5.state_key): e5.event_id,
+        }, state)
+
+        # check we can use filter_types to grab a specific room member
+        # without filtering out the other event types
+        state = yield self.store.get_state_for_events(
+            e5.event_id, ((EventTypes.Member, self.u_alice)),
+            filtered_types=[EventTypes.Member],
+        )
+
+        self.assertDictEqual({
+            (e1.type, e1.state_key): e3.event_id,
+            (e2.type, e2.state_key): e3.event_id,
+            (e3.type, e3.state_key): e5.event_id,
+        }, state)