692 lines
		
	
	
		
			25 KiB
		
	
	
	
		
			Python
		
	
	
			
		
		
	
	
			692 lines
		
	
	
		
			25 KiB
		
	
	
	
		
			Python
		
	
	
# -*- coding: utf-8 -*-
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# Copyright 2019 New Vector Ltd
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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#     http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import itertools
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import json
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import six
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from synapse.api.constants import EventTypes, RelationTypes
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from synapse.rest import admin
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from synapse.rest.client.v1 import login, room
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from synapse.rest.client.v2_alpha import register, relations
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from tests import unittest
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class RelationsTestCase(unittest.HomeserverTestCase):
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    servlets = [
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        relations.register_servlets,
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        room.register_servlets,
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        login.register_servlets,
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        register.register_servlets,
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        admin.register_servlets_for_client_rest_resource,
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    ]
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    hijack_auth = False
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    def make_homeserver(self, reactor, clock):
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        # We need to enable msc1849 support for aggregations
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        config = self.default_config()
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        config["experimental_msc1849_support_enabled"] = True
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        return self.setup_test_homeserver(config=config)
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    def prepare(self, reactor, clock, hs):
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        self.user_id, self.user_token = self._create_user("alice")
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        self.user2_id, self.user2_token = self._create_user("bob")
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        self.room = self.helper.create_room_as(self.user_id, tok=self.user_token)
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        self.helper.join(self.room, user=self.user2_id, tok=self.user2_token)
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        res = self.helper.send(self.room, body="Hi!", tok=self.user_token)
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        self.parent_id = res["event_id"]
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    def test_send_relation(self):
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        """Tests that sending a relation using the new /send_relation works
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        creates the right shape of event.
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        """
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        channel = self._send_relation(RelationTypes.ANNOTATION, "m.reaction", key="👍")
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        self.assertEquals(200, channel.code, channel.json_body)
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        event_id = channel.json_body["event_id"]
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        request, channel = self.make_request(
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            "GET",
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            "/rooms/%s/event/%s" % (self.room, event_id),
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            access_token=self.user_token,
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        )
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        self.render(request)
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        self.assertEquals(200, channel.code, channel.json_body)
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        self.assert_dict(
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            {
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                "type": "m.reaction",
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                "sender": self.user_id,
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                "content": {
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                    "m.relates_to": {
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                        "event_id": self.parent_id,
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                        "key": "👍",
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                        "rel_type": RelationTypes.ANNOTATION,
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                    }
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                },
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            },
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            channel.json_body,
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        )
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    def test_deny_membership(self):
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        """Test that we deny relations on membership events
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        """
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        channel = self._send_relation(RelationTypes.ANNOTATION, EventTypes.Member)
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        self.assertEquals(400, channel.code, channel.json_body)
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    def test_deny_double_react(self):
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        """Test that we deny relations on membership events
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        """
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        channel = self._send_relation(RelationTypes.ANNOTATION, "m.reaction", key="a")
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        self.assertEquals(200, channel.code, channel.json_body)
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        channel = self._send_relation(RelationTypes.ANNOTATION, "m.reaction", "a")
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        self.assertEquals(400, channel.code, channel.json_body)
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    def test_basic_paginate_relations(self):
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        """Tests that calling pagination API corectly the latest relations.
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        """
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        channel = self._send_relation(RelationTypes.ANNOTATION, "m.reaction")
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        self.assertEquals(200, channel.code, channel.json_body)
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        channel = self._send_relation(RelationTypes.ANNOTATION, "m.reaction")
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        self.assertEquals(200, channel.code, channel.json_body)
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        annotation_id = channel.json_body["event_id"]
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        request, channel = self.make_request(
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            "GET",
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            "/_matrix/client/unstable/rooms/%s/relations/%s?limit=1"
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            % (self.room, self.parent_id),
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            access_token=self.user_token,
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        )
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        self.render(request)
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        self.assertEquals(200, channel.code, channel.json_body)
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        # We expect to get back a single pagination result, which is the full
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        # relation event we sent above.
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        self.assertEquals(len(channel.json_body["chunk"]), 1, channel.json_body)
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        self.assert_dict(
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            {"event_id": annotation_id, "sender": self.user_id, "type": "m.reaction"},
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            channel.json_body["chunk"][0],
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        )
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        # We also expect to get the original event (the id of which is self.parent_id)
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        self.assertEquals(
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            channel.json_body["original_event"]["event_id"], self.parent_id
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        )
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        # Make sure next_batch has something in it that looks like it could be a
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        # valid token.
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        self.assertIsInstance(
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            channel.json_body.get("next_batch"), six.string_types, channel.json_body
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        )
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    def test_repeated_paginate_relations(self):
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        """Test that if we paginate using a limit and tokens then we get the
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        expected events.
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        """
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        expected_event_ids = []
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        for _ in range(10):
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            channel = self._send_relation(RelationTypes.ANNOTATION, "m.reaction")
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            self.assertEquals(200, channel.code, channel.json_body)
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            expected_event_ids.append(channel.json_body["event_id"])
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        prev_token = None
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        found_event_ids = []
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        for _ in range(20):
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            from_token = ""
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            if prev_token:
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                from_token = "&from=" + prev_token
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            request, channel = self.make_request(
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                "GET",
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                "/_matrix/client/unstable/rooms/%s/relations/%s?limit=1%s"
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                % (self.room, self.parent_id, from_token),
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                access_token=self.user_token,
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            )
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            self.render(request)
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            self.assertEquals(200, channel.code, channel.json_body)
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            found_event_ids.extend(e["event_id"] for e in channel.json_body["chunk"])
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            next_batch = channel.json_body.get("next_batch")
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            self.assertNotEquals(prev_token, next_batch)
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            prev_token = next_batch
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            if not prev_token:
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                break
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        # We paginated backwards, so reverse
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        found_event_ids.reverse()
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        self.assertEquals(found_event_ids, expected_event_ids)
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    def test_aggregation_pagination_groups(self):
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        """Test that we can paginate annotation groups correctly.
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        """
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        # We need to create ten separate users to send each reaction.
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        access_tokens = [self.user_token, self.user2_token]
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        idx = 0
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        while len(access_tokens) < 10:
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            user_id, token = self._create_user("test" + str(idx))
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            idx += 1
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            self.helper.join(self.room, user=user_id, tok=token)
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            access_tokens.append(token)
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        idx = 0
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        sent_groups = {"👍": 10, "a": 7, "b": 5, "c": 3, "d": 2, "e": 1}
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        for key in itertools.chain.from_iterable(
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            itertools.repeat(key, num) for key, num in sent_groups.items()
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        ):
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            channel = self._send_relation(
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                RelationTypes.ANNOTATION,
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                "m.reaction",
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                key=key,
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                access_token=access_tokens[idx],
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            )
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            self.assertEquals(200, channel.code, channel.json_body)
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            idx += 1
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            idx %= len(access_tokens)
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        prev_token = None
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        found_groups = {}
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        for _ in range(20):
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            from_token = ""
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            if prev_token:
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                from_token = "&from=" + prev_token
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            request, channel = self.make_request(
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                "GET",
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                "/_matrix/client/unstable/rooms/%s/aggregations/%s?limit=1%s"
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                % (self.room, self.parent_id, from_token),
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                access_token=self.user_token,
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            )
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            self.render(request)
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            self.assertEquals(200, channel.code, channel.json_body)
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            self.assertEqual(len(channel.json_body["chunk"]), 1, channel.json_body)
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            for groups in channel.json_body["chunk"]:
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                # We only expect reactions
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                self.assertEqual(groups["type"], "m.reaction", channel.json_body)
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                # We should only see each key once
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                self.assertNotIn(groups["key"], found_groups, channel.json_body)
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                found_groups[groups["key"]] = groups["count"]
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            next_batch = channel.json_body.get("next_batch")
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            self.assertNotEquals(prev_token, next_batch)
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            prev_token = next_batch
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            if not prev_token:
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                break
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        self.assertEquals(sent_groups, found_groups)
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    def test_aggregation_pagination_within_group(self):
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        """Test that we can paginate within an annotation group.
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        """
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        # We need to create ten separate users to send each reaction.
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        access_tokens = [self.user_token, self.user2_token]
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        idx = 0
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        while len(access_tokens) < 10:
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            user_id, token = self._create_user("test" + str(idx))
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            idx += 1
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            self.helper.join(self.room, user=user_id, tok=token)
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            access_tokens.append(token)
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        idx = 0
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        expected_event_ids = []
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        for _ in range(10):
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            channel = self._send_relation(
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                RelationTypes.ANNOTATION,
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                "m.reaction",
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                key="👍",
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                access_token=access_tokens[idx],
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            )
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            self.assertEquals(200, channel.code, channel.json_body)
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            expected_event_ids.append(channel.json_body["event_id"])
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            idx += 1
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        # Also send a different type of reaction so that we test we don't see it
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        channel = self._send_relation(RelationTypes.ANNOTATION, "m.reaction", key="a")
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        self.assertEquals(200, channel.code, channel.json_body)
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        prev_token = None
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        found_event_ids = []
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        encoded_key = six.moves.urllib.parse.quote_plus("👍".encode("utf-8"))
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        for _ in range(20):
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            from_token = ""
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            if prev_token:
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                from_token = "&from=" + prev_token
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            request, channel = self.make_request(
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                "GET",
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                "/_matrix/client/unstable/rooms/%s"
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                "/aggregations/%s/%s/m.reaction/%s?limit=1%s"
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                % (
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                    self.room,
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                    self.parent_id,
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                    RelationTypes.ANNOTATION,
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                    encoded_key,
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                    from_token,
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                ),
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                access_token=self.user_token,
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            )
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            self.render(request)
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            self.assertEquals(200, channel.code, channel.json_body)
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            self.assertEqual(len(channel.json_body["chunk"]), 1, channel.json_body)
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            found_event_ids.extend(e["event_id"] for e in channel.json_body["chunk"])
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            next_batch = channel.json_body.get("next_batch")
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            self.assertNotEquals(prev_token, next_batch)
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            prev_token = next_batch
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            if not prev_token:
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                break
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        # We paginated backwards, so reverse
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        found_event_ids.reverse()
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        self.assertEquals(found_event_ids, expected_event_ids)
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    def test_aggregation(self):
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        """Test that annotations get correctly aggregated.
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        """
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        channel = self._send_relation(RelationTypes.ANNOTATION, "m.reaction", "a")
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        self.assertEquals(200, channel.code, channel.json_body)
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        channel = self._send_relation(
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            RelationTypes.ANNOTATION, "m.reaction", "a", access_token=self.user2_token
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        )
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        self.assertEquals(200, channel.code, channel.json_body)
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        channel = self._send_relation(RelationTypes.ANNOTATION, "m.reaction", "b")
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        self.assertEquals(200, channel.code, channel.json_body)
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        request, channel = self.make_request(
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            "GET",
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            "/_matrix/client/unstable/rooms/%s/aggregations/%s"
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            % (self.room, self.parent_id),
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            access_token=self.user_token,
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        )
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        self.render(request)
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        self.assertEquals(200, channel.code, channel.json_body)
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        self.assertEquals(
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            channel.json_body,
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            {
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                "chunk": [
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                    {"type": "m.reaction", "key": "a", "count": 2},
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                    {"type": "m.reaction", "key": "b", "count": 1},
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                ]
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            },
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        )
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    def test_aggregation_redactions(self):
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        """Test that annotations get correctly aggregated after a redaction.
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        """
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        channel = self._send_relation(RelationTypes.ANNOTATION, "m.reaction", "a")
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        self.assertEquals(200, channel.code, channel.json_body)
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        to_redact_event_id = channel.json_body["event_id"]
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        channel = self._send_relation(
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            RelationTypes.ANNOTATION, "m.reaction", "a", access_token=self.user2_token
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        )
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        self.assertEquals(200, channel.code, channel.json_body)
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        # Now lets redact one of the 'a' reactions
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        request, channel = self.make_request(
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            "POST",
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            "/_matrix/client/r0/rooms/%s/redact/%s" % (self.room, to_redact_event_id),
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            access_token=self.user_token,
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            content={},
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        )
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        self.render(request)
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        self.assertEquals(200, channel.code, channel.json_body)
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        request, channel = self.make_request(
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            "GET",
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            "/_matrix/client/unstable/rooms/%s/aggregations/%s"
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            % (self.room, self.parent_id),
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            access_token=self.user_token,
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        )
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        self.render(request)
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        self.assertEquals(200, channel.code, channel.json_body)
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        self.assertEquals(
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            channel.json_body,
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            {"chunk": [{"type": "m.reaction", "key": "a", "count": 1}]},
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        )
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    def test_aggregation_must_be_annotation(self):
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        """Test that aggregations must be annotations.
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        """
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        request, channel = self.make_request(
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            "GET",
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            "/_matrix/client/unstable/rooms/%s/aggregations/%s/%s?limit=1"
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            % (self.room, self.parent_id, RelationTypes.REPLACE),
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            access_token=self.user_token,
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        )
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        self.render(request)
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        self.assertEquals(400, channel.code, channel.json_body)
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    def test_aggregation_get_event(self):
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        """Test that annotations and references get correctly bundled when
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        getting the parent event.
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        """
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        channel = self._send_relation(RelationTypes.ANNOTATION, "m.reaction", "a")
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        self.assertEquals(200, channel.code, channel.json_body)
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        channel = self._send_relation(
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            RelationTypes.ANNOTATION, "m.reaction", "a", access_token=self.user2_token
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        )
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        self.assertEquals(200, channel.code, channel.json_body)
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        channel = self._send_relation(RelationTypes.ANNOTATION, "m.reaction", "b")
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        self.assertEquals(200, channel.code, channel.json_body)
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        channel = self._send_relation(RelationTypes.REFERENCE, "m.room.test")
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        self.assertEquals(200, channel.code, channel.json_body)
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        reply_1 = channel.json_body["event_id"]
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        channel = self._send_relation(RelationTypes.REFERENCE, "m.room.test")
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        self.assertEquals(200, channel.code, channel.json_body)
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        reply_2 = channel.json_body["event_id"]
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        request, channel = self.make_request(
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						|
            "GET",
 | 
						|
            "/rooms/%s/event/%s" % (self.room, self.parent_id),
 | 
						|
            access_token=self.user_token,
 | 
						|
        )
 | 
						|
        self.render(request)
 | 
						|
        self.assertEquals(200, channel.code, channel.json_body)
 | 
						|
 | 
						|
        self.assertEquals(
 | 
						|
            channel.json_body["unsigned"].get("m.relations"),
 | 
						|
            {
 | 
						|
                RelationTypes.ANNOTATION: {
 | 
						|
                    "chunk": [
 | 
						|
                        {"type": "m.reaction", "key": "a", "count": 2},
 | 
						|
                        {"type": "m.reaction", "key": "b", "count": 1},
 | 
						|
                    ]
 | 
						|
                },
 | 
						|
                RelationTypes.REFERENCE: {
 | 
						|
                    "chunk": [{"event_id": reply_1}, {"event_id": reply_2}]
 | 
						|
                },
 | 
						|
            },
 | 
						|
        )
 | 
						|
 | 
						|
    def test_edit(self):
 | 
						|
        """Test that a simple edit works.
 | 
						|
        """
 | 
						|
 | 
						|
        new_body = {"msgtype": "m.text", "body": "I've been edited!"}
 | 
						|
        channel = self._send_relation(
 | 
						|
            RelationTypes.REPLACE,
 | 
						|
            "m.room.message",
 | 
						|
            content={"msgtype": "m.text", "body": "foo", "m.new_content": new_body},
 | 
						|
        )
 | 
						|
        self.assertEquals(200, channel.code, channel.json_body)
 | 
						|
 | 
						|
        edit_event_id = channel.json_body["event_id"]
 | 
						|
 | 
						|
        request, channel = self.make_request(
 | 
						|
            "GET",
 | 
						|
            "/rooms/%s/event/%s" % (self.room, self.parent_id),
 | 
						|
            access_token=self.user_token,
 | 
						|
        )
 | 
						|
        self.render(request)
 | 
						|
        self.assertEquals(200, channel.code, channel.json_body)
 | 
						|
 | 
						|
        self.assertEquals(channel.json_body["content"], new_body)
 | 
						|
 | 
						|
        relations_dict = channel.json_body["unsigned"].get("m.relations")
 | 
						|
        self.assertIn(RelationTypes.REPLACE, relations_dict)
 | 
						|
 | 
						|
        m_replace_dict = relations_dict[RelationTypes.REPLACE]
 | 
						|
        for key in ["event_id", "sender", "origin_server_ts"]:
 | 
						|
            self.assertIn(key, m_replace_dict)
 | 
						|
 | 
						|
        self.assert_dict(
 | 
						|
            {"event_id": edit_event_id, "sender": self.user_id}, m_replace_dict
 | 
						|
        )
 | 
						|
 | 
						|
    def test_multi_edit(self):
 | 
						|
        """Test that multiple edits, including attempts by people who
 | 
						|
        shouldn't be allowed, are correctly handled.
 | 
						|
        """
 | 
						|
 | 
						|
        channel = self._send_relation(
 | 
						|
            RelationTypes.REPLACE,
 | 
						|
            "m.room.message",
 | 
						|
            content={
 | 
						|
                "msgtype": "m.text",
 | 
						|
                "body": "Wibble",
 | 
						|
                "m.new_content": {"msgtype": "m.text", "body": "First edit"},
 | 
						|
            },
 | 
						|
        )
 | 
						|
        self.assertEquals(200, channel.code, channel.json_body)
 | 
						|
 | 
						|
        new_body = {"msgtype": "m.text", "body": "I've been edited!"}
 | 
						|
        channel = self._send_relation(
 | 
						|
            RelationTypes.REPLACE,
 | 
						|
            "m.room.message",
 | 
						|
            content={"msgtype": "m.text", "body": "foo", "m.new_content": new_body},
 | 
						|
        )
 | 
						|
        self.assertEquals(200, channel.code, channel.json_body)
 | 
						|
 | 
						|
        edit_event_id = channel.json_body["event_id"]
 | 
						|
 | 
						|
        channel = self._send_relation(
 | 
						|
            RelationTypes.REPLACE,
 | 
						|
            "m.room.message.WRONG_TYPE",
 | 
						|
            content={
 | 
						|
                "msgtype": "m.text",
 | 
						|
                "body": "Wibble",
 | 
						|
                "m.new_content": {"msgtype": "m.text", "body": "Edit, but wrong type"},
 | 
						|
            },
 | 
						|
        )
 | 
						|
        self.assertEquals(200, channel.code, channel.json_body)
 | 
						|
 | 
						|
        request, channel = self.make_request(
 | 
						|
            "GET",
 | 
						|
            "/rooms/%s/event/%s" % (self.room, self.parent_id),
 | 
						|
            access_token=self.user_token,
 | 
						|
        )
 | 
						|
        self.render(request)
 | 
						|
        self.assertEquals(200, channel.code, channel.json_body)
 | 
						|
 | 
						|
        self.assertEquals(channel.json_body["content"], new_body)
 | 
						|
 | 
						|
        relations_dict = channel.json_body["unsigned"].get("m.relations")
 | 
						|
        self.assertIn(RelationTypes.REPLACE, relations_dict)
 | 
						|
 | 
						|
        m_replace_dict = relations_dict[RelationTypes.REPLACE]
 | 
						|
        for key in ["event_id", "sender", "origin_server_ts"]:
 | 
						|
            self.assertIn(key, m_replace_dict)
 | 
						|
 | 
						|
        self.assert_dict(
 | 
						|
            {"event_id": edit_event_id, "sender": self.user_id}, m_replace_dict
 | 
						|
        )
 | 
						|
 | 
						|
    def test_relations_redaction_redacts_edits(self):
 | 
						|
        """Test that edits of an event are redacted when the original event
 | 
						|
        is redacted.
 | 
						|
        """
 | 
						|
        # Send a new event
 | 
						|
        res = self.helper.send(self.room, body="Heyo!", tok=self.user_token)
 | 
						|
        original_event_id = res["event_id"]
 | 
						|
 | 
						|
        # Add a relation
 | 
						|
        channel = self._send_relation(
 | 
						|
            RelationTypes.REPLACE,
 | 
						|
            "m.room.message",
 | 
						|
            parent_id=original_event_id,
 | 
						|
            content={
 | 
						|
                "msgtype": "m.text",
 | 
						|
                "body": "Wibble",
 | 
						|
                "m.new_content": {"msgtype": "m.text", "body": "First edit"},
 | 
						|
            },
 | 
						|
        )
 | 
						|
        self.assertEquals(200, channel.code, channel.json_body)
 | 
						|
 | 
						|
        # Check the relation is returned
 | 
						|
        request, channel = self.make_request(
 | 
						|
            "GET",
 | 
						|
            "/_matrix/client/unstable/rooms/%s/relations/%s/m.replace/m.room.message"
 | 
						|
            % (self.room, original_event_id),
 | 
						|
            access_token=self.user_token,
 | 
						|
        )
 | 
						|
        self.render(request)
 | 
						|
        self.assertEquals(200, channel.code, channel.json_body)
 | 
						|
 | 
						|
        self.assertIn("chunk", channel.json_body)
 | 
						|
        self.assertEquals(len(channel.json_body["chunk"]), 1)
 | 
						|
 | 
						|
        # Redact the original event
 | 
						|
        request, channel = self.make_request(
 | 
						|
            "PUT",
 | 
						|
            "/rooms/%s/redact/%s/%s"
 | 
						|
            % (self.room, original_event_id, "test_relations_redaction_redacts_edits"),
 | 
						|
            access_token=self.user_token,
 | 
						|
            content="{}",
 | 
						|
        )
 | 
						|
        self.render(request)
 | 
						|
        self.assertEquals(200, channel.code, channel.json_body)
 | 
						|
 | 
						|
        # Try to check for remaining m.replace relations
 | 
						|
        request, channel = self.make_request(
 | 
						|
            "GET",
 | 
						|
            "/_matrix/client/unstable/rooms/%s/relations/%s/m.replace/m.room.message"
 | 
						|
            % (self.room, original_event_id),
 | 
						|
            access_token=self.user_token,
 | 
						|
        )
 | 
						|
        self.render(request)
 | 
						|
        self.assertEquals(200, channel.code, channel.json_body)
 | 
						|
 | 
						|
        # Check that no relations are returned
 | 
						|
        self.assertIn("chunk", channel.json_body)
 | 
						|
        self.assertEquals(channel.json_body["chunk"], [])
 | 
						|
 | 
						|
    def test_aggregations_redaction_prevents_access_to_aggregations(self):
 | 
						|
        """Test that annotations of an event are redacted when the original event
 | 
						|
        is redacted.
 | 
						|
        """
 | 
						|
        # Send a new event
 | 
						|
        res = self.helper.send(self.room, body="Hello!", tok=self.user_token)
 | 
						|
        original_event_id = res["event_id"]
 | 
						|
 | 
						|
        # Add a relation
 | 
						|
        channel = self._send_relation(
 | 
						|
            RelationTypes.ANNOTATION, "m.reaction", key="👍", parent_id=original_event_id
 | 
						|
        )
 | 
						|
        self.assertEquals(200, channel.code, channel.json_body)
 | 
						|
 | 
						|
        # Redact the original
 | 
						|
        request, channel = self.make_request(
 | 
						|
            "PUT",
 | 
						|
            "/rooms/%s/redact/%s/%s"
 | 
						|
            % (
 | 
						|
                self.room,
 | 
						|
                original_event_id,
 | 
						|
                "test_aggregations_redaction_prevents_access_to_aggregations",
 | 
						|
            ),
 | 
						|
            access_token=self.user_token,
 | 
						|
            content="{}",
 | 
						|
        )
 | 
						|
        self.render(request)
 | 
						|
        self.assertEquals(200, channel.code, channel.json_body)
 | 
						|
 | 
						|
        # Check that aggregations returns zero
 | 
						|
        request, channel = self.make_request(
 | 
						|
            "GET",
 | 
						|
            "/_matrix/client/unstable/rooms/%s/aggregations/%s/m.annotation/m.reaction"
 | 
						|
            % (self.room, original_event_id),
 | 
						|
            access_token=self.user_token,
 | 
						|
        )
 | 
						|
        self.render(request)
 | 
						|
        self.assertEquals(200, channel.code, channel.json_body)
 | 
						|
 | 
						|
        self.assertIn("chunk", channel.json_body)
 | 
						|
        self.assertEquals(channel.json_body["chunk"], [])
 | 
						|
 | 
						|
    def _send_relation(
 | 
						|
        self,
 | 
						|
        relation_type,
 | 
						|
        event_type,
 | 
						|
        key=None,
 | 
						|
        content={},
 | 
						|
        access_token=None,
 | 
						|
        parent_id=None,
 | 
						|
    ):
 | 
						|
        """Helper function to send a relation pointing at `self.parent_id`
 | 
						|
 | 
						|
        Args:
 | 
						|
            relation_type (str): One of `RelationTypes`
 | 
						|
            event_type (str): The type of the event to create
 | 
						|
            parent_id (str): The event_id this relation relates to. If None, then self.parent_id
 | 
						|
            key (str|None): The aggregation key used for m.annotation relation
 | 
						|
                type.
 | 
						|
            content(dict|None): The content of the created event.
 | 
						|
            access_token (str|None): The access token used to send the relation,
 | 
						|
                defaults to `self.user_token`
 | 
						|
 | 
						|
        Returns:
 | 
						|
            FakeChannel
 | 
						|
        """
 | 
						|
        if not access_token:
 | 
						|
            access_token = self.user_token
 | 
						|
 | 
						|
        query = ""
 | 
						|
        if key:
 | 
						|
            query = "?key=" + six.moves.urllib.parse.quote_plus(key.encode("utf-8"))
 | 
						|
 | 
						|
        original_id = parent_id if parent_id else self.parent_id
 | 
						|
 | 
						|
        request, channel = self.make_request(
 | 
						|
            "POST",
 | 
						|
            "/_matrix/client/unstable/rooms/%s/send_relation/%s/%s/%s%s"
 | 
						|
            % (self.room, original_id, relation_type, event_type, query),
 | 
						|
            json.dumps(content).encode("utf-8"),
 | 
						|
            access_token=access_token,
 | 
						|
        )
 | 
						|
        self.render(request)
 | 
						|
        return channel
 | 
						|
 | 
						|
    def _create_user(self, localpart):
 | 
						|
        user_id = self.register_user(localpart, "abc123")
 | 
						|
        access_token = self.login(localpart, "abc123")
 | 
						|
 | 
						|
        return user_id, access_token
 |