Merge branch 'develop' into babolivier/context_filters

tests/rest/client/v1/test_rooms.py

@@ -27,7 +27,9 @@ from twisted.internet import defer
 
 import synapse.rest.admin
 from synapse.api.constants import EventContentFields, EventTypes, Membership
+from synapse.handlers.pagination import PurgeStatus
 from synapse.rest.client.v1 import login, profile, room
+from synapse.util.stringutils import random_string
 
 from tests import unittest
 
@@ -813,6 +815,177 @@ class RoomMessageListTestCase(RoomBase):
         self.assertTrue("chunk" in channel.json_body)
         self.assertTrue("end" in channel.json_body)
 
+    def test_filter_labels(self):
+        """Test that we can filter by a label."""
+        message_filter = json.dumps(
+            {"types": [EventTypes.Message], "org.matrix.labels": ["#fun"]}
+        )
+
+        events = self._test_filter_labels(message_filter)
+
+        self.assertEqual(len(events), 2, [event["content"] for event in events])
+        self.assertEqual(events[0]["content"]["body"], "with right label", events[0])
+        self.assertEqual(events[1]["content"]["body"], "with right label", events[1])
+
+    def test_filter_not_labels(self):
+        """Test that we can filter by the absence of a label."""
+        message_filter = json.dumps(
+            {"types": [EventTypes.Message], "org.matrix.not_labels": ["#fun"]}
+        )
+
+        events = self._test_filter_labels(message_filter)
+
+        self.assertEqual(len(events), 3, [event["content"] for event in events])
+        self.assertEqual(events[0]["content"]["body"], "without label", events[0])
+        self.assertEqual(events[1]["content"]["body"], "with wrong label", events[1])
+        self.assertEqual(
+            events[2]["content"]["body"], "with two wrong labels", events[2]
+        )
+
+    def test_filter_labels_not_labels(self):
+        """Test that we can filter by both a label and the absence of another label."""
+        sync_filter = json.dumps(
+            {
+                "types": [EventTypes.Message],
+                "org.matrix.labels": ["#work"],
+                "org.matrix.not_labels": ["#notfun"],
+            }
+        )
+
+        events = self._test_filter_labels(sync_filter)
+
+        self.assertEqual(len(events), 1, [event["content"] for event in events])
+        self.assertEqual(events[0]["content"]["body"], "with wrong label", events[0])
+
+    def _test_filter_labels(self, message_filter):
+        self.helper.send_event(
+            room_id=self.room_id,
+            type=EventTypes.Message,
+            content={
+                "msgtype": "m.text",
+                "body": "with right label",
+                EventContentFields.LABELS: ["#fun"],
+            },
+        )
+
+        self.helper.send_event(
+            room_id=self.room_id,
+            type=EventTypes.Message,
+            content={"msgtype": "m.text", "body": "without label"},
+        )
+
+        self.helper.send_event(
+            room_id=self.room_id,
+            type=EventTypes.Message,
+            content={
+                "msgtype": "m.text",
+                "body": "with wrong label",
+                EventContentFields.LABELS: ["#work"],
+            },
+        )
+
+        self.helper.send_event(
+            room_id=self.room_id,
+            type=EventTypes.Message,
+            content={
+                "msgtype": "m.text",
+                "body": "with two wrong labels",
+                EventContentFields.LABELS: ["#work", "#notfun"],
+            },
+        )
+
+        self.helper.send_event(
+            room_id=self.room_id,
+            type=EventTypes.Message,
+            content={
+                "msgtype": "m.text",
+                "body": "with right label",
+                EventContentFields.LABELS: ["#fun"],
+            },
+        )
+
+        token = "s0_0_0_0_0_0_0_0_0"
+        request, channel = self.make_request(
+            "GET",
+            "/rooms/%s/messages?access_token=x&from=%s&filter=%s"
+            % (self.room_id, token, message_filter),
+        )
+        self.render(request)
+
+        return channel.json_body["chunk"]
+
+    def test_room_messages_purge(self):
+        store = self.hs.get_datastore()
+        pagination_handler = self.hs.get_pagination_handler()
+
+        # Send a first message in the room, which will be removed by the purge.
+        first_event_id = self.helper.send(self.room_id, "message 1")["event_id"]
+        first_token = self.get_success(
+            store.get_topological_token_for_event(first_event_id)
+        )
+
+        # Send a second message in the room, which won't be removed, and which we'll
+        # use as the marker to purge events before.
+        second_event_id = self.helper.send(self.room_id, "message 2")["event_id"]
+        second_token = self.get_success(
+            store.get_topological_token_for_event(second_event_id)
+        )
+
+        # Send a third event in the room to ensure we don't fall under any edge case
+        # due to our marker being the latest forward extremity in the room.
+        self.helper.send(self.room_id, "message 3")
+
+        # Check that we get the first and second message when querying /messages.
+        request, channel = self.make_request(
+            "GET",
+            "/rooms/%s/messages?access_token=x&from=%s&dir=b&filter=%s"
+            % (self.room_id, second_token, json.dumps({"types": [EventTypes.Message]})),
+        )
+        self.render(request)
+        self.assertEqual(channel.code, 200, channel.json_body)
+
+        chunk = channel.json_body["chunk"]
+        self.assertEqual(len(chunk), 2, [event["content"] for event in chunk])
+
+        # Purge every event before the second event.
+        purge_id = random_string(16)
+        pagination_handler._purges_by_id[purge_id] = PurgeStatus()
+        self.get_success(
+            pagination_handler._purge_history(
+                purge_id=purge_id,
+                room_id=self.room_id,
+                token=second_token,
+                delete_local_events=True,
+            )
+        )
+
+        # Check that we only get the second message through /message now that the first
+        # has been purged.
+        request, channel = self.make_request(
+            "GET",
+            "/rooms/%s/messages?access_token=x&from=%s&dir=b&filter=%s"
+            % (self.room_id, second_token, json.dumps({"types": [EventTypes.Message]})),
+        )
+        self.render(request)
+        self.assertEqual(channel.code, 200, channel.json_body)
+
+        chunk = channel.json_body["chunk"]
+        self.assertEqual(len(chunk), 1, [event["content"] for event in chunk])
+
+        # Check that we get no event, but also no error, when querying /messages with
+        # the token that was pointing at the first event, because we don't have it
+        # anymore.
+        request, channel = self.make_request(
+            "GET",
+            "/rooms/%s/messages?access_token=x&from=%s&dir=b&filter=%s"
+            % (self.room_id, first_token, json.dumps({"types": [EventTypes.Message]})),
+        )
+        self.render(request)
+        self.assertEqual(channel.code, 200, channel.json_body)
+
+        chunk = channel.json_body["chunk"]
+        self.assertEqual(len(chunk), 0, [event["content"] for event in chunk])
+
 
 class RoomSearchTestCase(unittest.HomeserverTestCase):
     servlets = [