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	We create an unnamed user group with just the group creator as it's member when trying to set the default. The pattern I've followed across most of the acting_user additions is to just put the user declared somewhere before the check_add_user_group and see if the test passes. If it does not, then I'll look at what kind of user it needs to be set to `acting_user`.
		
			
				
	
	
		
			1829 lines
		
	
	
		
			72 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			1829 lines
		
	
	
		
			72 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
from datetime import timedelta
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from operator import itemgetter
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from unittest import mock
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import orjson
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from django.utils.timezone import now as timezone_now
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from zerver.actions.message_edit import get_mentions_for_message_updates
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from zerver.actions.realm_settings import do_change_realm_plan_type, do_set_realm_property
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from zerver.actions.streams import do_deactivate_stream
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from zerver.actions.user_groups import add_subgroups_to_user_group, check_add_user_group
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from zerver.actions.user_topics import do_set_user_topic_visibility_policy
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from zerver.lib.message import messages_for_ids
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from zerver.lib.message_cache import MessageDict
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from zerver.lib.test_classes import ZulipTestCase
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from zerver.lib.test_helpers import queries_captured
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from zerver.lib.topic import TOPIC_NAME
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from zerver.lib.utils import assert_is_not_none
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from zerver.models import Attachment, Message, NamedUserGroup, Realm, UserProfile, UserTopic
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from zerver.models.groups import SystemGroups
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from zerver.models.realms import EditTopicPolicyEnum, WildcardMentionPolicyEnum, get_realm
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from zerver.models.streams import get_stream
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class EditMessageTest(ZulipTestCase):
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    def check_message(self, msg_id: int, topic_name: str, content: str) -> None:
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        # Make sure we saved the message correctly to the DB.
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        msg = Message.objects.select_related("realm").get(id=msg_id)
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        self.assertEqual(msg.topic_name(), topic_name)
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        self.assertEqual(msg.content, content)
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        """
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        We assume our caller just edited a message.
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        Next, we will make sure we properly cached the messages.  We still have
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        to do a query to hydrate recipient info, but we won't need to hit the
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        zerver_message table.
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        """
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        with queries_captured(keep_cache_warm=True) as queries:
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            (fetch_message_dict,) = messages_for_ids(
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                message_ids=[msg.id],
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                user_message_flags={msg_id: []},
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                search_fields={},
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                apply_markdown=False,
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                client_gravatar=False,
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                allow_edit_history=True,
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                user_profile=None,
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                realm=msg.realm,
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            )
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        self.assert_length(queries, 1)
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        for query in queries:
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            self.assertNotIn("message", query.sql)
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        self.assertEqual(
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            fetch_message_dict[TOPIC_NAME],
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            msg.topic_name(),
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        )
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        self.assertEqual(
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            fetch_message_dict["content"],
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            msg.content,
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        )
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        self.assertEqual(
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            fetch_message_dict["sender_id"],
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            msg.sender_id,
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        )
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        if msg.edit_history:
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            message_edit_history = orjson.loads(msg.edit_history)
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            for item in message_edit_history:
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                if "prev_rendered_content_version" in item:
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                    del item["prev_rendered_content_version"]
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            self.assertEqual(
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                fetch_message_dict["edit_history"],
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                message_edit_history,
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            )
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    def test_edit_message_no_changes(self) -> None:
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        self.login("hamlet")
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        msg_id = self.send_stream_message(
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            self.example_user("hamlet"), "Denmark", topic_name="editing", content="before edit"
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        )
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        result = self.client_patch(
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            "/json/messages/" + str(msg_id),
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            {},
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        )
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        self.assert_json_error(result, "Nothing to change")
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    # Right now, we prevent users from editing widgets.
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    def test_edit_submessage(self) -> None:
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        self.login("hamlet")
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        msg_id = self.send_stream_message(
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            self.example_user("hamlet"),
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            "Denmark",
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            topic_name="editing",
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            content="/poll Games?\nYES\nNO",
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        )
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        result = self.client_patch(
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            "/json/messages/" + str(msg_id),
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            {
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                "content": "/poll Games?\nYES\nNO\nMaybe",
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            },
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        )
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        self.assert_json_error(result, "Widgets cannot be edited.")
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    def test_query_count_on_messages_to_encoded_cache(self) -> None:
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        # `messages_to_encoded_cache` method is used by the mechanisms
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        # tested in this class. Hence, its performance is tested here.
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        # Generate 2 messages
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        user = self.example_user("hamlet")
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        realm = user.realm
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        self.login_user(user)
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        stream_name = "public_stream"
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        self.subscribe(user, stream_name)
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        message_ids = []
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        message_ids.append(self.send_stream_message(user, stream_name, "Message one"))
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        user_2 = self.example_user("cordelia")
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        self.subscribe(user_2, stream_name)
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        message_ids.append(self.send_stream_message(user_2, stream_name, "Message two"))
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        self.subscribe(self.notification_bot(realm), stream_name)
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        message_ids.append(
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            self.send_stream_message(self.notification_bot(realm), stream_name, "Message three")
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        )
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        messages = [
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            Message.objects.select_related(*Message.DEFAULT_SELECT_RELATED).get(id=message_id)
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            for message_id in message_ids
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        ]
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        # Check number of queries performed
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        # 1 query for realm_id per message = 3
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        # 1 query each for reactions & submessage for all messages = 2
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        # 1 query for linkifiers
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        # 1 query for display recipients
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        with self.assert_database_query_count(7):
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            MessageDict.messages_to_encoded_cache(messages)
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        realm_id = 2  # Fetched from stream object
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        # Check number of queries performed with realm_id
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        with self.assert_database_query_count(3):
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            MessageDict.messages_to_encoded_cache(messages, realm_id)
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    def test_save_message(self) -> None:
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        """This is also tested by a client test, but here we can verify
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        the cache against the database"""
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        self.login("hamlet")
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        msg_id = self.send_stream_message(
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            self.example_user("hamlet"), "Denmark", topic_name="editing", content="before edit"
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        )
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        result = self.client_patch(
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            f"/json/messages/{msg_id}",
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            {
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                "content": "after edit",
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            },
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        )
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        self.assert_json_success(result)
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        self.check_message(msg_id, topic_name="editing", content="after edit")
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        result = self.client_patch(
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            f"/json/messages/{msg_id}",
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            {
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                "topic": "edited",
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            },
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        )
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        self.assert_json_success(result)
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        self.assertEqual(Message.objects.get(id=msg_id).topic_name(), "edited")
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    def test_fetch_message_from_id(self) -> None:
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        self.login("hamlet")
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        msg_id = self.send_personal_message(
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            from_user=self.example_user("hamlet"),
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            to_user=self.example_user("cordelia"),
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            content="Personal message",
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        )
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        result = self.client_get("/json/messages/" + str(msg_id))
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        response_dict = self.assert_json_success(result)
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        self.assertEqual(response_dict["raw_content"], "Personal message")
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        self.assertEqual(response_dict["message"]["id"], msg_id)
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        self.assertEqual(response_dict["message"]["flags"], ["read"])
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        # Send message to web-public stream where hamlet is not subscribed.
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        # This will test case of user having no `UserMessage` but having access
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        # to message.
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        web_public_stream = self.make_stream("web-public-stream", is_web_public=True)
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        self.subscribe(self.example_user("cordelia"), web_public_stream.name)
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        web_public_stream_msg_id = self.send_stream_message(
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            self.example_user("cordelia"), web_public_stream.name, content="web-public message"
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        )
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        result = self.client_get("/json/messages/" + str(web_public_stream_msg_id))
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        response_dict = self.assert_json_success(result)
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        self.assertEqual(response_dict["raw_content"], "web-public message")
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        self.assertEqual(response_dict["message"]["id"], web_public_stream_msg_id)
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        self.assertEqual(response_dict["message"]["flags"], ["read", "historical"])
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        # Spectator should be able to fetch message in web-public stream.
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        self.logout()
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        result = self.client_get("/json/messages/" + str(web_public_stream_msg_id))
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        response_dict = self.assert_json_success(result)
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        self.assertEqual(response_dict["raw_content"], "web-public message")
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        self.assertEqual(response_dict["message"]["id"], web_public_stream_msg_id)
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        # Verify default is apply_markdown=True
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        self.assertEqual(response_dict["message"]["content"], "<p>web-public message</p>")
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        # Verify apply_markdown=False works correctly.
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        result = self.client_get(
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            "/json/messages/" + str(web_public_stream_msg_id), {"apply_markdown": "false"}
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        )
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        response_dict = self.assert_json_success(result)
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        self.assertEqual(response_dict["raw_content"], "web-public message")
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        self.assertEqual(response_dict["message"]["content"], "web-public message")
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        with self.settings(WEB_PUBLIC_STREAMS_ENABLED=False):
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            result = self.client_get("/json/messages/" + str(web_public_stream_msg_id))
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        self.assert_json_error(
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            result, "Not logged in: API authentication or user session required", status_code=401
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        )
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        # Test error cases
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        self.login("hamlet")
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        result = self.client_get("/json/messages/999999")
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        self.assert_json_error(result, "Invalid message(s)")
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        self.login("cordelia")
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        result = self.client_get(f"/json/messages/{msg_id}")
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        self.assert_json_success(result)
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        self.login("othello")
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        result = self.client_get(f"/json/messages/{msg_id}")
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        self.assert_json_error(result, "Invalid message(s)")
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    def test_fetch_raw_message_spectator(self) -> None:
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        user_profile = self.example_user("iago")
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        self.login("iago")
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        web_public_stream = self.make_stream("web-public-stream", is_web_public=True)
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        self.subscribe(user_profile, web_public_stream.name)
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        web_public_stream_msg_id = self.send_stream_message(
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            user_profile, web_public_stream.name, content="web-public message"
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        )
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        non_web_public_stream = self.make_stream("non-web-public-stream")
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        self.subscribe(user_profile, non_web_public_stream.name)
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        non_web_public_stream_msg_id = self.send_stream_message(
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            user_profile, non_web_public_stream.name, content="non-web-public message"
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        )
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        # Generate a direct message to use in verification.
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        private_message_id = self.send_personal_message(user_profile, user_profile)
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        invalid_message_id = private_message_id + 1000
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        self.logout()
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        # Confirm WEB_PUBLIC_STREAMS_ENABLED is enforced.
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        with self.settings(WEB_PUBLIC_STREAMS_ENABLED=False):
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            result = self.client_get("/json/messages/" + str(web_public_stream_msg_id))
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        self.assert_json_error(
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            result, "Not logged in: API authentication or user session required", 401
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        )
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        do_set_realm_property(
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            user_profile.realm, "enable_spectator_access", False, acting_user=None
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        )
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        result = self.client_get("/json/messages/" + str(web_public_stream_msg_id))
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        self.assert_json_error(
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            result, "Not logged in: API authentication or user session required", 401
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        )
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        do_set_realm_property(user_profile.realm, "enable_spectator_access", True, acting_user=None)
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        # Verify success with web-public stream and default SELF_HOSTED plan type.
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        result = self.client_get("/json/messages/" + str(web_public_stream_msg_id))
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        response_dict = self.assert_json_success(result)
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        self.assertEqual(response_dict["raw_content"], "web-public message")
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        self.assertEqual(response_dict["message"]["flags"], ["read"])
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        # Verify LIMITED plan type does not allow web-public access.
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        do_change_realm_plan_type(user_profile.realm, Realm.PLAN_TYPE_LIMITED, acting_user=None)
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        result = self.client_get("/json/messages/" + str(web_public_stream_msg_id))
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        self.assert_json_error(
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            result, "Not logged in: API authentication or user session required", 401
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        )
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        do_set_realm_property(user_profile.realm, "enable_spectator_access", True, acting_user=None)
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        result = self.client_get("/json/messages/" + str(web_public_stream_msg_id))
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        self.assert_json_error(
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            result, "Not logged in: API authentication or user session required", 401
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        )
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        # Verify works with STANDARD_FREE plan type too.
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        do_change_realm_plan_type(
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            user_profile.realm, Realm.PLAN_TYPE_STANDARD_FREE, acting_user=None
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        )
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        result = self.client_get("/json/messages/" + str(web_public_stream_msg_id))
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        response_dict = self.assert_json_success(result)
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        self.assertEqual(response_dict["raw_content"], "web-public message")
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 | 
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        # Verify direct messages are rejected.
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        result = self.client_get("/json/messages/" + str(private_message_id))
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        self.assert_json_error(
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            result, "Not logged in: API authentication or user session required", 401
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        )
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 | 
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        # Verify an actual public stream is required.
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        result = self.client_get("/json/messages/" + str(non_web_public_stream_msg_id))
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						|
        self.assert_json_error(
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            result, "Not logged in: API authentication or user session required", 401
 | 
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        )
 | 
						|
 | 
						|
        # Verify invalid message IDs are rejected with the same error message.
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        result = self.client_get("/json/messages/" + str(invalid_message_id))
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						|
        self.assert_json_error(
 | 
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            result, "Not logged in: API authentication or user session required", 401
 | 
						|
        )
 | 
						|
 | 
						|
        # Verify deactivated streams are rejected.  This may change in the future.
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        do_deactivate_stream(web_public_stream, acting_user=None)
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						|
        result = self.client_get("/json/messages/" + str(web_public_stream_msg_id))
 | 
						|
        self.assert_json_error(
 | 
						|
            result, "Not logged in: API authentication or user session required", 401
 | 
						|
        )
 | 
						|
 | 
						|
    def test_fetch_raw_message_stream_wrong_realm(self) -> None:
 | 
						|
        user_profile = self.example_user("hamlet")
 | 
						|
        self.login_user(user_profile)
 | 
						|
        stream = self.make_stream("public_stream")
 | 
						|
        self.subscribe(user_profile, stream.name)
 | 
						|
        msg_id = self.send_stream_message(
 | 
						|
            user_profile, stream.name, topic_name="test", content="test"
 | 
						|
        )
 | 
						|
        result = self.client_get(f"/json/messages/{msg_id}")
 | 
						|
        self.assert_json_success(result)
 | 
						|
 | 
						|
        mit_user = self.mit_user("sipbtest")
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						|
        self.login_user(mit_user)
 | 
						|
        result = self.client_get(f"/json/messages/{msg_id}", subdomain="zephyr")
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        self.assert_json_error(result, "Invalid message(s)")
 | 
						|
 | 
						|
    def test_fetch_raw_message_private_stream(self) -> None:
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						|
        user_profile = self.example_user("hamlet")
 | 
						|
        self.login_user(user_profile)
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						|
        stream = self.make_stream("private_stream", invite_only=True)
 | 
						|
        self.subscribe(user_profile, stream.name)
 | 
						|
        msg_id = self.send_stream_message(
 | 
						|
            user_profile, stream.name, topic_name="test", content="test"
 | 
						|
        )
 | 
						|
        result = self.client_get(f"/json/messages/{msg_id}")
 | 
						|
        self.assert_json_success(result)
 | 
						|
        self.login("othello")
 | 
						|
        result = self.client_get(f"/json/messages/{msg_id}")
 | 
						|
        self.assert_json_error(result, "Invalid message(s)")
 | 
						|
 | 
						|
    def test_edit_message_no_permission(self) -> None:
 | 
						|
        self.login("hamlet")
 | 
						|
        msg_id = self.send_stream_message(
 | 
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            self.example_user("iago"), "Denmark", topic_name="editing", content="before edit"
 | 
						|
        )
 | 
						|
        result = self.client_patch(
 | 
						|
            f"/json/messages/{msg_id}",
 | 
						|
            {
 | 
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                "content": "content after edit",
 | 
						|
            },
 | 
						|
        )
 | 
						|
        self.assert_json_error(result, "You don't have permission to edit this message")
 | 
						|
 | 
						|
        self.login("iago")
 | 
						|
        realm = get_realm("zulip")
 | 
						|
        do_set_realm_property(realm, "allow_message_editing", False, acting_user=None)
 | 
						|
        result = self.client_patch(
 | 
						|
            f"/json/messages/{msg_id}",
 | 
						|
            {
 | 
						|
                "content": "content after edit",
 | 
						|
            },
 | 
						|
        )
 | 
						|
        self.assert_json_error(result, "Your organization has turned off message editing")
 | 
						|
 | 
						|
    def test_edit_message_no_content(self) -> None:
 | 
						|
        self.login("hamlet")
 | 
						|
        msg_id = self.send_stream_message(
 | 
						|
            self.example_user("hamlet"), "Denmark", topic_name="editing", content="before edit"
 | 
						|
        )
 | 
						|
        result = self.client_patch(
 | 
						|
            f"/json/messages/{msg_id}",
 | 
						|
            {
 | 
						|
                "content": " ",
 | 
						|
            },
 | 
						|
        )
 | 
						|
        self.assert_json_success(result)
 | 
						|
        content = Message.objects.filter(id=msg_id).values_list("content", flat=True)[0]
 | 
						|
        self.assertEqual(content, "(deleted)")
 | 
						|
 | 
						|
    def test_edit_message_in_unsubscribed_private_stream(self) -> None:
 | 
						|
        hamlet = self.example_user("hamlet")
 | 
						|
        self.login("hamlet")
 | 
						|
 | 
						|
        self.make_stream("privatestream", invite_only=True, history_public_to_subscribers=False)
 | 
						|
        self.subscribe(hamlet, "privatestream")
 | 
						|
        msg_id = self.send_stream_message(
 | 
						|
            hamlet, "privatestream", topic_name="editing", content="before edit"
 | 
						|
        )
 | 
						|
 | 
						|
        # Ensure the user originally could edit the message. This ensures the
 | 
						|
        # loss of the ability is caused by unsubscribing, rather than something
 | 
						|
        # else wrong with the test's setup/assumptions.
 | 
						|
        result = self.client_patch(
 | 
						|
            f"/json/messages/{msg_id}",
 | 
						|
            {
 | 
						|
                "content": "test can edit before unsubscribing",
 | 
						|
            },
 | 
						|
        )
 | 
						|
        self.assert_json_success(result)
 | 
						|
 | 
						|
        self.unsubscribe(hamlet, "privatestream")
 | 
						|
        result = self.client_patch(
 | 
						|
            f"/json/messages/{msg_id}",
 | 
						|
            {
 | 
						|
                "content": "after unsubscribing",
 | 
						|
            },
 | 
						|
        )
 | 
						|
        self.assert_json_error(result, "Invalid message(s)")
 | 
						|
        content = Message.objects.get(id=msg_id).content
 | 
						|
        self.assertEqual(content, "test can edit before unsubscribing")
 | 
						|
 | 
						|
    def test_edit_message_guest_in_unsubscribed_public_stream(self) -> None:
 | 
						|
        guest_user = self.example_user("polonius")
 | 
						|
        self.login("polonius")
 | 
						|
        self.assertEqual(guest_user.role, UserProfile.ROLE_GUEST)
 | 
						|
 | 
						|
        self.make_stream("publicstream", invite_only=False)
 | 
						|
        self.subscribe(guest_user, "publicstream")
 | 
						|
        msg_id = self.send_stream_message(
 | 
						|
            guest_user, "publicstream", topic_name="editing", content="before edit"
 | 
						|
        )
 | 
						|
 | 
						|
        # Ensure the user originally could edit the message.
 | 
						|
        result = self.client_patch(
 | 
						|
            f"/json/messages/{msg_id}",
 | 
						|
            {
 | 
						|
                "content": "test can edit before unsubscribing",
 | 
						|
            },
 | 
						|
        )
 | 
						|
        self.assert_json_success(result)
 | 
						|
 | 
						|
        self.unsubscribe(guest_user, "publicstream")
 | 
						|
        result = self.client_patch(
 | 
						|
            f"/json/messages/{msg_id}",
 | 
						|
            {
 | 
						|
                "content": "after unsubscribing",
 | 
						|
            },
 | 
						|
        )
 | 
						|
        self.assert_json_error(result, "Invalid message(s)")
 | 
						|
        content = Message.objects.get(id=msg_id).content
 | 
						|
        self.assertEqual(content, "test can edit before unsubscribing")
 | 
						|
 | 
						|
    def test_edit_message_history_disabled(self) -> None:
 | 
						|
        user_profile = self.example_user("hamlet")
 | 
						|
        do_set_realm_property(user_profile.realm, "allow_edit_history", False, acting_user=None)
 | 
						|
        self.login("hamlet")
 | 
						|
 | 
						|
        # Single-line edit
 | 
						|
        msg_id_1 = self.send_stream_message(
 | 
						|
            self.example_user("hamlet"),
 | 
						|
            "Denmark",
 | 
						|
            topic_name="editing",
 | 
						|
            content="content before edit",
 | 
						|
        )
 | 
						|
 | 
						|
        new_content_1 = "content after edit"
 | 
						|
        result_1 = self.client_patch(
 | 
						|
            f"/json/messages/{msg_id_1}",
 | 
						|
            {
 | 
						|
                "content": new_content_1,
 | 
						|
            },
 | 
						|
        )
 | 
						|
        self.assert_json_success(result_1)
 | 
						|
 | 
						|
        result = self.client_get(f"/json/messages/{msg_id_1}/history")
 | 
						|
        self.assert_json_error(result, "Message edit history is disabled in this organization")
 | 
						|
 | 
						|
        # Now verify that if we fetch the message directly, there's no
 | 
						|
        # edit history data attached.
 | 
						|
        messages_result = self.client_get(
 | 
						|
            "/json/messages", {"anchor": msg_id_1, "num_before": 0, "num_after": 10}
 | 
						|
        )
 | 
						|
        self.assert_json_success(messages_result)
 | 
						|
        json_messages = orjson.loads(messages_result.content)
 | 
						|
        for msg in json_messages["messages"]:
 | 
						|
            self.assertNotIn("edit_history", msg)
 | 
						|
 | 
						|
    def test_edit_message_history(self) -> None:
 | 
						|
        self.login("hamlet")
 | 
						|
 | 
						|
        # Single-line edit
 | 
						|
        msg_id_1 = self.send_stream_message(
 | 
						|
            self.example_user("hamlet"),
 | 
						|
            "Denmark",
 | 
						|
            topic_name="editing",
 | 
						|
            content="content before edit",
 | 
						|
        )
 | 
						|
        new_content_1 = "content after edit"
 | 
						|
        result_1 = self.client_patch(
 | 
						|
            f"/json/messages/{msg_id_1}",
 | 
						|
            {
 | 
						|
                "content": new_content_1,
 | 
						|
            },
 | 
						|
        )
 | 
						|
        self.assert_json_success(result_1)
 | 
						|
 | 
						|
        message_edit_history_1 = self.client_get(f"/json/messages/{msg_id_1}/history")
 | 
						|
        json_response_1 = orjson.loads(message_edit_history_1.content)
 | 
						|
        message_history_1 = json_response_1["message_history"]
 | 
						|
 | 
						|
        # Check content of message after edit.
 | 
						|
        self.assertEqual(message_history_1[0]["rendered_content"], "<p>content before edit</p>")
 | 
						|
        self.assertEqual(message_history_1[1]["rendered_content"], "<p>content after edit</p>")
 | 
						|
        self.assertEqual(
 | 
						|
            message_history_1[1]["content_html_diff"],
 | 
						|
            (
 | 
						|
                "<div><p>content "
 | 
						|
                '<span class="highlight_text_inserted">after</span> '
 | 
						|
                '<span class="highlight_text_deleted">before</span>'
 | 
						|
                " edit</p></div>"
 | 
						|
            ),
 | 
						|
        )
 | 
						|
        # Check content of message before edit.
 | 
						|
        self.assertEqual(
 | 
						|
            message_history_1[1]["prev_rendered_content"], "<p>content before edit</p>"
 | 
						|
        )
 | 
						|
 | 
						|
        # Edits on new lines
 | 
						|
        msg_id_2 = self.send_stream_message(
 | 
						|
            self.example_user("hamlet"),
 | 
						|
            "Denmark",
 | 
						|
            topic_name="editing",
 | 
						|
            content="content before edit, line 1\n\ncontent before edit, line 3",
 | 
						|
        )
 | 
						|
        new_content_2 = (
 | 
						|
            "content before edit, line 1\n"
 | 
						|
            "content after edit, line 2\n"
 | 
						|
            "content before edit, line 3"
 | 
						|
        )
 | 
						|
        result_2 = self.client_patch(
 | 
						|
            f"/json/messages/{msg_id_2}",
 | 
						|
            {
 | 
						|
                "content": new_content_2,
 | 
						|
            },
 | 
						|
        )
 | 
						|
        self.assert_json_success(result_2)
 | 
						|
 | 
						|
        message_edit_history_2 = self.client_get(f"/json/messages/{msg_id_2}/history")
 | 
						|
        json_response_2 = orjson.loads(message_edit_history_2.content)
 | 
						|
        message_history_2 = json_response_2["message_history"]
 | 
						|
 | 
						|
        self.assertEqual(
 | 
						|
            message_history_2[0]["rendered_content"],
 | 
						|
            "<p>content before edit, line 1</p>\n<p>content before edit, line 3</p>",
 | 
						|
        )
 | 
						|
        self.assertEqual(
 | 
						|
            message_history_2[1]["rendered_content"],
 | 
						|
            (
 | 
						|
                "<p>content before edit, line 1<br>\n"
 | 
						|
                "content after edit, line 2<br>\n"
 | 
						|
                "content before edit, line 3</p>"
 | 
						|
            ),
 | 
						|
        )
 | 
						|
        self.assertEqual(
 | 
						|
            message_history_2[1]["content_html_diff"],
 | 
						|
            (
 | 
						|
                "<div><p>content before edit, line 1<br> "
 | 
						|
                'content <span class="highlight_text_inserted">after edit, line 2<br> '
 | 
						|
                "content</span> before edit, line 3</p></div>"
 | 
						|
            ),
 | 
						|
        )
 | 
						|
        self.assertEqual(
 | 
						|
            message_history_2[1]["prev_rendered_content"],
 | 
						|
            "<p>content before edit, line 1</p>\n<p>content before edit, line 3</p>",
 | 
						|
        )
 | 
						|
 | 
						|
    def test_empty_message_edit(self) -> None:
 | 
						|
        self.login("hamlet")
 | 
						|
        msg_id = self.send_stream_message(
 | 
						|
            self.example_user("hamlet"),
 | 
						|
            "Denmark",
 | 
						|
            topic_name="editing",
 | 
						|
            content="We will edit this to render as empty.",
 | 
						|
        )
 | 
						|
        # Edit that manually to simulate a rendering bug
 | 
						|
        message = Message.objects.get(id=msg_id)
 | 
						|
        message.rendered_content = ""
 | 
						|
        message.save(update_fields=["rendered_content"])
 | 
						|
 | 
						|
        self.assert_json_success(
 | 
						|
            self.client_patch(
 | 
						|
                "/json/messages/" + str(msg_id),
 | 
						|
                {
 | 
						|
                    "content": "We will edit this to also render as empty.",
 | 
						|
                },
 | 
						|
            )
 | 
						|
        )
 | 
						|
        # And again tweak to simulate a rendering bug
 | 
						|
        message = Message.objects.get(id=msg_id)
 | 
						|
        message.rendered_content = ""
 | 
						|
        message.save(update_fields=["rendered_content"])
 | 
						|
 | 
						|
        history = self.client_get("/json/messages/" + str(msg_id) + "/history")
 | 
						|
        message_history = orjson.loads(history.content)["message_history"]
 | 
						|
        self.assertEqual(message_history[0]["rendered_content"], "")
 | 
						|
        self.assertEqual(message_history[1]["rendered_content"], "")
 | 
						|
        self.assertEqual(message_history[1]["content_html_diff"], "<div></div>")
 | 
						|
 | 
						|
    def test_edit_link(self) -> None:
 | 
						|
        # Link editing
 | 
						|
        self.login("hamlet")
 | 
						|
        msg_id_1 = self.send_stream_message(
 | 
						|
            self.example_user("hamlet"),
 | 
						|
            "Denmark",
 | 
						|
            topic_name="editing",
 | 
						|
            content="Here is a link to [zulip](www.zulip.org).",
 | 
						|
        )
 | 
						|
        new_content_1 = "Here is a link to [zulip](www.zulipchat.com)."
 | 
						|
        result_1 = self.client_patch(
 | 
						|
            f"/json/messages/{msg_id_1}",
 | 
						|
            {
 | 
						|
                "content": new_content_1,
 | 
						|
            },
 | 
						|
        )
 | 
						|
        self.assert_json_success(result_1)
 | 
						|
 | 
						|
        message_edit_history_1 = self.client_get(f"/json/messages/{msg_id_1}/history")
 | 
						|
        json_response_1 = orjson.loads(message_edit_history_1.content)
 | 
						|
        message_history_1 = json_response_1["message_history"]
 | 
						|
 | 
						|
        # Check content of message after edit.
 | 
						|
        self.assertEqual(
 | 
						|
            message_history_1[0]["rendered_content"],
 | 
						|
            '<p>Here is a link to <a href="http://www.zulip.org">zulip</a>.</p>',
 | 
						|
        )
 | 
						|
        self.assertEqual(
 | 
						|
            message_history_1[1]["rendered_content"],
 | 
						|
            '<p>Here is a link to <a href="http://www.zulipchat.com">zulip</a>.</p>',
 | 
						|
        )
 | 
						|
        self.assertEqual(
 | 
						|
            message_history_1[1]["content_html_diff"],
 | 
						|
            (
 | 
						|
                '<div><p>Here is a link to <a href="http://www.zulipchat.com"'
 | 
						|
                ">zulip "
 | 
						|
                '<span class="highlight_text_inserted"> Link: http://www.zulipchat.com .'
 | 
						|
                '</span> <span class="highlight_text_deleted"> Link: http://www.zulip.org .'
 | 
						|
                "</span> </a></p></div>"
 | 
						|
            ),
 | 
						|
        )
 | 
						|
 | 
						|
    def test_edit_history_unedited(self) -> None:
 | 
						|
        self.login("hamlet")
 | 
						|
 | 
						|
        msg_id = self.send_stream_message(
 | 
						|
            self.example_user("hamlet"),
 | 
						|
            "Denmark",
 | 
						|
            topic_name="editing",
 | 
						|
            content="This message has not been edited.",
 | 
						|
        )
 | 
						|
 | 
						|
        result = self.client_get(f"/json/messages/{msg_id}/history")
 | 
						|
 | 
						|
        message_history = self.assert_json_success(result)["message_history"]
 | 
						|
        self.assert_length(message_history, 1)
 | 
						|
 | 
						|
    def test_mentions_for_message_updates(self) -> None:
 | 
						|
        hamlet = self.example_user("hamlet")
 | 
						|
        cordelia = self.example_user("cordelia")
 | 
						|
 | 
						|
        self.login_user(hamlet)
 | 
						|
        self.subscribe(hamlet, "Denmark")
 | 
						|
        self.subscribe(cordelia, "Denmark")
 | 
						|
 | 
						|
        msg_id = self.send_stream_message(
 | 
						|
            hamlet, "Denmark", content="@**Cordelia, Lear's daughter**"
 | 
						|
        )
 | 
						|
 | 
						|
        mention_user_ids = get_mentions_for_message_updates(msg_id)
 | 
						|
        self.assertEqual(mention_user_ids, {cordelia.id})
 | 
						|
 | 
						|
    def test_edit_cases(self) -> None:
 | 
						|
        """This test verifies the accuracy of construction of Zulip's edit
 | 
						|
        history data structures."""
 | 
						|
        self.login("hamlet")
 | 
						|
        hamlet = self.example_user("hamlet")
 | 
						|
        stream_1 = self.make_stream("stream 1")
 | 
						|
        stream_2 = self.make_stream("stream 2")
 | 
						|
        stream_3 = self.make_stream("stream 3")
 | 
						|
        self.subscribe(hamlet, stream_1.name)
 | 
						|
        self.subscribe(hamlet, stream_2.name)
 | 
						|
        self.subscribe(hamlet, stream_3.name)
 | 
						|
        msg_id = self.send_stream_message(
 | 
						|
            self.example_user("hamlet"), "stream 1", topic_name="topic 1", content="content 1"
 | 
						|
        )
 | 
						|
 | 
						|
        result = self.client_patch(
 | 
						|
            f"/json/messages/{msg_id}",
 | 
						|
            {
 | 
						|
                "content": "content 2",
 | 
						|
            },
 | 
						|
        )
 | 
						|
        self.assert_json_success(result)
 | 
						|
        history = orjson.loads(assert_is_not_none(Message.objects.get(id=msg_id).edit_history))
 | 
						|
        self.assertEqual(history[0]["prev_content"], "content 1")
 | 
						|
        self.assertEqual(history[0]["user_id"], hamlet.id)
 | 
						|
        self.assertEqual(
 | 
						|
            set(history[0].keys()),
 | 
						|
            {
 | 
						|
                "timestamp",
 | 
						|
                "prev_content",
 | 
						|
                "user_id",
 | 
						|
                "prev_rendered_content",
 | 
						|
                "prev_rendered_content_version",
 | 
						|
            },
 | 
						|
        )
 | 
						|
 | 
						|
        result = self.client_patch(
 | 
						|
            f"/json/messages/{msg_id}",
 | 
						|
            {
 | 
						|
                "topic": "topic 2",
 | 
						|
            },
 | 
						|
        )
 | 
						|
        self.assert_json_success(result)
 | 
						|
        history = orjson.loads(assert_is_not_none(Message.objects.get(id=msg_id).edit_history))
 | 
						|
        self.assertEqual(history[0]["prev_topic"], "topic 1")
 | 
						|
        self.assertEqual(history[0]["topic"], "topic 2")
 | 
						|
        self.assertEqual(history[0]["user_id"], hamlet.id)
 | 
						|
        self.assertEqual(
 | 
						|
            set(history[0].keys()),
 | 
						|
            {"timestamp", "prev_topic", "topic", "user_id"},
 | 
						|
        )
 | 
						|
 | 
						|
        self.login("iago")
 | 
						|
        result = self.client_patch(
 | 
						|
            f"/json/messages/{msg_id}",
 | 
						|
            {
 | 
						|
                "stream_id": stream_2.id,
 | 
						|
            },
 | 
						|
        )
 | 
						|
        self.assert_json_success(result)
 | 
						|
        history = orjson.loads(assert_is_not_none(Message.objects.get(id=msg_id).edit_history))
 | 
						|
        self.assertEqual(history[0]["prev_stream"], stream_1.id)
 | 
						|
        self.assertEqual(history[0]["stream"], stream_2.id)
 | 
						|
        self.assertEqual(history[0]["user_id"], self.example_user("iago").id)
 | 
						|
        self.assertEqual(set(history[0].keys()), {"timestamp", "prev_stream", "stream", "user_id"})
 | 
						|
 | 
						|
        self.login("hamlet")
 | 
						|
        result = self.client_patch(
 | 
						|
            f"/json/messages/{msg_id}",
 | 
						|
            {
 | 
						|
                "content": "content 3",
 | 
						|
                "topic": "topic 3",
 | 
						|
            },
 | 
						|
        )
 | 
						|
        self.assert_json_success(result)
 | 
						|
        history = orjson.loads(assert_is_not_none(Message.objects.get(id=msg_id).edit_history))
 | 
						|
        self.assertEqual(history[0]["prev_content"], "content 2")
 | 
						|
        self.assertEqual(history[0]["prev_topic"], "topic 2")
 | 
						|
        self.assertEqual(history[0]["topic"], "topic 3")
 | 
						|
        self.assertEqual(history[0]["user_id"], hamlet.id)
 | 
						|
        self.assertEqual(
 | 
						|
            set(history[0].keys()),
 | 
						|
            {
 | 
						|
                "timestamp",
 | 
						|
                "prev_topic",
 | 
						|
                "topic",
 | 
						|
                "prev_content",
 | 
						|
                "user_id",
 | 
						|
                "prev_rendered_content",
 | 
						|
                "prev_rendered_content_version",
 | 
						|
            },
 | 
						|
        )
 | 
						|
 | 
						|
        result = self.client_patch(
 | 
						|
            f"/json/messages/{msg_id}",
 | 
						|
            {
 | 
						|
                "content": "content 4",
 | 
						|
            },
 | 
						|
        )
 | 
						|
        self.assert_json_success(result)
 | 
						|
        history = orjson.loads(assert_is_not_none(Message.objects.get(id=msg_id).edit_history))
 | 
						|
        self.assertEqual(history[0]["prev_content"], "content 3")
 | 
						|
        self.assertEqual(history[0]["user_id"], hamlet.id)
 | 
						|
 | 
						|
        self.login("iago")
 | 
						|
        result = self.client_patch(
 | 
						|
            f"/json/messages/{msg_id}",
 | 
						|
            {
 | 
						|
                "topic": "topic 4",
 | 
						|
                "stream_id": stream_3.id,
 | 
						|
            },
 | 
						|
        )
 | 
						|
        self.assert_json_success(result)
 | 
						|
        history = orjson.loads(assert_is_not_none(Message.objects.get(id=msg_id).edit_history))
 | 
						|
        self.assertEqual(history[0]["prev_topic"], "topic 3")
 | 
						|
        self.assertEqual(history[0]["topic"], "topic 4")
 | 
						|
        self.assertEqual(history[0]["prev_stream"], stream_2.id)
 | 
						|
        self.assertEqual(history[0]["stream"], stream_3.id)
 | 
						|
        self.assertEqual(history[0]["user_id"], self.example_user("iago").id)
 | 
						|
        self.assertEqual(
 | 
						|
            set(history[0].keys()),
 | 
						|
            {
 | 
						|
                "timestamp",
 | 
						|
                "prev_topic",
 | 
						|
                "topic",
 | 
						|
                "prev_stream",
 | 
						|
                "stream",
 | 
						|
                "user_id",
 | 
						|
            },
 | 
						|
        )
 | 
						|
 | 
						|
        # Now, we verify that all of the edits stored in the message.edit_history
 | 
						|
        # have the correct data structure
 | 
						|
        history = orjson.loads(assert_is_not_none(Message.objects.get(id=msg_id).edit_history))
 | 
						|
 | 
						|
        self.assertEqual(history[0]["prev_topic"], "topic 3")
 | 
						|
        self.assertEqual(history[0]["topic"], "topic 4")
 | 
						|
        self.assertEqual(history[0]["stream"], stream_3.id)
 | 
						|
        self.assertEqual(history[0]["prev_stream"], stream_2.id)
 | 
						|
 | 
						|
        self.assertEqual(history[1]["prev_content"], "content 3")
 | 
						|
 | 
						|
        self.assertEqual(history[2]["prev_topic"], "topic 2")
 | 
						|
        self.assertEqual(history[2]["topic"], "topic 3")
 | 
						|
        self.assertEqual(history[2]["prev_content"], "content 2")
 | 
						|
 | 
						|
        self.assertEqual(history[3]["stream"], stream_2.id)
 | 
						|
        self.assertEqual(history[3]["prev_stream"], stream_1.id)
 | 
						|
 | 
						|
        self.assertEqual(history[4]["prev_topic"], "topic 1")
 | 
						|
        self.assertEqual(history[4]["topic"], "topic 2")
 | 
						|
 | 
						|
        self.assertEqual(history[5]["prev_content"], "content 1")
 | 
						|
 | 
						|
        # Now, we verify that the edit history data sent back has the
 | 
						|
        # correct filled-out fields
 | 
						|
        message_edit_history = self.client_get(f"/json/messages/{msg_id}/history")
 | 
						|
 | 
						|
        json_response = orjson.loads(message_edit_history.content)
 | 
						|
 | 
						|
        # We reverse the message history view output so that the IDs line up with the above.
 | 
						|
        message_history = list(reversed(json_response["message_history"]))
 | 
						|
        for i, entry in enumerate(message_history):
 | 
						|
            expected_entries = {"content", "rendered_content", "topic", "timestamp", "user_id"}
 | 
						|
            if i in {0, 2, 4}:
 | 
						|
                expected_entries.add("prev_topic")
 | 
						|
                expected_entries.add("topic")
 | 
						|
            if i in {1, 2, 5}:
 | 
						|
                expected_entries.add("prev_content")
 | 
						|
                expected_entries.add("prev_rendered_content")
 | 
						|
                expected_entries.add("content_html_diff")
 | 
						|
            if i in {0, 3}:
 | 
						|
                expected_entries.add("prev_stream")
 | 
						|
                expected_entries.add("stream")
 | 
						|
            self.assertEqual(expected_entries, set(entry.keys()))
 | 
						|
        self.assert_length(message_history, 7)
 | 
						|
        self.assertEqual(message_history[0]["topic"], "topic 4")
 | 
						|
        self.assertEqual(message_history[0]["prev_topic"], "topic 3")
 | 
						|
        self.assertEqual(message_history[0]["stream"], stream_3.id)
 | 
						|
        self.assertEqual(message_history[0]["prev_stream"], stream_2.id)
 | 
						|
        self.assertEqual(message_history[0]["content"], "content 4")
 | 
						|
 | 
						|
        self.assertEqual(message_history[1]["topic"], "topic 3")
 | 
						|
        self.assertEqual(message_history[1]["content"], "content 4")
 | 
						|
        self.assertEqual(message_history[1]["prev_content"], "content 3")
 | 
						|
 | 
						|
        self.assertEqual(message_history[2]["topic"], "topic 3")
 | 
						|
        self.assertEqual(message_history[2]["prev_topic"], "topic 2")
 | 
						|
        self.assertEqual(message_history[2]["content"], "content 3")
 | 
						|
        self.assertEqual(message_history[2]["prev_content"], "content 2")
 | 
						|
 | 
						|
        self.assertEqual(message_history[3]["topic"], "topic 2")
 | 
						|
        self.assertEqual(message_history[3]["stream"], stream_2.id)
 | 
						|
        self.assertEqual(message_history[3]["prev_stream"], stream_1.id)
 | 
						|
        self.assertEqual(message_history[3]["content"], "content 2")
 | 
						|
 | 
						|
        self.assertEqual(message_history[4]["topic"], "topic 2")
 | 
						|
        self.assertEqual(message_history[4]["prev_topic"], "topic 1")
 | 
						|
        self.assertEqual(message_history[4]["content"], "content 2")
 | 
						|
 | 
						|
        self.assertEqual(message_history[5]["topic"], "topic 1")
 | 
						|
        self.assertEqual(message_history[5]["content"], "content 2")
 | 
						|
        self.assertEqual(message_history[5]["prev_content"], "content 1")
 | 
						|
 | 
						|
        self.assertEqual(message_history[6]["content"], "content 1")
 | 
						|
        self.assertEqual(message_history[6]["topic"], "topic 1")
 | 
						|
 | 
						|
    def test_edit_message_content_limit(self) -> None:
 | 
						|
        def set_message_editing_params(
 | 
						|
            allow_message_editing: bool,
 | 
						|
            message_content_edit_limit_seconds: int | str,
 | 
						|
            edit_topic_policy: int,
 | 
						|
        ) -> None:
 | 
						|
            result = self.client_patch(
 | 
						|
                "/json/realm",
 | 
						|
                {
 | 
						|
                    "allow_message_editing": orjson.dumps(allow_message_editing).decode(),
 | 
						|
                    "message_content_edit_limit_seconds": orjson.dumps(
 | 
						|
                        message_content_edit_limit_seconds
 | 
						|
                    ).decode(),
 | 
						|
                    "edit_topic_policy": orjson.dumps(edit_topic_policy).decode(),
 | 
						|
                },
 | 
						|
            )
 | 
						|
            self.assert_json_success(result)
 | 
						|
 | 
						|
        def do_edit_message_assert_success(
 | 
						|
            id_: int, unique_str: str, topic_only: bool = False
 | 
						|
        ) -> None:
 | 
						|
            new_topic_name = "topic" + unique_str
 | 
						|
            new_content = "content" + unique_str
 | 
						|
            params_dict = {"topic": new_topic_name}
 | 
						|
            if not topic_only:
 | 
						|
                params_dict["content"] = new_content
 | 
						|
            result = self.client_patch(f"/json/messages/{id_}", params_dict)
 | 
						|
            self.assert_json_success(result)
 | 
						|
            if topic_only:
 | 
						|
                self.assertEqual(Message.objects.get(id=id_).topic_name(), new_topic_name)
 | 
						|
            else:
 | 
						|
                self.check_message(id_, topic_name=new_topic_name, content=new_content)
 | 
						|
 | 
						|
        def do_edit_message_assert_error(
 | 
						|
            id_: int, unique_str: str, error: str, topic_only: bool = False
 | 
						|
        ) -> None:
 | 
						|
            message = Message.objects.get(id=id_)
 | 
						|
            old_topic_name = message.topic_name()
 | 
						|
            old_content = message.content
 | 
						|
            new_topic_name = "topic" + unique_str
 | 
						|
            new_content = "content" + unique_str
 | 
						|
            params_dict = {"topic": new_topic_name}
 | 
						|
            if not topic_only:
 | 
						|
                params_dict["content"] = new_content
 | 
						|
            result = self.client_patch(f"/json/messages/{id_}", params_dict)
 | 
						|
            message = Message.objects.get(id=id_)
 | 
						|
            self.assert_json_error(result, error)
 | 
						|
 | 
						|
            msg = Message.objects.get(id=id_)
 | 
						|
            self.assertEqual(msg.topic_name(), old_topic_name)
 | 
						|
            self.assertEqual(msg.content, old_content)
 | 
						|
 | 
						|
        self.login("iago")
 | 
						|
        # send a message in the past
 | 
						|
        id_ = self.send_stream_message(
 | 
						|
            self.example_user("iago"), "Denmark", content="content", topic_name="topic"
 | 
						|
        )
 | 
						|
        message = Message.objects.get(id=id_)
 | 
						|
        message.date_sent -= timedelta(seconds=180)
 | 
						|
        message.save()
 | 
						|
 | 
						|
        # test the various possible message editing settings
 | 
						|
        # high enough time limit, all edits allowed
 | 
						|
        set_message_editing_params(True, 240, EditTopicPolicyEnum.ADMINS_ONLY)
 | 
						|
        do_edit_message_assert_success(id_, "A")
 | 
						|
 | 
						|
        # out of time, only topic editing allowed
 | 
						|
        set_message_editing_params(True, 120, EditTopicPolicyEnum.ADMINS_ONLY)
 | 
						|
        do_edit_message_assert_success(id_, "B", True)
 | 
						|
        do_edit_message_assert_error(id_, "C", "The time limit for editing this message has passed")
 | 
						|
 | 
						|
        # infinite time, all edits allowed
 | 
						|
        set_message_editing_params(True, "unlimited", EditTopicPolicyEnum.ADMINS_ONLY)
 | 
						|
        do_edit_message_assert_success(id_, "D")
 | 
						|
 | 
						|
        # without allow_message_editing, editing content is not allowed but
 | 
						|
        # editing topic is allowed if topic-edit time limit has not passed
 | 
						|
        # irrespective of content-edit time limit.
 | 
						|
        set_message_editing_params(False, 240, EditTopicPolicyEnum.ADMINS_ONLY)
 | 
						|
        do_edit_message_assert_success(id_, "B", True)
 | 
						|
 | 
						|
        set_message_editing_params(False, 240, EditTopicPolicyEnum.ADMINS_ONLY)
 | 
						|
        do_edit_message_assert_success(id_, "E", True)
 | 
						|
        set_message_editing_params(False, 120, EditTopicPolicyEnum.ADMINS_ONLY)
 | 
						|
        do_edit_message_assert_success(id_, "F", True)
 | 
						|
        set_message_editing_params(False, "unlimited", EditTopicPolicyEnum.ADMINS_ONLY)
 | 
						|
        do_edit_message_assert_success(id_, "G", True)
 | 
						|
 | 
						|
    def test_edit_topic_policy(self) -> None:
 | 
						|
        def set_message_editing_params(
 | 
						|
            allow_message_editing: bool,
 | 
						|
            message_content_edit_limit_seconds: int | str,
 | 
						|
            edit_topic_policy: int,
 | 
						|
        ) -> None:
 | 
						|
            self.login("iago")
 | 
						|
            result = self.client_patch(
 | 
						|
                "/json/realm",
 | 
						|
                {
 | 
						|
                    "allow_message_editing": orjson.dumps(allow_message_editing).decode(),
 | 
						|
                    "message_content_edit_limit_seconds": orjson.dumps(
 | 
						|
                        message_content_edit_limit_seconds
 | 
						|
                    ).decode(),
 | 
						|
                    "edit_topic_policy": orjson.dumps(edit_topic_policy).decode(),
 | 
						|
                },
 | 
						|
            )
 | 
						|
            self.assert_json_success(result)
 | 
						|
 | 
						|
        def do_edit_message_assert_success(id_: int, unique_str: str, acting_user: str) -> None:
 | 
						|
            self.login(acting_user)
 | 
						|
            new_topic_name = "topic" + unique_str
 | 
						|
            params_dict = {"topic": new_topic_name}
 | 
						|
            result = self.client_patch(f"/json/messages/{id_}", params_dict)
 | 
						|
            self.assert_json_success(result)
 | 
						|
            self.assertEqual(Message.objects.get(id=id_).topic_name(), new_topic_name)
 | 
						|
 | 
						|
        def do_edit_message_assert_error(
 | 
						|
            id_: int, unique_str: str, error: str, acting_user: str
 | 
						|
        ) -> None:
 | 
						|
            self.login(acting_user)
 | 
						|
            message = Message.objects.get(id=id_)
 | 
						|
            old_topic_name = message.topic_name()
 | 
						|
            old_content = message.content
 | 
						|
            new_topic_name = "topic" + unique_str
 | 
						|
            params_dict = {"topic": new_topic_name}
 | 
						|
            result = self.client_patch(f"/json/messages/{id_}", params_dict)
 | 
						|
            message = Message.objects.get(id=id_)
 | 
						|
            self.assert_json_error(result, error)
 | 
						|
            msg = Message.objects.get(id=id_)
 | 
						|
            self.assertEqual(msg.topic_name(), old_topic_name)
 | 
						|
            self.assertEqual(msg.content, old_content)
 | 
						|
 | 
						|
        # send a message in the past
 | 
						|
        id_ = self.send_stream_message(
 | 
						|
            self.example_user("hamlet"), "Denmark", content="content", topic_name="topic"
 | 
						|
        )
 | 
						|
        message = Message.objects.get(id=id_)
 | 
						|
        message.date_sent -= timedelta(seconds=180)
 | 
						|
        message.save()
 | 
						|
 | 
						|
        # Guest user must be subscribed to the stream to access the message.
 | 
						|
        polonius = self.example_user("polonius")
 | 
						|
        self.subscribe(polonius, "Denmark")
 | 
						|
 | 
						|
        # any user can edit the topic of a message
 | 
						|
        set_message_editing_params(True, "unlimited", EditTopicPolicyEnum.EVERYONE)
 | 
						|
        do_edit_message_assert_success(id_, "A", "polonius")
 | 
						|
 | 
						|
        # only members can edit topic of a message
 | 
						|
        set_message_editing_params(True, "unlimited", EditTopicPolicyEnum.MEMBERS_ONLY)
 | 
						|
        do_edit_message_assert_error(
 | 
						|
            id_, "B", "You don't have permission to edit this message", "polonius"
 | 
						|
        )
 | 
						|
        do_edit_message_assert_success(id_, "B", "cordelia")
 | 
						|
 | 
						|
        # only full members can edit topic of a message
 | 
						|
        set_message_editing_params(True, "unlimited", EditTopicPolicyEnum.FULL_MEMBERS_ONLY)
 | 
						|
 | 
						|
        cordelia = self.example_user("cordelia")
 | 
						|
        hamlet = self.example_user("hamlet")
 | 
						|
        do_set_realm_property(cordelia.realm, "waiting_period_threshold", 10, acting_user=None)
 | 
						|
 | 
						|
        cordelia.date_joined = timezone_now() - timedelta(days=9)
 | 
						|
        cordelia.save()
 | 
						|
        hamlet.date_joined = timezone_now() - timedelta(days=9)
 | 
						|
        hamlet.save()
 | 
						|
        do_edit_message_assert_error(
 | 
						|
            id_, "C", "You don't have permission to edit this message", "cordelia"
 | 
						|
        )
 | 
						|
        # User who sent the message but is not a full member cannot edit
 | 
						|
        # the topic
 | 
						|
        do_edit_message_assert_error(
 | 
						|
            id_, "C", "You don't have permission to edit this message", "hamlet"
 | 
						|
        )
 | 
						|
 | 
						|
        cordelia.date_joined = timezone_now() - timedelta(days=11)
 | 
						|
        cordelia.save()
 | 
						|
        hamlet.date_joined = timezone_now() - timedelta(days=11)
 | 
						|
        hamlet.save()
 | 
						|
        do_edit_message_assert_success(id_, "C", "cordelia")
 | 
						|
        do_edit_message_assert_success(id_, "CD", "hamlet")
 | 
						|
 | 
						|
        # only moderators can edit topic of a message
 | 
						|
        set_message_editing_params(True, "unlimited", EditTopicPolicyEnum.MODERATORS_ONLY)
 | 
						|
        do_edit_message_assert_error(
 | 
						|
            id_, "D", "You don't have permission to edit this message", "cordelia"
 | 
						|
        )
 | 
						|
        # even user who sent the message but is not a moderator cannot edit the topic.
 | 
						|
        do_edit_message_assert_error(
 | 
						|
            id_, "D", "You don't have permission to edit this message", "hamlet"
 | 
						|
        )
 | 
						|
        do_edit_message_assert_success(id_, "D", "shiva")
 | 
						|
 | 
						|
        # only admins can edit the topics of messages
 | 
						|
        set_message_editing_params(True, "unlimited", EditTopicPolicyEnum.ADMINS_ONLY)
 | 
						|
        do_edit_message_assert_error(
 | 
						|
            id_, "E", "You don't have permission to edit this message", "shiva"
 | 
						|
        )
 | 
						|
        do_edit_message_assert_success(id_, "E", "iago")
 | 
						|
 | 
						|
        # even owners and admins cannot edit the topics of messages
 | 
						|
        set_message_editing_params(True, "unlimited", EditTopicPolicyEnum.NOBODY)
 | 
						|
        do_edit_message_assert_error(
 | 
						|
            id_, "H", "You don't have permission to edit this message", "desdemona"
 | 
						|
        )
 | 
						|
        do_edit_message_assert_error(
 | 
						|
            id_, "H", "You don't have permission to edit this message", "iago"
 | 
						|
        )
 | 
						|
 | 
						|
        # users can edit topics even if allow_message_editing is False
 | 
						|
        set_message_editing_params(False, "unlimited", EditTopicPolicyEnum.EVERYONE)
 | 
						|
        do_edit_message_assert_success(id_, "D", "cordelia")
 | 
						|
 | 
						|
        # non-admin users cannot edit topics sent > 1 week ago including
 | 
						|
        # sender of the message.
 | 
						|
        message.date_sent -= timedelta(seconds=604900)
 | 
						|
        message.save()
 | 
						|
        set_message_editing_params(True, "unlimited", EditTopicPolicyEnum.EVERYONE)
 | 
						|
        do_edit_message_assert_success(id_, "E", "iago")
 | 
						|
        do_edit_message_assert_success(id_, "F", "shiva")
 | 
						|
        do_edit_message_assert_error(
 | 
						|
            id_, "G", "The time limit for editing this message's topic has passed.", "cordelia"
 | 
						|
        )
 | 
						|
        do_edit_message_assert_error(
 | 
						|
            id_, "G", "The time limit for editing this message's topic has passed.", "hamlet"
 | 
						|
        )
 | 
						|
 | 
						|
        # topic edit permissions apply on "no topic" messages as well
 | 
						|
        message.set_topic_name("(no topic)")
 | 
						|
        message.save()
 | 
						|
        do_edit_message_assert_error(
 | 
						|
            id_, "G", "The time limit for editing this message's topic has passed.", "cordelia"
 | 
						|
        )
 | 
						|
 | 
						|
        # set the topic edit limit to two weeks
 | 
						|
        do_set_realm_property(
 | 
						|
            hamlet.realm,
 | 
						|
            "move_messages_within_stream_limit_seconds",
 | 
						|
            604800 * 2,
 | 
						|
            acting_user=None,
 | 
						|
        )
 | 
						|
        do_edit_message_assert_success(id_, "G", "cordelia")
 | 
						|
        do_edit_message_assert_success(id_, "H", "hamlet")
 | 
						|
 | 
						|
    @mock.patch("zerver.actions.message_edit.send_event_on_commit")
 | 
						|
    def test_topic_wildcard_mention_in_followed_topic(
 | 
						|
        self, mock_send_event: mock.MagicMock
 | 
						|
    ) -> None:
 | 
						|
        stream_name = "Macbeth"
 | 
						|
        hamlet = self.example_user("hamlet")
 | 
						|
        cordelia = self.example_user("cordelia")
 | 
						|
        self.make_stream(stream_name, history_public_to_subscribers=True)
 | 
						|
        self.subscribe(hamlet, stream_name)
 | 
						|
        self.subscribe(cordelia, stream_name)
 | 
						|
        self.login_user(hamlet)
 | 
						|
 | 
						|
        do_set_user_topic_visibility_policy(
 | 
						|
            user_profile=hamlet,
 | 
						|
            stream=get_stream(stream_name, cordelia.realm),
 | 
						|
            topic_name="test",
 | 
						|
            visibility_policy=UserTopic.VisibilityPolicy.FOLLOWED,
 | 
						|
        )
 | 
						|
        message_id = self.send_stream_message(hamlet, stream_name, "Hello everyone")
 | 
						|
 | 
						|
        users_to_be_notified = sorted(
 | 
						|
            [
 | 
						|
                {
 | 
						|
                    "id": hamlet.id,
 | 
						|
                    "flags": ["read", "topic_wildcard_mentioned"],
 | 
						|
                },
 | 
						|
                {
 | 
						|
                    "id": cordelia.id,
 | 
						|
                    "flags": [],
 | 
						|
                },
 | 
						|
            ],
 | 
						|
            key=itemgetter("id"),
 | 
						|
        )
 | 
						|
        result = self.client_patch(
 | 
						|
            f"/json/messages/{message_id}",
 | 
						|
            {
 | 
						|
                "content": "Hello @**topic**",
 | 
						|
            },
 | 
						|
        )
 | 
						|
        self.assert_json_success(result)
 | 
						|
 | 
						|
        # Extract the send_event call where event type is 'update_message'.
 | 
						|
        # Here we assert 'topic_wildcard_mention_in_followed_topic_user_ids'
 | 
						|
        # has been set properly.
 | 
						|
        called = False
 | 
						|
        for call_args in mock_send_event.call_args_list:
 | 
						|
            (arg_realm, arg_event, arg_notified_users) = call_args[0]
 | 
						|
            if arg_event["type"] == "update_message":
 | 
						|
                self.assertEqual(arg_event["type"], "update_message")
 | 
						|
                self.assertEqual(
 | 
						|
                    arg_event["topic_wildcard_mention_in_followed_topic_user_ids"], [hamlet.id]
 | 
						|
                )
 | 
						|
                self.assertEqual(
 | 
						|
                    sorted(arg_notified_users, key=itemgetter("id")), users_to_be_notified
 | 
						|
                )
 | 
						|
                called = True
 | 
						|
        self.assertTrue(called)
 | 
						|
 | 
						|
    @mock.patch("zerver.actions.message_edit.send_event_on_commit")
 | 
						|
    def test_stream_wildcard_mention_in_followed_topic(
 | 
						|
        self, mock_send_event: mock.MagicMock
 | 
						|
    ) -> None:
 | 
						|
        stream_name = "Macbeth"
 | 
						|
        hamlet = self.example_user("hamlet")
 | 
						|
        cordelia = self.example_user("cordelia")
 | 
						|
        self.make_stream(stream_name, history_public_to_subscribers=True)
 | 
						|
        self.subscribe(hamlet, stream_name)
 | 
						|
        self.subscribe(cordelia, stream_name)
 | 
						|
        self.login_user(hamlet)
 | 
						|
 | 
						|
        do_set_user_topic_visibility_policy(
 | 
						|
            user_profile=hamlet,
 | 
						|
            stream=get_stream(stream_name, cordelia.realm),
 | 
						|
            topic_name="test",
 | 
						|
            visibility_policy=UserTopic.VisibilityPolicy.FOLLOWED,
 | 
						|
        )
 | 
						|
        message_id = self.send_stream_message(hamlet, stream_name, "Hello everyone")
 | 
						|
 | 
						|
        users_to_be_notified = sorted(
 | 
						|
            [
 | 
						|
                {
 | 
						|
                    "id": hamlet.id,
 | 
						|
                    "flags": ["read", "stream_wildcard_mentioned"],
 | 
						|
                },
 | 
						|
                {
 | 
						|
                    "id": cordelia.id,
 | 
						|
                    "flags": ["stream_wildcard_mentioned"],
 | 
						|
                },
 | 
						|
            ],
 | 
						|
            key=itemgetter("id"),
 | 
						|
        )
 | 
						|
        result = self.client_patch(
 | 
						|
            f"/json/messages/{message_id}",
 | 
						|
            {
 | 
						|
                "content": "Hello @**all**",
 | 
						|
            },
 | 
						|
        )
 | 
						|
        self.assert_json_success(result)
 | 
						|
 | 
						|
        # Extract the send_event call where event type is 'update_message'.
 | 
						|
        # Here we assert 'stream_wildcard_mention_in_followed_topic_user_ids'
 | 
						|
        # has been set properly.
 | 
						|
        called = False
 | 
						|
        for call_args in mock_send_event.call_args_list:
 | 
						|
            (arg_realm, arg_event, arg_notified_users) = call_args[0]
 | 
						|
            if arg_event["type"] == "update_message":
 | 
						|
                self.assertEqual(arg_event["type"], "update_message")
 | 
						|
                self.assertEqual(
 | 
						|
                    arg_event["stream_wildcard_mention_in_followed_topic_user_ids"], [hamlet.id]
 | 
						|
                )
 | 
						|
                self.assertEqual(
 | 
						|
                    sorted(arg_notified_users, key=itemgetter("id")), users_to_be_notified
 | 
						|
                )
 | 
						|
                called = True
 | 
						|
        self.assertTrue(called)
 | 
						|
 | 
						|
    @mock.patch("zerver.actions.message_edit.send_event_on_commit")
 | 
						|
    def test_topic_wildcard_mention(self, mock_send_event: mock.MagicMock) -> None:
 | 
						|
        stream_name = "Macbeth"
 | 
						|
        hamlet = self.example_user("hamlet")
 | 
						|
        cordelia = self.example_user("cordelia")
 | 
						|
        self.make_stream(stream_name, history_public_to_subscribers=True)
 | 
						|
        self.subscribe(hamlet, stream_name)
 | 
						|
        self.subscribe(cordelia, stream_name)
 | 
						|
        self.login_user(hamlet)
 | 
						|
        message_id = self.send_stream_message(hamlet, stream_name, "Hello everyone")
 | 
						|
 | 
						|
        users_to_be_notified = sorted(
 | 
						|
            [
 | 
						|
                {
 | 
						|
                    "id": hamlet.id,
 | 
						|
                    "flags": ["read", "topic_wildcard_mentioned"],
 | 
						|
                },
 | 
						|
                {
 | 
						|
                    "id": cordelia.id,
 | 
						|
                    "flags": [],
 | 
						|
                },
 | 
						|
            ],
 | 
						|
            key=itemgetter("id"),
 | 
						|
        )
 | 
						|
        result = self.client_patch(
 | 
						|
            f"/json/messages/{message_id}",
 | 
						|
            {
 | 
						|
                "content": "Hello @**topic**",
 | 
						|
            },
 | 
						|
        )
 | 
						|
        self.assert_json_success(result)
 | 
						|
 | 
						|
        # Extract the send_event call where event type is 'update_message'.
 | 
						|
        # Here we assert topic_wildcard_mention_user_ids has been set properly.
 | 
						|
        called = False
 | 
						|
        for call_args in mock_send_event.call_args_list:
 | 
						|
            (arg_realm, arg_event, arg_notified_users) = call_args[0]
 | 
						|
            if arg_event["type"] == "update_message":
 | 
						|
                self.assertEqual(arg_event["type"], "update_message")
 | 
						|
                self.assertEqual(arg_event["topic_wildcard_mention_user_ids"], [hamlet.id])
 | 
						|
                self.assertEqual(
 | 
						|
                    sorted(arg_notified_users, key=itemgetter("id")), users_to_be_notified
 | 
						|
                )
 | 
						|
                called = True
 | 
						|
        self.assertTrue(called)
 | 
						|
 | 
						|
    def test_topic_wildcard_mention_restrictions_when_editing(self) -> None:
 | 
						|
        cordelia = self.example_user("cordelia")
 | 
						|
        shiva = self.example_user("shiva")
 | 
						|
        self.login("cordelia")
 | 
						|
        stream_name = "Macbeth"
 | 
						|
        self.make_stream(stream_name, history_public_to_subscribers=True)
 | 
						|
        self.subscribe(cordelia, stream_name)
 | 
						|
        self.subscribe(shiva, stream_name)
 | 
						|
        message_id = self.send_stream_message(cordelia, stream_name, "Hello everyone")
 | 
						|
 | 
						|
        realm = cordelia.realm
 | 
						|
        do_set_realm_property(
 | 
						|
            realm,
 | 
						|
            "wildcard_mention_policy",
 | 
						|
            WildcardMentionPolicyEnum.MODERATORS,
 | 
						|
            acting_user=None,
 | 
						|
        )
 | 
						|
 | 
						|
        # Less than 'Realm.WILDCARD_MENTION_THRESHOLD' participants
 | 
						|
        participants_user_ids = set(range(1, 10))
 | 
						|
        with mock.patch(
 | 
						|
            "zerver.actions.message_edit.participants_for_topic", return_value=participants_user_ids
 | 
						|
        ):
 | 
						|
            result = self.client_patch(
 | 
						|
                "/json/messages/" + str(message_id),
 | 
						|
                {
 | 
						|
                    "content": "Hello @**topic**",
 | 
						|
                },
 | 
						|
            )
 | 
						|
        self.assert_json_success(result)
 | 
						|
 | 
						|
        # More than 'Realm.WILDCARD_MENTION_THRESHOLD' participants.
 | 
						|
        participants_user_ids = set(range(1, 20))
 | 
						|
        with mock.patch(
 | 
						|
            "zerver.actions.message_edit.participants_for_topic", return_value=participants_user_ids
 | 
						|
        ):
 | 
						|
            result = self.client_patch(
 | 
						|
                "/json/messages/" + str(message_id),
 | 
						|
                {
 | 
						|
                    "content": "Hello @**topic**",
 | 
						|
                },
 | 
						|
            )
 | 
						|
        self.assert_json_error(
 | 
						|
            result, "You do not have permission to use topic wildcard mentions in this topic."
 | 
						|
        )
 | 
						|
 | 
						|
        # Shiva is moderator
 | 
						|
        self.login("shiva")
 | 
						|
        message_id = self.send_stream_message(shiva, stream_name, "Hi everyone")
 | 
						|
        with mock.patch(
 | 
						|
            "zerver.actions.message_edit.participants_for_topic", return_value=participants_user_ids
 | 
						|
        ):
 | 
						|
            result = self.client_patch(
 | 
						|
                "/json/messages/" + str(message_id),
 | 
						|
                {
 | 
						|
                    "content": "Hello @**topic**",
 | 
						|
                },
 | 
						|
            )
 | 
						|
        self.assert_json_success(result)
 | 
						|
 | 
						|
    @mock.patch("zerver.actions.message_edit.send_event_on_commit")
 | 
						|
    def test_stream_wildcard_mention(self, mock_send_event: mock.MagicMock) -> None:
 | 
						|
        stream_name = "Macbeth"
 | 
						|
        hamlet = self.example_user("hamlet")
 | 
						|
        cordelia = self.example_user("cordelia")
 | 
						|
        self.make_stream(stream_name, history_public_to_subscribers=True)
 | 
						|
        self.subscribe(hamlet, stream_name)
 | 
						|
        self.subscribe(cordelia, stream_name)
 | 
						|
        self.login_user(hamlet)
 | 
						|
        message_id = self.send_stream_message(hamlet, stream_name, "Hello everyone")
 | 
						|
 | 
						|
        users_to_be_notified = sorted(
 | 
						|
            [
 | 
						|
                {
 | 
						|
                    "id": hamlet.id,
 | 
						|
                    "flags": ["read", "stream_wildcard_mentioned"],
 | 
						|
                },
 | 
						|
                {
 | 
						|
                    "id": cordelia.id,
 | 
						|
                    "flags": ["stream_wildcard_mentioned"],
 | 
						|
                },
 | 
						|
            ],
 | 
						|
            key=itemgetter("id"),
 | 
						|
        )
 | 
						|
        result = self.client_patch(
 | 
						|
            f"/json/messages/{message_id}",
 | 
						|
            {
 | 
						|
                "content": "Hello @**everyone**",
 | 
						|
            },
 | 
						|
        )
 | 
						|
        self.assert_json_success(result)
 | 
						|
 | 
						|
        # Extract the send_event call where event type is 'update_message'.
 | 
						|
        # Here we assert 'stream_wildcard_mention_user_ids' has been set properly.
 | 
						|
        called = False
 | 
						|
        for call_args in mock_send_event.call_args_list:
 | 
						|
            (arg_realm, arg_event, arg_notified_users) = call_args[0]
 | 
						|
            if arg_event["type"] == "update_message":
 | 
						|
                self.assertEqual(arg_event["type"], "update_message")
 | 
						|
                self.assertEqual(
 | 
						|
                    arg_event["stream_wildcard_mention_user_ids"], [cordelia.id, hamlet.id]
 | 
						|
                )
 | 
						|
                self.assertEqual(
 | 
						|
                    sorted(arg_notified_users, key=itemgetter("id")), users_to_be_notified
 | 
						|
                )
 | 
						|
                called = True
 | 
						|
        self.assertTrue(called)
 | 
						|
 | 
						|
    def test_stream_wildcard_mention_restrictions_when_editing(self) -> None:
 | 
						|
        cordelia = self.example_user("cordelia")
 | 
						|
        shiva = self.example_user("shiva")
 | 
						|
        self.login("cordelia")
 | 
						|
        stream_name = "Macbeth"
 | 
						|
        self.make_stream(stream_name, history_public_to_subscribers=True)
 | 
						|
        self.subscribe(cordelia, stream_name)
 | 
						|
        self.subscribe(shiva, stream_name)
 | 
						|
        message_id = self.send_stream_message(cordelia, stream_name, "Hello everyone")
 | 
						|
 | 
						|
        realm = cordelia.realm
 | 
						|
        do_set_realm_property(
 | 
						|
            realm,
 | 
						|
            "wildcard_mention_policy",
 | 
						|
            WildcardMentionPolicyEnum.MODERATORS,
 | 
						|
            acting_user=None,
 | 
						|
        )
 | 
						|
 | 
						|
        with mock.patch("zerver.lib.message.num_subscribers_for_stream_id", return_value=17):
 | 
						|
            result = self.client_patch(
 | 
						|
                "/json/messages/" + str(message_id),
 | 
						|
                {
 | 
						|
                    "content": "Hello @**everyone**",
 | 
						|
                },
 | 
						|
            )
 | 
						|
        self.assert_json_error(
 | 
						|
            result, "You do not have permission to use channel wildcard mentions in this channel."
 | 
						|
        )
 | 
						|
 | 
						|
        with mock.patch("zerver.lib.message.num_subscribers_for_stream_id", return_value=14):
 | 
						|
            result = self.client_patch(
 | 
						|
                "/json/messages/" + str(message_id),
 | 
						|
                {
 | 
						|
                    "content": "Hello @**everyone**",
 | 
						|
                },
 | 
						|
            )
 | 
						|
        self.assert_json_success(result)
 | 
						|
 | 
						|
        self.login("shiva")
 | 
						|
        message_id = self.send_stream_message(shiva, stream_name, "Hi everyone")
 | 
						|
        with mock.patch("zerver.lib.message.num_subscribers_for_stream_id", return_value=17):
 | 
						|
            result = self.client_patch(
 | 
						|
                "/json/messages/" + str(message_id),
 | 
						|
                {
 | 
						|
                    "content": "Hello @**everyone**",
 | 
						|
                },
 | 
						|
            )
 | 
						|
        self.assert_json_success(result)
 | 
						|
 | 
						|
    def test_user_group_mention_restrictions_while_editing(self) -> None:
 | 
						|
        iago = self.example_user("iago")
 | 
						|
        shiva = self.example_user("shiva")
 | 
						|
        cordelia = self.example_user("cordelia")
 | 
						|
        othello = self.example_user("othello")
 | 
						|
        self.subscribe(iago, "test_stream")
 | 
						|
        self.subscribe(shiva, "test_stream")
 | 
						|
        self.subscribe(othello, "test_stream")
 | 
						|
        self.subscribe(cordelia, "test_stream")
 | 
						|
 | 
						|
        leadership = check_add_user_group(
 | 
						|
            othello.realm, "leadership", [othello], acting_user=othello
 | 
						|
        )
 | 
						|
        support = check_add_user_group(othello.realm, "support", [othello], acting_user=othello)
 | 
						|
 | 
						|
        moderators_system_group = NamedUserGroup.objects.get(
 | 
						|
            realm=iago.realm, name=SystemGroups.MODERATORS, is_system_group=True
 | 
						|
        )
 | 
						|
 | 
						|
        self.login("cordelia")
 | 
						|
        msg_id = self.send_stream_message(cordelia, "test_stream", "Test message")
 | 
						|
        content = "Edited test message @*leadership*"
 | 
						|
        result = self.client_patch(
 | 
						|
            "/json/messages/" + str(msg_id),
 | 
						|
            {
 | 
						|
                "content": content,
 | 
						|
            },
 | 
						|
        )
 | 
						|
        self.assert_json_success(result)
 | 
						|
 | 
						|
        leadership.can_mention_group = moderators_system_group
 | 
						|
        leadership.save()
 | 
						|
 | 
						|
        msg_id = self.send_stream_message(cordelia, "test_stream", "Test message")
 | 
						|
        content = "Edited test message @*leadership*"
 | 
						|
        result = self.client_patch(
 | 
						|
            "/json/messages/" + str(msg_id),
 | 
						|
            {
 | 
						|
                "content": content,
 | 
						|
            },
 | 
						|
        )
 | 
						|
        self.assert_json_error(
 | 
						|
            result,
 | 
						|
            f"You are not allowed to mention user group '{leadership.name}'.",
 | 
						|
        )
 | 
						|
 | 
						|
        # The restriction does not apply on silent mention.
 | 
						|
        msg_id = self.send_stream_message(cordelia, "test_stream", "Test message")
 | 
						|
        content = "Edited test message @_*leadership*"
 | 
						|
        result = self.client_patch(
 | 
						|
            "/json/messages/" + str(msg_id),
 | 
						|
            {
 | 
						|
                "content": content,
 | 
						|
            },
 | 
						|
        )
 | 
						|
        self.assert_json_success(result)
 | 
						|
 | 
						|
        self.login("shiva")
 | 
						|
        content = "Edited test message @*leadership*"
 | 
						|
        msg_id = self.send_stream_message(shiva, "test_stream", "Test message")
 | 
						|
        result = self.client_patch(
 | 
						|
            "/json/messages/" + str(msg_id),
 | 
						|
            {
 | 
						|
                "content": content,
 | 
						|
            },
 | 
						|
        )
 | 
						|
        self.assert_json_success(result)
 | 
						|
 | 
						|
        self.login("iago")
 | 
						|
        msg_id = self.send_stream_message(iago, "test_stream", "Test message")
 | 
						|
        result = self.client_patch(
 | 
						|
            "/json/messages/" + str(msg_id),
 | 
						|
            {
 | 
						|
                "content": content,
 | 
						|
            },
 | 
						|
        )
 | 
						|
        self.assert_json_success(result)
 | 
						|
 | 
						|
        test = check_add_user_group(shiva.realm, "test", [shiva], acting_user=shiva)
 | 
						|
        add_subgroups_to_user_group(leadership, [test], acting_user=None)
 | 
						|
        support.can_mention_group = leadership
 | 
						|
        support.save()
 | 
						|
 | 
						|
        content = "Test mentioning user group @*support*"
 | 
						|
        result = self.client_patch(
 | 
						|
            "/json/messages/" + str(msg_id),
 | 
						|
            {
 | 
						|
                "content": content,
 | 
						|
            },
 | 
						|
        )
 | 
						|
        self.assert_json_error(
 | 
						|
            result,
 | 
						|
            f"You are not allowed to mention user group '{support.name}'.",
 | 
						|
        )
 | 
						|
 | 
						|
        msg_id = self.send_stream_message(othello, "test_stream", "Test message")
 | 
						|
        self.login("othello")
 | 
						|
        result = self.client_patch(
 | 
						|
            "/json/messages/" + str(msg_id),
 | 
						|
            {
 | 
						|
                "content": content,
 | 
						|
            },
 | 
						|
        )
 | 
						|
        self.assert_json_success(result)
 | 
						|
 | 
						|
        msg_id = self.send_stream_message(shiva, "test_stream", "Test message")
 | 
						|
        self.login("shiva")
 | 
						|
        result = self.client_patch(
 | 
						|
            "/json/messages/" + str(msg_id),
 | 
						|
            {
 | 
						|
                "content": content,
 | 
						|
            },
 | 
						|
        )
 | 
						|
        self.assert_json_success(result)
 | 
						|
 | 
						|
        msg_id = self.send_stream_message(iago, "test_stream", "Test message")
 | 
						|
        content = "Test mentioning user group @*support* @*leadership*"
 | 
						|
 | 
						|
        self.login("iago")
 | 
						|
        result = self.client_patch(
 | 
						|
            "/json/messages/" + str(msg_id),
 | 
						|
            {
 | 
						|
                "content": content,
 | 
						|
            },
 | 
						|
        )
 | 
						|
        self.assert_json_error(
 | 
						|
            result,
 | 
						|
            f"You are not allowed to mention user group '{support.name}'.",
 | 
						|
        )
 | 
						|
 | 
						|
        msg_id = self.send_stream_message(othello, "test_stream", "Test message")
 | 
						|
        self.login("othello")
 | 
						|
        result = self.client_patch(
 | 
						|
            "/json/messages/" + str(msg_id),
 | 
						|
            {
 | 
						|
                "content": content,
 | 
						|
            },
 | 
						|
        )
 | 
						|
        self.assert_json_error(
 | 
						|
            result,
 | 
						|
            f"You are not allowed to mention user group '{leadership.name}'.",
 | 
						|
        )
 | 
						|
 | 
						|
        msg_id = self.send_stream_message(shiva, "test_stream", "Test message")
 | 
						|
        self.login("shiva")
 | 
						|
        result = self.client_patch(
 | 
						|
            "/json/messages/" + str(msg_id),
 | 
						|
            {
 | 
						|
                "content": content,
 | 
						|
            },
 | 
						|
        )
 | 
						|
        self.assert_json_success(result)
 | 
						|
 | 
						|
        # Test all the cases when can_mention_group is not a named user group.
 | 
						|
        content = "Test mentioning user group @*leadership*"
 | 
						|
        user_group = self.create_or_update_anonymous_group_for_setting(
 | 
						|
            [othello], [moderators_system_group]
 | 
						|
        )
 | 
						|
        leadership.can_mention_group = user_group
 | 
						|
        leadership.save()
 | 
						|
 | 
						|
        msg_id = self.send_stream_message(othello, "test_stream", "Test message")
 | 
						|
        self.login("othello")
 | 
						|
        result = self.client_patch(
 | 
						|
            "/json/messages/" + str(msg_id),
 | 
						|
            {
 | 
						|
                "content": content,
 | 
						|
            },
 | 
						|
        )
 | 
						|
        self.assert_json_success(result)
 | 
						|
 | 
						|
        msg_id = self.send_stream_message(shiva, "test_stream", "Test message")
 | 
						|
        self.login("shiva")
 | 
						|
        result = self.client_patch(
 | 
						|
            "/json/messages/" + str(msg_id),
 | 
						|
            {
 | 
						|
                "content": content,
 | 
						|
            },
 | 
						|
        )
 | 
						|
        self.assert_json_success(result)
 | 
						|
 | 
						|
        msg_id = self.send_stream_message(iago, "test_stream", "Test message")
 | 
						|
        self.login("iago")
 | 
						|
        result = self.client_patch(
 | 
						|
            "/json/messages/" + str(msg_id),
 | 
						|
            {
 | 
						|
                "content": content,
 | 
						|
            },
 | 
						|
        )
 | 
						|
        self.assert_json_success(result)
 | 
						|
 | 
						|
        msg_id = self.send_stream_message(cordelia, "test_stream", "Test message")
 | 
						|
        self.login("cordelia")
 | 
						|
        result = self.client_patch(
 | 
						|
            "/json/messages/" + str(msg_id),
 | 
						|
            {
 | 
						|
                "content": content,
 | 
						|
            },
 | 
						|
        )
 | 
						|
        self.assert_json_error(
 | 
						|
            result, f"You are not allowed to mention user group '{leadership.name}'."
 | 
						|
        )
 | 
						|
 | 
						|
        content = "Test mentioning user group @_*leadership*"
 | 
						|
        result = self.client_patch(
 | 
						|
            "/json/messages/" + str(msg_id),
 | 
						|
            {
 | 
						|
                "content": content,
 | 
						|
            },
 | 
						|
        )
 | 
						|
        self.assert_json_success(result)
 | 
						|
 | 
						|
    def test_remove_attachment_while_editing(self) -> None:
 | 
						|
        # Try editing a message and removing an linked attachment that's
 | 
						|
        # uploaded by us. Users should be able to detach their own attachments
 | 
						|
        CONST_UPLOAD_PATH_PREFIX = "/user_uploads/"
 | 
						|
        user_profile = self.example_user("hamlet")
 | 
						|
        file1 = self.create_attachment_helper(user_profile)
 | 
						|
 | 
						|
        content = f"Init message [attachment1.txt]({file1})"
 | 
						|
        self.login("hamlet")
 | 
						|
 | 
						|
        # Create two messages referencing the same attachment.
 | 
						|
        original_msg_id = self.send_stream_message(
 | 
						|
            user_profile,
 | 
						|
            "Denmark",
 | 
						|
            topic_name="editing",
 | 
						|
            content=content,
 | 
						|
        )
 | 
						|
 | 
						|
        attachments = Attachment.objects.filter(messages__in=[original_msg_id])
 | 
						|
        self.assert_length(attachments, 1)
 | 
						|
        path_id_set = CONST_UPLOAD_PATH_PREFIX + attachments[0].path_id
 | 
						|
        self.assertEqual(path_id_set, file1)
 | 
						|
 | 
						|
        msg_id = self.send_stream_message(
 | 
						|
            user_profile,
 | 
						|
            "Denmark",
 | 
						|
            topic_name="editing",
 | 
						|
            content=content,
 | 
						|
        )
 | 
						|
 | 
						|
        attachments = Attachment.objects.filter(messages__in=[msg_id])
 | 
						|
        self.assert_length(attachments, 1)
 | 
						|
        path_id_set = CONST_UPLOAD_PATH_PREFIX + attachments[0].path_id
 | 
						|
        self.assertEqual(path_id_set, file1)
 | 
						|
 | 
						|
        # Try editing first message and removing one reference to the attachment.
 | 
						|
        result = self.client_patch(
 | 
						|
            f"/json/messages/{original_msg_id}",
 | 
						|
            {
 | 
						|
                "content": "Try editing a message with an attachment",
 | 
						|
            },
 | 
						|
        )
 | 
						|
        result_content = orjson.loads(result.content)
 | 
						|
        self.assertEqual(result_content["result"], "success")
 | 
						|
        self.assert_length(result_content["detached_uploads"], 0)
 | 
						|
 | 
						|
        # Try editing second message, the only reference to the attachment now
 | 
						|
        result = self.client_patch(
 | 
						|
            f"/json/messages/{msg_id}",
 | 
						|
            {
 | 
						|
                "content": "Try editing a message with an attachment",
 | 
						|
            },
 | 
						|
        )
 | 
						|
        result_content = orjson.loads(result.content)
 | 
						|
        self.assertEqual(result_content["result"], "success")
 | 
						|
        self.assert_length(result_content["detached_uploads"], 1)
 | 
						|
        actual_path_id_set = (
 | 
						|
            CONST_UPLOAD_PATH_PREFIX + result_content["detached_uploads"][0]["path_id"]
 | 
						|
        )
 | 
						|
 | 
						|
        self.assertEqual(actual_path_id_set, file1)
 | 
						|
 | 
						|
        result = self.client_patch(
 | 
						|
            f"/json/messages/{msg_id}",
 | 
						|
            {
 | 
						|
                "content": "Try editing a message with no attachments",
 | 
						|
            },
 | 
						|
        )
 | 
						|
        result_content = orjson.loads(result.content)
 | 
						|
        self.assertEqual(result_content["result"], "success")
 | 
						|
        self.assert_length(result_content["detached_uploads"], 0)
 | 
						|
 | 
						|
    def test_remove_another_user_attachment_while_editing(self) -> None:
 | 
						|
        # Try editing a message and removing an linked attachment that's
 | 
						|
        # uploaded by another user. Users should not be able to detach another
 | 
						|
        # user's attachments.
 | 
						|
 | 
						|
        user_profile = self.example_user("hamlet")
 | 
						|
        file1 = self.create_attachment_helper(user_profile)
 | 
						|
 | 
						|
        content = f"Init message [attachment1.txt]({file1})"
 | 
						|
 | 
						|
        # Send a message with attachment using another user profile.
 | 
						|
        msg_id = self.send_stream_message(
 | 
						|
            user_profile,
 | 
						|
            "Denmark",
 | 
						|
            topic_name="editing",
 | 
						|
            content=content,
 | 
						|
        )
 | 
						|
        self.check_message(msg_id, topic_name="editing", content=content)
 | 
						|
        attachments = Attachment.objects.filter(messages__in=[msg_id])
 | 
						|
        self.assert_length(attachments, 1)
 | 
						|
 | 
						|
        # Send a message referencing to the attachment uploaded by another user.
 | 
						|
        self.login("iago")
 | 
						|
        msg_id = self.send_stream_message(
 | 
						|
            self.example_user("iago"),
 | 
						|
            "Denmark",
 | 
						|
            topic_name="editing",
 | 
						|
            content=content,
 | 
						|
        )
 | 
						|
        self.check_message(msg_id, topic_name="editing", content=content)
 | 
						|
        attachments = Attachment.objects.filter(messages__in=[msg_id])
 | 
						|
        self.assert_length(attachments, 1)
 | 
						|
 | 
						|
        # Try editing the message and removing the reference to the attachment.
 | 
						|
        result = self.client_patch(
 | 
						|
            f"/json/messages/{msg_id}",
 | 
						|
            {
 | 
						|
                "content": "Try editing a message with an attachment uploaded by another user",
 | 
						|
            },
 | 
						|
        )
 | 
						|
        result_content = orjson.loads(result.content)
 | 
						|
        self.assertEqual(result_content["result"], "success")
 | 
						|
        self.assert_length(result_content["detached_uploads"], 0)
 | 
						|
 | 
						|
    def test_remove_another_user_deleted_attachment_while_editing(self) -> None:
 | 
						|
        # Try editing a message and removing an linked attachment that's been
 | 
						|
        # uploaded and deleted by the original user. Users should not be able
 | 
						|
        # to detach another user's attachments.
 | 
						|
 | 
						|
        user_profile = self.example_user("hamlet")
 | 
						|
        file1 = self.create_attachment_helper(user_profile)
 | 
						|
 | 
						|
        content = f"Init message [attachment1.txt]({file1})"
 | 
						|
 | 
						|
        # Send messages with the attachment on both users
 | 
						|
        original_msg_id = self.send_stream_message(
 | 
						|
            user_profile,
 | 
						|
            "Denmark",
 | 
						|
            topic_name="editing",
 | 
						|
            content=content,
 | 
						|
        )
 | 
						|
        self.check_message(original_msg_id, topic_name="editing", content=content)
 | 
						|
        attachments = Attachment.objects.filter(messages__in=[original_msg_id])
 | 
						|
        self.assert_length(attachments, 1)
 | 
						|
 | 
						|
        msg_id = self.send_stream_message(
 | 
						|
            self.example_user("iago"),
 | 
						|
            "Denmark",
 | 
						|
            topic_name="editing",
 | 
						|
            content=content,
 | 
						|
        )
 | 
						|
        self.check_message(msg_id, topic_name="editing", content=content)
 | 
						|
        attachments = Attachment.objects.filter(messages__in=[msg_id])
 | 
						|
        self.assert_length(attachments, 1)
 | 
						|
 | 
						|
        # Delete the message reference from the attachment uploader
 | 
						|
        self.login("hamlet")
 | 
						|
        result = self.client_delete(f"/json/messages/{original_msg_id}")
 | 
						|
        result_content = orjson.loads(result.content)
 | 
						|
        self.assertEqual(result_content["result"], "success")
 | 
						|
 | 
						|
        # Try editing the message and removing the reference of the now deleted attachment.
 | 
						|
        self.login("iago")
 | 
						|
        result = self.client_patch(
 | 
						|
            f"/json/messages/{msg_id}",
 | 
						|
            {
 | 
						|
                "content": "Try editing a message with an attachment uploaded by another user",
 | 
						|
            },
 | 
						|
        )
 | 
						|
        result_content = orjson.loads(result.content)
 | 
						|
        self.assertEqual(result_content["result"], "success")
 | 
						|
        self.assert_length(result_content["detached_uploads"], 0)
 |