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			1558 lines
		
	
	
		
			61 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			1558 lines
		
	
	
		
			61 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
import datetime
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from operator import itemgetter
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from typing import Any, Dict, List, Tuple
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from unittest import mock
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import orjson
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from django.db import IntegrityError
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from django.http import HttpResponse
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from zerver.lib.actions import (
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    do_set_realm_property,
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    do_update_message,
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    get_topic_messages,
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    get_user_info_for_message_updates,
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)
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from zerver.lib.message import MessageDict, has_message_access, messages_for_ids
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from zerver.lib.test_classes import ZulipTestCase
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from zerver.lib.test_helpers import cache_tries_captured, queries_captured
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from zerver.lib.topic import LEGACY_PREV_TOPIC, TOPIC_NAME
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from zerver.models import Message, Stream, UserMessage, UserProfile
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class EditMessageTest(ZulipTestCase):
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    def check_topic(self, msg_id: int, topic_name: str) -> None:
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        msg = Message.objects.get(id=msg_id)
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        self.assertEqual(msg.topic_name(), topic_name)
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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.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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            )
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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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            self.assertEqual(
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                fetch_message_dict["edit_history"],
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                orjson.loads(msg.edit_history),
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            )
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    def test_query_count_on_to_dict_uncached(self) -> None:
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        # `to_dict_uncached` 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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        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(), stream_name)
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        message_ids.append(
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            self.send_stream_message(self.notification_bot(), stream_name, "Message three")
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        )
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        messages = [
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            Message.objects.select_related().get(id=message_id) for message_id in message_ids
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        ]
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        # Check number of queries performed
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        with queries_captured() as queries:
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            MessageDict.to_dict_uncached(messages)
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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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        self.assertEqual(len(queries), 5)
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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 queries_captured() as queries:
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            MessageDict.to_dict_uncached(messages, realm_id)
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        # 1 query each for reactions & submessage for all messages = 2
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        self.assertEqual(len(queries), 2)
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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"), "Scotland", 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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                "message_id": msg_id,
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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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            "/json/messages/" + str(msg_id),
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            {
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                "message_id": msg_id,
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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.check_topic(msg_id, topic_name="edited")
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    def test_fetch_raw_message(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="**before** edit",
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        )
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        result = self.client_get("/json/messages/" + str(msg_id))
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        self.assert_json_success(result)
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        self.assertEqual(result.json()["raw_content"], "**before** edit")
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        # Test error cases
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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("/json/messages/" + str(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("/json/messages/" + str(msg_id))
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        self.assert_json_error(result, "Invalid message(s)")
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    def test_fetch_raw_message_stream_wrong_realm(self) -> None:
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        user_profile = self.example_user("hamlet")
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        self.login_user(user_profile)
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        stream = self.make_stream("public_stream")
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        self.subscribe(user_profile, stream.name)
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        msg_id = self.send_stream_message(
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            user_profile, stream.name, topic_name="test", content="test"
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        )
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        result = self.client_get("/json/messages/" + str(msg_id))
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        self.assert_json_success(result)
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        mit_user = self.mit_user("sipbtest")
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        self.login_user(mit_user)
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        result = self.client_get("/json/messages/" + str(msg_id), subdomain="zephyr")
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        self.assert_json_error(result, "Invalid message(s)")
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    def test_fetch_raw_message_private_stream(self) -> None:
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        user_profile = self.example_user("hamlet")
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        self.login_user(user_profile)
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        stream = self.make_stream("private_stream", invite_only=True)
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        self.subscribe(user_profile, stream.name)
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        msg_id = self.send_stream_message(
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            user_profile, stream.name, topic_name="test", content="test"
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        )
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        result = self.client_get("/json/messages/" + str(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("/json/messages/" + str(msg_id))
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        self.assert_json_error(result, "Invalid message(s)")
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    def test_edit_message_no_permission(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("iago"), "Scotland", 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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                "message_id": msg_id,
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                "content": "content after edit",
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            },
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        )
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        self.assert_json_error(result, "You don't have permission to edit this message")
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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"), "Scotland", 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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                "message_id": 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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    def test_edit_message_no_topic(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"), "Scotland", 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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                "message_id": msg_id,
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                "topic": " ",
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            },
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        )
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        self.assert_json_error(result, "Topic can't be empty")
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    def test_edit_message_no_content(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"), "Scotland", 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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                "message_id": msg_id,
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                "content": " ",
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            },
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        )
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        self.assert_json_success(result)
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        content = Message.objects.filter(id=msg_id).values_list("content", flat=True)[0]
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        self.assertEqual(content, "(deleted)")
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    def test_edit_message_history_disabled(self) -> None:
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        user_profile = self.example_user("hamlet")
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        do_set_realm_property(user_profile.realm, "allow_edit_history", False, acting_user=None)
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        self.login("hamlet")
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        # Single-line edit
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        msg_id_1 = 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="content before edit",
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        )
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        new_content_1 = "content after edit"
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        result_1 = self.client_patch(
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            "/json/messages/" + str(msg_id_1),
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            {
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                "message_id": msg_id_1,
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                "content": new_content_1,
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            },
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        )
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        self.assert_json_success(result_1)
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        result = self.client_get("/json/messages/" + str(msg_id_1) + "/history")
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        self.assert_json_error(result, "Message edit history is disabled in this organization")
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        # Now verify that if we fetch the message directly, there's no
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        # edit history data attached.
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        messages_result = self.client_get(
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            "/json/messages", {"anchor": msg_id_1, "num_before": 0, "num_after": 10}
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        )
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        self.assert_json_success(messages_result)
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        json_messages = orjson.loads(messages_result.content)
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        for msg in json_messages["messages"]:
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            self.assertNotIn("edit_history", msg)
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    def test_edit_message_history(self) -> None:
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        self.login("hamlet")
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        # Single-line edit
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        msg_id_1 = self.send_stream_message(
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            self.example_user("hamlet"),
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            "Scotland",
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            topic_name="editing",
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            content="content before edit",
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        )
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        new_content_1 = "content after edit"
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        result_1 = self.client_patch(
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            "/json/messages/" + str(msg_id_1),
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            {
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                "message_id": msg_id_1,
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                "content": new_content_1,
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            },
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        )
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        self.assert_json_success(result_1)
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        message_edit_history_1 = self.client_get("/json/messages/" + str(msg_id_1) + "/history")
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        json_response_1 = orjson.loads(message_edit_history_1.content)
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        message_history_1 = json_response_1["message_history"]
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        # Check content of message after edit.
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        self.assertEqual(message_history_1[0]["rendered_content"], "<p>content before edit</p>")
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        self.assertEqual(message_history_1[1]["rendered_content"], "<p>content after edit</p>")
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        self.assertEqual(
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            message_history_1[1]["content_html_diff"],
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            (
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                "<p>content "
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                '<span class="highlight_text_inserted">after</span> '
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                '<span class="highlight_text_deleted">before</span>'
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                " edit</p>"
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            ),
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        )
 | 
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        # Check content of message before edit.
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        self.assertEqual(
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            message_history_1[1]["prev_rendered_content"], "<p>content before edit</p>"
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						|
        )
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						|
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        # Edits on new lines
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        msg_id_2 = self.send_stream_message(
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            self.example_user("hamlet"),
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            "Scotland",
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            topic_name="editing",
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            content="content before edit, line 1\n\ncontent before edit, line 3",
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        )
 | 
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        new_content_2 = (
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            "content before edit, line 1\n"
 | 
						|
            "content after edit, line 2\n"
 | 
						|
            "content before edit, line 3"
 | 
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        )
 | 
						|
        result_2 = self.client_patch(
 | 
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            "/json/messages/" + str(msg_id_2),
 | 
						|
            {
 | 
						|
                "message_id": msg_id_2,
 | 
						|
                "content": new_content_2,
 | 
						|
            },
 | 
						|
        )
 | 
						|
        self.assert_json_success(result_2)
 | 
						|
 | 
						|
        message_edit_history_2 = self.client_get("/json/messages/" + str(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"],
 | 
						|
            (
 | 
						|
                "<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>"
 | 
						|
            ),
 | 
						|
        )
 | 
						|
        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_edit_link(self) -> None:
 | 
						|
        # Link editing
 | 
						|
        self.login("hamlet")
 | 
						|
        msg_id_1 = self.send_stream_message(
 | 
						|
            self.example_user("hamlet"),
 | 
						|
            "Scotland",
 | 
						|
            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(
 | 
						|
            "/json/messages/" + str(msg_id_1),
 | 
						|
            {
 | 
						|
                "message_id": msg_id_1,
 | 
						|
                "content": new_content_1,
 | 
						|
            },
 | 
						|
        )
 | 
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        self.assert_json_success(result_1)
 | 
						|
 | 
						|
        message_edit_history_1 = self.client_get("/json/messages/" + str(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"],
 | 
						|
            (
 | 
						|
                '<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>"
 | 
						|
            ),
 | 
						|
        )
 | 
						|
 | 
						|
    def test_edit_history_unedited(self) -> None:
 | 
						|
        self.login("hamlet")
 | 
						|
 | 
						|
        msg_id = self.send_stream_message(
 | 
						|
            self.example_user("hamlet"),
 | 
						|
            "Scotland",
 | 
						|
            topic_name="editing",
 | 
						|
            content="This message has not been edited.",
 | 
						|
        )
 | 
						|
 | 
						|
        result = self.client_get(f"/json/messages/{msg_id}/history")
 | 
						|
 | 
						|
        self.assert_json_success(result)
 | 
						|
 | 
						|
        message_history = result.json()["message_history"]
 | 
						|
        self.assert_length(message_history, 1)
 | 
						|
 | 
						|
    def test_user_info_for_updates(self) -> None:
 | 
						|
        hamlet = self.example_user("hamlet")
 | 
						|
        cordelia = self.example_user("cordelia")
 | 
						|
 | 
						|
        self.login_user(hamlet)
 | 
						|
        self.subscribe(hamlet, "Scotland")
 | 
						|
        self.subscribe(cordelia, "Scotland")
 | 
						|
 | 
						|
        msg_id = self.send_stream_message(hamlet, "Scotland", content="@**Cordelia Lear**")
 | 
						|
 | 
						|
        user_info = get_user_info_for_message_updates(msg_id)
 | 
						|
        message_user_ids = user_info["message_user_ids"]
 | 
						|
        self.assertIn(hamlet.id, message_user_ids)
 | 
						|
        self.assertIn(cordelia.id, message_user_ids)
 | 
						|
 | 
						|
        mention_user_ids = user_info["mention_user_ids"]
 | 
						|
        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")
 | 
						|
        msg_id = self.send_stream_message(
 | 
						|
            self.example_user("hamlet"), "Scotland", topic_name="topic 1", content="content 1"
 | 
						|
        )
 | 
						|
        result = self.client_patch(
 | 
						|
            "/json/messages/" + str(msg_id),
 | 
						|
            {
 | 
						|
                "message_id": msg_id,
 | 
						|
                "content": "content 2",
 | 
						|
            },
 | 
						|
        )
 | 
						|
        self.assert_json_success(result)
 | 
						|
        history = orjson.loads(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(
 | 
						|
            "/json/messages/" + str(msg_id),
 | 
						|
            {
 | 
						|
                "message_id": msg_id,
 | 
						|
                "topic": "topic 2",
 | 
						|
            },
 | 
						|
        )
 | 
						|
        self.assert_json_success(result)
 | 
						|
        history = orjson.loads(Message.objects.get(id=msg_id).edit_history)
 | 
						|
        self.assertEqual(history[0][LEGACY_PREV_TOPIC], "topic 1")
 | 
						|
        self.assertEqual(history[0]["user_id"], hamlet.id)
 | 
						|
        self.assertEqual(set(history[0].keys()), {"timestamp", LEGACY_PREV_TOPIC, "user_id"})
 | 
						|
 | 
						|
        result = self.client_patch(
 | 
						|
            "/json/messages/" + str(msg_id),
 | 
						|
            {
 | 
						|
                "message_id": msg_id,
 | 
						|
                "content": "content 3",
 | 
						|
                "topic": "topic 3",
 | 
						|
            },
 | 
						|
        )
 | 
						|
        self.assert_json_success(result)
 | 
						|
        history = orjson.loads(Message.objects.get(id=msg_id).edit_history)
 | 
						|
        self.assertEqual(history[0]["prev_content"], "content 2")
 | 
						|
        self.assertEqual(history[0][LEGACY_PREV_TOPIC], "topic 2")
 | 
						|
        self.assertEqual(history[0]["user_id"], hamlet.id)
 | 
						|
        self.assertEqual(
 | 
						|
            set(history[0].keys()),
 | 
						|
            {
 | 
						|
                "timestamp",
 | 
						|
                LEGACY_PREV_TOPIC,
 | 
						|
                "prev_content",
 | 
						|
                "user_id",
 | 
						|
                "prev_rendered_content",
 | 
						|
                "prev_rendered_content_version",
 | 
						|
            },
 | 
						|
        )
 | 
						|
 | 
						|
        result = self.client_patch(
 | 
						|
            "/json/messages/" + str(msg_id),
 | 
						|
            {
 | 
						|
                "message_id": msg_id,
 | 
						|
                "content": "content 4",
 | 
						|
            },
 | 
						|
        )
 | 
						|
        self.assert_json_success(result)
 | 
						|
        history = orjson.loads(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(
 | 
						|
            "/json/messages/" + str(msg_id),
 | 
						|
            {
 | 
						|
                "message_id": msg_id,
 | 
						|
                "topic": "topic 4",
 | 
						|
            },
 | 
						|
        )
 | 
						|
        self.assert_json_success(result)
 | 
						|
        history = orjson.loads(Message.objects.get(id=msg_id).edit_history)
 | 
						|
        self.assertEqual(history[0][LEGACY_PREV_TOPIC], "topic 3")
 | 
						|
        self.assertEqual(history[0]["user_id"], self.example_user("iago").id)
 | 
						|
 | 
						|
        history = orjson.loads(Message.objects.get(id=msg_id).edit_history)
 | 
						|
        self.assertEqual(history[0][LEGACY_PREV_TOPIC], "topic 3")
 | 
						|
        self.assertEqual(history[2][LEGACY_PREV_TOPIC], "topic 2")
 | 
						|
        self.assertEqual(history[3][LEGACY_PREV_TOPIC], "topic 1")
 | 
						|
        self.assertEqual(history[1]["prev_content"], "content 3")
 | 
						|
        self.assertEqual(history[2]["prev_content"], "content 2")
 | 
						|
        self.assertEqual(history[4]["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("/json/messages/" + str(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"]))
 | 
						|
        i = 0
 | 
						|
        for entry in message_history:
 | 
						|
            expected_entries = {"content", "rendered_content", "topic", "timestamp", "user_id"}
 | 
						|
            if i in {0, 2, 3}:
 | 
						|
                expected_entries.add("prev_topic")
 | 
						|
            if i in {1, 2, 4}:
 | 
						|
                expected_entries.add("prev_content")
 | 
						|
                expected_entries.add("prev_rendered_content")
 | 
						|
                expected_entries.add("content_html_diff")
 | 
						|
            i += 1
 | 
						|
            self.assertEqual(expected_entries, set(entry.keys()))
 | 
						|
        self.assertEqual(len(message_history), 6)
 | 
						|
        self.assertEqual(message_history[0]["prev_topic"], "topic 3")
 | 
						|
        self.assertEqual(message_history[0]["topic"], "topic 4")
 | 
						|
        self.assertEqual(message_history[1]["topic"], "topic 3")
 | 
						|
        self.assertEqual(message_history[2]["topic"], "topic 3")
 | 
						|
        self.assertEqual(message_history[2]["prev_topic"], "topic 2")
 | 
						|
        self.assertEqual(message_history[3]["topic"], "topic 2")
 | 
						|
        self.assertEqual(message_history[3]["prev_topic"], "topic 1")
 | 
						|
        self.assertEqual(message_history[4]["topic"], "topic 1")
 | 
						|
 | 
						|
        self.assertEqual(message_history[0]["content"], "content 4")
 | 
						|
        self.assertEqual(message_history[1]["content"], "content 4")
 | 
						|
        self.assertEqual(message_history[1]["prev_content"], "content 3")
 | 
						|
        self.assertEqual(message_history[2]["content"], "content 3")
 | 
						|
        self.assertEqual(message_history[2]["prev_content"], "content 2")
 | 
						|
        self.assertEqual(message_history[3]["content"], "content 2")
 | 
						|
        self.assertEqual(message_history[4]["content"], "content 2")
 | 
						|
        self.assertEqual(message_history[4]["prev_content"], "content 1")
 | 
						|
 | 
						|
        self.assertEqual(message_history[5]["content"], "content 1")
 | 
						|
        self.assertEqual(message_history[5]["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,
 | 
						|
            allow_community_topic_editing: bool,
 | 
						|
        ) -> None:
 | 
						|
            result = self.client_patch(
 | 
						|
                "/json/realm",
 | 
						|
                {
 | 
						|
                    "allow_message_editing": orjson.dumps(allow_message_editing).decode(),
 | 
						|
                    "message_content_edit_limit_seconds": message_content_edit_limit_seconds,
 | 
						|
                    "allow_community_topic_editing": orjson.dumps(
 | 
						|
                        allow_community_topic_editing
 | 
						|
                    ).decode(),
 | 
						|
                },
 | 
						|
            )
 | 
						|
            self.assert_json_success(result)
 | 
						|
 | 
						|
        def do_edit_message_assert_success(
 | 
						|
            id_: int, unique_str: str, topic_only: bool = False
 | 
						|
        ) -> None:
 | 
						|
            new_topic = "topic" + unique_str
 | 
						|
            new_content = "content" + unique_str
 | 
						|
            params_dict = {"message_id": id_, "topic": new_topic}
 | 
						|
            if not topic_only:
 | 
						|
                params_dict["content"] = new_content
 | 
						|
            result = self.client_patch("/json/messages/" + str(id_), params_dict)
 | 
						|
            self.assert_json_success(result)
 | 
						|
            if topic_only:
 | 
						|
                self.check_topic(id_, topic_name=new_topic)
 | 
						|
            else:
 | 
						|
                self.check_message(id_, topic_name=new_topic, 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 = message.topic_name()
 | 
						|
            old_content = message.content
 | 
						|
            new_topic = "topic" + unique_str
 | 
						|
            new_content = "content" + unique_str
 | 
						|
            params_dict = {"message_id": id_, "topic": new_topic}
 | 
						|
            if not topic_only:
 | 
						|
                params_dict["content"] = new_content
 | 
						|
            result = self.client_patch("/json/messages/" + str(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)
 | 
						|
            self.assertEqual(msg.content, old_content)
 | 
						|
 | 
						|
        self.login("iago")
 | 
						|
        # send a message in the past
 | 
						|
        id_ = self.send_stream_message(
 | 
						|
            self.example_user("iago"), "Scotland", content="content", topic_name="topic"
 | 
						|
        )
 | 
						|
        message = Message.objects.get(id=id_)
 | 
						|
        message.date_sent = message.date_sent - datetime.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, False)
 | 
						|
        do_edit_message_assert_success(id_, "A")
 | 
						|
 | 
						|
        # out of time, only topic editing allowed
 | 
						|
        set_message_editing_params(True, 120, False)
 | 
						|
        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, 0, False)
 | 
						|
        do_edit_message_assert_success(id_, "D")
 | 
						|
 | 
						|
        # without allow_message_editing, nothing is allowed
 | 
						|
        set_message_editing_params(False, 240, False)
 | 
						|
        do_edit_message_assert_error(
 | 
						|
            id_, "E", "Your organization has turned off message editing", True
 | 
						|
        )
 | 
						|
        set_message_editing_params(False, 120, False)
 | 
						|
        do_edit_message_assert_error(
 | 
						|
            id_, "F", "Your organization has turned off message editing", True
 | 
						|
        )
 | 
						|
        set_message_editing_params(False, 0, False)
 | 
						|
        do_edit_message_assert_error(
 | 
						|
            id_, "G", "Your organization has turned off message editing", True
 | 
						|
        )
 | 
						|
 | 
						|
    def test_allow_community_topic_editing(self) -> None:
 | 
						|
        def set_message_editing_params(
 | 
						|
            allow_message_editing: bool,
 | 
						|
            message_content_edit_limit_seconds: int,
 | 
						|
            allow_community_topic_editing: bool,
 | 
						|
        ) -> None:
 | 
						|
            result = self.client_patch(
 | 
						|
                "/json/realm",
 | 
						|
                {
 | 
						|
                    "allow_message_editing": orjson.dumps(allow_message_editing).decode(),
 | 
						|
                    "message_content_edit_limit_seconds": message_content_edit_limit_seconds,
 | 
						|
                    "allow_community_topic_editing": orjson.dumps(
 | 
						|
                        allow_community_topic_editing
 | 
						|
                    ).decode(),
 | 
						|
                },
 | 
						|
            )
 | 
						|
            self.assert_json_success(result)
 | 
						|
 | 
						|
        def do_edit_message_assert_success(id_: int, unique_str: str) -> None:
 | 
						|
            new_topic = "topic" + unique_str
 | 
						|
            params_dict = {"message_id": id_, "topic": new_topic}
 | 
						|
            result = self.client_patch("/json/messages/" + str(id_), params_dict)
 | 
						|
            self.assert_json_success(result)
 | 
						|
            self.check_topic(id_, topic_name=new_topic)
 | 
						|
 | 
						|
        def do_edit_message_assert_error(id_: int, unique_str: str, error: str) -> None:
 | 
						|
            message = Message.objects.get(id=id_)
 | 
						|
            old_topic = message.topic_name()
 | 
						|
            old_content = message.content
 | 
						|
            new_topic = "topic" + unique_str
 | 
						|
            params_dict = {"message_id": id_, "topic": new_topic}
 | 
						|
            result = self.client_patch("/json/messages/" + str(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)
 | 
						|
            self.assertEqual(msg.content, old_content)
 | 
						|
 | 
						|
        self.login("iago")
 | 
						|
        # send a message in the past
 | 
						|
        id_ = self.send_stream_message(
 | 
						|
            self.example_user("hamlet"), "Scotland", content="content", topic_name="topic"
 | 
						|
        )
 | 
						|
        message = Message.objects.get(id=id_)
 | 
						|
        message.date_sent = message.date_sent - datetime.timedelta(seconds=180)
 | 
						|
        message.save()
 | 
						|
 | 
						|
        # any user can edit the topic of a message
 | 
						|
        set_message_editing_params(True, 0, True)
 | 
						|
        # log in as a new user
 | 
						|
        self.login("cordelia")
 | 
						|
        do_edit_message_assert_success(id_, "A")
 | 
						|
 | 
						|
        # only admins can edit the topics of messages
 | 
						|
        self.login("iago")
 | 
						|
        set_message_editing_params(True, 0, False)
 | 
						|
        do_edit_message_assert_success(id_, "B")
 | 
						|
        self.login("cordelia")
 | 
						|
        do_edit_message_assert_error(id_, "C", "You don't have permission to edit this message")
 | 
						|
 | 
						|
        # users cannot edit topics if allow_message_editing is False
 | 
						|
        self.login("iago")
 | 
						|
        set_message_editing_params(False, 0, True)
 | 
						|
        self.login("cordelia")
 | 
						|
        do_edit_message_assert_error(id_, "D", "Your organization has turned off message editing")
 | 
						|
 | 
						|
        # non-admin users cannot edit topics sent > 72 hrs ago
 | 
						|
        message.date_sent = message.date_sent - datetime.timedelta(seconds=290000)
 | 
						|
        message.save()
 | 
						|
        self.login("iago")
 | 
						|
        set_message_editing_params(True, 0, True)
 | 
						|
        do_edit_message_assert_success(id_, "E")
 | 
						|
        self.login("cordelia")
 | 
						|
        do_edit_message_assert_error(id_, "F", "The time limit for editing this message has passed")
 | 
						|
 | 
						|
        # anyone should be able to edit "no topic" indefinitely
 | 
						|
        message.set_topic_name("(no topic)")
 | 
						|
        message.save()
 | 
						|
        self.login("cordelia")
 | 
						|
        do_edit_message_assert_success(id_, "D")
 | 
						|
 | 
						|
    @mock.patch("zerver.lib.actions.send_event")
 | 
						|
    def test_edit_topic_public_history_stream(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.login_user(hamlet)
 | 
						|
        message_id = self.send_stream_message(hamlet, stream_name, "Where am I?")
 | 
						|
 | 
						|
        self.login_user(cordelia)
 | 
						|
        self.subscribe(cordelia, stream_name)
 | 
						|
        message = Message.objects.get(id=message_id)
 | 
						|
 | 
						|
        def do_update_message_topic_success(
 | 
						|
            user_profile: UserProfile,
 | 
						|
            message: Message,
 | 
						|
            topic_name: str,
 | 
						|
            users_to_be_notified: List[Dict[str, Any]],
 | 
						|
        ) -> None:
 | 
						|
            do_update_message(
 | 
						|
                user_profile=user_profile,
 | 
						|
                message=message,
 | 
						|
                new_stream=None,
 | 
						|
                topic_name=topic_name,
 | 
						|
                propagate_mode="change_later",
 | 
						|
                send_notification_to_old_thread=False,
 | 
						|
                send_notification_to_new_thread=False,
 | 
						|
                content=None,
 | 
						|
                rendered_content=None,
 | 
						|
                prior_mention_user_ids=set(),
 | 
						|
                mention_user_ids=set(),
 | 
						|
                mention_data=None,
 | 
						|
            )
 | 
						|
 | 
						|
            mock_send_event.assert_called_with(mock.ANY, mock.ANY, users_to_be_notified)
 | 
						|
 | 
						|
        # Returns the users that need to be notified when a message topic is changed
 | 
						|
        def notify(user_id: int) -> Dict[str, Any]:
 | 
						|
            um = UserMessage.objects.get(message=message_id)
 | 
						|
            if um.user_profile_id == user_id:
 | 
						|
                return {
 | 
						|
                    "id": user_id,
 | 
						|
                    "flags": um.flags_list(),
 | 
						|
                }
 | 
						|
 | 
						|
            else:
 | 
						|
                return {
 | 
						|
                    "id": user_id,
 | 
						|
                    "flags": ["read"],
 | 
						|
                }
 | 
						|
 | 
						|
        users_to_be_notified = list(map(notify, [hamlet.id, cordelia.id]))
 | 
						|
        # Edit topic of a message sent before Cordelia subscribed the stream
 | 
						|
        do_update_message_topic_success(
 | 
						|
            cordelia, message, "Othello eats apple", users_to_be_notified
 | 
						|
        )
 | 
						|
 | 
						|
        # If Cordelia is long-term idle, she doesn't get a notification.
 | 
						|
        cordelia.long_term_idle = True
 | 
						|
        cordelia.save()
 | 
						|
        users_to_be_notified = list(map(notify, [hamlet.id]))
 | 
						|
        do_update_message_topic_success(
 | 
						|
            cordelia, message, "Another topic idle", users_to_be_notified
 | 
						|
        )
 | 
						|
        cordelia.long_term_idle = False
 | 
						|
        cordelia.save()
 | 
						|
 | 
						|
        # Even if Hamlet unsubscribes the stream, he should be notified when the topic is changed
 | 
						|
        # because he has a UserMessage row.
 | 
						|
        self.unsubscribe(hamlet, stream_name)
 | 
						|
        users_to_be_notified = list(map(notify, [hamlet.id, cordelia.id]))
 | 
						|
        do_update_message_topic_success(cordelia, message, "Another topic", users_to_be_notified)
 | 
						|
 | 
						|
        # Hamlet subscribes to the stream again and Cordelia unsubscribes, then Hamlet changes
 | 
						|
        # the message topic. Cordelia won't receive any updates when a message on that stream is
 | 
						|
        # changed because she is not a subscriber and doesn't have a UserMessage row.
 | 
						|
        self.subscribe(hamlet, stream_name)
 | 
						|
        self.unsubscribe(cordelia, stream_name)
 | 
						|
        self.login_user(hamlet)
 | 
						|
        users_to_be_notified = list(map(notify, [hamlet.id]))
 | 
						|
        do_update_message_topic_success(hamlet, message, "Change again", users_to_be_notified)
 | 
						|
 | 
						|
    @mock.patch("zerver.lib.actions.send_event")
 | 
						|
    def test_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")
 | 
						|
 | 
						|
        def notify(user_id: int) -> Dict[str, Any]:
 | 
						|
            return {
 | 
						|
                "id": user_id,
 | 
						|
                "flags": ["wildcard_mentioned"],
 | 
						|
            }
 | 
						|
 | 
						|
        users_to_be_notified = sorted(map(notify, [cordelia.id, hamlet.id]), key=itemgetter("id"))
 | 
						|
        result = self.client_patch(
 | 
						|
            "/json/messages/" + str(message_id),
 | 
						|
            {
 | 
						|
                "message_id": message_id,
 | 
						|
                "content": "Hello @**everyone**",
 | 
						|
            },
 | 
						|
        )
 | 
						|
        self.assert_json_success(result)
 | 
						|
 | 
						|
        # Extract the send_event call where event type is 'update_message'.
 | 
						|
        # Here we assert 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["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_topic_edit_history_saved_in_all_message(self) -> None:
 | 
						|
        self.login("hamlet")
 | 
						|
        id1 = self.send_stream_message(self.example_user("hamlet"), "Scotland", topic_name="topic1")
 | 
						|
        id2 = self.send_stream_message(self.example_user("iago"), "Scotland", topic_name="topic1")
 | 
						|
        id3 = self.send_stream_message(self.example_user("iago"), "Rome", topic_name="topic1")
 | 
						|
        id4 = self.send_stream_message(self.example_user("hamlet"), "Scotland", topic_name="topic2")
 | 
						|
        id5 = self.send_stream_message(self.example_user("iago"), "Scotland", topic_name="topic1")
 | 
						|
 | 
						|
        def verify_edit_history(new_topic: str, len_edit_history: int) -> None:
 | 
						|
            for msg_id in [id1, id2, id5]:
 | 
						|
                msg = Message.objects.get(id=msg_id)
 | 
						|
 | 
						|
                self.assertEqual(
 | 
						|
                    new_topic,
 | 
						|
                    msg.topic_name(),
 | 
						|
                )
 | 
						|
                # Since edit history is being generated by do_update_message,
 | 
						|
                # it's contents can vary over time; So, to keep this test
 | 
						|
                # future proof, we only verify it's length.
 | 
						|
                self.assertEqual(len(orjson.loads(msg.edit_history)), len_edit_history)
 | 
						|
 | 
						|
            for msg_id in [id3, id4]:
 | 
						|
                msg = Message.objects.get(id=msg_id)
 | 
						|
                self.assertEqual(msg.edit_history, None)
 | 
						|
 | 
						|
        new_topic = "edited"
 | 
						|
        result = self.client_patch(
 | 
						|
            "/json/messages/" + str(id1),
 | 
						|
            {
 | 
						|
                "message_id": id1,
 | 
						|
                "topic": new_topic,
 | 
						|
                "propagate_mode": "change_later",
 | 
						|
            },
 | 
						|
        )
 | 
						|
 | 
						|
        self.assert_json_success(result)
 | 
						|
        verify_edit_history(new_topic, 1)
 | 
						|
 | 
						|
        new_topic = "edited2"
 | 
						|
        result = self.client_patch(
 | 
						|
            "/json/messages/" + str(id1),
 | 
						|
            {
 | 
						|
                "message_id": id1,
 | 
						|
                "topic": new_topic,
 | 
						|
                "propagate_mode": "change_later",
 | 
						|
            },
 | 
						|
        )
 | 
						|
 | 
						|
        self.assert_json_success(result)
 | 
						|
        verify_edit_history(new_topic, 2)
 | 
						|
 | 
						|
    def test_propagate_topic_forward(self) -> None:
 | 
						|
        self.login("hamlet")
 | 
						|
        id1 = self.send_stream_message(self.example_user("hamlet"), "Scotland", topic_name="topic1")
 | 
						|
        id2 = self.send_stream_message(self.example_user("iago"), "Scotland", topic_name="topic1")
 | 
						|
        id3 = self.send_stream_message(self.example_user("iago"), "Rome", topic_name="topic1")
 | 
						|
        id4 = self.send_stream_message(self.example_user("hamlet"), "Scotland", topic_name="topic2")
 | 
						|
        id5 = self.send_stream_message(self.example_user("iago"), "Scotland", topic_name="topic1")
 | 
						|
 | 
						|
        result = self.client_patch(
 | 
						|
            "/json/messages/" + str(id1),
 | 
						|
            {
 | 
						|
                "message_id": id1,
 | 
						|
                "topic": "edited",
 | 
						|
                "propagate_mode": "change_later",
 | 
						|
            },
 | 
						|
        )
 | 
						|
        self.assert_json_success(result)
 | 
						|
 | 
						|
        self.check_topic(id1, topic_name="edited")
 | 
						|
        self.check_topic(id2, topic_name="edited")
 | 
						|
        self.check_topic(id3, topic_name="topic1")
 | 
						|
        self.check_topic(id4, topic_name="topic2")
 | 
						|
        self.check_topic(id5, topic_name="edited")
 | 
						|
 | 
						|
    def test_propagate_all_topics(self) -> None:
 | 
						|
        self.login("hamlet")
 | 
						|
        id1 = self.send_stream_message(self.example_user("hamlet"), "Scotland", topic_name="topic1")
 | 
						|
        id2 = self.send_stream_message(self.example_user("hamlet"), "Scotland", topic_name="topic1")
 | 
						|
        id3 = self.send_stream_message(self.example_user("iago"), "Rome", topic_name="topic1")
 | 
						|
        id4 = self.send_stream_message(self.example_user("hamlet"), "Scotland", topic_name="topic2")
 | 
						|
        id5 = self.send_stream_message(self.example_user("iago"), "Scotland", topic_name="topic1")
 | 
						|
        id6 = self.send_stream_message(self.example_user("iago"), "Scotland", topic_name="topic3")
 | 
						|
 | 
						|
        result = self.client_patch(
 | 
						|
            "/json/messages/" + str(id2),
 | 
						|
            {
 | 
						|
                "message_id": id2,
 | 
						|
                "topic": "edited",
 | 
						|
                "propagate_mode": "change_all",
 | 
						|
            },
 | 
						|
        )
 | 
						|
        self.assert_json_success(result)
 | 
						|
 | 
						|
        self.check_topic(id1, topic_name="edited")
 | 
						|
        self.check_topic(id2, topic_name="edited")
 | 
						|
        self.check_topic(id3, topic_name="topic1")
 | 
						|
        self.check_topic(id4, topic_name="topic2")
 | 
						|
        self.check_topic(id5, topic_name="edited")
 | 
						|
        self.check_topic(id6, topic_name="topic3")
 | 
						|
 | 
						|
    def test_propagate_all_topics_with_different_uppercase_letters(self) -> None:
 | 
						|
        self.login("hamlet")
 | 
						|
        id1 = self.send_stream_message(self.example_user("hamlet"), "Scotland", topic_name="topic1")
 | 
						|
        id2 = self.send_stream_message(self.example_user("hamlet"), "Scotland", topic_name="Topic1")
 | 
						|
        id3 = self.send_stream_message(self.example_user("iago"), "Rome", topic_name="topiC1")
 | 
						|
        id4 = self.send_stream_message(self.example_user("iago"), "Scotland", topic_name="toPic1")
 | 
						|
 | 
						|
        result = self.client_patch(
 | 
						|
            "/json/messages/" + str(id2),
 | 
						|
            {
 | 
						|
                "message_id": id2,
 | 
						|
                "topic": "edited",
 | 
						|
                "propagate_mode": "change_all",
 | 
						|
            },
 | 
						|
        )
 | 
						|
        self.assert_json_success(result)
 | 
						|
 | 
						|
        self.check_topic(id1, topic_name="edited")
 | 
						|
        self.check_topic(id2, topic_name="edited")
 | 
						|
        self.check_topic(id3, topic_name="topiC1")
 | 
						|
        self.check_topic(id4, topic_name="edited")
 | 
						|
 | 
						|
    def test_propagate_invalid(self) -> None:
 | 
						|
        self.login("hamlet")
 | 
						|
        id1 = self.send_stream_message(self.example_user("hamlet"), "Scotland", topic_name="topic1")
 | 
						|
 | 
						|
        result = self.client_patch(
 | 
						|
            "/json/messages/" + str(id1),
 | 
						|
            {
 | 
						|
                "topic": "edited",
 | 
						|
                "propagate_mode": "invalid",
 | 
						|
            },
 | 
						|
        )
 | 
						|
        self.assert_json_error(result, "Invalid propagate_mode")
 | 
						|
        self.check_topic(id1, topic_name="topic1")
 | 
						|
 | 
						|
        result = self.client_patch(
 | 
						|
            "/json/messages/" + str(id1),
 | 
						|
            {
 | 
						|
                "content": "edited",
 | 
						|
                "propagate_mode": "change_all",
 | 
						|
            },
 | 
						|
        )
 | 
						|
        self.assert_json_error(result, "Invalid propagate_mode without topic edit")
 | 
						|
        self.check_topic(id1, topic_name="topic1")
 | 
						|
 | 
						|
    def prepare_move_topics(
 | 
						|
        self, user_email: str, old_stream: str, new_stream: str, topic: str
 | 
						|
    ) -> Tuple[UserProfile, Stream, Stream, int, int]:
 | 
						|
        user_profile = self.example_user(user_email)
 | 
						|
        self.login(user_email)
 | 
						|
        stream = self.make_stream(old_stream)
 | 
						|
        new_stream = self.make_stream(new_stream)
 | 
						|
        self.subscribe(user_profile, stream.name)
 | 
						|
        self.subscribe(user_profile, new_stream.name)
 | 
						|
        msg_id = self.send_stream_message(
 | 
						|
            user_profile, stream.name, topic_name=topic, content="First"
 | 
						|
        )
 | 
						|
        msg_id_lt = self.send_stream_message(
 | 
						|
            user_profile, stream.name, topic_name=topic, content="Second"
 | 
						|
        )
 | 
						|
 | 
						|
        self.send_stream_message(user_profile, stream.name, topic_name=topic, content="third")
 | 
						|
 | 
						|
        return (user_profile, stream, new_stream, msg_id, msg_id_lt)
 | 
						|
 | 
						|
    def test_move_message_to_stream(self) -> None:
 | 
						|
        (user_profile, old_stream, new_stream, msg_id, msg_id_lt) = self.prepare_move_topics(
 | 
						|
            "iago", "test move stream", "new stream", "test"
 | 
						|
        )
 | 
						|
 | 
						|
        result = self.client_patch(
 | 
						|
            "/json/messages/" + str(msg_id),
 | 
						|
            {
 | 
						|
                "message_id": msg_id,
 | 
						|
                "stream_id": new_stream.id,
 | 
						|
                "propagate_mode": "change_all",
 | 
						|
            },
 | 
						|
        )
 | 
						|
 | 
						|
        self.assert_json_success(result)
 | 
						|
 | 
						|
        messages = get_topic_messages(user_profile, old_stream, "test")
 | 
						|
        self.assertEqual(len(messages), 1)
 | 
						|
        self.assertEqual(
 | 
						|
            messages[0].content,
 | 
						|
            f"This topic was moved by @_**Iago|{user_profile.id}** to #**new stream>test**",
 | 
						|
        )
 | 
						|
 | 
						|
        messages = get_topic_messages(user_profile, new_stream, "test")
 | 
						|
        self.assertEqual(len(messages), 4)
 | 
						|
        self.assertEqual(
 | 
						|
            messages[3].content,
 | 
						|
            f"This topic was moved here from #**test move stream>test** by @_**Iago|{user_profile.id}**",
 | 
						|
        )
 | 
						|
 | 
						|
    def test_move_message_to_stream_change_later(self) -> None:
 | 
						|
        (user_profile, old_stream, new_stream, msg_id, msg_id_later) = self.prepare_move_topics(
 | 
						|
            "iago", "test move stream", "new stream", "test"
 | 
						|
        )
 | 
						|
 | 
						|
        result = self.client_patch(
 | 
						|
            "/json/messages/" + str(msg_id_later),
 | 
						|
            {
 | 
						|
                "message_id": msg_id_later,
 | 
						|
                "stream_id": new_stream.id,
 | 
						|
                "propagate_mode": "change_later",
 | 
						|
            },
 | 
						|
        )
 | 
						|
        self.assert_json_success(result)
 | 
						|
 | 
						|
        messages = get_topic_messages(user_profile, old_stream, "test")
 | 
						|
        self.assertEqual(len(messages), 2)
 | 
						|
        self.assertEqual(messages[0].id, msg_id)
 | 
						|
        self.assertEqual(
 | 
						|
            messages[1].content,
 | 
						|
            f"This topic was moved by @_**Iago|{user_profile.id}** to #**new stream>test**",
 | 
						|
        )
 | 
						|
 | 
						|
        messages = get_topic_messages(user_profile, new_stream, "test")
 | 
						|
        self.assertEqual(len(messages), 3)
 | 
						|
        self.assertEqual(messages[0].id, msg_id_later)
 | 
						|
        self.assertEqual(
 | 
						|
            messages[2].content,
 | 
						|
            f"This topic was moved here from #**test move stream>test** by @_**Iago|{user_profile.id}**",
 | 
						|
        )
 | 
						|
 | 
						|
    def test_move_message_to_stream_no_allowed(self) -> None:
 | 
						|
        (user_profile, old_stream, new_stream, msg_id, msg_id_later) = self.prepare_move_topics(
 | 
						|
            "aaron", "test move stream", "new stream", "test"
 | 
						|
        )
 | 
						|
 | 
						|
        result = self.client_patch(
 | 
						|
            "/json/messages/" + str(msg_id),
 | 
						|
            {
 | 
						|
                "message_id": msg_id,
 | 
						|
                "stream_id": new_stream.id,
 | 
						|
                "propagate_mode": "change_all",
 | 
						|
            },
 | 
						|
        )
 | 
						|
        self.assert_json_error(result, "You don't have permission to move this message")
 | 
						|
 | 
						|
        messages = get_topic_messages(user_profile, old_stream, "test")
 | 
						|
        self.assertEqual(len(messages), 3)
 | 
						|
 | 
						|
        messages = get_topic_messages(user_profile, new_stream, "test")
 | 
						|
        self.assertEqual(len(messages), 0)
 | 
						|
 | 
						|
    def test_move_message_to_stream_with_content(self) -> None:
 | 
						|
        (user_profile, old_stream, new_stream, msg_id, msg_id_later) = self.prepare_move_topics(
 | 
						|
            "iago", "test move stream", "new stream", "test"
 | 
						|
        )
 | 
						|
 | 
						|
        result = self.client_patch(
 | 
						|
            "/json/messages/" + str(msg_id),
 | 
						|
            {
 | 
						|
                "message_id": msg_id,
 | 
						|
                "stream_id": new_stream.id,
 | 
						|
                "propagate_mode": "change_all",
 | 
						|
                "content": "Not allowed",
 | 
						|
            },
 | 
						|
        )
 | 
						|
        self.assert_json_error(result, "Cannot change message content while changing stream")
 | 
						|
 | 
						|
        messages = get_topic_messages(user_profile, old_stream, "test")
 | 
						|
        self.assertEqual(len(messages), 3)
 | 
						|
 | 
						|
        messages = get_topic_messages(user_profile, new_stream, "test")
 | 
						|
        self.assertEqual(len(messages), 0)
 | 
						|
 | 
						|
    def test_move_message_to_stream_and_topic(self) -> None:
 | 
						|
        (user_profile, old_stream, new_stream, msg_id, msg_id_later) = self.prepare_move_topics(
 | 
						|
            "iago", "test move stream", "new stream", "test"
 | 
						|
        )
 | 
						|
 | 
						|
        with queries_captured() as queries, cache_tries_captured() as cache_tries:
 | 
						|
            result = self.client_patch(
 | 
						|
                "/json/messages/" + str(msg_id),
 | 
						|
                {
 | 
						|
                    "message_id": msg_id,
 | 
						|
                    "stream_id": new_stream.id,
 | 
						|
                    "propagate_mode": "change_all",
 | 
						|
                    "topic": "new topic",
 | 
						|
                },
 | 
						|
            )
 | 
						|
        self.assertEqual(len(queries), 47)
 | 
						|
        self.assertEqual(len(cache_tries), 11)
 | 
						|
 | 
						|
        messages = get_topic_messages(user_profile, old_stream, "test")
 | 
						|
        self.assertEqual(len(messages), 1)
 | 
						|
        self.assertEqual(
 | 
						|
            messages[0].content,
 | 
						|
            f"This topic was moved by @_**Iago|{user_profile.id}** to #**new stream>new topic**",
 | 
						|
        )
 | 
						|
 | 
						|
        messages = get_topic_messages(user_profile, new_stream, "new topic")
 | 
						|
        self.assertEqual(len(messages), 4)
 | 
						|
        self.assertEqual(
 | 
						|
            messages[3].content,
 | 
						|
            f"This topic was moved here from #**test move stream>test** by @_**Iago|{user_profile.id}**",
 | 
						|
        )
 | 
						|
        self.assert_json_success(result)
 | 
						|
 | 
						|
    def test_inaccessible_msg_after_stream_change(self) -> None:
 | 
						|
        """Simulates the case where message is moved to a stream where user is not a subscribed"""
 | 
						|
        (user_profile, old_stream, new_stream, msg_id, msg_id_lt) = self.prepare_move_topics(
 | 
						|
            "iago", "test move stream", "new stream", "test"
 | 
						|
        )
 | 
						|
 | 
						|
        guest_user = self.example_user("polonius")
 | 
						|
        non_guest_user = self.example_user("hamlet")
 | 
						|
        self.subscribe(guest_user, old_stream.name)
 | 
						|
        self.subscribe(non_guest_user, old_stream.name)
 | 
						|
 | 
						|
        msg_id_to_test_acesss = self.send_stream_message(
 | 
						|
            user_profile, old_stream.name, topic_name="test", content="fourth"
 | 
						|
        )
 | 
						|
 | 
						|
        self.assertEqual(
 | 
						|
            has_message_access(guest_user, Message.objects.get(id=msg_id_to_test_acesss), None),
 | 
						|
            True,
 | 
						|
        )
 | 
						|
        self.assertEqual(
 | 
						|
            has_message_access(non_guest_user, Message.objects.get(id=msg_id_to_test_acesss), None),
 | 
						|
            True,
 | 
						|
        )
 | 
						|
 | 
						|
        result = self.client_patch(
 | 
						|
            "/json/messages/" + str(msg_id),
 | 
						|
            {
 | 
						|
                "message_id": msg_id,
 | 
						|
                "stream_id": new_stream.id,
 | 
						|
                "propagate_mode": "change_all",
 | 
						|
                "topic": "new topic",
 | 
						|
            },
 | 
						|
        )
 | 
						|
        self.assert_json_success(result)
 | 
						|
 | 
						|
        self.assertEqual(
 | 
						|
            has_message_access(guest_user, Message.objects.get(id=msg_id_to_test_acesss), None),
 | 
						|
            False,
 | 
						|
        )
 | 
						|
        self.assertEqual(
 | 
						|
            has_message_access(non_guest_user, Message.objects.get(id=msg_id_to_test_acesss), None),
 | 
						|
            True,
 | 
						|
        )
 | 
						|
        self.assertEqual(
 | 
						|
            UserMessage.objects.filter(
 | 
						|
                user_profile_id=non_guest_user.id,
 | 
						|
                message_id=msg_id_to_test_acesss,
 | 
						|
            ).count(),
 | 
						|
            0,
 | 
						|
        )
 | 
						|
        self.assertEqual(
 | 
						|
            has_message_access(
 | 
						|
                self.example_user("iago"), Message.objects.get(id=msg_id_to_test_acesss), None
 | 
						|
            ),
 | 
						|
            True,
 | 
						|
        )
 | 
						|
 | 
						|
    def test_no_notify_move_message_to_stream(self) -> None:
 | 
						|
        (user_profile, old_stream, new_stream, msg_id, msg_id_lt) = self.prepare_move_topics(
 | 
						|
            "iago", "test move stream", "new stream", "test"
 | 
						|
        )
 | 
						|
 | 
						|
        result = self.client_patch(
 | 
						|
            "/json/messages/" + str(msg_id),
 | 
						|
            {
 | 
						|
                "message_id": msg_id,
 | 
						|
                "stream_id": new_stream.id,
 | 
						|
                "propagate_mode": "change_all",
 | 
						|
                "send_notification_to_old_thread": "false",
 | 
						|
                "send_notification_to_new_thread": "false",
 | 
						|
            },
 | 
						|
        )
 | 
						|
 | 
						|
        self.assert_json_success(result)
 | 
						|
 | 
						|
        messages = get_topic_messages(user_profile, old_stream, "test")
 | 
						|
        self.assertEqual(len(messages), 0)
 | 
						|
 | 
						|
        messages = get_topic_messages(user_profile, new_stream, "test")
 | 
						|
        self.assertEqual(len(messages), 3)
 | 
						|
 | 
						|
    def test_notify_new_thread_move_message_to_stream(self) -> None:
 | 
						|
        (user_profile, old_stream, new_stream, msg_id, msg_id_lt) = self.prepare_move_topics(
 | 
						|
            "iago", "test move stream", "new stream", "test"
 | 
						|
        )
 | 
						|
 | 
						|
        result = self.client_patch(
 | 
						|
            "/json/messages/" + str(msg_id),
 | 
						|
            {
 | 
						|
                "message_id": msg_id,
 | 
						|
                "stream_id": new_stream.id,
 | 
						|
                "propagate_mode": "change_all",
 | 
						|
                "send_notification_to_old_thread": "false",
 | 
						|
                "send_notification_to_new_thread": "true",
 | 
						|
            },
 | 
						|
        )
 | 
						|
 | 
						|
        self.assert_json_success(result)
 | 
						|
 | 
						|
        messages = get_topic_messages(user_profile, old_stream, "test")
 | 
						|
        self.assertEqual(len(messages), 0)
 | 
						|
 | 
						|
        messages = get_topic_messages(user_profile, new_stream, "test")
 | 
						|
        self.assertEqual(len(messages), 4)
 | 
						|
        self.assertEqual(
 | 
						|
            messages[3].content,
 | 
						|
            f"This topic was moved here from #**test move stream>test** by @_**Iago|{user_profile.id}**",
 | 
						|
        )
 | 
						|
 | 
						|
    def test_notify_old_thread_move_message_to_stream(self) -> None:
 | 
						|
        (user_profile, old_stream, new_stream, msg_id, msg_id_lt) = self.prepare_move_topics(
 | 
						|
            "iago", "test move stream", "new stream", "test"
 | 
						|
        )
 | 
						|
 | 
						|
        result = self.client_patch(
 | 
						|
            "/json/messages/" + str(msg_id),
 | 
						|
            {
 | 
						|
                "message_id": msg_id,
 | 
						|
                "stream_id": new_stream.id,
 | 
						|
                "propagate_mode": "change_all",
 | 
						|
                "send_notification_to_old_thread": "true",
 | 
						|
                "send_notification_to_new_thread": "false",
 | 
						|
            },
 | 
						|
        )
 | 
						|
 | 
						|
        self.assert_json_success(result)
 | 
						|
 | 
						|
        messages = get_topic_messages(user_profile, old_stream, "test")
 | 
						|
        self.assertEqual(len(messages), 1)
 | 
						|
        self.assertEqual(
 | 
						|
            messages[0].content,
 | 
						|
            f"This topic was moved by @_**Iago|{user_profile.id}** to #**new stream>test**",
 | 
						|
        )
 | 
						|
 | 
						|
        messages = get_topic_messages(user_profile, new_stream, "test")
 | 
						|
        self.assertEqual(len(messages), 3)
 | 
						|
 | 
						|
    def parameterized_test_move_message_involving_private_stream(
 | 
						|
        self,
 | 
						|
        from_invite_only: bool,
 | 
						|
        history_public_to_subscribers: bool,
 | 
						|
        user_messages_created: bool,
 | 
						|
        to_invite_only: bool = True,
 | 
						|
    ) -> None:
 | 
						|
        admin_user = self.example_user("iago")
 | 
						|
        user_losing_access = self.example_user("cordelia")
 | 
						|
        user_gaining_access = self.example_user("hamlet")
 | 
						|
 | 
						|
        self.login("iago")
 | 
						|
        old_stream = self.make_stream("test move stream", invite_only=from_invite_only)
 | 
						|
        new_stream = self.make_stream(
 | 
						|
            "new stream",
 | 
						|
            invite_only=to_invite_only,
 | 
						|
            history_public_to_subscribers=history_public_to_subscribers,
 | 
						|
        )
 | 
						|
 | 
						|
        self.subscribe(admin_user, old_stream.name)
 | 
						|
        self.subscribe(user_losing_access, old_stream.name)
 | 
						|
 | 
						|
        self.subscribe(admin_user, new_stream.name)
 | 
						|
        self.subscribe(user_gaining_access, new_stream.name)
 | 
						|
 | 
						|
        msg_id = self.send_stream_message(
 | 
						|
            admin_user, old_stream.name, topic_name="test", content="First"
 | 
						|
        )
 | 
						|
        self.send_stream_message(admin_user, old_stream.name, topic_name="test", content="Second")
 | 
						|
 | 
						|
        self.assertEqual(
 | 
						|
            UserMessage.objects.filter(
 | 
						|
                user_profile_id=user_losing_access.id,
 | 
						|
                message_id=msg_id,
 | 
						|
            ).count(),
 | 
						|
            1,
 | 
						|
        )
 | 
						|
        self.assertEqual(
 | 
						|
            UserMessage.objects.filter(
 | 
						|
                user_profile_id=user_gaining_access.id,
 | 
						|
                message_id=msg_id,
 | 
						|
            ).count(),
 | 
						|
            0,
 | 
						|
        )
 | 
						|
 | 
						|
        result = self.client_patch(
 | 
						|
            "/json/messages/" + str(msg_id),
 | 
						|
            {
 | 
						|
                "message_id": msg_id,
 | 
						|
                "stream_id": new_stream.id,
 | 
						|
                "propagate_mode": "change_all",
 | 
						|
            },
 | 
						|
        )
 | 
						|
        self.assert_json_success(result)
 | 
						|
 | 
						|
        messages = get_topic_messages(admin_user, old_stream, "test")
 | 
						|
        self.assertEqual(len(messages), 1)
 | 
						|
        self.assertEqual(
 | 
						|
            messages[0].content,
 | 
						|
            f"This topic was moved by @_**Iago|{admin_user.id}** to #**new stream>test**",
 | 
						|
        )
 | 
						|
 | 
						|
        messages = get_topic_messages(admin_user, new_stream, "test")
 | 
						|
        self.assertEqual(len(messages), 3)
 | 
						|
 | 
						|
        self.assertEqual(
 | 
						|
            UserMessage.objects.filter(
 | 
						|
                user_profile_id=user_losing_access.id,
 | 
						|
                message_id=msg_id,
 | 
						|
            ).count(),
 | 
						|
            0,
 | 
						|
        )
 | 
						|
        # When the history is shared, UserMessage is not created for the user but the user
 | 
						|
        # can see the message.
 | 
						|
        self.assertEqual(
 | 
						|
            UserMessage.objects.filter(
 | 
						|
                user_profile_id=user_gaining_access.id,
 | 
						|
                message_id=msg_id,
 | 
						|
            ).count(),
 | 
						|
            1 if user_messages_created else 0,
 | 
						|
        )
 | 
						|
 | 
						|
    def test_move_message_from_public_to_private_stream_not_shared_history(self) -> None:
 | 
						|
        self.parameterized_test_move_message_involving_private_stream(
 | 
						|
            from_invite_only=False,
 | 
						|
            history_public_to_subscribers=False,
 | 
						|
            user_messages_created=True,
 | 
						|
        )
 | 
						|
 | 
						|
    def test_move_message_from_public_to_private_stream_shared_history(self) -> None:
 | 
						|
        self.parameterized_test_move_message_involving_private_stream(
 | 
						|
            from_invite_only=False,
 | 
						|
            history_public_to_subscribers=True,
 | 
						|
            user_messages_created=False,
 | 
						|
        )
 | 
						|
 | 
						|
    def test_move_message_from_private_to_private_stream_not_shared_history(self) -> None:
 | 
						|
        self.parameterized_test_move_message_involving_private_stream(
 | 
						|
            from_invite_only=True,
 | 
						|
            history_public_to_subscribers=False,
 | 
						|
            user_messages_created=True,
 | 
						|
        )
 | 
						|
 | 
						|
    def test_move_message_from_private_to_private_stream_shared_history(self) -> None:
 | 
						|
        self.parameterized_test_move_message_involving_private_stream(
 | 
						|
            from_invite_only=True,
 | 
						|
            history_public_to_subscribers=True,
 | 
						|
            user_messages_created=False,
 | 
						|
        )
 | 
						|
 | 
						|
    def test_move_message_from_private_to_public(self) -> None:
 | 
						|
        self.parameterized_test_move_message_involving_private_stream(
 | 
						|
            from_invite_only=True,
 | 
						|
            history_public_to_subscribers=True,
 | 
						|
            user_messages_created=False,
 | 
						|
            to_invite_only=False,
 | 
						|
        )
 | 
						|
 | 
						|
 | 
						|
class DeleteMessageTest(ZulipTestCase):
 | 
						|
    def test_delete_message_invalid_request_format(self) -> None:
 | 
						|
        self.login("iago")
 | 
						|
        hamlet = self.example_user("hamlet")
 | 
						|
        msg_id = self.send_stream_message(hamlet, "Scotland")
 | 
						|
        result = self.client_delete(f"/json/messages/{msg_id + 1}", {"message_id": msg_id})
 | 
						|
        self.assert_json_error(result, "Invalid message(s)")
 | 
						|
        result = self.client_delete(f"/json/messages/{msg_id}")
 | 
						|
        self.assert_json_success(result)
 | 
						|
 | 
						|
    def test_delete_message_by_user(self) -> None:
 | 
						|
        def set_message_deleting_params(
 | 
						|
            allow_message_deleting: bool, message_content_delete_limit_seconds: int
 | 
						|
        ) -> None:
 | 
						|
            self.login("iago")
 | 
						|
            result = self.client_patch(
 | 
						|
                "/json/realm",
 | 
						|
                {
 | 
						|
                    "allow_message_deleting": orjson.dumps(allow_message_deleting).decode(),
 | 
						|
                    "message_content_delete_limit_seconds": message_content_delete_limit_seconds,
 | 
						|
                },
 | 
						|
            )
 | 
						|
            self.assert_json_success(result)
 | 
						|
 | 
						|
        def test_delete_message_by_admin(msg_id: int) -> HttpResponse:
 | 
						|
            self.login("iago")
 | 
						|
            result = self.client_delete(f"/json/messages/{msg_id}")
 | 
						|
            return result
 | 
						|
 | 
						|
        def test_delete_message_by_owner(msg_id: int) -> HttpResponse:
 | 
						|
            self.login("hamlet")
 | 
						|
            result = self.client_delete(f"/json/messages/{msg_id}")
 | 
						|
            return result
 | 
						|
 | 
						|
        def test_delete_message_by_other_user(msg_id: int) -> HttpResponse:
 | 
						|
            self.login("cordelia")
 | 
						|
            result = self.client_delete(f"/json/messages/{msg_id}")
 | 
						|
            return result
 | 
						|
 | 
						|
        # Test if message deleting is not allowed(default).
 | 
						|
        set_message_deleting_params(False, 0)
 | 
						|
        hamlet = self.example_user("hamlet")
 | 
						|
        self.login_user(hamlet)
 | 
						|
        msg_id = self.send_stream_message(hamlet, "Scotland")
 | 
						|
 | 
						|
        result = test_delete_message_by_owner(msg_id=msg_id)
 | 
						|
        self.assert_json_error(result, "You don't have permission to delete this message")
 | 
						|
 | 
						|
        result = test_delete_message_by_other_user(msg_id=msg_id)
 | 
						|
        self.assert_json_error(result, "You don't have permission to delete this message")
 | 
						|
 | 
						|
        result = test_delete_message_by_admin(msg_id=msg_id)
 | 
						|
        self.assert_json_success(result)
 | 
						|
 | 
						|
        # Test if message deleting is allowed.
 | 
						|
        # Test if time limit is zero(no limit).
 | 
						|
        set_message_deleting_params(True, 0)
 | 
						|
        msg_id = self.send_stream_message(hamlet, "Scotland")
 | 
						|
        message = Message.objects.get(id=msg_id)
 | 
						|
        message.date_sent = message.date_sent - datetime.timedelta(seconds=600)
 | 
						|
        message.save()
 | 
						|
 | 
						|
        result = test_delete_message_by_other_user(msg_id=msg_id)
 | 
						|
        self.assert_json_error(result, "You don't have permission to delete this message")
 | 
						|
 | 
						|
        result = test_delete_message_by_owner(msg_id=msg_id)
 | 
						|
        self.assert_json_success(result)
 | 
						|
 | 
						|
        # Test if time limit is non-zero.
 | 
						|
        set_message_deleting_params(True, 240)
 | 
						|
        msg_id_1 = self.send_stream_message(hamlet, "Scotland")
 | 
						|
        message = Message.objects.get(id=msg_id_1)
 | 
						|
        message.date_sent = message.date_sent - datetime.timedelta(seconds=120)
 | 
						|
        message.save()
 | 
						|
 | 
						|
        msg_id_2 = self.send_stream_message(hamlet, "Scotland")
 | 
						|
        message = Message.objects.get(id=msg_id_2)
 | 
						|
        message.date_sent = message.date_sent - datetime.timedelta(seconds=360)
 | 
						|
        message.save()
 | 
						|
 | 
						|
        result = test_delete_message_by_other_user(msg_id=msg_id_1)
 | 
						|
        self.assert_json_error(result, "You don't have permission to delete this message")
 | 
						|
 | 
						|
        result = test_delete_message_by_owner(msg_id=msg_id_1)
 | 
						|
        self.assert_json_success(result)
 | 
						|
        result = test_delete_message_by_owner(msg_id=msg_id_2)
 | 
						|
        self.assert_json_error(result, "The time limit for deleting this message has passed")
 | 
						|
 | 
						|
        # No limit for admin.
 | 
						|
        result = test_delete_message_by_admin(msg_id=msg_id_2)
 | 
						|
        self.assert_json_success(result)
 | 
						|
 | 
						|
        # Test multiple delete requests with no latency issues
 | 
						|
        msg_id = self.send_stream_message(hamlet, "Scotland")
 | 
						|
        result = test_delete_message_by_owner(msg_id=msg_id)
 | 
						|
        self.assert_json_success(result)
 | 
						|
        result = test_delete_message_by_owner(msg_id=msg_id)
 | 
						|
        self.assert_json_error(result, "Invalid message(s)")
 | 
						|
 | 
						|
        # Test handling of 500 error caused by multiple delete requests due to latency.
 | 
						|
        # see issue #11219.
 | 
						|
        with mock.patch("zerver.views.message_edit.do_delete_messages") as m, mock.patch(
 | 
						|
            "zerver.views.message_edit.validate_can_delete_message", return_value=None
 | 
						|
        ), mock.patch("zerver.views.message_edit.access_message", return_value=(None, None)):
 | 
						|
            m.side_effect = IntegrityError()
 | 
						|
            result = test_delete_message_by_owner(msg_id=msg_id)
 | 
						|
            self.assert_json_error(result, "Message already deleted")
 | 
						|
            m.side_effect = Message.DoesNotExist()
 | 
						|
            result = test_delete_message_by_owner(msg_id=msg_id)
 | 
						|
            self.assert_json_error(result, "Message already deleted")
 |