def test_convert_stream_subscription_data(self) -> None:
        fixture_dir_name = self.fixture_file_name("", "rocketchat_fixtures")
        rocketchat_data = rocketchat_data_to_dict(fixture_dir_name)

        realm_id = 3
        domain_name = "zulip.com"

        user_handler = UserHandler()
        subscriber_handler = SubscriberHandler()
        user_id_mapper = IdMapper()
        stream_id_mapper = IdMapper()

        user_id_to_user_map = map_user_id_to_user(rocketchat_data["user"])

        process_users(
            user_id_to_user_map=user_id_to_user_map,
            realm_id=realm_id,
            domain_name=domain_name,
            user_handler=user_handler,
            user_id_mapper=user_id_mapper,
        )

        room_id_to_room_map: Dict[str, Dict[str, Any]] = {}
        team_id_to_team_map: Dict[str, Dict[str, Any]] = {}
        dsc_id_to_dsc_map: Dict[str, Dict[str, Any]] = {}
        direct_id_to_direct_map: Dict[str, Dict[str, Any]] = {}
        huddle_id_to_huddle_map: Dict[str, Dict[str, Any]] = {}

        categorize_channels_and_map_with_id(
            channel_data=rocketchat_data["room"],
            room_id_to_room_map=room_id_to_room_map,
            team_id_to_team_map=team_id_to_team_map,
            dsc_id_to_dsc_map=dsc_id_to_dsc_map,
            direct_id_to_direct_map=direct_id_to_direct_map,
            huddle_id_to_huddle_map=huddle_id_to_huddle_map,
        )

        zerver_stream = convert_channel_data(
            room_id_to_room_map=room_id_to_room_map,
            team_id_to_team_map=team_id_to_team_map,
            stream_id_mapper=stream_id_mapper,
            realm_id=realm_id,
        )

        convert_stream_subscription_data(
            user_id_to_user_map=user_id_to_user_map,
            dsc_id_to_dsc_map=dsc_id_to_dsc_map,
            zerver_stream=zerver_stream,
            stream_id_mapper=stream_id_mapper,
            user_id_mapper=user_id_mapper,
            subscriber_handler=subscriber_handler,
        )

        priyansh_id = user_id_mapper.get(rocketchat_data["user"][1]["_id"])
        harry_id = user_id_mapper.get(rocketchat_data["user"][2]["_id"])
        hermione_id = user_id_mapper.get(rocketchat_data["user"][3]["_id"])
        ron_id = user_id_mapper.get(rocketchat_data["user"][4]["_id"])
        voldemort_id = user_id_mapper.get(rocketchat_data["user"][5]["_id"])

        self.assertEqual(
            subscriber_handler.get_users(stream_id=zerver_stream[0]["id"]),
            {priyansh_id, harry_id, ron_id, hermione_id, voldemort_id},
        )
        self.assertEqual(
            subscriber_handler.get_users(stream_id=zerver_stream[1]["id"]),
            {priyansh_id, harry_id})
        self.assertEqual(
            subscriber_handler.get_users(stream_id=zerver_stream[2]["id"]),
            {harry_id, hermione_id})
        self.assertEqual(
            subscriber_handler.get_users(stream_id=zerver_stream[3]["id"]),
            {harry_id, ron_id, hermione_id},
        )
        self.assertEqual(
            subscriber_handler.get_users(stream_id=zerver_stream[4]["id"]),
            {harry_id})
        self.assertEqual(
            subscriber_handler.get_users(stream_id=zerver_stream[5]["id"]),
            {harry_id})

        # Add a new channel with no user.
        no_user_channel: Dict[str, Any] = {
            "_id": "rand0mID",
            "ts": datetime.datetime(2021, 7, 15, 10, 58, 23, 647000),
            "t": "c",
            "name": "no-user-channel",
        }
        room_id_to_room_map[no_user_channel["_id"]] = no_user_channel

        zerver_stream = convert_channel_data(
            room_id_to_room_map=room_id_to_room_map,
            team_id_to_team_map=team_id_to_team_map,
            stream_id_mapper=stream_id_mapper,
            realm_id=realm_id,
        )

        convert_stream_subscription_data(
            user_id_to_user_map=user_id_to_user_map,
            dsc_id_to_dsc_map=dsc_id_to_dsc_map,
            zerver_stream=zerver_stream,
            stream_id_mapper=stream_id_mapper,
            user_id_mapper=user_id_mapper,
            subscriber_handler=subscriber_handler,
        )

        self.assert_length(
            subscriber_handler.get_users(stream_id=zerver_stream[6]["id"]), 0)
        self.assertTrue(zerver_stream[6]["deactivated"])
    def test_map_receiver_id_to_recipient_id(self) -> None:
        fixture_dir_name = self.fixture_file_name("", "rocketchat_fixtures")
        rocketchat_data = rocketchat_data_to_dict(fixture_dir_name)

        realm_id = 3
        domain_name = "zulip.com"

        user_handler = UserHandler()
        subscriber_handler = SubscriberHandler()
        user_id_mapper = IdMapper()
        stream_id_mapper = IdMapper()
        huddle_id_mapper = IdMapper()

        user_id_to_user_map = map_user_id_to_user(rocketchat_data["user"])

        process_users(
            user_id_to_user_map=user_id_to_user_map,
            realm_id=realm_id,
            domain_name=domain_name,
            user_handler=user_handler,
            user_id_mapper=user_id_mapper,
        )

        room_id_to_room_map: Dict[str, Dict[str, Any]] = {}
        team_id_to_team_map: Dict[str, Dict[str, Any]] = {}
        dsc_id_to_dsc_map: Dict[str, Dict[str, Any]] = {}
        direct_id_to_direct_map: Dict[str, Dict[str, Any]] = {}
        huddle_id_to_huddle_map: Dict[str, Dict[str, Any]] = {}

        categorize_channels_and_map_with_id(
            channel_data=rocketchat_data["room"],
            room_id_to_room_map=room_id_to_room_map,
            team_id_to_team_map=team_id_to_team_map,
            dsc_id_to_dsc_map=dsc_id_to_dsc_map,
            direct_id_to_direct_map=direct_id_to_direct_map,
            huddle_id_to_huddle_map=huddle_id_to_huddle_map,
        )

        zerver_stream = convert_channel_data(
            room_id_to_room_map=room_id_to_room_map,
            team_id_to_team_map=team_id_to_team_map,
            stream_id_mapper=stream_id_mapper,
            realm_id=realm_id,
        )

        zerver_huddle = convert_huddle_data(
            huddle_id_to_huddle_map=huddle_id_to_huddle_map,
            huddle_id_mapper=huddle_id_mapper,
            user_id_mapper=user_id_mapper,
            subscriber_handler=subscriber_handler,
        )

        all_users = user_handler.get_all_users()

        zerver_recipient = build_recipients(
            zerver_userprofile=all_users,
            zerver_stream=zerver_stream,
            zerver_huddle=zerver_huddle,
        )

        stream_id_to_recipient_id: Dict[int, int] = {}
        user_id_to_recipient_id: Dict[int, int] = {}
        huddle_id_to_recipient_id: Dict[int, int] = {}

        map_receiver_id_to_recipient_id(
            zerver_recipient=zerver_recipient,
            stream_id_to_recipient_id=stream_id_to_recipient_id,
            user_id_to_recipient_id=user_id_to_recipient_id,
            huddle_id_to_recipient_id=huddle_id_to_recipient_id,
        )

        # 6 for streams and 6 for users.
        self.assert_length(zerver_recipient, 13)
        self.assert_length(stream_id_to_recipient_id, 6)
        self.assert_length(user_id_to_recipient_id, 6)
        self.assert_length(huddle_id_to_recipient_id, 1)

        # First user recipients are built, followed by stream recipients in `build_recipients`.
        self.assertEqual(
            user_id_to_recipient_id[zerver_recipient[0]["type_id"]],
            zerver_recipient[0]["id"])
        self.assertEqual(
            user_id_to_recipient_id[zerver_recipient[1]["type_id"]],
            zerver_recipient[1]["id"])

        self.assertEqual(
            stream_id_to_recipient_id[zerver_recipient[6]["type_id"]],
            zerver_recipient[6]["id"])
        self.assertEqual(
            stream_id_to_recipient_id[zerver_recipient[7]["type_id"]],
            zerver_recipient[7]["id"])

        self.assertEqual(
            huddle_id_to_recipient_id[zerver_recipient[12]["type_id"]],
            zerver_recipient[12]["id"])
    def test_convert_channel_data(self) -> None:
        fixture_dir_name = self.fixture_file_name("", "rocketchat_fixtures")
        rocketchat_data = rocketchat_data_to_dict(fixture_dir_name)

        realm_id = 3
        stream_id_mapper = IdMapper()

        room_id_to_room_map: Dict[str, Dict[str, Any]] = {}
        team_id_to_team_map: Dict[str, Dict[str, Any]] = {}
        dsc_id_to_dsc_map: Dict[str, Dict[str, Any]] = {}
        direct_id_to_direct_map: Dict[str, Dict[str, Any]] = {}
        huddle_id_to_huddle_map: Dict[str, Dict[str, Any]] = {}

        categorize_channels_and_map_with_id(
            channel_data=rocketchat_data["room"],
            room_id_to_room_map=room_id_to_room_map,
            team_id_to_team_map=team_id_to_team_map,
            dsc_id_to_dsc_map=dsc_id_to_dsc_map,
            direct_id_to_direct_map=direct_id_to_direct_map,
            huddle_id_to_huddle_map=huddle_id_to_huddle_map,
        )

        zerver_stream = convert_channel_data(
            room_id_to_room_map=room_id_to_room_map,
            team_id_to_team_map=team_id_to_team_map,
            stream_id_mapper=stream_id_mapper,
            realm_id=realm_id,
        )

        # Only rooms are converted to streams.
        self.assert_length(room_id_to_room_map, 6)
        self.assert_length(zerver_stream, 6)

        # Normal public stream
        self.assertEqual(zerver_stream[0]["name"], "general")
        self.assertEqual(zerver_stream[0]["invite_only"], False)
        self.assertEqual(zerver_stream[0]["description"],
                         "This is a general channel.")
        self.assertEqual(zerver_stream[0]["rendered_description"], "")
        self.assertEqual(zerver_stream[0]["stream_post_policy"], 1)
        self.assertEqual(zerver_stream[0]["realm"], realm_id)

        # Private stream
        self.assertEqual(zerver_stream[1]["name"], "random")
        self.assertEqual(zerver_stream[1]["invite_only"], True)
        self.assertEqual(zerver_stream[1]["description"], "")
        self.assertEqual(zerver_stream[1]["rendered_description"], "")
        self.assertEqual(zerver_stream[1]["stream_post_policy"], 1)
        self.assertEqual(zerver_stream[1]["realm"], realm_id)

        # Team main
        self.assertEqual(zerver_stream[3]["name"], "[TEAM] team-harry-potter")
        self.assertEqual(zerver_stream[3]["invite_only"], True)
        self.assertEqual(zerver_stream[3]["description"],
                         "Welcome to the official Harry Potter team.")
        self.assertEqual(zerver_stream[3]["rendered_description"], "")
        self.assertEqual(zerver_stream[3]["stream_post_policy"], 1)
        self.assertEqual(zerver_stream[3]["realm"], realm_id)

        # Team channel
        self.assertEqual(zerver_stream[5]["name"], "thp-channel-2")
        self.assertEqual(zerver_stream[5]["invite_only"], False)
        self.assertEqual(zerver_stream[5]["description"],
                         "[Team team-harry-potter channel]. ")
        self.assertEqual(zerver_stream[5]["rendered_description"], "")
        self.assertEqual(zerver_stream[5]["stream_post_policy"], 1)
        self.assertEqual(zerver_stream[5]["realm"], realm_id)