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chat_grid/server/tests/test_nickname_updates.py

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2026-02-20 08:16:43 -05:00
from __future__ import annotations
import json
from typing import cast
import pytest
from websockets.asyncio.server import ServerConnection
from app.models import BroadcastChatMessagePacket, BroadcastNicknamePacket, NicknameResultPacket
from app.server import ClientConnection, SignalingServer
def _fake_ws() -> ServerConnection:
return cast(ServerConnection, object())
@pytest.mark.asyncio
async def test_same_nickname_same_case_is_noop(monkeypatch: pytest.MonkeyPatch) -> None:
server = SignalingServer("127.0.0.1", 8765, None, None)
ws = _fake_ws()
client = ClientConnection(websocket=ws, id="1", nickname="Jage")
server.clients[ws] = client
sent_packets: list[object] = []
broadcast_packets: list[object] = []
async def fake_send(websocket: ServerConnection, packet: object) -> None:
sent_packets.append(packet)
async def fake_broadcast(packet: object, exclude: ServerConnection | None = None) -> None:
broadcast_packets.append(packet)
monkeypatch.setattr(server, "_send", fake_send)
monkeypatch.setattr(server, "_broadcast", fake_broadcast)
await server._handle_message(client, json.dumps({"type": "update_nickname", "nickname": "Jage"}))
assert client.nickname == "Jage"
assert broadcast_packets == []
assert any(
isinstance(packet, NicknameResultPacket) and packet.accepted and packet.effectiveNickname == "Jage"
for packet in sent_packets
)
@pytest.mark.asyncio
async def test_case_only_change_is_allowed_and_broadcast(monkeypatch: pytest.MonkeyPatch) -> None:
server = SignalingServer("127.0.0.1", 8765, None, None)
ws = _fake_ws()
client = ClientConnection(websocket=ws, id="1", nickname="jage")
server.clients[ws] = client
sent_packets: list[object] = []
broadcast_packets: list[object] = []
async def fake_send(websocket: ServerConnection, packet: object) -> None:
sent_packets.append(packet)
async def fake_broadcast(packet: object, exclude: ServerConnection | None = None) -> None:
broadcast_packets.append(packet)
monkeypatch.setattr(server, "_send", fake_send)
monkeypatch.setattr(server, "_broadcast", fake_broadcast)
await server._handle_message(client, json.dumps({"type": "update_nickname", "nickname": "Jage"}))
assert client.nickname == "Jage"
assert any(
isinstance(packet, NicknameResultPacket) and packet.accepted and packet.effectiveNickname == "Jage"
for packet in sent_packets
)
assert any(isinstance(packet, BroadcastNicknamePacket) for packet in broadcast_packets)
assert any(isinstance(packet, BroadcastChatMessagePacket) for packet in broadcast_packets)