disagreement/tests/test_sharding.py
2025-06-10 20:50:25 -06:00

119 lines
3.8 KiB
Python

import pytest
from unittest.mock import AsyncMock
from disagreement.shard_manager import ShardManager
from disagreement.client import Client, AutoShardedClient
from disagreement.event_dispatcher import EventDispatcher
class DummyGateway:
def __init__(self, *args, **kwargs):
self.connect = AsyncMock()
self.close = AsyncMock()
dispatcher = kwargs.get("event_dispatcher")
shard_id = kwargs.get("shard_id")
async def emit_connect():
await dispatcher.dispatch("SHARD_CONNECT", {"shard_id": shard_id})
async def emit_close():
await dispatcher.dispatch("SHARD_DISCONNECT", {"shard_id": shard_id})
async def emit_resume():
await dispatcher.dispatch("SHARD_RESUME", {"shard_id": shard_id})
self.connect.side_effect = emit_connect
self.close.side_effect = emit_close
self.resume = AsyncMock(side_effect=emit_resume)
class DummyClient:
def __init__(self):
self._http = object()
self._event_dispatcher = EventDispatcher(self)
self.token = "t"
self.intents = 0
self.verbose = False
self.gateway_max_retries = 5
self.gateway_max_backoff = 60.0
def test_shard_manager_creates_shards(monkeypatch):
monkeypatch.setattr("disagreement.shard_manager.GatewayClient", DummyGateway)
client = DummyClient()
manager = ShardManager(client, shard_count=3)
assert len(manager.shards) == 0
manager._create_shards()
assert len(manager.shards) == 3
@pytest.mark.asyncio
async def test_shard_manager_start_and_close(monkeypatch):
monkeypatch.setattr("disagreement.shard_manager.GatewayClient", DummyGateway)
client = DummyClient()
manager = ShardManager(client, shard_count=2)
await manager.start()
for shard in manager.shards:
shard.gateway.connect.assert_awaited_once()
await manager.close()
for shard in manager.shards:
shard.gateway.close.assert_awaited_once()
@pytest.mark.asyncio
async def test_client_uses_shard_manager(monkeypatch):
dummy_manager = AsyncMock()
monkeypatch.setattr("disagreement.client.ShardManager", lambda c, n: dummy_manager)
c = Client(token="x", shard_count=2)
monkeypatch.setattr(c, "wait_until_ready", AsyncMock())
await c.connect()
dummy_manager.start.assert_awaited_once()
@pytest.mark.asyncio
async def test_auto_sharded_client_fetches_count(monkeypatch):
class DummyHTTP:
async def get_gateway_bot(self):
return {"shards": 4}
dummy_manager = AsyncMock()
monkeypatch.setattr("disagreement.client.ShardManager", lambda c, n: dummy_manager)
c = AutoShardedClient(token="x")
c._http = DummyHTTP()
monkeypatch.setattr(c, "wait_until_ready", AsyncMock())
await c.connect()
dummy_manager.start.assert_awaited_once()
assert c.shard_count == 4
@pytest.mark.asyncio
async def test_shard_events_emitted(monkeypatch):
monkeypatch.setattr("disagreement.shard_manager.GatewayClient", DummyGateway)
client = DummyClient()
manager = ShardManager(client, shard_count=1)
events: list[tuple[str, int | None]] = []
async def on_connect(info):
events.append(("connect", info.get("shard_id")))
async def on_disconnect(info):
events.append(("disconnect", info.get("shard_id")))
async def on_resume(info):
events.append(("resume", info.get("shard_id")))
client._event_dispatcher.register("SHARD_CONNECT", on_connect)
client._event_dispatcher.register("SHARD_DISCONNECT", on_disconnect)
client._event_dispatcher.register("SHARD_RESUME", on_resume)
await manager.start()
await manager.shards[0].gateway.resume()
await manager.close()
assert ("connect", 0) in events
assert ("disconnect", 0) in events
assert ("resume", 0) in events