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chore: import upstream snapshot with attribution
2026-07-13 12:37:18 +08:00

70 lines
2.0 KiB
Python

from datetime import timedelta
from unittest.mock import AsyncMock
import pytest
import langgraph_sdk.cache as cache_module
@pytest.mark.asyncio
async def test_swr_proxies_to_server_impl(monkeypatch):
loader = AsyncMock(return_value={"ok": True})
forwarded = {}
async def fake_swr(key, inner_loader, *, fresh_for, max_age, model):
forwarded["key"] = key
forwarded["fresh_for"] = fresh_for
forwarded["max_age"] = max_age
forwarded["model"] = model
return await inner_loader()
monkeypatch.setattr(cache_module, "_api_swr", fake_swr)
result = await cache_module.swr(
"test-key",
loader,
fresh_for=timedelta(seconds=1),
max_age=timedelta(seconds=10),
)
assert result == {"ok": True}
assert forwarded == {
"key": "test-key",
"fresh_for": timedelta(seconds=1),
"max_age": timedelta(seconds=10),
"model": None,
}
loader.assert_awaited_once()
@pytest.mark.asyncio
async def test_swr_requires_server_runtime(monkeypatch):
monkeypatch.setattr(cache_module, "_api_swr", None)
with pytest.raises(RuntimeError, match="Cache is only available server-side"):
await cache_module.swr(
"test-key",
AsyncMock(return_value="unused"),
fresh_for=timedelta(seconds=1),
max_age=timedelta(seconds=10),
)
@pytest.mark.asyncio
async def test_swr_defaults(monkeypatch):
"""fresh_for defaults to 0, max_age defaults to 1 day."""
loader = AsyncMock(return_value="val")
forwarded = {}
async def fake_swr(_key, inner_loader, *, fresh_for, max_age, model): # noqa: ARG001
forwarded["fresh_for"] = fresh_for
forwarded["max_age"] = max_age
return await inner_loader()
monkeypatch.setattr(cache_module, "_api_swr", fake_swr)
await cache_module.swr("k", loader)
assert forwarded["fresh_for"] == timedelta(0)
assert forwarded["max_age"] == timedelta(days=1)