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import inspect
import pytest
from fastapi import APIRouter, FastAPI
@pytest.mark.parametrize(
"method_name", ["get", "put", "post", "delete", "options", "head", "patch", "trace"]
)
@pytest.mark.parametrize(
"sig_param", inspect.signature(APIRouter.get).parameters.items()
)
def test_signatures_consistency(method_name, sig_param):
router_method = getattr(APIRouter, method_name)
app_method = getattr(FastAPI, method_name)
router_sig = inspect.signature(router_method)
app_sig = inspect.signature(app_method)
param: inspect.Parameter
key, param = sig_param
router_param: inspect.Parameter = router_sig.parameters[key]
app_param: inspect.Parameter = app_sig.parameters[key]
assert param.annotation == router_param.annotation
assert param.annotation == app_param.annotation
assert param.default == router_param.default
assert param.default == app_param.default