):
    return {"file_size": len(p)}


@app.post(
    "/required-uploadfile-validation-alias",
    operation_id="required_uploadfile_validation_alias",
)
def read_required_uploadfile_validation_alias(
    p: Annotated[UploadFile, File(validation_alias="p_val_alias")],
):
    return {"file_size": p.size}


@pytest.mark.parametrize(
    "path",
    [