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/*
tests/test_warnings.cpp -- usage of warnings::warn() and warnings categories.
Copyright (c) 2024 Jan Iwaszkiewicz <jiwaszkiewicz6@gmail.com>
All rights reserved. Use of this source code is governed by a
BSD-style license that can be found in the LICENSE file.
*/
#include <pybind11/warnings.h>
#include "pybind11_tests.h"
#include <utility>
TEST_SUBMODULE(warnings_, m) {
// Test warning mechanism base
m.def("warn_and_return_value", []() {
std::string message = "This is simple warning";
py::warnings::warn(message.c_str(), PyExc_Warning);
return 21;
});
m.def("warn_with_default_category", []() { py::warnings::warn("This is RuntimeWarning"); });
m.def("warn_with_different_category",
[]() { py::warnings::warn("This is FutureWarning", PyExc_FutureWarning); });
m.def("warn_with_invalid_category",
[]() { py::warnings::warn("Invalid category", PyExc_Exception); });
// Test custom warnings
PYBIND11_CONSTINIT static py::gil_safe_call_once_and_store<py::object> ex_storage;
ex_storage.call_once_and_store_result([&]() {
return py::warnings::new_warning_type(m, "CustomWarning", PyExc_DeprecationWarning);
});
m.def("warn_with_custom_type", []() {
py::warnings::warn("This is CustomWarning", ex_storage.get_stored());
return 37;
});
m.def("register_duplicate_warning",
[m]() { py::warnings::new_warning_type(m, "CustomWarning", PyExc_RuntimeWarning); });
}
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