pybind11/tests/test_exceptions.py
2016-09-07 21:10:16 +01:00

44 lines
1.4 KiB
Python

import pytest
def test_error_already_set(msg):
from pybind11_tests import throw_already_set
with pytest.raises(RuntimeError) as excinfo:
throw_already_set(False)
assert msg(excinfo.value) == "Unknown internal error occurred"
with pytest.raises(ValueError) as excinfo:
throw_already_set(True)
assert msg(excinfo.value) == "foo"
def test_custom(msg):
from pybind11_tests import (MyException, throws1, throws2, throws3, throws4,
throws_logic_error)
# Can we catch a MyException?"
with pytest.raises(MyException) as excinfo:
throws1()
assert msg(excinfo.value) == "this error should go to a custom type"
# Can we translate to standard Python exceptions?
with pytest.raises(RuntimeError) as excinfo:
throws2()
assert msg(excinfo.value) == "this error should go to a standard Python exception"
# Can we handle unknown exceptions?
with pytest.raises(RuntimeError) as excinfo:
throws3()
assert msg(excinfo.value) == "Caught an unknown exception!"
# Can we delegate to another handler by rethrowing?
with pytest.raises(MyException) as excinfo:
throws4()
assert msg(excinfo.value) == "this error is rethrown"
# "Can we fall-through to the default handler?"
with pytest.raises(RuntimeError) as excinfo:
throws_logic_error()
assert msg(excinfo.value) == "this error should fall through to the standard handler"