def test_missing_ctypes(self, monkeypatch):
"""
Keeps working if ctypes is missing.
A warning is emitted that points to the actual code.
"""
monkeypatch.setattr(attr._compat, "import_ctypes", lambda: None)
func = make_set_closure_cell()
with pytest.warns(RuntimeWarning) as wr:
func()
w = wr.pop()
assert __file__ == w.filename
assert (
"Missing ctypes. Some features like bare super() or accessing "
"__class__ will not work with slots classes.", ) == w.message.args
assert just_warn is func
def test_missing_ctypes(self, monkeypatch):
"""
Keeps working if ctypes is missing.
A warning is emitted that points to the actual code.
"""
monkeypatch.setattr(attr._compat, "import_ctypes", lambda: None)
func = make_set_closure_cell()
with pytest.warns(RuntimeWarning) as wr:
func()
w = wr.pop()
assert __file__ == w.filename
assert (
"Missing ctypes. Some features like bare super() or accessing "
"__class__ will not work with slots classes.",
) == w.message.args
assert just_warn is func
def test_code_hack_failure(self, monkeypatch):
"""
Keeps working if function/code object introspection doesn't work
on this (nonstandard) interpeter.
A warning is emitted that points to the actual code.
"""
# This is a pretty good approximation of the behavior of
# the actual types.CodeType on Brython.
monkeypatch.setattr(types, "CodeType", lambda: None)
func = make_set_closure_cell()
with pytest.warns(RuntimeWarning) as wr:
func()
w = wr.pop()
assert __file__ == w.filename
assert ("Running interpreter doesn't sufficiently support code object "
"introspection. Some features like bare super() or accessing "
"__class__ will not work with slotted classes.",
) == w.message.args
assert just_warn is func
