blob: e11d68e78e904006646faba0379fa7b81942e120 [file] [log] [blame] [edit]
import pytest
import env
from pybind11_tests import ConstructorStats
from pybind11_tests import modules as m
from pybind11_tests.modules import subsubmodule as ms
def test_nested_modules():
import pybind11_tests
assert pybind11_tests.__name__ == "pybind11_tests"
assert pybind11_tests.modules.__name__ == "pybind11_tests.modules"
assert (
pybind11_tests.modules.subsubmodule.__name__
== "pybind11_tests.modules.subsubmodule"
)
assert m.__name__ == "pybind11_tests.modules"
assert ms.__name__ == "pybind11_tests.modules.subsubmodule"
assert ms.submodule_func() == "submodule_func()"
def test_reference_internal():
b = ms.B()
assert str(b.get_a1()) == "A[1]"
assert str(b.a1) == "A[1]"
assert str(b.get_a2()) == "A[2]"
assert str(b.a2) == "A[2]"
b.a1 = ms.A(42)
b.a2 = ms.A(43)
assert str(b.get_a1()) == "A[42]"
assert str(b.a1) == "A[42]"
assert str(b.get_a2()) == "A[43]"
assert str(b.a2) == "A[43]"
astats, bstats = ConstructorStats.get(ms.A), ConstructorStats.get(ms.B)
assert astats.alive() == 2
assert bstats.alive() == 1
del b
assert astats.alive() == 0
assert bstats.alive() == 0
assert astats.values() == ["1", "2", "42", "43"]
assert bstats.values() == []
assert astats.default_constructions == 0
assert bstats.default_constructions == 1
assert astats.copy_constructions == 0
assert bstats.copy_constructions == 0
# assert astats.move_constructions >= 0 # Don't invoke any
# assert bstats.move_constructions >= 0 # Don't invoke any
assert astats.copy_assignments == 2
assert bstats.copy_assignments == 0
assert astats.move_assignments == 0
assert bstats.move_assignments == 0
def test_importing():
from collections import OrderedDict
from pybind11_tests.modules import OD
assert OD is OrderedDict
assert str(OD([(1, "a"), (2, "b")])) == "OrderedDict([(1, 'a'), (2, 'b')])"
def test_pydoc():
"""Pydoc needs to be able to provide help() for everything inside a pybind11 module"""
import pydoc
import pybind11_tests
assert pybind11_tests.__name__ == "pybind11_tests"
assert pybind11_tests.__doc__ == "pybind11 test module"
assert pydoc.text.docmodule(pybind11_tests)
def test_duplicate_registration():
"""Registering two things with the same name"""
assert m.duplicate_registration() == []
def test_builtin_key_type():
"""Test that all the keys in the builtin modules have type str.
Previous versions of pybind11 would add a unicode key in python 2.
"""
if hasattr(__builtins__, "keys"):
keys = __builtins__.keys()
else: # this is to make pypy happy since builtins is different there.
keys = __builtins__.__dict__.keys()
assert {type(k) for k in keys} == {str}
@pytest.mark.xfail("env.PYPY", reason="PyModule_GetName()")
def test_def_submodule_failures():
sm = m.def_submodule(m, b"ScratchSubModuleName") # Using bytes to show it works.
assert sm.__name__ == m.__name__ + "." + "ScratchSubModuleName"
malformed_utf8 = b"\x80"
if env.PYPY:
# It is not worth the effort finding a trigger for a failure when running with PyPy.
pytest.skip("Sufficiently exercised on platforms other than PyPy.")
else:
# Meant to trigger PyModule_GetName() failure:
sm_name_orig = sm.__name__
sm.__name__ = malformed_utf8
try:
with pytest.raises(Exception):
# Seen with Python 3.9: SystemError: nameless module
# But we do not want to exercise the internals of PyModule_GetName(), which could
# change in future versions of Python, but a bad __name__ is very likely to cause
# some kind of failure indefinitely.
m.def_submodule(sm, b"SubSubModuleName")
finally:
# Clean up to ensure nothing gets upset by a module with an invalid __name__.
sm.__name__ = sm_name_orig # Purely precautionary.
# Meant to trigger PyImport_AddModule() failure:
with pytest.raises(UnicodeDecodeError):
m.def_submodule(sm, malformed_utf8)