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https://github.com/pybind/pybind11.git
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120 lines
4.0 KiB
Python
120 lines
4.0 KiB
Python
from __future__ import annotations
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import builtins
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import pytest
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import env
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from pybind11_tests import ConstructorStats
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from pybind11_tests import modules as m
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from pybind11_tests.modules import subsubmodule as ms
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def test_nested_modules():
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import pybind11_tests
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assert pybind11_tests.__name__ == "pybind11_tests"
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assert pybind11_tests.modules.__name__ == "pybind11_tests.modules"
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assert (
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pybind11_tests.modules.subsubmodule.__name__
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== "pybind11_tests.modules.subsubmodule"
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)
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assert m.__name__ == "pybind11_tests.modules"
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assert ms.__name__ == "pybind11_tests.modules.subsubmodule"
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assert ms.submodule_func() == "submodule_func()"
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@pytest.mark.skipif("env.GRAALPY", reason="Cannot reliably trigger GC")
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def test_reference_internal():
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b = ms.B()
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assert str(b.get_a1()) == "A[1]"
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assert str(b.a1) == "A[1]"
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assert str(b.get_a2()) == "A[2]"
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assert str(b.a2) == "A[2]"
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b.a1 = ms.A(42)
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b.a2 = ms.A(43)
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assert str(b.get_a1()) == "A[42]"
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assert str(b.a1) == "A[42]"
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assert str(b.get_a2()) == "A[43]"
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assert str(b.a2) == "A[43]"
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astats, bstats = ConstructorStats.get(ms.A), ConstructorStats.get(ms.B)
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assert astats.alive() == 2
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assert bstats.alive() == 1
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del b
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assert astats.alive() == 0
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assert bstats.alive() == 0
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assert astats.values() == ["1", "2", "42", "43"]
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assert bstats.values() == []
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assert astats.default_constructions == 0
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assert bstats.default_constructions == 1
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assert astats.copy_constructions == 0
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assert bstats.copy_constructions == 0
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# assert astats.move_constructions >= 0 # Don't invoke any
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# assert bstats.move_constructions >= 0 # Don't invoke any
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assert astats.copy_assignments == 2
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assert bstats.copy_assignments == 0
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assert astats.move_assignments == 0
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assert bstats.move_assignments == 0
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def test_importing():
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from collections import OrderedDict
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from pybind11_tests.modules import OD
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assert OD is OrderedDict
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def test_pydoc():
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"""Pydoc needs to be able to provide help() for everything inside a pybind11 module"""
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import pydoc
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import pybind11_tests
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assert pybind11_tests.__name__ == "pybind11_tests"
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assert pybind11_tests.__doc__ == "pybind11 test module"
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assert pydoc.text.docmodule(pybind11_tests)
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def test_duplicate_registration():
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"""Registering two things with the same name"""
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assert m.duplicate_registration() == []
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def test_builtin_key_type():
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"""Test that all the keys in the builtin modules have type str.
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Previous versions of pybind11 would add a unicode key in python 2.
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"""
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assert all(type(k) == str for k in dir(builtins))
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@pytest.mark.xfail("env.PYPY", reason="PyModule_GetName()")
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def test_def_submodule_failures():
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sm = m.def_submodule(m, b"ScratchSubModuleName") # Using bytes to show it works.
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assert sm.__name__ == m.__name__ + "." + "ScratchSubModuleName"
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malformed_utf8 = b"\x80"
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if env.PYPY or env.GRAALPY:
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# It is not worth the effort finding a trigger for a failure when running with PyPy.
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pytest.skip("Sufficiently exercised on platforms other than PyPy/GraalPy.")
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else:
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# Meant to trigger PyModule_GetName() failure:
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sm_name_orig = sm.__name__
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sm.__name__ = malformed_utf8
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try:
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# We want to assert that a bad __name__ causes some kind of failure, although we do not want to exercise
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# the internals of PyModule_GetName(). Currently all supported Python versions raise SystemError. If that
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# changes in future Python versions, simply add the new expected exception types here.
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with pytest.raises(SystemError):
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m.def_submodule(sm, b"SubSubModuleName")
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finally:
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# Clean up to ensure nothing gets upset by a module with an invalid __name__.
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sm.__name__ = sm_name_orig # Purely precautionary.
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# Meant to trigger PyImport_AddModule() failure:
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with pytest.raises(UnicodeDecodeError):
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m.def_submodule(sm, malformed_utf8)
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