mirror of https://github.com/pybind/pybind11.git
104 lines
3.3 KiB
Python
104 lines
3.3 KiB
Python
# -*- coding: utf-8 -*-
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# Importing re before pytest after observing a PyPy CI flake when importing pytest first.
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import re
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import pytest
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from pybind11_tests import class_sh_basic as m
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def test_atyp_constructors():
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obj = m.atyp()
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assert obj.__class__.__name__ == "atyp"
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obj = m.atyp("")
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assert obj.__class__.__name__ == "atyp"
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obj = m.atyp("txtm")
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assert obj.__class__.__name__ == "atyp"
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@pytest.mark.parametrize(
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"rtrn_f, expected",
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[
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(m.rtrn_valu, "rtrn_valu(_MvCtor)*_MvCtor"),
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(m.rtrn_rref, "rtrn_rref(_MvCtor)*_MvCtor"),
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(m.rtrn_cref, "rtrn_cref(_MvCtor)*_CpCtor"),
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(m.rtrn_mref, "rtrn_mref(_MvCtor)*_CpCtor"),
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(m.rtrn_cptr, "rtrn_cptr"),
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(m.rtrn_mptr, "rtrn_mptr"),
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(m.rtrn_shmp, "rtrn_shmp"),
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(m.rtrn_shcp, "rtrn_shcp"),
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(m.rtrn_uqmp, "rtrn_uqmp"),
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(m.rtrn_uqcp, "rtrn_uqcp"),
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(m.rtrn_udmp, "rtrn_udmp"),
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(m.rtrn_udcp, "rtrn_udcp"),
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],
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)
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def test_cast(rtrn_f, expected):
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assert re.match(expected, m.get_mtxt(rtrn_f()))
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@pytest.mark.parametrize(
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"pass_f, mtxt, expected",
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[
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(m.pass_valu, "Valu", "pass_valu:Valu(_MvCtor)*_CpCtor"),
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(m.pass_cref, "Cref", "pass_cref:Cref(_MvCtor)*_MvCtor"),
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(m.pass_mref, "Mref", "pass_mref:Mref(_MvCtor)*_MvCtor"),
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(m.pass_cptr, "Cptr", "pass_cptr:Cptr(_MvCtor)*_MvCtor"),
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(m.pass_mptr, "Mptr", "pass_mptr:Mptr(_MvCtor)*_MvCtor"),
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(m.pass_shmp, "Shmp", "pass_shmp:Shmp(_MvCtor)*_MvCtor"),
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(m.pass_shcp, "Shcp", "pass_shcp:Shcp(_MvCtor)*_MvCtor"),
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(m.pass_uqmp, "Uqmp", "pass_uqmp:Uqmp(_MvCtor)*_MvCtor"),
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(m.pass_uqcp, "Uqcp", "pass_uqcp:Uqcp(_MvCtor)*_MvCtor"),
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],
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)
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def test_load_with_mtxt(pass_f, mtxt, expected):
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assert re.match(expected, pass_f(m.atyp(mtxt)))
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@pytest.mark.parametrize(
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"pass_f, rtrn_f, expected",
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[
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(m.pass_udmp, m.rtrn_udmp, "pass_udmp:rtrn_udmp"),
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(m.pass_udcp, m.rtrn_udcp, "pass_udcp:rtrn_udcp"),
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],
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)
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def test_load_with_rtrn_f(pass_f, rtrn_f, expected):
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assert pass_f(rtrn_f()) == expected
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@pytest.mark.parametrize(
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"pass_f, rtrn_f, expected",
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[
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(m.pass_uqmp, m.rtrn_uqmp, "pass_uqmp:rtrn_uqmp"),
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(m.pass_uqcp, m.rtrn_uqcp, "pass_uqcp:rtrn_uqcp"),
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(m.pass_udmp, m.rtrn_udmp, "pass_udmp:rtrn_udmp"),
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(m.pass_udcp, m.rtrn_udcp, "pass_udcp:rtrn_udcp"),
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],
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)
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def test_pass_unique_ptr_disowns(pass_f, rtrn_f, expected):
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obj = rtrn_f()
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assert pass_f(obj) == expected
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with pytest.raises(ValueError) as exc_info:
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pass_f(obj)
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assert str(exc_info.value) == (
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"Missing value for wrapped C++ type: Python instance was disowned."
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)
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def test_unique_ptr_roundtrip(num_round_trips=1000):
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# Multiple roundtrips to stress-test instance registration/deregistration.
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recycled = m.atyp("passenger")
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for _ in range(num_round_trips):
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id_orig = id(recycled)
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recycled = m.unique_ptr_roundtrip(recycled)
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assert re.match("passenger(_MvCtor)*_MvCtor", m.get_mtxt(recycled))
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id_rtrn = id(recycled)
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# Ensure the returned object is a different Python instance.
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assert id_rtrn != id_orig
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id_orig = id_rtrn
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def test_py_type_handle_of_atyp():
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obj = m.py_type_handle_of_atyp()
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assert obj.__class__.__name__ == "pybind11_type"
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