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111 lines
2.8 KiB
111 lines
2.8 KiB
import pytest
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def test_multiple_inheritance_cpp():
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from pybind11_tests import MIType
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mt = MIType(3, 4)
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assert mt.foo() == 3
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assert mt.bar() == 4
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def test_multiple_inheritance_mix1():
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from pybind11_tests import Base2
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class Base1:
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def __init__(self, i):
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self.i = i
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def foo(self):
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return self.i
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class MITypePy(Base1, Base2):
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def __init__(self, i, j):
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Base1.__init__(self, i)
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Base2.__init__(self, j)
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mt = MITypePy(3, 4)
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assert mt.foo() == 3
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assert mt.bar() == 4
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def test_multiple_inheritance_mix2():
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from pybind11_tests import Base1
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class Base2:
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def __init__(self, i):
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self.i = i
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def bar(self):
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return self.i
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class MITypePy(Base1, Base2):
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def __init__(self, i, j):
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Base1.__init__(self, i)
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Base2.__init__(self, j)
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mt = MITypePy(3, 4)
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assert mt.foo() == 3
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assert mt.bar() == 4
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def test_multiple_inheritance_error():
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"""Inheriting from multiple C++ bases in Python is not supported"""
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from pybind11_tests import Base1, Base2
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with pytest.raises(TypeError) as excinfo:
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# noinspection PyUnusedLocal
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class MI(Base1, Base2):
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pass
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assert "Can't inherit from multiple C++ classes in Python" in str(excinfo.value)
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def test_multiple_inheritance_virtbase():
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from pybind11_tests import Base12a, bar_base2a, bar_base2a_sharedptr
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class MITypePy(Base12a):
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def __init__(self, i, j):
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Base12a.__init__(self, i, j)
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mt = MITypePy(3, 4)
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assert mt.bar() == 4
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assert bar_base2a(mt) == 4
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assert bar_base2a_sharedptr(mt) == 4
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def test_mi_static_properties():
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"""Mixing bases with and without static properties should be possible
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and the result should be independent of base definition order"""
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from pybind11_tests import mi
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for d in (mi.VanillaStaticMix1(), mi.VanillaStaticMix2()):
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assert d.vanilla() == "Vanilla"
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assert d.static_func1() == "WithStatic1"
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assert d.static_func2() == "WithStatic2"
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assert d.static_func() == d.__class__.__name__
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mi.WithStatic1.static_value1 = 1
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mi.WithStatic2.static_value2 = 2
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assert d.static_value1 == 1
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assert d.static_value2 == 2
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assert d.static_value == 12
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d.static_value1 = 0
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assert d.static_value1 == 0
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d.static_value2 = 0
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assert d.static_value2 == 0
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d.static_value = 0
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assert d.static_value == 0
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@pytest.unsupported_on_pypy
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def test_mi_dynamic_attributes():
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"""Mixing bases with and without dynamic attribute support"""
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from pybind11_tests import mi
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for d in (mi.VanillaDictMix1(), mi.VanillaDictMix2()):
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d.dynamic = 1
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assert d.dynamic == 1
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