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save start on 2.1 unit tests for EC, Acquisition

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lib/Components/ExtensionClass/test/testAcquisition.py
View file @ 95e5e559
"""Acquisition unit tests."""
import unittest, string
from operator import truth
from testExtensionClass import MagicMethodTests
from Acquisition import Implicit
from Acquisition import Explicit
from operator import truth
import unittest, string
class AcquisitionTests (unittest.TestCase):
def testImplicitTruthSemanticsDefault(self):
"""Check wrapper truth semantics against those of python objects
without __len__ or __nonzero__ definitions."""
class PyObject:
# plain object, no __len__ or __nonzero__
pass
class AqObject(Implicit, PyObject):
pass
object = PyObject()
assert truth(object) == 1
parent = AqObject()
parent.object = AqObject()
object = parent.object
assert truth(object) == 1
def testImplicitTruthSemanticsWithNonZero(self):
"""Check wrapper truth semantics against those of python objects
with __nonzero__ defined."""
class PyObject:
def __nonzero__(self):
return 0
class AqObject(Implicit, PyObject):
pass
object = PyObject()
assert truth(object) == 0
parent = AqObject()
parent.object = AqObject()
object = parent.object
assert truth(object) == 0
class PyObject:
def __nonzero__(self):
return 1
class AqObject(Implicit, PyObject):
pass
object = PyObject()
assert truth(object) == 1
parent = AqObject()
parent.object = AqObject()
object = parent.object
assert truth(object) == 1
def testImplicitTruthSemanticsWithLen(self):
"""Check wrapper truth semantics against those of python objects
with __len__ defined."""
class PyObject:
def __len__(self):
return 0
class AqObject(Implicit, PyObject):
pass
object = PyObject()
assert truth(object) == 0
parent = AqObject()
parent.object = AqObject()
object = parent.object
assert truth(object) == 0
class PyObject:
def __len__(self):
return 1
class AqObject(Implicit, PyObject):
pass
object = PyObject()
assert truth(object) == 1
parent = AqObject()
parent.object = AqObject()
object = parent.object
assert truth(object) == 1
def testImplicitTruthSemanticsWithNonZeroAndLen(self):
"""Check wrapper truth semantics against those of python objects
with __nonzero__ and __len__ defined."""
class PyObject:
def __nonzero__(self):
return 0
def __len__(self):
return 1
class AqObject(Implicit, PyObject):
pass
object = PyObject()
assert truth(object) == 0
assert len(object) == 1
parent = AqObject()
parent.object = AqObject()
object = parent.object
assert truth(object) == 0
assert len(object) == 1
class PyObject:
def __nonzero__(self):
return 1
def __len__(self):
return 0
class AqObject(Implicit, PyObject):
pass
object = PyObject()
assert truth(object) == 1
assert len(object) == 0
parent = AqObject()
parent.object = AqObject()
object = parent.object
assert truth(object) == 1
assert len(object) == 0
def testExplicitTruthSemanticsDefault(self):
"""Check wrapper truth semantics against those of python objects
without __len__ or __nonzero__ definitions."""
class PyObject:
# plain object, no __len__ or __nonzero__
pass
class AqObject(Explicit, PyObject):
pass
object = PyObject()
assert truth(object) == 1
parent = AqObject()
parent.object = AqObject()
object = parent.object
assert truth(object) == 1
def testExplicitTruthSemanticsWithNonZero(self):
"""Check wrapper truth semantics against those of python objects
with __nonzero__ defined."""
class PyObject:
def __nonzero__(self):
return 0
class AqObject(Explicit, PyObject):
pass
object = PyObject()
assert truth(object) == 0
parent = AqObject()
parent.object = AqObject()
object = parent.object
assert truth(object) == 0
class PyObject:
def __nonzero__(self):
return 1
class AqObject(Explicit, PyObject):
pass
object = PyObject()
assert truth(object) == 1
parent = AqObject()
parent.object = AqObject()
object = parent.object
assert truth(object) == 1
def testExplicitTruthSemanticsWithLen(self):
"""Check wrapper truth semantics against those of python objects
with __len__ defined."""
class PyObject:
def __len__(self):
return 0
class AqObject(Explicit, PyObject):
pass
object = PyObject()
assert truth(object) == 0
parent = AqObject()
parent.object = AqObject()
object = parent.object
assert truth(object) == 0
class PyObject:
def __len__(self):
return 1
class AqObject(Explicit, PyObject):
pass
object = PyObject()
assert truth(object) == 1
parent = AqObject()
parent.object = AqObject()
object = parent.object
assert truth(object) == 1
def testExplicitTruthSemanticsWithNonZeroAndLen(self):
"""Check wrapper truth semantics against those of python objects
with __nonzero__ and __len__ defined."""
class PyObject:
def __nonzero__(self):
return 0
class ImplicitWrapperTests(MagicMethodTests):
"""Implicit acquisition wrapper tests."""
def __len__(self):
return 1
BaseClass = Implicit
class AqObject(Explicit, PyObject):
def fixup_inst(self, object):
"""Create a simple acquisition chain."""
class GenericWrapper(self.BaseClass):
pass
object = PyObject()
assert truth(object) == 0
assert len(object) == 1
parent = AqObject()
parent.object = AqObject()
object = parent.object
assert truth(object) == 0
assert len(object) == 1
parent = GenericWrapper()
parent.object = object
return parent.object
class PyObject:
def __nonzero__(self):
return 1
class ExplicitWrapperTests(ImplicitWrapperTests):
"""Explicit acquisition wrapper tests."""
def __len__(self):
return 0
class AqObject(Explicit, PyObject):
pass
object = PyObject()
assert truth(object) == 1
assert len(object) == 0
parent = AqObject()
parent.object = AqObject()
object = parent.object
assert truth(object) == 1
assert len(object) == 0
BaseClass = Explicit
def test_suite():
suite_01 = unittest.makeSuite(ImplicitWrapperTests)
suite_02 = unittest.makeSuite(ExplicitWrapperTests)
return unittest.TestSuite((suite_01, suite_02))
def main():
unittest.TextTestRunner().run(test_suite())
def test_suite():
return unittest.makeSuite(AcquisitionTests)
if __name__ == '__main__':
main()
lib/Components/ExtensionClass/test/testExtensionClass.py 0 → 100644
View file @ 95e5e559
"""ExtensionClass unit tests."""
from operator import truth
import unittest, string
import ExtensionClass
class MagicMethodTests(unittest.TestCase):
"""Test delegation to magic methods."""
BaseClass = ExtensionClass.Base
def fixup_inst(self, object):
"""A hook to allow acquisition tests based on this fixture."""
return object
#########################################################################
# Test delegation of magic methods for attribute management.
#########################################################################
def test__getattr__(self):
"""Test __getattr__ delegation."""
class PythonClass:
def __getattr__(self, name):
return 'bruce'
class DerivedClass(self.BaseClass, PythonClass):
pass
object = PythonClass()
assert object.foo == 'bruce'
object = self.fixup_inst(DerivedClass())
assert object.foo == 'bruce'
def test__setattr__(self):
"""Test __setattr__ delegation."""
class PythonClass:
def __setattr__(self, name, value):
self.__dict__['bruce_%s' % name] = value
class DerivedClass(self.BaseClass, PythonClass):
pass
object = PythonClass()
object.attr = 'value'
assert object.bruce_attr == 'value'
object = self.fixup_inst(DerivedClass())
object.attr = 'value'
assert object.bruce_attr == 'value'
def test__delattr__(self):
"""Test __delattr__ delegation."""
class PythonClass:
def __delattr__(self, name):
return
class DerivedClass(self.BaseClass, PythonClass):
pass
object = PythonClass()
del object.foo
object = self.fixup_inst(DerivedClass())
del object.foo
#########################################################################
# Test delegation of magic methods for basic customization.
#########################################################################
def test__str__(self):
"""Test __str__ delegation."""
class PythonClass:
def __str__(self):
return 'bruce'
class DerivedClass(self.BaseClass, PythonClass):
pass
object = PythonClass()
assert str(object) == 'bruce'
object = self.fixup_inst(DerivedClass())
assert str(object) == 'bruce'
def test__repr__(self):
"""Test __repr__ delegation."""
class PythonClass:
def __repr__(self):
return 'bruce'
class DerivedClass(self.BaseClass, PythonClass):
pass
object = PythonClass()
assert repr(object) == 'bruce'
object = self.fixup_inst(DerivedClass())
assert repr(object) == 'bruce'
def test__cmp__(self):
"""Test __cmp__ delegation."""
class PythonClass:
def __cmp__(self, other):
return 1
class DerivedClass(self.BaseClass, PythonClass):
pass
object = PythonClass()
assert object > 1
object = self.fixup_inst(DerivedClass())
assert object > 1
def test__hash__(self):
"""Test __hash__ delegation."""
class PythonClass:
def __hash__(self):
return hash('bruce')
class DerivedClass(self.BaseClass, PythonClass):
pass
object = PythonClass()
assert hash(object) == hash('bruce')
object = self.fixup_inst(DerivedClass())
assert hash(object) == hash('bruce')
#########################################################################
# Test delegation of rich comparison methods (new in Python 2.1).
#########################################################################
def test__lt__(self):
"""Test __lt__ delegation."""
class PythonClass:
def __lt__(self, other):
return 1
def __cmp__(self, other):
raise AssertionError, 'Rich comparison not used!'
class DerivedClass(self.BaseClass, PythonClass):
pass
object = PythonClass()
assert object < 1
object = self.fixup_inst(DerivedClass())
assert object < 1
def test__le__(self):
"""Test __le__ delegation."""
class PythonClass:
def __le__(self, other):
return 1
def __cmp__(self, other):
raise AssertionError, 'Rich comparison not used!'
class DerivedClass(self.BaseClass, PythonClass):
pass
object = PythonClass()
assert object <= 1
object = self.fixup_inst(DerivedClass())
assert object <= 1
def test__eq__(self):
"""Test __eq__ delegation."""
class PythonClass:
def __eq__(self, other):
return 1
def __cmp__(self, other):
raise AssertionError, 'Rich comparison not used!'
class DerivedClass(self.BaseClass, PythonClass):
pass
object = PythonClass()
assert object == 1
object = self.fixup_inst(DerivedClass())
assert object == 1
def test__ne__(self):
"""Test __ne__ delegation."""
class PythonClass:
def __ne__(self, other):
return 1
def __cmp__(self, other):
raise AssertionError, 'Rich comparison not used!'
class DerivedClass(self.BaseClass, PythonClass):
pass
object = PythonClass()
assert object != 1
object = self.fixup_inst(DerivedClass())
assert object != 1
def test__gt__(self):
"""Test __gt__ delegation."""
class PythonClass:
def __gt__(self, other):
return 1
def __cmp__(self, other):
raise AssertionError, 'Rich comparison not used!'
class DerivedClass(self.BaseClass, PythonClass):
pass
object = PythonClass()
assert object > 1
object = self.fixup_inst(DerivedClass())
assert object > 1
def test__ge__(self):
"""Test __ge__ delegation."""
class PythonClass:
def __ge__(self, other):
return 1
def __cmp__(self, other):
raise AssertionError, 'Rich comparison not used!'
class DerivedClass(self.BaseClass, PythonClass):
pass
object = PythonClass()
assert object >= 1
object = self.fixup_inst(DerivedClass())
assert object >= 1
#########################################################################
# Test delegation of truth semantics, use of __nonzero__ and __len__.
#########################################################################
def testTruthSemanticsDefault(self):
"""Test truth semantics (default)."""
class PythonClass:
pass
class DerivedClass(self.BaseClass, PythonClass):
pass
object = PythonClass()
assert truth(object) == 1
object = self.fixup_inst(DerivedClass())
assert truth(object) == 1
def testTruthSemanticsWithNonZero(self):
"""Test truth semantics with __nonzero__."""
class PythonClass:
result = 0
def __nonzero__(self):
return self.result
class DerivedClass(self.BaseClass, PythonClass):
pass
object = PythonClass()
assert truth(object) == 0
object = self.fixup_inst(DerivedClass())
assert truth(object) == 0
PythonClass.result = 1
object = PythonClass()
assert truth(object) == 1
object = self.fixup_inst(DerivedClass())
assert truth(object) == 1
def testTruthSemanticsWithLen(self):
"""Test truth semantics with __len__."""
class PythonClass:
result = 0
def __len__(self):
return self.result
class DerivedClass(self.BaseClass, PythonClass):
pass
object = PythonClass()
assert truth(object) == 0
object = self.fixup_inst(DerivedClass())
assert truth(object) == 0
PythonClass.result = 1
object = PythonClass()
assert truth(object) == 1
object = self.fixup_inst(DerivedClass())
assert truth(object) == 1
def testTruthSemanticsWithNonZeroAndLen(self):
"""Test truth semantics with __nonzero__ and __len__."""
class PythonClass:
nn = 0
ll = 1
def __nonzero__(self):
return self.nn
def __len__(self):
return self.ll
class DerivedClass(self.BaseClass, PythonClass):
pass
object = PythonClass()
assert truth(object) == 0
assert len(object) == 1
object = self.fixup_inst(DerivedClass())
assert truth(object) == 0
assert len(object) == 1
PythonClass.nn = 1
PythonClass.ll = 0
object = PythonClass()
assert truth(object) == 1
assert len(object) == 0
object = self.fixup_inst(DerivedClass())
assert truth(object) == 1
assert len(object) == 0
#########################################################################
# Test delegation of overridable binary arithmetic operations.
#########################################################################
def test__add__(self):
"""Test __add__ delegation."""
class PythonClass:
def __init__(self, value):
self.value = value
def __add__(self, other):
return self.value + other
class DerivedClass(self.BaseClass, PythonClass):
pass
object = PythonClass(1)
assert object + 1 == 2
object = self.fixup_inst(DerivedClass(1))
assert object + 1 == 2
def test__sub__(self):
"""Test __sub__ delegation."""
class PythonClass:
def __init__(self, value):
self.value = value
def __sub__(self, other):
return self.value - other
class DerivedClass(self.BaseClass, PythonClass):
pass
object = PythonClass(2)
assert object - 1 == 1
object = self.fixup_inst(DerivedClass(2))
assert object - 1 == 1
def test__mul__(self):
"""Test __mul__ delegation."""
class PythonClass:
def __init__(self, value):
self.value = value
def __mul__(self, other):
return self.value * other
class DerivedClass(self.BaseClass, PythonClass):
pass
object = PythonClass(2)
assert object * 2 == 4
object = self.fixup_inst(DerivedClass(2))
assert object * 2 == 4
def test__div__(self):
"""Test __div__ delegation."""
class PythonClass:
def __init__(self, value):
self.value = value
def __div__(self, other):
return self.value / other
class DerivedClass(self.BaseClass, PythonClass):
pass
object = PythonClass(4)
assert object / 2 == 2
object = self.fixup_inst(DerivedClass(4))
assert object / 2 == 2
def test__mod__(self):
"""Test __mod__ delegation."""
class PythonClass:
def __init__(self, value):
self.value = value
def __mod__(self, other):
return self.value % other
class DerivedClass(self.BaseClass, PythonClass):
pass
object = PythonClass(101)
assert object % 10 == 1
object = self.fixup_inst(DerivedClass(101))
assert object % 10 == 1
def test__divmod__(self):
"""Test __divmod__ delegation."""
class PythonClass:
def __init__(self, value):
self.value = value
def __divmod__(self, other):
return divmod(self.value, other)
class DerivedClass(self.BaseClass, PythonClass):
pass
object = PythonClass(101)
assert divmod(object, 10) == (10, 1)
object = self.fixup_inst(DerivedClass(101))
assert divmod(object, 10) == (10, 1)
def test__pow__(self):
"""Test __pow__ delegation."""
class PythonClass:
def __init__(self, value):
self.value = value
def __pow__(self, other, modulo=None):
return self.value ** other
class DerivedClass(self.BaseClass, PythonClass):
pass
object = PythonClass(10)
assert object ** 2 == 100
object = self.fixup_inst(DerivedClass(10))
assert object ** 2 == 100
def test__lshift__(self):
"""Test __lshift__ delegation."""
class PythonClass:
def __init__(self, value):
self.value = value
def __lshift__(self, other):
return self.value << other
class DerivedClass(self.BaseClass, PythonClass):
pass
object = PythonClass(100)
assert object << 2 == 400
object = self.fixup_inst(DerivedClass(100))
assert object << 2 == 400
def test__rshift__(self):
"""Test __rshift__ delegation."""
class PythonClass:
def __init__(self, value):
self.value = value
def __rshift__(self, other):
return self.value >> other
class DerivedClass(self.BaseClass, PythonClass):
pass
object = PythonClass(100)
assert object >> 2 == 25
object = self.fixup_inst(DerivedClass(100))
assert object >> 2 == 25
def test__and__(self):
"""Test __and__ delegation."""
class PythonClass:
def __init__(self, value):
self.value = value
def __and__(self, other):
return self.value & other
class DerivedClass(self.BaseClass, PythonClass):
pass
object = PythonClass(1)
assert object & 1 == 1
object = self.fixup_inst(DerivedClass(1))
assert object & 1 == 1
def test__xor__(self):
"""Test __xor__ delegation."""
class PythonClass:
def __init__(self, value):
self.value = value
def __xor__(self, other):
return self.value ^ other
class DerivedClass(self.BaseClass, PythonClass):
pass
object = PythonClass(1)
assert object ^ 1 == 0
object = self.fixup_inst(DerivedClass(1))
assert object ^ 1 == 0
def test__or__(self):
"""Test __or__ delegation."""
class PythonClass:
def __init__(self, value):
self.value = value
def __or__(self, other):
return self.value | other
class DerivedClass(self.BaseClass, PythonClass):
pass
object = PythonClass(1)
assert object | 1 == 1
object = self.fixup_inst(DerivedClass(1))
assert object | 1 == 1
#########################################################################
# Test delegation of reflected binary arithmetic operations.
#########################################################################
def test__radd__(self):
"""Test __radd__ delegation."""
class PythonClass:
def __init__(self, value):
self.value = value
def __radd__(self, other):
return self.value + other
class DerivedClass(self.BaseClass, PythonClass):
pass
object = PythonClass(1)
assert 1 + object == 2
object = self.fixup_inst(DerivedClass(1))
assert 1 + object == 2
def test__rsub__(self):
"""Test __rsub__ delegation."""
class PythonClass:
def __init__(self, value):
self.value = value
def __rsub__(self, other):
return other - self.value
class DerivedClass(self.BaseClass, PythonClass):
pass
object = PythonClass(2)
assert 2 - object == 0
object = self.fixup_inst(DerivedClass(2))
assert 2 - object == 0
def test__rmul__(self):
"""Test __rmul__ delegation."""
class PythonClass:
def __init__(self, value):
self.value = value
def __rmul__(self, other):
return other * self.value
class DerivedClass(self.BaseClass, PythonClass):
pass
object = PythonClass(2)
assert 2 * object == 4
object = self.fixup_inst(DerivedClass(2))
assert 2 * object == 4
def test__rdiv__(self):
"""Test __rdiv__ delegation."""
class PythonClass:
def __init__(self, value):
self.value = value
def __rdiv__(self, other):
return other / self.value
class DerivedClass(self.BaseClass, PythonClass):
pass
object = PythonClass(4)
assert 12 / object == 3
object = self.fixup_inst(DerivedClass(4))
assert 12 / object == 3
def test__rmod__(self):
"""Test __rmod__ delegation."""
class PythonClass:
def __init__(self, value):
self.value = value
def __rmod__(self, other):
return other % self.value
class DerivedClass(self.BaseClass, PythonClass):
pass
object = PythonClass(10)
assert 101 % object == 1
object = self.fixup_inst(DerivedClass(10))
assert 101 % object == 1
def test__rdivmod__(self):
"""Test __rdivmod__ delegation."""
class PythonClass:
def __init__(self, value):
self.value = value
def __rdivmod__(self, other):
return divmod(other, self.value)
class DerivedClass(self.BaseClass, PythonClass):
pass
object = PythonClass(10)
assert divmod(101, object) == (10, 1)
object = self.fixup_inst(DerivedClass(10))
assert divmod(101, object) == (10, 1)
def test__rpow__(self):
"""Test __rpow__ delegation."""
class PythonClass:
def __init__(self, value):
self.value = value
def __rpow__(self, other):
return other ** self.value
class DerivedClass(self.BaseClass, PythonClass):
pass
object = PythonClass(10)
assert 2 ** object == 100
object = self.fixup_inst(DerivedClass(10))
assert 2 ** object == 100
def test__rlshift__(self):
"""Test __rlshift__ delegation."""
class PythonClass:
def __init__(self, value):
self.value = value
def __rlshift__(self, other):
return other << self.value
class DerivedClass(self.BaseClass, PythonClass):
pass
object = PythonClass(2)
assert 100 << object == 400
object = self.fixup_inst(DerivedClass(2))
assert 100 << object == 400
def test__rrshift__(self):
"""Test __rrshift__ delegation."""
class PythonClass:
def __init__(self, value):
self.value = value
def __rrshift__(self, other):
return other >> self.value
class DerivedClass(self.BaseClass, PythonClass):
pass
object = PythonClass(2)
assert 100 >> object == 25
object = self.fixup_inst(DerivedClass(2))
assert 100 >> object == 25
def test__rand__(self):
"""Test __rand__ delegation."""
class PythonClass:
def __init__(self, value):
self.value = value
def __rand__(self, other):
return other & self.value
class DerivedClass(self.BaseClass, PythonClass):
pass
object = PythonClass(1)
assert 1 & object == 1
object = self.fixup_inst(DerivedClass(1))
assert 1 & object == 1
def test__rxor__(self):
"""Test __rxor__ delegation."""
class PythonClass:
def __init__(self, value):
self.value = value
def __rxor__(self, other):
return other ^ self.value
class DerivedClass(self.BaseClass, PythonClass):
pass
object = PythonClass(1)
assert 1 ^ object == 0
object = self.fixup_inst(DerivedClass(1))
assert 1 ^ object == 0
def test__ror__(self):
"""Test __ror__ delegation."""
class PythonClass:
def __init__(self, value):
self.value = value
def __ror__(self, other):
return other | self.value
class DerivedClass(self.BaseClass, PythonClass):
pass
object = PythonClass(1)
assert 1 | object == 1
object = self.fixup_inst(DerivedClass(1))
assert 1 | object == 1
#########################################################################
# Test delegation of augmented assignment operations.
#########################################################################
def test__iadd__(self):
"""Test __iadd__ delegation."""
class PythonClass:
def __init__(self, value):
self.value = value
def __iadd__(self, other):
return self.__class__(self.value + other)
class DerivedClass(self.BaseClass, PythonClass):
pass
object = PythonClass(1)
object += 1
assert object.value == 2
object = self.fixup_inst(DerivedClass(1))
object += 1
assert object.value == 2
def test__isub__(self):
"""Test __isub__ delegation."""
class PythonClass:
def __init__(self, value):
self.value = value
def __isub__(self, other):
return self.__class__(self.value - other)
class DerivedClass(self.BaseClass, PythonClass):
pass
object = PythonClass(2)
object -= 1
assert object.value == 1
object = self.fixup_inst(DerivedClass(2))
object -= 1
assert object.value == 1
def test__imul__(self):
"""Test __imul__ delegation."""
class PythonClass:
def __init__(self, value):
self.value = value
def __imul__(self, other):
return self.__class__(self.value * other)
class DerivedClass(self.BaseClass, PythonClass):
pass
object = PythonClass(2)
object *= 2
assert object.value == 4
object = self.fixup_inst(DerivedClass(2))
object *= 2
assert object.value == 4
def test__idiv__(self):
"""Test __idiv__ delegation."""
class PythonClass:
def __init__(self, value):
self.value = value
def __idiv__(self, other):
return self.__class__(self.value / other)
class DerivedClass(self.BaseClass, PythonClass):
pass
object = PythonClass(4)
object /= 2
assert object.value == 2
object = self.fixup_inst(DerivedClass(4))
object /= 2
assert object.value == 2
def test__imod__(self):
"""Test __imod__ delegation."""
class PythonClass:
def __init__(self, value):
self.value = value
def __imod__(self, other):
return self.__class__(self.value % other)
class DerivedClass(self.BaseClass, PythonClass):
pass
object = PythonClass(101)
object %= 10
assert object.value == 1
object = self.fixup_inst(DerivedClass(101))
object %= 10
assert object.value == 1
def test__ipow__(self):
"""Test __ipow__ delegation."""
class PythonClass:
def __init__(self, value):
self.value = value
def __ipow__(self, other):
return self.__class__(self.value ** other)
class DerivedClass(self.BaseClass, PythonClass):
pass
object = PythonClass(10)
object **= 2
assert object.value == 100
object = self.fixup_inst(DerivedClass(10))
object **= 2
assert object.value == 100
def test__ilshift__(self):
"""Test __ilshift__ delegation."""
class PythonClass:
def __init__(self, value):
self.value = value
def __ilshift__(self, other):
return self.__class__(self.value << other)
class DerivedClass(self.BaseClass, PythonClass):
pass
object = PythonClass(100)
object <<= 2
assert object.value == 400
object = self.fixup_inst(DerivedClass(100))
object <<= 2
assert object.value == 400
def test__irshift__(self):
"""Test __irshift__ delegation."""
class PythonClass:
def __init__(self, value):
self.value = value
def __irshift__(self, other):
return self.__class__(self.value >> other)
class DerivedClass(self.BaseClass, PythonClass):
pass
object = PythonClass(100)
object >>= 2
assert object.value == 25
object = self.fixup_inst(DerivedClass(100))
object >>= 2
assert object.value == 25
def test__iand__(self):
"""Test __iand__ delegation."""
class PythonClass:
def __init__(self, value):
self.value = value
def __iand__(self, other):
return self.__class__(self.value & other)
class DerivedClass(self.BaseClass, PythonClass):
pass
object = PythonClass(1)
object &= 1
assert object.value == 1
object = self.fixup_inst(DerivedClass(1))
object &= 1
assert object.value == 1
def test__ixor__(self):
"""Test __ixor__ delegation."""
class PythonClass:
def __init__(self, value):
self.value = value
def __ixor__(self, other):
return self.__class__(self.value ^ other)
class DerivedClass(self.BaseClass, PythonClass):
pass
object = PythonClass(1)
object ^= 1
assert object.value == 0
object = self.fixup_inst(DerivedClass(1))
object ^= 1
assert object.value == 0
def test__ior__(self):
"""Test __ior__ delegation."""
class PythonClass:
def __init__(self, value):
self.value = value
def __ior__(self, other):
return self.__class__(self.value | other)
class DerivedClass(self.BaseClass, PythonClass):
pass
object = PythonClass(1)
object |= 1
assert object.value == 1
object = self.fixup_inst(DerivedClass(1))
object |= 1
assert object.value == 1
#########################################################################
# Test delegation of unary arithmetic operations.
#########################################################################
def test__pos__(self):
"""Test __pos__ delegation."""
class PythonClass:
def __init__(self, value):
self.value = value
def __pos__(self):
if self.value < 0:
return self.__class__(-(self.value))
return self.__class__(self.value)
class DerivedClass(self.BaseClass, PythonClass):
pass
object = PythonClass(-1)
object = +(object)
assert object.value == 1
object = self.fixup_inst(DerivedClass(-1))
object = +(object)
assert object.value == 1
def test__neg__(self):
"""Test __neg__ delegation."""
class PythonClass:
def __init__(self, value):
self.value = value
def __neg__(self):
return self.__class__(-(self.value))
class DerivedClass(self.BaseClass, PythonClass):
pass
object = PythonClass(1)
object = -(object)
assert object.value == -1
object = self.fixup_inst(DerivedClass(1))
object = -(object)
assert object.value == -1
def test__abs__(self):
"""Test __abs__ delegation."""
class PythonClass:
def __init__(self, value):
self.value = value
def __abs__(self):
return self.__class__(abs(self.value))
class DerivedClass(self.BaseClass, PythonClass):
pass
object = PythonClass(-1)
object = abs(object)
assert object.value == 1
object = self.fixup_inst(DerivedClass(-1))
object = abs(object)
assert object.value == 1
def test__invert__(self):
"""Test __invert__ delegation."""
class PythonClass:
def __init__(self, value):
self.value = value
def __invert__(self):
return self.__class__(~(self.value))
class DerivedClass(self.BaseClass, PythonClass):
pass
object = PythonClass(9)
object = ~(object)
assert object.value == -10
object = self.fixup_inst(DerivedClass(9))
object = ~(object)
assert object.value == -10
#########################################################################
# Test delegation of numeric type coercion.
#########################################################################
def test__int__(self):
"""Test __int__ delegation."""
class PythonClass:
def __init__(self, value):
self.value = value
def __int__(self):
return int(self.value)
class DerivedClass(self.BaseClass, PythonClass):
pass
object = PythonClass(1)
assert int(object) == 1
object = self.fixup_inst(DerivedClass(1))
assert int(object) == 1
def test__long__(self):
"""Test __long__ delegation."""
class PythonClass:
def __init__(self, value):
self.value = value
def __long__(self):
return long(self.value)
class DerivedClass(self.BaseClass, PythonClass):
pass
object = PythonClass(1)
assert long(object) == long(1)
object = self.fixup_inst(DerivedClass(1))
assert long(object) == long(1)
def test__float__(self):
"""Test __float__ delegation."""
class PythonClass:
def __init__(self, value):
self.value = value
def __float__(self):
return float(self.value)
class DerivedClass(self.BaseClass, PythonClass):
pass
object = PythonClass(1)
assert float(object) == float(1)
object = self.fixup_inst(DerivedClass(1))
assert float(object) == float(1)
def test__complex__(self):
"""Test __complex__ delegation."""
class PythonClass:
def __init__(self, value):
self.value = value
def __complex__(self):
return complex(self.value)
class DerivedClass(self.BaseClass, PythonClass):
pass
object = PythonClass(1)
assert complex(object) == complex(1)
object = self.fixup_inst(DerivedClass(1))
assert complex(object) == complex(1)
#########################################################################
# Test delegation of overridable __oct__ and __hex__
#########################################################################
def test__oct__(self):
"""Test __oct__ delegation."""
class PythonClass:
def __init__(self, value):
self.value = value
def __oct__(self):
return oct(self.value)
class DerivedClass(self.BaseClass, PythonClass):
pass
object = PythonClass(10)
assert oct(object) == '012'
object = self.fixup_inst(DerivedClass(10))
assert oct(object) == '012'
def test__hex__(self):
"""Test __hex__ delegation."""
class PythonClass:
def __init__(self, value):
self.value = value
def __hex__(self):
return hex(self.value)
class DerivedClass(self.BaseClass, PythonClass):
pass
object = PythonClass(10)
assert hex(object) == '0xa'
object = self.fixup_inst(DerivedClass(10))
assert hex(object) == '0xa'
#########################################################################
# Test delegation of mixed-mode coercion
#########################################################################
def test__coerce__(self):
"""Test __coerce__ delegation."""
class PythonClass:
def __init__(self, value):
self.value = value
def __coerce__(self, other):
return (self.value, int(other))
class DerivedClass(self.BaseClass, PythonClass):
pass
object = PythonClass(10)
assert coerce(object, 10.0) == (10, 10)
object = self.fixup_inst(DerivedClass(10))
assert coerce(object, 10.0) == (10, 10)
#########################################################################
# Test delegation of overridable sequence protocol methods.
#########################################################################
def test__contains__(self):
"""Test __contains__ delegation."""
class PythonClass:
def __contains__(self, item):
return 1
class DerivedClass(self.BaseClass, PythonClass):
pass
object = PythonClass()
assert 's' in object
object = self.fixup_inst(DerivedClass())
assert 's' in object
class ExtensionClassTests(MagicMethodTests):
"""Test ExtensionClass"""
pass
def test_suite():
suite_01 = unittest.makeSuite(ExtensionClassTests)
return unittest.TestSuite((suite_01,))
def main():
unittest.TextTestRunner().run(test_suite())
if __name__ == '__main__':
main()
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