def testMonkeyPatchOnVirtualMethod(self):
'''Injects new 'virtualMethod0' on a VirtualMethods instance and makes C++ call it.'''
vm = VirtualMethods()
pt, val, cpx, b = Point(1.1, 2.2), 4, complex(3.3, 4.4), True
result1 = vm.virtualMethod0(pt, val, cpx, b)
result2 = vm.callVirtualMethod0(pt, val, cpx, b)
self.assertEqual(result1, result2)
self.assertEqual(result1,
VirtualMethods.virtualMethod0(vm, pt, val, cpx, b))
def myVirtualMethod0(obj, pt, val, cpx, b):
self.duck_method_called = True
return VirtualMethods.virtualMethod0(obj, pt, val, cpx,
b) * self.multiplier
vm.virtualMethod0 = MethodTypeCompat(myVirtualMethod0, vm)
result1 = vm.callVirtualMethod0(pt, val, cpx, b)
self.assertTrue(self.duck_method_called)
result2 = vm.virtualMethod0(pt, val, cpx, b)
self.assertEqual(result1, result2)
self.assertEqual(
result1,
VirtualMethods.virtualMethod0(vm, pt, val, cpx, b) *
self.multiplier)
# This is done to decrease the refcount of the vm object
# allowing the object wrapper to be deleted before the
# BindingManager. This is useful when compiling Shiboken
# for debug, since the BindingManager destructor has an
# assert that checks if the wrapper mapper is empty.
vm.virtualMethod0 = None
def testForInfiniteRecursion(self):
def myVirtualMethod0(obj, pt, val, cpx, b):
self.call_counter += 1
return VirtualMethods.virtualMethod0(obj, pt, val, cpx, b)
vm = VirtualMethods()
vm.virtualMethod0 = MethodTypeCompat(myVirtualMethod0, vm)
pt, val, cpx, b = Point(1.1, 2.2), 4, complex(3.3, 4.4), True
vm.virtualMethod0(pt, val, cpx, b)
self.assertEqual(self.call_counter, 1)
def testCallNonReimplementedMethodWithString(self):
'''Calls createStr method from C++ with a Python string argument.'''
obj = VirtualMethods()
ok, string = obj.callCreateStr('foo')
self.assertTrue(ok)
self.assertEqual(string, Str('foo'))
def testCallNonReimplementedMethodWithNone(self):
'''Calls createStr method from C++ with a None argument.'''
obj = VirtualMethods()
ok, string = obj.callCreateStr(None)
self.assertFalse(ok)
self.assertEqual(string, None)
def testSimpleCallWithString(self):
'''Simple call to createStr method with a Python string argument.'''
obj = VirtualMethods()
ok, string = obj.createStr('foo')
self.assertTrue(ok)
self.assertEqual(string, Str('foo'))
def testSimpleCallWithNone(self):
'''Simple call to createStr method with a None argument.'''
obj = VirtualMethods()
ok, string = obj.createStr(None)
self.assertFalse(ok)
self.assertEqual(string, None)
def setUp(self):
self.vm = VirtualMethods()
self.evm = ExtendedVirtualMethods()
