def test_weave_object_instance(self):
"""tests Weaver.weave_object() for an instance"""
weaver.weave_object(self.instance, ContractAspect)
self.assertRaises(ContractFailedError, self.instance.foo, 15)
another_instance = Test()
# In another instance : contracts are not activated, this should pass !
self.assertRaises(ValueError, another_instance.foo, 15)
def test_weave_object_instance(self):
"""tests Weaver.weave_object() for an instance"""
weaver.weave_object(self.instance, ContractAspect)
self.assertRaises(ContractFailedError, self.instance.foo, 15)
another_instance = Test()
# In another instance : contracts are not activated, this should pass !
self.assertRaises(ValueError, another_instance.foo, 15)
def test_get_aspect(self):
"""tests weaver.get_aspect()"""
aspect = weaver.get_aspect(ProfilerAspect)
self.assertEquals(aspect, None)
weaver.weave_object(self.klass, ProfilerAspect)
aspect = weaver.get_aspect(ProfilerAspect)
self.assertEquals(isinstance(aspect, ProfilerAspect), True)
def test_get_aspect(self):
"""tests weaver.get_aspect()"""
aspect = weaver.get_aspect(ProfilerAspect)
self.assertEquals(aspect, None)
weaver.weave_object(self.klass, ProfilerAspect)
aspect = weaver.get_aspect(ProfilerAspect)
self.assertEquals(isinstance(aspect, ProfilerAspect), True)
def test_dump_readable_profiles(self):
"""tests that dump_readable_profiles() doesn't raise an exception"""
weaver.weave_object(Test, ProfilerAspect)
self.instance.bar()
aspect = weaver.get_aspect(ProfilerAspect)
stream = StringIO()
aspect.dump_readable_profiles(stream)
def test_dump_readable_profiles(self):
"""tests that dump_readable_profiles() doesn't raise an exception"""
weaver.weave_object(Test, ProfilerAspect)
self.instance.bar()
aspect = weaver.get_aspect(ProfilerAspect)
stream = StringIO()
aspect.dump_readable_profiles(stream)
def test_get_weaved_methods(self):
"""test weaved methods list"""
self.assertRaises(ClassNotWeaved, weaver.get_weaved_methods,
self.klass)
weaver.weave_object(self.klass, ProfilerAspect)
method_names = Set(['foo', 'bar'])
self.assertEquals(Set(weaver.get_weaved_methods(self.klass)),
method_names)
def test_get_weaved_methods(self):
"""test weaved methods list"""
self.assertRaises(ClassNotWeaved, weaver.get_weaved_methods,
self.klass)
weaver.weave_object(self.klass, ProfilerAspect)
method_names = Set(['foo', 'bar'])
self.assertEquals(Set(weaver.get_weaved_methods(self.klass)),
method_names)
def test_get_weaved_classes(self):
"""tests get_weaved_classes()"""
class SomeClass:
"""some class to weave"""
def some_method(self):
"""a method"""
weaver.weave_object(self.klass, ContractAspect)
weaver.weave_object(SomeClass, ContractAspect)
classnames = [klass.__name__ for klass in weaver.get_weaved_classes()]
classnames.sort()
self.assertEquals(classnames, ['SomeClass', 'Test'])
def test_register_aspect(self):
"""tests() aspect registration"""
old_foo = self.instance.foo
weaver.weave_object(self.klass, ContractAspect)
# instances of self.klass must have been aspected !
self.assertNotEquals(old_foo, self.instance.foo)
contract = weaver.get_aspect(ContractAspect)
old_foo = self.instance.foo
# Trying to reaspect self.instance should not change its methods
weaver._weave_method(self.klass, 'foo', contract)
self.assertEquals(old_foo, self.instance.foo)
def test_already_aspected(self):
"""tests weaver.obj_class_is_aspected()"""
self.assertEquals(
weaver.obj_class_is_aspected(self.instance, ContractAspect), False)
weaver.weave_object(self.klass, ContractAspect)
# obj_class_is_aspected() always returns False on classes
self.assertEquals(
weaver.obj_class_is_aspected(self.klass, ContractAspect), False)
# but make sure it returns True on the aspected instance
self.assertEquals(
weaver.obj_class_is_aspected(self.instance, ContractAspect), True)
def test_register_aspect(self):
"""tests() aspect registration"""
old_foo = self.instance.foo
weaver.weave_object(self.klass, ContractAspect)
# instances of self.klass must have been aspected !
self.assertNotEquals(old_foo, self.instance.foo)
contract = weaver.get_aspect(ContractAspect)
old_foo = self.instance.foo
# Trying to reaspect self.instance should not change its methods
weaver._weave_method(self.klass, 'foo', contract)
self.assertEquals(old_foo, self.instance.foo)
def test_who_is_called(self):
"""test which wrapper function is choosed"""
weaver.weave_object(Extended, LoggerAspect, self.log_device)
weaver.weave_object(Base, LoggerAspect, self.log_device)
self.ext.some_method()
self.assertEquals(self.ext.trace, ['Extended', 'Base'])
self.ext.trace = []
Base.some_method(self.ext)
self.assertEquals(self.ext.trace, ['Base'])
self.ext.trace = []
Extended.some_method(self.ext)
self.assertEquals(self.ext.trace, ['Extended', 'Base'])
def test_get_weaved_classes(self):
"""tests get_weaved_classes()"""
class SomeClass:
"""some class to weave"""
def some_method(self):
"""a method"""
weaver.weave_object(self.klass, ContractAspect)
weaver.weave_object(SomeClass, ContractAspect)
classnames = [klass.__name__ for klass in weaver.get_weaved_classes()]
classnames.sort()
self.assertEquals(classnames, ['SomeClass', 'Test'])
def test_get_aspects(self):
"""tests weaver.get_aspects()"""
class SomeClass:
"""a simple class"""
def foo(self):
"""a simple method"""
self.assertRaises(ClassNotWeaved, weaver.get_aspects, SomeClass, 'foo')
weaver.weave_object(SomeClass, ProfilerAspect)
weaver.weave_object(SomeClass, ContractAspect)
aspects = weaver.get_aspects(SomeClass, 'foo')
classes = [aspect.__class__ for aspect in aspects]
self.assertEquals(classes, [ProfilerAspect, ContractAspect])
def test_who_is_called(self):
"""test which wrapper function is choosed"""
weaver.weave_object(Extended, LoggerAspect, self.log_device)
weaver.weave_object(Base, LoggerAspect, self.log_device)
self.ext.some_method()
self.assertEquals(self.ext.trace, ['Extended', 'Base'])
self.ext.trace = []
Base.some_method(self.ext)
self.assertEquals(self.ext.trace, ['Base'])
self.ext.trace = []
Extended.some_method(self.ext)
self.assertEquals(self.ext.trace, ['Extended', 'Base'])
def test_get_aspects(self):
"""tests weaver.get_aspects()"""
class SomeClass:
"""a simple class"""
def foo(self):
"""a simple method"""
self.assertRaises(ClassNotWeaved, weaver.get_aspects, SomeClass, 'foo')
weaver.weave_object(SomeClass, ProfilerAspect)
weaver.weave_object(SomeClass, ContractAspect)
aspects = weaver.get_aspects(SomeClass, 'foo')
classes = [aspect.__class__ for aspect in aspects]
self.assertEquals(classes, [ProfilerAspect, ContractAspect])
def test_already_aspected(self):
"""tests weaver.obj_class_is_aspected()"""
self.assertEquals(weaver.obj_class_is_aspected(self.instance,
ContractAspect),
False)
weaver.weave_object(self.klass, ContractAspect)
# obj_class_is_aspected() always returns False on classes
self.assertEquals(weaver.obj_class_is_aspected(self.klass,
ContractAspect),
False)
# but make sure it returns True on the aspected instance
self.assertEquals(weaver.obj_class_is_aspected(self.instance,
ContractAspect),
True)
def test_weave_same_aspect(self):
"""Checks that weaver forbids weaving multiple time the same
aspect on a method.
"""
weaver.weave_object(self.klass, ContractAspect)
old_aspects = weaver.get_aspects(self.klass, 'foo')
# Trying to weave a second time
weaver.weave_object(self.klass, ContractAspect)
new_aspects = weaver.get_aspects(self.klass, 'foo')
self.assert_(old_aspects == new_aspects)
# Now trying to weave on self.instance should produce warnings
old_foo = self.instance.foo
weaver.weave_methods(self.instance, ContractAspect)
# self.instance.foo should not have been modified !
self.assertEquals(old_foo, self.instance.foo)
def test_weave_same_aspect(self):
"""Checks that weaver forbids weaving multiple time the same
aspect on a method.
"""
weaver.weave_object(self.klass, ContractAspect)
old_aspects = weaver.get_aspects(self.klass, 'foo')
# Trying to weave a second time
weaver.weave_object(self.klass, ContractAspect)
new_aspects = weaver.get_aspects(self.klass, 'foo')
self.assert_(old_aspects == new_aspects)
# Now trying to weave on self.instance should produce warnings
old_foo = self.instance.foo
weaver.weave_methods(self.instance, ContractAspect)
# self.instance.foo should not have been modified !
self.assertEquals(old_foo, self.instance.foo)
def test_weaving_impact(self):
"""make sure weaving base class doesn't impact extended class"""
ext_orig = self.ext
ext_orig = Extended.some_method
base_orig = Base.some_method
weaver.weave_object(Extended, LoggerAspect, self.log_device)
ext_mid = Extended.some_method
base_mid = Base.some_method
# Weaving on extended class should not affect Base class
self.assertNotEquals(ext_orig, ext_mid)
self.assertEquals(base_orig, base_mid)
weaver.weave_object(Base, LoggerAspect, self.log_device)
ext_final = Extended.some_method
base_final = Base.some_method
# Weaving on Base class should not affect already weaved Extended class
self.assertEquals(ext_mid, ext_final)
self.assertNotEquals(base_mid, base_final)
def test_weaving_impact(self):
"""make sure weaving base class doesn't impact extended class"""
ext_orig = self.ext
ext_orig = Extended.some_method
base_orig = Base.some_method
weaver.weave_object(Extended, LoggerAspect, self.log_device)
ext_mid = Extended.some_method
base_mid = Base.some_method
# Weaving on extended class should not affect Base class
self.assertNotEquals(ext_orig, ext_mid)
self.assertEquals(base_orig, base_mid)
weaver.weave_object(Base, LoggerAspect, self.log_device)
ext_final = Extended.some_method
base_final = Base.some_method
# Weaving on Base class should not affect already weaved Extended class
self.assertEquals(ext_mid, ext_final)
self.assertNotEquals(base_mid, base_final)
def test_aspect_is_abstract(self):
"""ensures that using ConfirmationAbstractAspect raises an exception"""
jumper = BaseJumper()
weaver.weave_object(jumper, ConfirmationAbstractAspect)
self.assertRaises(NotImplementedError, jumper.jump)
def test_get_weaved_instances(self):
"""tests weaved instances"""
weaver.weave_object(self.instance, ContractAspect)
instances = weaver.get_weaved_instances()
self.assertEquals(instances, [self.instance])
def test_weave_object_class(self):
"""tests Weaver.weave_object() for a class"""
weaver.weave_object(self.klass, ContractAspect)
self.assertRaises(ContractFailedError, self.instance.foo, 15)
another_instance = Test()
self.assertRaises(ContractFailedError, another_instance.foo, 15)
def test_get_weaved_instances(self):
"""tests weaved instances"""
weaver.weave_object(self.instance, ContractAspect)
instances = weaver.get_weaved_instances()
self.assertEquals(instances, [self.instance])
def test_aspect_is_abstract(self):
"""ensures that using ConfirmationAbstractAspect raises an exception"""
jumper = BaseJumper()
weaver.weave_object(jumper, ConfirmationAbstractAspect)
self.assertRaises(NotImplementedError, jumper.jump)
def test_weave_object_class(self):
"""tests Weaver.weave_object() for a class"""
weaver.weave_object(self.klass, ContractAspect)
self.assertRaises(ContractFailedError, self.instance.foo, 15)
another_instance = Test()
self.assertRaises(ContractFailedError, another_instance.foo, 15)
def test_weave_object_module(self):
"""tests Weaver.weave_module() for an instance"""
weaver.weave_object(self.mod, ContractAspect)
stack = self.mod.StackImpl(3)
self.assertRaises(ContractFailedError, stack.pop)
def enable_dbc_on(obj):
weaver.weave_object(obj, ContractAspect)
def test_weave_object_module(self):
"""tests Weaver.weave_module() for an instance"""
weaver.weave_object(self.mod, ContractAspect)
stack = self.mod.StackImpl(3)
self.assertRaises(ContractFailedError, stack.pop)
