def test_instance_getattr(self):
data = '''
class WebAppObject(object):
def __init__(self, application):
self.appli = application
self.appli += 2
del self.appli
'''
astng = abuilder.string_build(data, __name__, __file__)
inst = Instance(astng['WebAppObject'])
# test del statement not returned by getattr
self.assertEquals(len(inst.getattr('appli')), 2)
def interfaces(self, herited=True, handler_func=_iface_hdlr):
"""return an iterator on interfaces implemented by the given
class node
"""
# FIXME: what if __implements__ = (MyIFace, MyParent.__implements__)...
try:
implements = Instance(self).getattr('__implements__')[0]
except NotFoundError:
return
if not herited and not implements.frame() is self:
return
found = set()
for iface in unpack_infer(implements):
if iface is YES:
continue
if not iface in found and handler_func(iface):
found.add(iface)
yield iface
if not found:
raise InferenceError()
def test_instance_getattr_with_class_attr(self):
data = '''
class Parent:
aa = 1
cc = 1
class Klass(Parent):
aa = 0
bb = 0
def incr(self, val):
self.cc = self.aa
if val > self.aa:
val = self.aa
if val < self.bb:
val = self.bb
self.aa += val
'''
astng = abuilder.string_build(data, __name__, __file__)
inst = Instance(astng['Klass'])
self.assertEquals(len(inst.getattr('aa')), 3, inst.getattr('aa'))
self.assertEquals(len(inst.getattr('bb')), 1, inst.getattr('bb'))
self.assertEquals(len(inst.getattr('cc')), 2, inst.getattr('cc'))
