def test_observation(self):
def ResetAll(obs):
for obPair in obs:
for ob in obPair:
ob.Reset()
return
def CheckObservers(observers, pattern):
for obPair, shouldChange in itertools.izip(observers, pattern):
if shouldChange:
for ob in obPair:
assert ob.CallTime is not None
assert obPair[0].CallTime < obPair[1].CallTime
else:
for ob in obPair:
assert ob.CallTime is None
return
lst = ObservableList()
observers = self.MakeListObservers(lst)
# Add an elem
lst.append(Circle(4))
CheckObservers(observers, (True, False, False, True))
# Replace one
ResetAll(observers)
lst[0] = 18
CheckObservers(observers, (False, False, True, False))
# Delete one
ResetAll(observers)
del lst[0]
CheckObservers(observers, (False, True, False, True))
return
def test_observation(self):
def ResetAll(obs):
for obPair in obs:
for ob in obPair:
ob.Reset()
return
def CheckObservers(observers, pattern):
for obPair, shouldChange in itertools.izip(observers, pattern):
if shouldChange:
for ob in obPair:
assert ob.CallTime is not None
assert obPair[0].CallTime < obPair[1].CallTime
else:
for ob in obPair:
assert ob.CallTime is None
return
lst = ObservableList()
observers = self.MakeListObservers(lst)
# Add an elem
lst.append(Circle(4))
CheckObservers(observers, (True, False, False, True))
# Replace one
ResetAll(observers)
lst[0] = 18
CheckObservers(observers, (False, False, True, False))
# Delete one
ResetAll(observers)
del lst[0]
CheckObservers(observers, (False, True, False, True))
return
