def testGetInstance(self):
"""ViewTest: Test get view instance"""
view1 = View.getInstance(self.KEY1)
view2 = View.getInstance(self.KEY2)
self.assertNotEqual(None, view1)
self.assertNotEqual(None, view2)
self.assertNotEqual(view1, view2)
def testGetInstance(self):
"""ViewTest: Test get view instance"""
view1 = View.getInstance(self.KEY1)
view2 = View.getInstance(self.KEY2)
self.assertNotEqual(None, view1)
self.assertNotEqual(None, view2)
self.assertNotEqual(view1, view2)
def testSuccessiveRegisterAndRemoveMediator(self):
"""ViewTest: Test Successive registerMediator() and removeMediator()"""
view = View.getInstance(self.KEY1)
view.registerMediator(ViewTestMediator(self))
self.assertTrue(
isinstance(view.retrieveMediator(ViewTestMediator.NAME),
ViewTestMediator))
view.removeMediator(ViewTestMediator.NAME)
self.assertEqual(view.retrieveMediator(ViewTestMediator.NAME), None)
self.assertEqual(view.removeMediator(ViewTestMediator.NAME), None)
view.registerMediator(ViewTestMediator(self))
self.assertTrue(
isinstance(view.retrieveMediator(ViewTestMediator.NAME),
ViewTestMediator))
view.removeMediator(ViewTestMediator.NAME)
self.assertEqual(view.retrieveMediator(ViewTestMediator.NAME), None)
def testRemoveOneOfTwoMediatorsAndSubsequentNotify(self):
"""ViewTest: Test removing one of two Mediators and subsequent notify()
"""
view = View.getInstance(self.KEY1)
view.registerMediator(ViewTestMediator2(self))
view.registerMediator(ViewTestMediator3(self))
view.notifyObservers(Notification(self.NOTE1))
self.assertEqual(True, self.lastNotification == self.NOTE1)
view.notifyObservers(Notification(self.NOTE2))
self.assertEqual(True, self.lastNotification == self.NOTE2)
view.notifyObservers(Notification(self.NOTE3))
self.assertEqual(True, self.lastNotification == self.NOTE3)
view.removeMediator(ViewTestMediator2.NAME)
self.assertEqual(view.retrieveMediator(ViewTestMediator2.NAME), None)
self.lastNotification = None
view.notifyObservers(Notification(self.NOTE1))
self.assertEqual(True, self.lastNotification != self.NOTE1)
view.notifyObservers(Notification(self.NOTE2))
self.assertEqual(True, self.lastNotification != self.NOTE2)
view.notifyObservers(Notification(self.NOTE3))
self.assertEqual(True, self.lastNotification == self.NOTE3)
def testMediatorReregistration(self):
"""
Tests registering the same mediator twice.
A subsequent notification should only illicit one response. Also, since
reregistration was causing 2 observers to be created, ensure that after
removal of the mediator there will be no further response.
Added for the fix deployed in version 2.0.4
"""
view = View.getInstance(self.KEY1)
view.registerMediator(ViewTestMediator5(self))
# Try to register another instance of that mediator
# (uses the same NAME constant).
view.registerMediator(ViewTestMediator5(self))
self.counter = 0
view.notifyObservers(Notification(self.NOTE5))
self.assertEqual(1, self.counter)
view.removeMediator(ViewTestMediator5.NAME)
self.assertEqual(view.retrieveMediator(ViewTestMediator5.NAME), None)
self.counter = 0
view.notifyObservers(Notification(self.NOTE5))
self.assertEqual(0, self.counter)
def testRemoveOneOfTwoMediatorsAndSubsequentNotify(self):
"""ViewTest: Test removing one of two Mediators and subsequent notify()
"""
view = View.getInstance(self.KEY1)
view.registerMediator(ViewTestMediator2(self))
view.registerMediator(ViewTestMediator3(self))
view.notifyObservers(Notification(self.NOTE1))
self.assertEqual(True, self.lastNotification == self.NOTE1)
view.notifyObservers(Notification(self.NOTE2))
self.assertEqual(True, self.lastNotification == self.NOTE2)
view.notifyObservers(Notification(self.NOTE3))
self.assertEqual(True, self.lastNotification == self.NOTE3)
view.removeMediator(ViewTestMediator2.NAME)
self.assertEqual(view.retrieveMediator(ViewTestMediator2.NAME), None)
self.lastNotification = None
view.notifyObservers(Notification(self.NOTE1))
self.assertEqual(True, self.lastNotification != self.NOTE1)
view.notifyObservers(Notification(self.NOTE2))
self.assertEqual(True, self.lastNotification != self.NOTE2)
view.notifyObservers(Notification(self.NOTE3))
self.assertEqual(True, self.lastNotification == self.NOTE3)
def testMediatorReregistration(self):
"""
Tests registering the same mediator twice.
A subsequent notification should only illicit one response. Also, since
reregistration was causing 2 observers to be created, ensure that after
removal of the mediator there will be no further response.
Added for the fix deployed in version 2.0.4
"""
view = View.getInstance(self.KEY1)
view.registerMediator(ViewTestMediator5(self))
# Try to register another instance of that mediator
# (uses the same NAME constant).
view.registerMediator(ViewTestMediator5(self))
self.counter = 0
view.notifyObservers(Notification(self.NOTE5))
self.assertEqual(1, self.counter)
view.removeMediator(ViewTestMediator5.NAME)
self.assertEqual(view.retrieveMediator(ViewTestMediator5.NAME), None)
self.counter = 0
view.notifyObservers(Notification(self.NOTE5))
self.assertEqual(0, self.counter)
def initializeView(self):
"""
Initialize the C{View}.
Called by the C{initializeFacade} method.
Override this method in your subclass of C{Facade}
if one or both of the following are true:
You wish to initialize a different C{IView}.
You have C{Observers} to register with the C{View}
If you don't want to initialize a different C{IView},
call C{super.initializeView()} at the beginning of your
method, then register C{IMediator} instances.
Note: This method is <i>rarely</i> overridden; in practice you are more
likely to use a C{Command} to create and register C{Mediator}s with the
C{View}, since C{IMediator} instances will need to send
C{INotification}s and thus will likely want to fetch a reference
to the C{Facade} during their construction.
"""
if self.view is None:
from puremvc.core import View
self.view = View.getInstance(self.multitonKey)
def initializeView(self):
"""
Initialize the C{View}.
Called by the C{initializeFacade} method.
Override this method in your subclass of C{Facade}
if one or both of the following are true:
You wish to initialize a different C{IView}.
You have C{Observers} to register with the C{View}
If you don't want to initialize a different C{IView},
call C{super.initializeView()} at the beginning of your
method, then register C{IMediator} instances.
Note: This method is <i>rarely</i> overridden; in practice you are more
likely to use a C{Command} to create and register C{Mediator}s with the
C{View}, since C{IMediator} instances will need to send
C{INotification}s and thus will likely want to fetch a reference
to the C{Facade} during their construction.
"""
if self.view is None:
from puremvc.core import View
self.view = View.getInstance(self.multitonKey)
def removeCore(cls, key):
"""
Remove a Core.
Remove the Model, View, Controller and Facade instances for the given
key.
@param key: of the Core to remove
"""
if cls.instanceMap.get(key):
from puremvc.core import Controller, Model, View
Model.removeModel(key)
View.removeView(key)
Controller.removeController(key)
cls.instanceMap.pop(key)
def removeCore(cls, key):
"""
Remove a Core.
Remove the Model, View, Controller and Facade instances for the given
key.
@param key: of the Core to remove
"""
if cls.instanceMap.get(key):
from puremvc.core import Controller, Model, View
Model.removeModel(key)
View.removeView(key)
Controller.removeController(key)
cls.instanceMap.pop(key)
def testRemoveSelf(self):
view = View.getInstance(self.KEY1)
view.registerMediator(ViewTestMediator2(self))
view.registerMediator(ViewTestMediator3(self))
self.assertTrue(self.NOTE5 in view.observerMap)
view.notifyObservers(Notification(self.NOTE5))
self.assertFalse(self.NOTE5 in view.observerMap)
def testRemoveSelf(self):
view = View.getInstance(self.KEY1)
view.registerMediator(ViewTestMediator2(self))
view.registerMediator(ViewTestMediator3(self))
self.assertTrue(self.NOTE5 in view.observerMap)
view.notifyObservers(Notification(self.NOTE5))
self.assertFalse(self.NOTE5 in view.observerMap)
def testRegisterAndRetrieveMediator(self):
"""ViewTest: Test registerMediator() and retrieveMediator()"""
view = View.getInstance(self.KEY1)
viewTestMediator = ViewTestMediator(self)
view.registerMediator(viewTestMediator)
mediator = view.retrieveMediator(ViewTestMediator.NAME)
self.assertEqual(True, isinstance(mediator, ViewTestMediator))
def testRegisterAndRetrieveMediator(self):
"""ViewTest: Test registerMediator() and retrieveMediator()"""
view = View.getInstance(self.KEY1)
viewTestMediator = ViewTestMediator(self)
view.registerMediator(viewTestMediator)
mediator = view.retrieveMediator(ViewTestMediator.NAME)
self.assertEqual(True, isinstance(mediator, ViewTestMediator))
def testOnRegisterAndOnRemove(self):
"""ViewTest: Test onRegsiter() and onRemove()"""
view = View.getInstance(self.KEY1)
mediator = ViewTestMediator4(self)
view.registerMediator(mediator)
self.assertEqual(True, self.onRegisterCalled)
view.removeMediator(ViewTestMediator4.NAME)
self.assertEqual(True, self.onRemoveCalled)
def testRegisterAndRemoveMediator(self):
"""ViewTest: Test registerMediator() and removeMediator()"""
view = View.getInstance(self.KEY1)
meditr = Mediator('testing', self)
view.registerMediator(meditr)
removedMediator = view.removeMediator('testing')
self.assertEqual(True, removedMediator.getMediatorName() == 'testing')
self.assertEqual(True, view.retrieveMediator('testing') == None)
def testOnRegisterAndOnRemove(self):
"""ViewTest: Test onRegsiter() and onRemove()"""
view = View.getInstance(self.KEY1)
mediator = ViewTestMediator4(self)
view.registerMediator(mediator)
self.assertEqual(True, self.onRegisterCalled)
view.removeMediator(ViewTestMediator4.NAME)
self.assertEqual(True, self.onRemoveCalled)
def testRegisterAndRemoveMediator(self):
"""ViewTest: Test registerMediator() and removeMediator()"""
view = View.getInstance(self.KEY1)
meditr = Mediator('testing', self)
view.registerMediator(meditr)
removedMediator = view.removeMediator('testing')
self.assertEqual(True, removedMediator.getMediatorName() == 'testing')
self.assertEqual(True, view.retrieveMediator('testing') == None)
def testHasMediator(self):
"""ViewTest: Test hasMediator()"""
# Create views
view1 = View.getInstance(self.KEY1)
view2 = View.getInstance(self.KEY2)
# Create mediators
mediator1 = Mediator('hasMediator1', self)
mediator2 = Mediator('hasMediator2', self)
# Register mediators
view1.registerMediator(mediator1)
view2.registerMediator(mediator2)
self.assertEqual(True, view1.hasMediator('hasMediator1'))
self.assertEqual(True, view2.hasMediator('hasMediator2'))
# Remove mediators
view1.removeMediator('hasMediator1')
view2.removeMediator('hasMediator2')
self.assertEqual(False, view1.hasMediator('hasMediator1'))
self.assertEqual(False, view2.hasMediator('hasMediator2'))
def testHasMediator(self):
"""ViewTest: Test hasMediator()"""
# Create views
view1 = View.getInstance(self.KEY1)
view2 = View.getInstance(self.KEY2)
# Create mediators
mediator1 = Mediator('hasMediator1', self)
mediator2 = Mediator('hasMediator2', self)
# Register mediators
view1.registerMediator(mediator1)
view2.registerMediator(mediator2)
self.assertEqual(True, view1.hasMediator('hasMediator1'))
self.assertEqual(True, view2.hasMediator('hasMediator2'))
# Remove mediators
view1.removeMediator('hasMediator1')
view2.removeMediator('hasMediator2')
self.assertEqual(False, view1.hasMediator('hasMediator1'))
self.assertEqual(False, view2.hasMediator('hasMediator2'))
def testRegisterAndNotifyObserver(self):
"""ViewTest: Test registerObserver() and notifyObservers()"""
def viewTestMethod(note):
self.viewTestVar = note.getBody()
self.viewTestVar = 0
view = View.getInstance(self.KEY1)
obsvr = Observer(viewTestMethod, self)
view.registerObserver(ViewTestNote.NAME, obsvr)
note = ViewTestNote.create(10)
view.notifyObservers(note)
self.assertEqual(True, self.viewTestVar == 10)
def testRegisterAndNotifyObserver(self):
"""ViewTest: Test registerObserver() and notifyObservers()"""
def viewTestMethod(note):
self.viewTestVar = note.getBody()
self.viewTestVar = 0
view = View.getInstance(self.KEY1)
obsvr = Observer(viewTestMethod, self)
view.registerObserver(ViewTestNote.NAME, obsvr)
note = ViewTestNote.create(10)
view.notifyObservers(note)
self.assertEqual(True, self.viewTestVar == 10)
def testSuccessiveRegisterAndRemoveMediator(self):
"""ViewTest: Test Successive registerMediator() and removeMediator()"""
view = View.getInstance(self.KEY1)
view.registerMediator(ViewTestMediator(self))
self.assertTrue(isinstance(
view.retrieveMediator(ViewTestMediator.NAME), ViewTestMediator))
view.removeMediator(ViewTestMediator.NAME)
self.assertEqual(view.retrieveMediator(ViewTestMediator.NAME), None)
self.assertEqual(view.removeMediator(ViewTestMediator.NAME), None)
view.registerMediator(ViewTestMediator(self))
self.assertTrue(isinstance(
view.retrieveMediator(ViewTestMediator.NAME), ViewTestMediator))
view.removeMediator(ViewTestMediator.NAME)
self.assertEqual(view.retrieveMediator(ViewTestMediator.NAME), None)
def testIsIView(self):
"""ViewTest: Test instance implements IView"""
view = View.getInstance(self.KEY1)
self.assertEqual(True, isinstance(view, IView))
def testIsIView(self):
"""ViewTest: Test instance implements IView"""
view = View.getInstance(self.KEY1)
self.assertEqual(True, isinstance(view, IView))
def testErrorSameKey(self):
"""ModelTest: raise error if create controller with same key"""
model = View(self.KEY1)
self.assertRaises(MultitonError, View, self.KEY1)
def tearDown(self):
View.getInstance(self.KEY1).removeMediator(ViewTestMediator.NAME)
View.getInstance(self.KEY1).removeMediator(ViewTestMediator2.NAME)
View.getInstance(self.KEY1).removeMediator(ViewTestMediator3.NAME)
View.getInstance(self.KEY1).removeMediator(ViewTestMediator4.NAME)
View.getInstance(self.KEY1).removeMediator(ViewTestMediator5.NAME)
def tearDown(self):
View.getInstance(self.KEY1).removeMediator(ViewTestMediator.NAME)
View.getInstance(self.KEY1).removeMediator(ViewTestMediator2.NAME)
View.getInstance(self.KEY1).removeMediator(ViewTestMediator3.NAME)
View.getInstance(self.KEY1).removeMediator(ViewTestMediator4.NAME)
View.getInstance(self.KEY1).removeMediator(ViewTestMediator5.NAME)
