def testMediator(self):
M = FwMediator()
eventgroup = "testEvents"
C1 = TColleague(M, eventgroup)
C2 = TColleague(M, eventgroup)
assert C1.mediator == M and C2.mediator == M
M.register(C1, eventgroup, "Add", "Change", "Del")
M.register(C2, eventgroup, "Add", "Del")
E1 = FwEventFactory(C1, "Add")
E2 = FwEventFactory(C1, "Change")
assert E1.eventgroup == eventgroup and E2.eventgroup == eventgroup
C1.report(E1)
assert C2.myevent == 1 and C1.myevent == 0
# C2 isn't registred for "Change" actions
C1.report(E2)
assert C2.myevent == 1 and C1.myevent == 0
# register another event
M.register(C2, eventgroup, "Change")
C1.report(E2)
assert C2.myevent == 2 and C1.myevent == 0
# unregister from all events
M.unregister(C2, eventgroup, "Add", "Change")
C1.report(E1)
C1.report(E2)
assert C2.myevent == 2 and C1.myevent == 0
