def test_ReversalAdjustment(self):
"""
reversing incorrect accounting event
"""
#setUpLowPay()
# what initially posted
usage_event = Usage(Unit.KWH.amount(50), date(1999, 10, 1), self.acm)
# must read http://martinfowler.com/eaaDev/AgreementDispatcher.html
event_list = EventList()
event_list.add(usage_event)
event_list.process()
self.assertReallyEqual(Money(500), self.acm.balance_for(ACCOUNT_TYPE.BASE_USAGE))
self.assertReallyEqual(Money(27.5), self.acm.balance_for(ACCOUNT_TYPE.TAX))
# adjust
adjustment1 = Usage(Unit.KWH.amount(70), date(1999, 10, 1),
adjusted_event=usage_event)
#adjustment1 = ReversalAdjustment(usage_event.event_type, date(1999, 11, 1),
# adjusted_event=usage_event)
event_list.add(adjustment1)
event_list.process()
self.assertReallyEqual(Money(700), self.acm.balance_for(ACCOUNT_TYPE.BASE_USAGE))
self.assertReallyEqual(Money(38.50), self.acm.balance_for(ACCOUNT_TYPE.TAX))
def test_DifferenceAdjustment(self):
usage1 = Usage(Unit.KWH.amount(20), date(1999, 10, 1), self.acm)
usage2 = Usage(Unit.KWH.amount(20), date(1999, 10, 2), self.acm)
usage3 = Usage(Unit.KWH.amount(30), date(1999, 10, 3), self.acm)
event_list = EventList()
event_list.add(usage1)
event_list.add(usage2)
event_list.add(usage3)
event_list.process()
# total 700kw, $700, $38.5 tax
self.assertReallyEqual(Money(700), self.acm.balance_for(ACCOUNT_TYPE.BASE_USAGE))
self.assertReallyEqual(Money(38.50), self.acm.balance_for(ACCOUNT_TYPE.TAX))
# adjustment events
new1 = Usage(Unit.KWH.amount(10), date(1999, 10, 1), self.acm)
new2 = Usage(Unit.KWH.amount(10), date(1999, 10, 2), self.acm)
new3 = Usage(Unit.KWH.amount(15), date(1999, 10, 3), self.acm)
adj_date = date(2000, 1, 12)
adj = DifferenceAdjustment(adj_date, self.acm)
adj.add_old_event(usage1)
adj.add_old_event(usage2)
adj.add_old_event(usage3)
adj.add_new_event(new1)
adj.add_new_event(new2)
adj.add_new_event(new3)
event_list.add(adj)
event_list.process()
self.assertReallyEqual(Money(350), self.acm.balance_for(ACCOUNT_TYPE.BASE_USAGE))
self.assertReallyEqual(Money(19.25), self.acm.balance_for(ACCOUNT_TYPE.TAX))
