def test_balance_using_multi_legged_transaction(self):
revenue = self.acm.account_for(ACCOUNT_TYPE.REVENUE)
deferred = self.acm.account_for(ACCOUNT_TYPE.RECEIVABLES)
receivables = self.acm.account_for(ACCOUNT_TYPE.DEFERRED)
multi = Transaction(date(2000, 1, 4))
multi.add(Money(-700), revenue)
multi.add(Money(500), receivables)
multi.add(Money(200), deferred)
multi.post()
self.assertReallyEqual(Money(500), receivables.balance())
self.assertReallyEqual(Money(200), deferred.balance())
self.assertReallyEqual(Money(-700), revenue.balance())
def withdraw(self, amount, target, date):
# two-legged AT
#AccountingTransaction(amount, self, target, date)
# multi-legged AT
trans = Transaction(date)
trans.add(-amount, self)
trans.add(amount, target)
trans.post()