def test_get_budget_totals(self):
account = Account()
account.add_budget("Groceries", interval=MONTHLY, limit=1000)
account.add_purchase(100, category="Groceries")
result = account.get_budget_totals()
expected = {"Groceries": Decimal(100)}
self.assertEqual(result, expected)
def test_add_purchase(self):
account = Account()
purchase = account.add_purchase(1000, description="Morning Coffee")
self.assertIn(purchase, account.transactions)
self.assertEqual(purchase.amount, Decimal("1000.00"))
self.assertEqual("Morning Coffee", purchase.description)
