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  1. # Expenses
  2.  
  3.  
  4. class Move:
  5.     def __init__(self, concept: str, amountInCents: int):
  6.         self.__concept = concept
  7.         self.__amount = amountInCents
  8.     ...    
  9.  
  10.     @property
  11.     def amountInCents(self) -> int:
  12.         return self.__amount
  13.     ...
  14.  
  15.     @property
  16.     def amount(self) -> float:
  17.         return self.__amount / 100.0
  18.     ...
  19.  
  20.     @property
  21.     def concept(self) -> float:
  22.         return self.__concept
  23.     ...
  24.  
  25.     def __str__(self) -> str:
  26.         return f"{self.amount}€ ({self.concept})"
  27.     ...
  28. ...
  29.  
  30.  
  31. class Expense(Move):
  32.     def __init__(self, concept: str, amountInCents: int):
  33.         super().__init__(concept, -abs(amountInCents))
  34.     ...    
  35.  
  36.     def __str__(self):
  37.         return "\t" + super().__str__()
  38.     ...
  39. ...
  40.  
  41.  
  42. class Income(Move):
  43.     def __init__(self, concept: str, amountInCents):
  44.         super().__init__(concept, amountInCents)
  45.     ...    
  46. ...
  47.  
  48.  
  49. class Account:
  50.     def __init__(self):
  51.         self.__moves = []
  52.     ...
  53.  
  54.     @property
  55.     def expenses(self) -> list[Move]:
  56.         return list(self.__moves)
  57.     ...
  58.  
  59.     def add(self, move: Move):
  60.         self.__moves.append(move)
  61.     ...
  62.  
  63.     def balanceInCents(self) -> int:
  64.         toret = 0
  65.  
  66.         for m in self.__moves:
  67.             toret += m.amountInCents
  68.         ...
  69.  
  70.         return toret
  71.     ...
  72.  
  73.     def balance(self) -> float:
  74.         return self.balanceInCents() / 100.0
  75.     ...
  76.  
  77.     def __str__(self):
  78.         return str.join( "\n", [str(x) for x in self.__moves]) \
  79.                 + f"\n\nBalance: {self.balance()}€"
  80.     ...
  81. ...
  82.  
  83.  
  84. import unittest
  85.  
  86.  
  87. class Test(unittest.TestCase):
  88.     def setUp(self):
  89.         self._acc = Account()
  90.     ...
  91.  
  92.     def test_income(self):
  93.         concept = "salary"
  94.         salary = 150000
  95.         i1 = Income(concept, salary)
  96.         self.assertEqual(concept, i1.concept)
  97.         self.assertEqual(salary, i1.amountInCents)
  98.         self.assertEqual(salary / 100.0, i1.amount)
  99.         self.assertEqual(f"{salary / 100.0}€ ({concept})", str(i1))
  100.     ...
  101.  
  102.     def test_expense(self):
  103.         concept = "super"
  104.         amount = 12000
  105.         e1 = Expense(concept, amount)
  106.         self.assertEqual(concept, e1.concept)
  107.         self.assertEqual(-amount, e1.amountInCents)
  108.         self.assertEqual(-amount / 100.0, e1.amount)
  109.         self.assertEqual(f"\t-{amount / 100.0}€ ({concept})", str(e1))
  110.     ...
  111.  
  112.     def test_account(self):
  113.         self._acc.add(Income("salary", 150050))
  114.         self._acc.add(Expense("super", 11010))
  115.         self._acc.add(Expense("rent", 60010))
  116.         print(self._acc)
  117.         self.assertEqual(790.3, self._acc.balance())
  118.     ... 
  119. ...
  120.  
  121.  
  122. if __name__ == "__main__":
  123.     unittest.main()
  124. ...
  125.  
  126.  
Success #stdin #stdout #stderr 0.52s 20496KB
comments (?)
stdin 
Standard input is empty
stdout 
1500.5€ (salary)
	-110.1€ (super)
	-600.1€ (rent)

Balance: 790.3€
stderr 
...
----------------------------------------------------------------------
Ran 3 tests in 0.001s

OK
https://ideone.com/DSm1Vt
Ejemplo de pruebas de unidad en Python con Unittest
language:
Python 3 (python  3.12)
created:
2 days ago
visibility:
public

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