Engine: Card a farby/hodnoty su hashovatelne

Vlastne __eq__ rusilo zdedeny __hash__, takze karty ani enumy sa nedali
pouzit ako kluce dictov a v setoch. Hash doplneny konzistentne s __eq__.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

bridzik.py

@@ -19,6 +19,10 @@ class Card_colors(Enum):
             return self.name == other.name
         return NotImplemented
 
+    # vlastne __eq__ rusi zdedeny __hash__ -- obnovit konzistentne s __eq__
+    def __hash__(self):
+        return hash(self.name)
+
 
 class Card_values(Enum):
     C7 = 1
@@ -51,6 +55,10 @@ class Card_values(Enum):
             return self.name == other.name
         return NotImplemented
 
+    # vlastne __eq__ rusi zdedeny __hash__ -- obnovit konzistentne s __eq__
+    def __hash__(self):
+        return hash(self.name)
+
 
 class Card():
     def __init__(self, color: Card_colors, value: Card_values):
@@ -63,6 +71,10 @@ class Card():
                 and self.value == other.value
         return NotImplemented
 
+    # vlastne __eq__ rusi zdedeny __hash__ -- obnovit konzistentne s __eq__
+    def __hash__(self):
+        return hash((self.color, self.value))
+
     def __str__(self):
         return '{}_{}'.format(self.color.name, self.value.name)
 

tests/test_engine.py

@@ -121,6 +121,16 @@ class StashCase(unittest.TestCase):
         self.assertRaises(BridzikException, s.get_active_player)
 
 
+class CardCase(unittest.TestCase):
+    def test_hashable_consistent_with_eq(self):
+        # vlastne __eq__ nesmie zrusit hashovatelnost (dict/set pouzitie)
+        heart_7 = Card(Card_colors['HEARTS'], Card_values['C7'])
+        self.assertEqual(hash(heart_7), hash(Card(Card_colors['HEARTS'], Card_values['C7'])))
+        self.assertEqual(len(set(cards)), 32)
+        self.assertEqual({Card_colors['HEARTS']: 1}[Card_colors['HEARTS']], 1)
+        self.assertEqual({Card_values['ACE']: 1}[Card_values['ACE']], 1)
+
+
 class RoundCase(unittest.TestCase):
     def test_round_constructor(self):
         self.assertRaises(BridzikException, Round, round_number=8, first_player=0)