Fix doctest

Author: BlankCheng

data/raw/f_681_xiaoheng.py

@@ -26,6 +26,7 @@ def f_681():
     - random
 
     Example:
+        >>> random.seed(42)
         >>> hand, rank_counts = f_681()
         >>> print(hand)  
         ['QH', '2C', '5D', '4H', 'QH']

debug/f_681_xiaoheng.py

@@ -0,0 +1,103 @@
+from collections import Counter
+import random
+
+# Constants
+HAND_RANKS = ['2', '3', '4', '5', '6', '7', '8', '9', '10', 'J', 'Q', 'K', 'A']
+SUITS = ['H', 'D', 'C', 'S']
+
+
+def f_681():
+    """
+    Generate a random poker hand consisting of five cards, and count the frequency of each card rank.
+
+    The function creates a list of five cards where each card is a string made up of a rank and a suit (e.g., "10H" for Ten of Hearts).
+    It then counts the frequency of each card rank in the hand using a Counter dictionary.
+
+    Parameters:
+    - None
+
+    Returns:
+    tuple: A tuple containing two elements:
+        - hand (list): A list of five cards.
+        - rank_count (counter): A Counter dictionary of card ranks with their frequencies in the hand.
+
+    Requirements:
+    - collections
+    - random
+
+    Example:
+        >>> random.seed(42)
+        >>> hand, rank_counts = f_681()
+        >>> print(hand)  
+        ['QH', '2C', '5D', '4H', 'QH']
+        >>> print(rank_counts)  
+        Counter({'Q': 2, '2': 1, '5': 1, '4': 1})
+    """
+
+    hand = []
+    for _ in range(5):
+        rank = random.choice(HAND_RANKS)
+        suit = random.choice(SUITS)
+        card = f'{rank}{suit}'
+        hand.append(card)
+
+    rank_counts = Counter([card[:-1] for card in hand])
+
+    return hand, rank_counts
+
+
+import unittest
+from collections import Counter
+
+HAND_RANKS = ['2', '3', '4', '5', '6', '7', '8', '9', '10', 'J', 'Q', 'K', 'A']
+SUITS = ['H', 'D', 'C', 'S']
+
+
+class TestCases(unittest.TestCase):
+    def setUp(self) -> None:
+        random.seed(42)
+
+    def test_poker_hand_length(self):
+        """Test if the poker hand has 5 cards."""
+        hand, rank_counts = f_681()
+        self.assertEqual(len(hand), 5, "The poker hand should contain 5 cards.")
+
+    def test_card_format(self):
+        """Test if each card in the hand is formatted correctly."""
+        hand, rank_counts = f_681()
+        for card in hand:
+            self.assertIn(len(card), [2, 3],
+                          "Each card should be a string of length 2 or 3.")
+            self.assertIn(card[:-1], HAND_RANKS,
+                          "The rank of each card should be valid.")
+            self.assertIn(card[-1], SUITS, "The suit of each card should be valid.")
+
+    def test_rank_counts_type(self):
+        """Test if rank_counts is of type Counter."""
+        hand, rank_counts = f_681()
+        self.assertIsInstance(rank_counts, Counter,
+                              "rank_counts should be a Counter dictionary.")
+
+    def test_rank_counts_keys(self):
+        """Test if the keys of rank_counts are valid ranks."""
+        hand, rank_counts = f_681()
+        for rank in rank_counts.keys():
+            self.assertIn(rank, HAND_RANKS, "The ranks in rank_counts should be valid.")
+
+    def test_rank_counts_values(self):
+        """Test if the values of rank_counts are integers."""
+        hand, rank_counts = f_681()
+        for count in rank_counts.values():
+            self.assertIsInstance(count, int,
+                                  "The counts in rank_counts should be integers.")
+
+
+def run_tests():
+    suite = unittest.TestSuite()
+    suite.addTest(unittest.makeSuite(TestCases))
+    runner = unittest.TextTestRunner()
+    runner.run(suite)
+
+
+if __name__ == "__main__":
+    run_tests()