#26 - Python

Author: Maanghel

Retos/Reto #26 - TESTING [Media]/python/Maanghel.py

@@ -0,0 +1,67 @@
+"""
+Crea tres test sobre el reto 12: "Viernes 13".
+- Puedes copiar una solución ya creada por otro usuario en
+    el lenguaje que estés utilizando.
+- Debes emplear un mecanismo de ejecución de test que posea
+    el lenguaje de programación que hayas seleccionado.
+- Los tres test deben de funcionar y comprobar
+    diferentes situaciones (a tu elección).
+"""
+
+from datetime import date
+import unittest
+
+def have_friday_13(year: int, month: int) -> bool:
+    """Check if the 13th of a given month/year falls on a Friday.
+
+    Args:
+        year (int): Year to check.
+        month (int): Month to check (1-12).
+
+    Returns:
+        bool: True if the 13th is Friday, False otherwise.
+
+    Raises:
+        TypeError: If arguments are not integers.
+        ValueError: If month is not in 1-12.
+    """
+    if not isinstance(year, int) or not isinstance(month, int):
+        raise TypeError("El año y el mes deben ser enteros.")
+    if not 1 <= month <= 12:
+        raise ValueError("El mes debe estar entre 1 y 12.")
+
+    return date(year, month, 13).weekday() == 4
+
+class TestHaveFriday13(unittest.TestCase):
+    """Unit test suite for the have_friday_13 function.
+
+    Tests include:
+    - Cases where Friday the 13th exists
+    - Cases where it does not
+    - Type validation errors
+    - Month range validation
+    """
+
+    def test_1(self):
+        """Check a month in 2023 that does have a Friday 13th."""
+        result = have_friday_13(2023, 1)
+        self.assertTrue(result)
+
+    def test_2(self):
+        """Check a month in 2023 that does not have a Friday 13th."""
+        result = have_friday_13(2023, 3)
+        self.assertFalse(result)
+
+    def test_3(self):
+        """Ensure TypeError is raised when passing non-integer values."""
+        with self.assertRaises(TypeError):
+            have_friday_13("s", "s")
+
+    def test_4(self):
+        """Ensure ValueError is raised when passing an out-of-range month."""
+        with self.assertRaises(ValueError):
+            have_friday_13(2024, 14)
+
+
+if __name__ == "__main__":
+    unittest.main()