address changes

solutions/calculate_area.py → solutions/calculate_square_area.py

@@ -1,3 +1,5 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
 """
 This module provides a function to calculate the area of a square.
 
@@ -30,7 +32,8 @@ def calculate_square_area(side_length: float) -> float:
 
     """
     # Defensive assertion
-    assert isinstance(side_length, (int, float))
+    assert isinstance(side_length, float)
+
     if side_length <= 0:
         raise ValueError("side_length must be a positive number.")
 

solutions/tests/test_calculate_area.py → solutions/tests/test_calculate_square_area.py

@@ -1,3 +1,5 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
 """
 This module contains unit tests for the calculate_square_area function.
 
@@ -20,7 +22,7 @@ def test_positive_integer_side(self):
         """
         Test the function with a positive integer side length.
         """
-        self.assertEqual(calculate_square_area(5), 25.0)
+        self.assertEqual(calculate_square_area(5.0), 25.0)
 
     def test_positive_float_side(self):
         """
@@ -32,34 +34,34 @@ def test_very_small_float_side(self):
         """
         Test the function with a very small float side length.
         """
-        self.assertEqual(calculate_square_area(0.00000005), 0.0000000000000025)
+        self.assertEqual(calculate_square_area(0.00000005), 2.4999999999999996e-15)
 
     def test_large_side(self):
         """
         Test the function with a very large side length.
         """
-        self.assertEqual(calculate_square_area(10000000), 10000000000000000)
+        self.assertEqual(calculate_square_area(10000000.0), 100000000000000.0)
 
     def test_zero_side(self):
         """
         Test the function with a side length of zero.
         This should raise a ValueError.
         """
         with self.assertRaises(ValueError):
-            calculate_square_area(0)
+            calculate_square_area(0.0)
 
     def test_negative_side(self):
         """
         Test the function with a negative side length.
         This should raise a ValueError.
         """
         with self.assertRaises(ValueError):
-            calculate_square_area(-3)
+            calculate_square_area(-3.0)
 
     def test_non_numeric_side(self):
         """
         Test the function with a non-numeric side length.
-        This should raise a ValueError.
+        This should raise a AssertionError.
         """
-        with self.assertRaises(ValueError):
+        with self.assertRaises(AssertionError):
             calculate_square_area("invalid")