Add test_list.py

Author: yyossy5

test/basic/test_list.py

@@ -0,0 +1,66 @@
+"""Tests for list operations module."""
+
+import unittest
+
+from src.basic.list import (
+    is_empty_using_comparison,
+    is_empty_using_len,
+    is_empty_using_not,
+)
+
+
+class TestEmptyListChecks(unittest.TestCase):
+    """Test cases for empty list check functions.
+
+    This test suite verifies different methods of checking if a list is empty.
+    Each test method validates both empty and non-empty list cases.
+    """
+
+    def setUp(self):
+        """Initialize test data.
+
+        Creates two test lists:
+        - empty_list: An empty list for testing empty case
+        - non_empty_list: A list with elements for testing non-empty case
+        """
+        self.empty_list = []
+        self.non_empty_list = [1, 2, 3]
+
+    def test_is_empty_using_len(self):
+        """Test empty list check using len() function.
+
+        Tests:
+            1. Empty list should return True
+            2. Non-empty list should return False
+
+        This test verifies that the len() based empty check works correctly
+        for both empty and non-empty lists.
+        """
+        self.assertTrue(is_empty_using_len(self.empty_list))
+        self.assertFalse(is_empty_using_len(self.non_empty_list))
+
+    def test_is_empty_using_not(self):
+        """Test empty list check using not operator.
+
+        Tests:
+            1. Empty list should return True
+            2. Non-empty list should return False
+
+        This test verifies that the recommended method using 'not' operator
+        works correctly for both empty and non-empty lists.
+        """
+        self.assertTrue(is_empty_using_not(self.empty_list))
+        self.assertFalse(is_empty_using_not(self.non_empty_list))
+
+    def test_is_empty_using_comparison(self):
+        """Test empty list check using comparison with empty list.
+
+        Tests:
+            1. Empty list should return True
+            2. Non-empty list should return False
+
+        This test verifies that comparing with an empty list []
+        works correctly for both empty and non-empty lists.
+        """
+        self.assertTrue(is_empty_using_comparison(self.empty_list))
+        self.assertFalse(is_empty_using_comparison(self.non_empty_list))