clanker: test-veet (run)

problems/medium/group-anagrams/tests.py

@@ -0,0 +1,45 @@
+"""Tests for group-anagrams."""
+import pytest
+from solution import group_anagrams
+
+
+class TestBasicCases:
+    """Test basic functionality with typical inputs."""
+
+    def test_example_one(self):
+        """Test first example from problem description."""
+        assert group_anagrams(["eat", "tea", "tan", "ate", "nat", "bat"]) == [
+            ["ate", "eat", "tea"], ["bat"], ["nat", "tan"]
+        ]
+
+    def test_example_two(self):
+        """Test second example with no anagrams."""
+        assert group_anagrams(["hello", "world"]) == [["hello"], ["world"]]
+
+    def test_example_three(self):
+        """Test third example with empty strings."""
+        assert group_anagrams(["", ""]) == [["", ""]]
+
+    def test_single_word(self):
+        """Test with a single word."""
+        assert group_anagrams(["abc"]) == [["abc"]]
+
+
+class TestEdgeCases:
+    """Test edge cases and boundary conditions."""
+
+    def test_empty_list(self):
+        """Test with no words."""
+        assert group_anagrams([]) == []
+
+    def test_all_same_word(self):
+        """Test with identical words."""
+        assert group_anagrams(["abc", "abc", "abc"]) == [["abc", "abc", "abc"]]
+
+    def test_single_character_words(self):
+        """Test with single character strings."""
+        assert group_anagrams(["a", "b", "a"]) == [["a", "a"], ["b"]]
+
+    def test_different_lengths_not_grouped(self):
+        """Test that words of different lengths are never grouped."""
+        assert group_anagrams(["ab", "abc", "ba"]) == [["ab", "ba"], ["abc"]]