Laravel MCP Companion

"""Tests for the fuzzy_search function.""" from laravel_mcp_companion import fuzzy_search class TestFuzzySearch: """Test cases for fuzzy_search functionality.""" def test_exact_match_single_word(self): """Test exact match for single word.""" text = "Laravel is a PHP framework for web artisans" matches = fuzzy_search("Laravel", text) assert len(matches) > 0 assert matches[0]['score'] == 1.0 assert matches[0]['word'] == 'laravel' assert 'laravel' in matches[0]['context'].lower() def test_case_insensitive_match(self): """Test that matching is case insensitive.""" text = "LARAVEL is great and laravel is powerful" matches = fuzzy_search("LaRaVeL", text) assert len(matches) == 2 assert all(m['score'] == 1.0 for m in matches) def test_partial_match_above_threshold(self): """Test partial matches above threshold.""" text = "Laravel, Lara, and Laravell are similar words" matches = fuzzy_search("Laravel", text, threshold=0.8) assert len(matches) >= 1 assert any(m['word'] == 'laravel,' for m in matches) # Lara should not match with 0.8 threshold (too short) assert not any(m['word'] == 'lara,' for m in matches) def test_partial_match_with_lower_threshold(self): """Test partial matches with lower threshold.""" text = "Laravel, Lara, and Laravell are similar words" matches = fuzzy_search("Laravel", text, threshold=0.5) assert len(matches) >= 2 word_matches = [m['word'] for m in matches] assert 'lara,' in word_matches or 'lara' in word_matches def test_multi_word_query(self): """Test matching multi-word queries.""" text = "The Laravel framework is a PHP framework for building web applications" matches = fuzzy_search("Laravel framework", text) assert len(matches) > 0 assert matches[0]['score'] == 1.0 assert matches[0]['word'] == 'laravel framework' def test_multi_word_partial_match(self): """Test partial matching of multi-word queries.""" text = "Laravel is great and the Laravel ecosystem is vast" matches = fuzzy_search("Laravel ecosystem", text, threshold=0.7) assert len(matches) >= 1 assert any('laravel ecosystem' in m['word'] for m in matches) def test_context_extraction(self): """Test that context is properly extracted around matches.""" text = " ".join([f"word{i}" for i in range(30)]) text += " Laravel " + " ".join([f"word{i}" for i in range(30, 60)]) matches = fuzzy_search("Laravel", text) assert len(matches) == 1 context_words = matches[0]['context'].split() # Should have ~20 words of context (10 before + match + 10 after) assert 15 <= len(context_words) <= 25 assert 'laravel' in matches[0]['context'].lower() def test_position_calculation(self): """Test that position is correctly calculated.""" text = "Hello world Laravel framework" matches = fuzzy_search("Laravel", text) assert len(matches) == 1 # Position should be at the start of "Laravel" # "Hello " (6) + "world " (6) = 12 assert matches[0]['position'] == 12 def test_empty_inputs(self): """Test handling of empty query and text.""" # Empty query matches = fuzzy_search("", "Laravel is a PHP framework") assert len(matches) == 0 # Empty text matches = fuzzy_search("Laravel", "") assert len(matches) == 0 def test_query_longer_than_text(self): """Test when query is longer than the text.""" text = "PHP" matches = fuzzy_search("Laravel Framework", text) assert len(matches) == 0 def test_special_characters_in_query(self): """Test handling of special characters.""" text = "Use Laravel's blade.php templates" matches = fuzzy_search("blade.php", text) assert len(matches) > 0 assert any('blade.php' in m['word'] for m in matches) def test_sorting_by_score(self): """Test that results are sorted by score descending.""" text = "Laravel is great, Lara is short, Laravell is close" matches = fuzzy_search("Laravel", text, threshold=0.5) assert len(matches) >= 2 # Check that scores are in descending order scores = [m['score'] for m in matches] assert scores == sorted(scores, reverse=True) def test_unicode_handling(self): """Test handling of unicode characters.""" text = "Laravel é ótimo para desenvolvimento" matches = fuzzy_search("é", text) assert len(matches) > 0 assert matches[0]['word'] == 'é' def test_punctuation_handling(self): """Test handling of punctuation in text.""" text = "Laravel, PHP, and MySQL: the perfect stack!" matches = fuzzy_search("Laravel", text) assert len(matches) > 0 # Should match "Laravel," with comma assert any('laravel' in m['word'].lower() for m in matches) def test_threshold_boundary(self): """Test threshold boundary conditions.""" text = "Lara is almost Laravel" # Just below threshold - no match (Lara vs Laravel is ~0.77) matches = fuzzy_search("Laravel", text, threshold=0.8) assert not any(m['word'] == 'lara' for m in matches) # Just above threshold - should match matches = fuzzy_search("Laravel", text, threshold=0.7) assert any(m['word'] == 'lara' for m in matches) def test_duplicate_words(self): """Test handling of duplicate words in text.""" text = "Laravel Laravel Laravel is repeated" matches = fuzzy_search("Laravel", text) # Should find all three occurrences assert len(matches) == 3 assert all(m['score'] == 1.0 for m in matches) # Check positions are different positions = [m['position'] for m in matches] assert len(set(positions)) == 3 def test_performance_with_large_text(self): """Test performance doesn't degrade badly with large text.""" import time # Create a large text (10,000 words) text = " ".join([f"word{i}" for i in range(10000)]) text += " Laravel framework " text += " ".join([f"word{i}" for i in range(10000, 20000)]) start_time = time.time() matches = fuzzy_search("Laravel", text) end_time = time.time() assert len(matches) > 0 # Should complete in reasonable time (< 1 second) assert end_time - start_time < 1.0