verify_filters.py

#!/usr/bin/env python3
"""
Simple verification script for the new filter functionality
"""

# Just test basic functionality without creating a GUI
def test_filter_options():
    # Basic text matching logic test (isolated from GUI)
    def text_matches(text, pattern, match_case=False, match_whole_word=False, use_regex=False):
        """Standalone version of the text matching logic"""
        import re
        
        if not text or not pattern:
            return not pattern  # If pattern is empty, match everything
        
        try:
            if use_regex:
                # Use regular expression matching
                flags = 0 if match_case else re.IGNORECASE
                
                if match_whole_word:
                    # Add word boundaries for whole word matching
                    pattern = r'\b' + pattern + r'\b'
                
                return bool(re.search(pattern, text, flags))
            else:
                # Use simple text matching
                search_text = text if match_case else text.lower()
                search_pattern = pattern if match_case else pattern.lower()
                
                if match_whole_word:
                    # Split text into words and check for exact matches
                    words = re.findall(r'\b\w+\b', search_text)
                    return search_pattern in words
                else:
                    # Simple substring matching
                    return search_pattern in search_text
        except re.error:
            # If regex is invalid, fall back to simple substring matching
            search_text = text if match_case else text.lower()
            search_pattern = pattern if match_case else pattern.lower()
            return search_pattern in search_text
    
    # Test cases
    test_cases = [
        ("Hello World", "hello", False, False, False, True),   # case insensitive
        ("Hello World", "Hello", True, False, False, True),    # case sensitive
        ("Hello World", "hello", True, False, False, False),   # case sensitive fail
        ("Hello World", "ell", False, True, False, False),     # whole word fail
        ("Hello World", "hello", False, True, False, True),    # whole word success
        ("Hello World", "h.*o", False, False, True, True),     # regex success
        ("Hello World", "^world", False, False, True, False),  # regex fail
        ("", "", False, False, False, True),                   # empty pattern matches empty text
        ("Hello", "", False, False, False, True),              # empty pattern matches any text
        ("", "hello", False, False, False, False),             # non-empty pattern doesn't match empty text
    ]
    
    print("Testing filter options...")
    all_passed = True
    
    for i, (text, pattern, match_case, match_whole_word, use_regex, expected) in enumerate(test_cases):
        result = text_matches(text, pattern, match_case, match_whole_word, use_regex)
        status = "PASS" if result == expected else "FAIL"
        if result != expected:
            all_passed = False
        print(f"Test {i+1}: {status} - text='{text}', pattern='{pattern}', case={match_case}, whole={match_whole_word}, regex={use_regex}, expected={expected}, got={result}")
    
    print(f"\nOverall result: {'All tests passed!' if all_passed else 'Some tests failed.'}")
    return all_passed

if __name__ == "__main__":
    success = test_filter_options()
    print(f"\nFilter functionality verification: {'SUCCESS' if success else 'FAILED'}")