Demo Test Suite

Demo Test Suite

The demo/ directory contains 14 progressively complex test files that showcase all detection capabilities:

#	File	Clone Type	Lines	Score
01	01_exact_clones.py	Type-1 (exact)	3	1.000
02	02_renamed_clones.py	Type-2 (renamed)	6	0.786
03	03_modified_clones.py	Type-3 (modified)	6-9	0.620
04	04_class_duplicates.py	Class + method	13-16	0.767
05	05_method_duplicates.py	Cross-class methods	10	1.000
06	06_large_clones.py	Large functions (15 lines)	15	1.000
07	07_async_decorators.py	Async, decorators, match	5-12	0.762-1.000
08	08_realworld_billing.py	Production code	12-29	0.573-0.602
09	09_realworld_validation.py	Validation logic	14	0.835
10	10_nested_blocks.py	Nested fns, comprehensions	9-12	1.000
11	11_mixed_duplicates.py	Dupes + unique code	6	0.971
12	12_edge_cases.py	Tiny functions (1-2 lines)	1-2	(below threshold)
13	13_unique_code.py	No duplicates	—	(none expected)
14	14_big_compare.py	Large-scale (50+ lines)	17-37	0.680-1.000

Run the Demo

# Comprehensive scan
pychase --threshold 0.55 --min-lines 2 --min-nodes 10 demo/

# Default scan
pychase --threshold 0.7 demo/

# HTML report
pychase --format html --output demo_report.html demo/

Sample Results (threshold 0.55)

PyChase found 24 duplicate groups (29 pairs) across 69 units

DUPLICATE score=1.000
  demo/01_exact_clones.py:3-5 greet_english
  demo/01_exact_clones.py:8-10 greet_spanish

DUPLICATE score=0.971
  demo/11_mixed_duplicates.py:37-42 fetch_and_cache
  demo/11_mixed_duplicates.py:45-50 compute_and_cache

DUPLICATE score=0.952
  demo/14_big_compare.py:9-27 generate_monthly_report_standard
  demo/14_big_compare.py:30-48 generate_weekly_report_standard