components

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1. #!/usr/bin/env python3
2. # tests/same-output-compare.py (components mission 002): compare two tests/same-output.mjs runs. Masks only what changes per run / per code hash: ?v= hashes, source positions
3. # (file.hl:L:C), the seed time, upload names (time-random), the hl-shell cache name. python3 compare.py A B [-v]
4. import os, re, sys, difflib
5. a, b = sys.argv[1], sys.argv[2]; v = '-v' in sys.argv
6. def mask(t):
7. t = re.sub(r'\?v=[0-9a-f]+', '?v=H', t)
8. t = re.sub(r'(\w[\w./-]*\.hl):\d+:\d+', r'\1:L:C', t)
9. t = re.sub(r'@\d+:\d+', '@L:C', t)
10. t = re.sub(r'hl-shell-[0-9a-f]+', 'hl-shell-H', t)
11. t = re.sub(r'/md-editor/files/\d+-[0-9a-f]+', '/md-editor/files/T-R', t)
12. t = re.sub(r'\b1[78]\d{11}\b', 'TIME', t)
13. t = re.sub(r'("version"|"build"|"seed"|"now")\s*:\s*"?[\w.-]+"?', r'\1:X', t)
14. return t
15. fa, fb = sorted(os.listdir(a)), sorted(os.listdir(b))
16. same = diff = 0
17. for f in sorted(set(fa) | set(fb)):
18. if f not in fa or f not in fb: print('ONLY IN', 'A' if f in fa else 'B', f); diff += 1; continue
19. x, y = mask(open(os.path.join(a, f), errors='replace').read()), mask(open(os.path.join(b, f), errors='replace').read())
20. if x == y: same += 1; continue
21. diff += 1; print('DIFF', f)
22. if v:
23. for l in list(difflib.unified_diff(re.split(r'(?<=[;,}>\n])', x), re.split(r'(?<=[;,}>\n])', y), lineterm='', n=0))[2:40]: print(' ', l[:300])
24. print(f'same {same}, different {diff}')