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Test/harden tests against mutation survivors - #10

Merged

Squazz merged 46 commits into

mainfrom

test/harden-tests-against-mutation-survivors

Oct 21, 2026

Merged

Test/harden tests against mutation survivors#10
Squazz merged 46 commits into
mainfrom
test/harden-tests-against-mutation-survivors

Commits on Oct 19, 2026
- Apply ruff format
  
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- Apply ruff's safe autofixes (import sorting, unused imports)
  
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- Isolate tests from env vars, the clock and temp-dir leaks (task 12)
  
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- Pin ratio-gate boundaries and bypass branches (task 10)
  
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- Test get_previous_ratios in-process (task 11)
  
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- Make bdecode reject truncated and malformed input (task 13)
  
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- Kill remaining ratio-gate and bdecode survivors from mutmut re-run
  
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- Simplify get_previous_ratios segment selection
  
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- Document mutation testing and how to handle surviving mutants
  
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- Pin cleanup-planner boundaries and skip ordering (task 14)
  
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- Gate CI on ruff, ruff format and mypy (task 15)
  
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- Add coverage and mutmut tooling (task 16)
  
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- Test configure_transmission.main end to end (task 25)
  
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- Characterize the daily run via runpy (task 17)
  
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- Recognise lubuntu and xubuntu torrents as Ubuntu
  
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- Extract run(), configure_logging() and load_config() (tasks 18, 19)
  
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- Close torrent_scrape parser gaps found by mutmut (task 24)
  
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- Check Transmission doubles against the real library (task 20)
  
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- Smoke-test the image and run the suite inside it before pushing (task 22)
  
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- Replay recorded upstream pages in scraper contract tests (task 21)
  
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- Add a weekly live drift check (task 23)
  
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- Split test_fetch_torrents.py by concern (task 26, part 1)
  
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- Copy scripts/ into the Dockerfile test stage
  
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- Tighten weak assertions and share one persistence contract (task 26, part 2)
  
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- Record the new test-health baseline and ratchet coverage (task 27)
  
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- Make FakeDisk honour delete_data and pin the cleanup safety valves
  
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- Test the old-release check sociably instead of mocking its internals
  
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- Pin the daily run's counters, timing, disk report and RPC credentials
  
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- Test where log records actually go, and the always-log prefix contract
  
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- Add round-2 test-health tasks (28-38) and record the new baseline
  
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- Write watch-dir .torrent files atomically (task 32)
  
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- Inject the RPC wait's connect, clock and sleep; test it (task 28)
  
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- Inject live_check's network and test every check and exit code (task 30)
  
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- Pin scrape_torrent's fall-through paths and SSRF edges (task 33)
  
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- Harden the toolchain: fetch-run smoke check, shellcheck, hadolint, ruff S, pins (task 37)
  
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- Kill the remaining fetch_torrents mutation survivors (task 36)
  
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- Inject the UDP transaction id; assert both payloads on the wire (task 29)
  
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- configure_transmission: hermetic default path, boundaries, whole results (task 31)
  
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- Tidy the test suite: literal oracles, no CPython wording, misfiled tests (task 34)
  
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- Consolidate fixtures; FETCH_TORRENTS_WATCH_DIR; one credential rule (task 35)
  
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- Kill the survivors the re-measure found; raise the coverage ratchet to 97
  
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- Record the round-2 baseline (task 38)
  
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- Fix ruff EXE001 on CI: mark scripts executable, drop module shebang
  
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- Test that shebang files are executable in git; fix entrypoint.sh
  
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- Adding more tasks
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- Add task 51: guard the old-release step in the daily run
  
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Commits

Commits on Oct 19, 2026