<feed xmlns='http://www.w3.org/2005/Atom'>
<title>rulesets/languages/python/claude/rules, branch main</title>
<subtitle>Claude Code skills, rules, and language bundles
</subtitle>
<id>https://git.cjennings.net/rulesets/atom?h=main</id>
<link rel='self' href='https://git.cjennings.net/rulesets/atom?h=main'/>
<link rel='alternate' type='text/html' href='https://git.cjennings.net/rulesets/'/>
<updated>2026-04-19T21:12:02+00:00</updated>
<entry>
<title>feat: adopt pairwise-tests (PICT combinatorial) + cross-reference from existing testing skills</title>
<updated>2026-04-19T21:12:02+00:00</updated>
<author>
<name>Craig Jennings</name>
<email>c@cjennings.net</email>
</author>
<published>2026-04-19T21:12:02+00:00</published>
<link rel='alternate' type='text/html' href='https://git.cjennings.net/rulesets/commit/?id=b11cfd66b185a253fecf10ad06080ae165f32a74'/>
<id>urn:sha1:b11cfd66b185a253fecf10ad06080ae165f32a74</id>
<content type='text'>
Forked verbatim from omkamal/pypict-claude-skill (MIT). LICENSE preserved.
Renamed from `pict-test-designer` to `pairwise-tests` — technique-first
naming so users invoking "pairwise" or "combinatorial" find it; PICT
remains the tool under the hood.

Bundle (skill-runtime only):
  pairwise-tests/SKILL.md                    (renamed, description rewritten)
  pairwise-tests/LICENSE                     (MIT, preserved)
  pairwise-tests/references/pict_syntax.md
  pairwise-tests/references/examples.md
  pairwise-tests/scripts/pict_helper.py      (Python CLI for model gen / output fmt)
  pairwise-tests/scripts/README.md

Upstream's repo-level docs (README, QUICKSTART, CONTRIBUTING, etc.) and
`examples/` dir (ATM + gearbox walkthroughs — useful as reading, not as
skill-runtime) omitted from the fork. Attribution footer added.

Cross-references so /add-tests naturally routes to /pairwise-tests when
warranted:

- add-tests/SKILL.md Phase 2 step 8: if a function in scope has 3+ parameters
  each taking multiple values, surface `/pairwise-tests` to the user before
  proposing normal category coverage. Default continues with /add-tests;
  user picks pairwise explicitly.
- claude-rules/testing.md: new "Combinatorial Coverage" section after the
  Normal/Boundary/Error categories. Explains when pairwise wins, when to
  skip (regulated / provably exhaustive contexts, ≤2 parameters, non-
  parametric testing), and points at /pairwise-tests.
- languages/python/claude/rules/python-testing.md: new "Pairwise /
  Combinatorial for Parameter-Heavy Functions" subsection under the
  parametrize guidance. Explains the pytest workflow: /pairwise-tests
  generates the matrix, paste into pytest parametrize block, or use
  pypict helper directly.

Mechanism note: cross-references are judgment-based — Claude reads the
nudges in add-tests/testing/python-testing and acts on them when appropriate,
not automatic dispatch. Craig can still invoke /pairwise-tests directly when
he already knows he wants combinatorial coverage.

Makefile SKILLS extended; make install symlinks /pairwise-tests globally.
</content>
</entry>
<entry>
<title>refactor: generalize testing.md, split Python specifics, DRY install</title>
<updated>2026-04-19T17:36:04+00:00</updated>
<author>
<name>Craig Jennings</name>
<email>c@cjennings.net</email>
</author>
<published>2026-04-19T17:36:04+00:00</published>
<link rel='alternate' type='text/html' href='https://git.cjennings.net/rulesets/commit/?id=019db5f9677902ba02d703a8554667d1b6e88f6b'/>
<id>urn:sha1:019db5f9677902ba02d703a8554667d1b6e88f6b</id>
<content type='text'>
claude-rules/testing.md is now language-agnostic (TDD principles, test
categories, coverage targets, anti-patterns). Scope header widened to
**/*. Python-specific content (pytest, fixtures, parametrize, anyio,
Django DB testing) moved to languages/python/claude/rules/python-testing.md.

Added languages/python/ bundle (rules only so far; no CLAUDE.md template
or hooks yet — Python validation tooling differs from Elisp). Added
install-python shortcut to the Makefile.

Updated scripts/install-lang.sh to copy claude-rules/*.md into each
target project's .claude/rules/. Bundles no longer need to carry their
own verification.md copy — deleted languages/elisp/claude/rules/verification.md.
Single source of truth in claude-rules/, fans out via install.

Elisp-testing.md now references testing.md as its base (matches the
python-testing.md pattern).
</content>
</entry>
</feed>
