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Add cli/contributing/changelog/archive: a CLI that trims CHANGELOG.md
to the last N entries (default 7) and writes every older release to
its own file under docs/changelog/ named <padded-semver>-<date>.md
(7.0.0 → 007.000.000-2026-05-08.md). The padded form makes a directory
listing already chronological, and the index in CHANGELOG.md is
rebuilt from the archive directory listing on every run, so it never
drifts away from what is on disk. The tool is idempotent and never
overwrites an existing archive file.
Run the migration once to split the 44-entry CHANGELOG.md into 7
inline entries plus 37 archived per-release files, with the index at
the bottom of CHANGELOG.md linking each archive in descending order.
Add docs/contributing/actions/release.md as the contributor-facing
release procedure (versioning, active window vs. archive, cutting a
release end-to-end, CI hand-off on tag push) and add a docs README
under docs/changelog/ that explains the archive directory layout and
filename schema. Cross-link release.md from pipeline.md and add
"releases" to the actions/ scope description.
Documentation cleanup pass on every page touched in the previous
mapping refactor:
- Remove "is the SPOT for X" / "Single Point of Truth" self-labels
across docs/contributing/, docs/agents/, and docs/changelog/. The
rule in documentation.md forbids self-declared SPOT status; status
is conferred by readers cross-linking, not by the page asserting
it. Rephrase to descriptive phrasing ("This page covers X",
"describes X", "lists X") throughout.
- Drop the orphaned docs/contributing/tools/actions.md duplicate
(101 lines paralleling tools/github/actions/workflows.md, with no
inbound links).
- Fix em-dashes used as thought breaks in dockerfile.md, origin.md,
agents/style.css.md, and suppression.md per documentation.md.
- Unwrap soft-wrapped sentences in iam/common.md, iam/ldap.md,
iam/oidc.md, image/origin.md, requirements.md, and dockerfile.md
so each logical line carries one full sentence.
Add a unit test for the archive CLI under
tests/unit/cli/contributing/changelog/archive/test_main.py covering
_pad_version, _split_into_entries, idempotency, dry-run, no-overwrite
of existing archives, and the multi-run index rebuild.
Quote `# noqa:` in CHANGELOG.md prose with backticks so the
noqa-only-ruff-codes lint does not parse "for" as a non-ruff code.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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1.3 KiB
Regression Guards 🛡️
This page covers regression-guard rules in tests. For general integration-test requirements and structure, see Integration Tests.
Rules 📏
- You MUST NOT add regression tests that only verify that code, YAML, Jinja, or other source text is still present.
- Tests that only assert that a file contains a string, task name, variable name, or template fragment are not allowed.
- If the only purpose of a test is to prevent removal of a specific code path, you SHOULD document that directly at the relevant code location with a short comment explaining why it must not be removed.
- Prefer behavior-based tests that verify the actual runtime effect of the protected code path.
Preferred Approach ✅
Instead of adding a text-presence regression test:
- Add a short comment at the sensitive code path.
- Explain what would break if that code were removed.
- Add or keep a behavior-level test only when the behavior can be verified meaningfully.
Examples 💡
- Good: a test that verifies a bootstrap path creates the expected runtime artifact or unblocks a dependent service.
- Bad: a test that only checks whether a task still contains
migrate:fresh. - Bad: a test that only checks whether a template still contains a specific lookup expression.