Extend interrogate docstring coverage beyond the production package (#247) - #249
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SummaryExtend
WalkthroughThe lint workflow now enforces 100% Interrogate coverage for ChangesDocstring coverage enforcement
Suggested labels: Poem
Merge Risk: 🟡 Moderate · up to The production docstring gate is unintentionally relaxed and the documented policy does not match enforcement. Scope the exemptions and correct the ADR before merge. Caution Pre-merge checks failedPlease resolve all errors before merging. Addressing warnings is optional.
❌ Failed checks (2 errors, 2 warnings)
✅ Passed checks (11 passed)
Full details: Out of Scope Changes checkExplanation Remove the stale-lockfile snapshot redaction change from this PR or link an issue that authorizes it. Issue Full details: Testing (Overall)Explanation Add a substantive guard for the new lint behaviour. The pull request changes Resolution Add an executable workflow-contract test for the lint target. Run the target with isolated fake tool commands or an equivalent controlled harness, capture the Full details: Developer DocumentationExplanation The developer guide clearly documents the new two-pass Resolution Preserve the accepted body of ADR-003 and record the new Full details: Testing (Unit And Behavioural)Explanation Add an automated test at the Resolution Add a workflow-contract or end-to-end test that exercises Comment |
Reviewer's GuideThe PR expands Flow diagram for expanded docstring lint coverageflowchart LR
Lint[make lint] --> Prod[Interrogate lading]
Lint --> Tests[Interrogate tests and scripts]
Tests --> Rules[Structural exemptions]
Rules --> NestedFunctions[Nested functions ignored]
Rules --> NestedClasses[Nested classes ignored]
Tests --> Coverage[100 percent coverage required]
Coverage --> Remaining[Module-level and measured definitions documented]
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Run a second interrogate pass with --fail-under 100 over tests and scripts so the 100% coverage rule no longer stops at the production package. Configure --ignore-nested-functions and --ignore-nested-classes in pyproject.toml so the exclusion follows the shape of the code rather than an ad hoc ignore list: nested defs and classes in tests are stubs, closures, and fixture doubles whose documentation duty belongs to the enclosing test or helper, which already carries a descriptive name. Document the 32 definitions that survive triage — module-level test helpers, recording doubles, protocol and case classes, and the test_cargo_shim suite whose bare public tests previously relied on a file-level ruff ignore. Validated with make check-fmt, make test, make typecheck, and make lint.
Update ADR-003 and the developers' guide to describe the second interrogate pass over tests and scripts, the shape-based nested definition exemptions, and the rationale for leaving those closures and stub classes undocumented: their enclosing test or helper already carries the descriptive name, and restating it would dilute the signal that meaningful documentation provides. Validated with make markdownlint, make spelling, and make lint.
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| ignore-nested-functions = true | ||
| ignore-nested-classes = true |
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These project-wide Interrogate settings also apply to the interrogate --fail-under 100 lading command in the Makefile, so an undocumented nested production helper or class will now pass the previously strict production-package gate. This is not merely hypothetical scope: production contains nested helpers such as prepare_workspace._cleanup in lading/commands/publish.py. Pass these exemptions only to the tests scripts invocation, or use a separate configuration, so test closures remain exempt without weakening production documentation enforcement.
AGENTS.md reference: AGENTS.md:L21-L25
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🧩 Analysis chain
🏁 Script executed:
#!/bin/bash
set -euo pipefail
printf '%s\n' '== Current commit =='
git rev-parse HEAD
printf '%s\n' '== Makefile Interrogate invocations =='
rg -n -C 4 '(^|[[:space:]])interrogate([[:space:]]|$)' Makefile || true
printf '%s\n' '== Interrogate configuration =='
rg -n -A 12 -B 2 '^\[tool\.interrogate\]' pyproject.toml
printf '%s\n' '== Production nesting map: lading/commands/publish.py =='
ast-grep outline lading/commands/publish.py --items all --type function,class
printf '%s\n' '== Nested definitions in production package =='
ast-grep run --lang python --pattern $'def $OUTER($$$):\n $$$\n def $INNER($$$):\n $$$\n $$$' lading || true
ast-grep run --lang python --pattern $'class $OUTER($$$):\n $$$\n class $INNER($$$):\n $$$\n $$$' lading || trueLength of output: 4026
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' <<<"$response"Length of output: 1242
@leynos, the finding is resolved in commit 9e81f16086de25b5aa923ab1c4c931f258c816b1.
Makefile keeps the lading Interrogate gate strict. It applies nested-definition exemptions only to tests scripts. The global [tool.interrogate] configuration no longer contains these exemptions.
Do not run further implementation work.
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Actionable comments posted: 2
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Inline comments:
In `@docs/adr/003-three-tier-python-linting.md`:
- Line 66: Update the ADR wording to accurately reflect the
ignore-nested-classes configuration: replace “class bodies at any level” with
“non-nested class bodies” in the statement about fully gated definitions and
class bodies. Do not change the configuration.
In `@pyproject.toml`:
- Around line 283-284: Remove the global ignore-nested-functions and
ignore-nested-classes settings from the Interrogate configuration, then add both
flags only to the interrogate invocation for tests scripts in the Makefile;
leave the lading command unaffected.
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📒 Files selected for processing (23)
Makefiledocs/adr/003-three-tier-python-linting.mddocs/developers-guide.mdpyproject.tomltests/bdd/steps/test_common_steps.pytests/bdd/steps/test_publish_infrastructure.pytests/e2e/helpers/e2e_steps_helpers.pytests/e2e/helpers/git_helpers.pytests/integration/test_cargo_shim_cli.pytests/unit/publish/test_crate_timing.pytests/unit/publish/test_packaging.pytests/unit/publish/test_preflight_arguments.pytests/unit/publish/test_publish_execution_helpers.pytests/unit/publish/test_publish_manifest_strategies.pytests/unit/publish/test_sccache_ledger_properties.pytests/unit/publish/test_sccache_stats.pytests/unit/publish/test_snapshot_messages.pytests/unit/test_bump_lockfile_manifest_merge.pytests/unit/test_bump_lockfile_repository.pytests/unit/test_bump_lockfiles.pytests/unit/test_cargo_shim.pytests/unit/test_config.pytests/unit/test_publish_patch_strategy.py
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Move the shape-based nested-definition exemptions out of the project-wide [tool.interrogate] config and onto the tests/scripts invocation's command line in the Makefile, so the production lading pass keeps enforcing docstrings on nested definitions such as prepare_workspace._cleanup. Add tests/workflow_contracts/test_lint_target.py to pin the two-pass contract at the Makefile boundary via make -n lint expansion: two absolute 100% passes, exemptions only on the tests/scripts invocation, and no nested-definition exemptions in pyproject.toml. Update ADR-003 with a dated 2026-09-07 addendum covering the tests and scripts policy, correct the Consequences wording on nested class bodies, and align the developers' guide with the command-line scoping. Validated with make check-fmt, make test (855 passed), make typecheck, make lint, docs markdownlint, and make spelling.
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The lody session tooling writes a memories/ progress artifact into the worktree. It is agent bookkeeping, not project content, so exclude it alongside the other agent-tooling directories (.vtcode/, .claude/, .memdb/).
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@coderabbitai Have the following failed checks now been resolved? If further work is required, please provide an AI agent prompt for the remaining work to be done to address these failures. Do not treat warnings as optional or aspirational. Where a change is out of scope for this PR, propose a GitHub issue unless one exists already. (Treat o11y, code safety, documentation and validation coverage as in scope). ❌ Failed checks (2 errors, 1 warning)
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Tip For best results, initiate chat on the files or code changes. 🧩 Analysis chain🏁 Script executed: #!/bin/bash
set -euo pipefail
echo '=== PR metadata and checks ==='
gh pr view 249 --repo leynos/lading --json number,url,headRefName,baseRefName,statusCheckRollup,files --jq '{
number, url, headRefName, baseRefName,
checks: [.statusCheckRollup[] | {name, conclusion, status}],
files: [.files[].path]
}'
echo '=== Issue 247 ==='
gh issue view 247 --repo leynos/lading --json number,url,state,title,body
echo '=== Changed-file summary ==='
git diff --stat origin/HEAD...HEAD || git diff --stat HEAD~1..HEAD
echo '=== Makefile outline and lint-relevant content ==='
ast-grep outline Makefile --items all 2>/dev/null || true
rg -n -C 6 '(^lint:|interrogate|fail-under|ignore-nested)' Makefile pyproject.toml
echo '=== Documentation sections ==='
rg -n -C 10 '(Interrogate|interrogate|addendum|Addendum|ADR-003|tests|scripts)' \
docs/adr/003-three-tier-python-linting.md docs/developers-guide.md
echo '=== Test harness candidates and changed tests ==='
fd -t f . tests scripts | sort
rg -n -i -C 4 '(make lint|interrogate|workflow.contract|subprocess.*make|Popen.*make)' tests scripts Makefile pyproject.toml || true
echo '=== Current PR diff for target files ==='
git diff --unified=40 origin/HEAD...HEAD -- \
Makefile pyproject.toml docs/adr/003-three-tier-python-linting.md docs/developers-guide.md tests \
|| git diff --unified=40 HEAD~1..HEAD -- \
Makefile pyproject.toml docs/adr/003-three-tier-python-linting.md docs/developers-guide.md testsLength of output: 5466 🏁 Script executed: #!/bin/bash
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ast-grep outline tests/workflow_contracts/test_lint_target.py --items all --view expanded 2>/dev/null || true
cat -n tests/workflow_contracts/test_lint_target.py
echo '=== Current documentation ==='
cat -n docs/adr/003-three-tier-python-linting.md
printf '\n=== Developer guide: Interrogate section ===\n'
rg -n -C 12 '(Interrogate|interrogate|ADR-003|tests|scripts)' docs/developers-guide.md
echo '=== PR patch: test and documentation files ==='
gh api repos/leynos/lading/pulls/249/files --paginate \
--jq '.[] | select(.filename == "tests/workflow_contracts/test_lint_target.py" or .filename == "docs/adr/003-three-tier-python-linting.md" or .filename == "docs/developers-guide.md" or .filename == "Makefile" or .filename == "pyproject.toml") | "=== \(.filename) ===\n\(.patch // "[patch unavailable]")"'
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Resolve the two testing errors.
The Do not resolve the Developer Documentation warning yet. The PR adds the required dated addendum, but it also modifies accepted ADR-003 text in the Use this AI agent prompt: You are interacting with an AI system. |
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Summary
Closes #247
make lintnow enforces 100% interrogate docstring coverage overtestsandscriptsin addition to the existing gate over theladingproductionpackage. Both passes keep
--fail-under 100, so the threshold stays absoluterather than drifting on a percentage.
Approach
The 155 measured gaps were triaged by shape rather than by an ad hoc ignore
list:
classes (124 of 155) are test closures and fixture doubles whose docstrings
would only restate the enclosing test.
--ignore-nested-functionsand--ignore-nested-classesinpyproject.tomlexclude them by structure,which is deliberate and documented: the enclosing test or helper already
carries the descriptive name.
protocol and case classes — are documented with concise one-line docstrings
per the private-helper convention. The
test_cargo_shim.pysuite also dropsits file-level Ruff suppression comment, since its bare public tests now
carry real docstrings.
Documentation
ADR-003 and the developers' guide record the decision, including the
rationale for deliberately leaving nested definitions exempt.
Related
Raised alongside equivalent issues for
femtologging,cuprum, andepisodic. This change follows the shape-based exemption pattern: nesteddefinitions are excluded by structure, not by a per-file ignore list, so the
same rule ports directly to the other estates.
Also fixes a latent CI failure inherited from #220: the new
ambrleaksgateflagged the synthetic
/wspaths embedded in the stale-lockfile snapshots.Those fixtures now use syrupy's documented
<tmp-file-path>redactionplaceholder.
Validation
make check-fmtmake test(775 passed)make typecheckmake lint(Ruff, both interrogate passes, PyPy Pylint, df12 Pylint, ambrleaks)make markdownlintmake spellingReferences
Summary by Sourcery
Enforce complete meaningful docstring coverage across production code, tests, and scripts while preserving deliberate exemptions for nested test definitions.
New Features:
testsandscriptsscopes while structurally exempting nested test definitions.Bug Fixes:
Enhancements:
Build:
make lintto run a second absolute-threshold Interrogate pass overtestsandscripts.Documentation:
Tests: