Borda Test Impact
Find the minimum static-analysis test set for one changed function or module; do not run tests. Output a ready-to-run pytest command.
- Function (
module::symbol): BFS reverse calls, direct/transitive tests, plusmock_patches. - Module (bare
module): BFS reverse imports, plus mocks of any module symbol.
not_covered includes dynamic dispatch, hooks, and string dispatch, as with fn-blast; surface it, never silently omit it.
NOT for: all function callers (use $codemap-py:query-code fn-rdeps <module::symbol> --exclude-tests); module deps/blast radius (use $codemap-py:query-code); test execution.
Runtime note
Codex has no bin/ PATH entry or plugin-root variable. Resolve its installed root once, substitute PLUGIN_ROOT, and retain it in reasoning; shell state does not persist.
Inputs
<qname> [--no-mocks]: qname is module::symbol or a bare dotted module; --no-mocks removes mock-only tests. If omitted, ask which changed: (a) module::symbol, (b) bare module, or (c) cancel; wait. Use the first non-flag token only. If tokens remain after --no-mocks, warn that one symbol is accepted per invocation and each remainder needs another invocation.
Workflow
1. Query (and build only when allowed)
PLUGIN_ROOT/bin/codemap-py query test-impact "<qname>" [--no-mocks]
If index missing and SCAN_NO_AUTOBUILD=1, report codemap index missing and SCAN_NO_AUTOBUILD=1 — refusing to auto-build. Build it manually first: $codemap-py:scan-codebase and stop. Otherwise run PLUGIN_ROOT/bin/codemap-py index --incremental in the foreground, then retry once.
2. Parse
Read JSON from CLI stdout; do not assume its first line is JSON because logs can surround it. Use test_files, pytest_cmd, via_call, via_mock, index.not_covered, and index.hint.
3. Output
For total == 0, report: "No tests found via static analysis. Try the full suite or search for the symbol name directly under tests/."
For total > 0, print:
## Test impact: <qname>
**Affected tests** (<total> files, <via_call> via call/import graph, <via_mock> via mocks):
<test_files as bullet list>
**Run:**
<pytest_cmd>
**Caveat:** dynamic-dispatch / hook-callback callers are not in the static graph — <hint>.
Include Caveat only for non-empty not_covered. With total >= 5, write the same content to .reports/codex/codemap-py/test-impact-<branch>-<YYYY-MM-DD>.md and print it. <branch> is git branch --show-current | tr '/' '-' (main if empty/detached). Never overwrite: append -2, -3, … until free.