ZDDC
cff840e225
Four targeted test suites that pin the invariants exercised by the
preceding audit refactor. Closes the coverage gaps identified after the
admin-decider consolidation and the .zddc write-path fix.
internal/policy/principal_test.go (NEW)
TestAllowActionFromChainP_TruthTable — 11 cases × 5 actions = 55
assertions covering every (elevated × admin-at-level × action)
combination. Pins the IsActiveAdmin short-circuit: bypass requires
BOTH (in admins) AND Elevated; elevation alone confers nothing;
empty email never matches.
TestAllowActionFromChainP_AdminScopeDepth — root admin reaches every
path; subtree admin matches in their own subtree; subtree admin
does NOT match in a sibling subtree (the chain doesn't carry
sibling admins lists).
TestAllowActionFromChainP_BypassWinsOverWorm — elevated admin
escape hatch in WORM zones, plus the negative control that an
un-elevated admin does NOT bypass WORM.
internal/handler/auth_invariants_test.go (appended)
TestInvariant_ZddcPutMatrix — 16 sub-cases across (root / project /
subtree .zddc) × (root admin / subtree admin / non-admin /
anonymous) × (elevated / un-elevated). Locks down which principal
can PUT which .zddc.
TestInvariant_ZddcDeleteMatrix — 5 DELETE cases.
TestInvariant_UnelevatedAdminNoSilentBypass — 14 anti-bypass probes:
every (admin-flavour × probe-path) tuple where an un-elevated
admin must 403. Single bypass leak → loud test failure.
cmd/zddc-server/main_test.go (appended)
TestDispatchZddcWriteRouting — full dispatcher path coverage:
GET/HEAD route to ServeZddcFile (YAML or virtual placeholder);
PUT/DELETE route through the .zddc-leaf carve-out into
ServeFileAPI; intermediate .zddc.d/ segments still 404 at the
guard.
internal/handler/middleware_test.go (appended)
TestAccessLog_ChainAdminLevelAttribution — 7 cases pinning the
forensic record: root admin → chain_admin_level=0, subtree admin
in scope → chain_admin_level=N, subtree admin out of scope → -1,
un-elevated admin → -1, non-admin → -1, anonymous → -1.
Cross-checks active_admin == (chain_admin_level >= 0) so a future
refactor can't desync them.
92 new sub-cases total. Coverage delta on the policy package:
76.1% → 87.2%; AllowActionFromChainP 0% → 100%;
activeAdminForRequest 7% → 68%.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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