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fips/testing/node-test-groups/no-lock-holder.case
Johnathan Corgan 1ce3f578e4 Check the nextest node test groups against the source
The node-synthetic group is an allow-list of test modules, and an
allow-list goes stale the day the next socket test lands: the new module
runs beside the others and the first sign is a dropped handshake on a
loaded runner, far from the cause.

testing/check-node-test-groups.py recomputes the membership. It flags
every function under src/node/tests/ (and in src/testutil.rs) that uses a
socket primitive or calls a flagged function, to a fixpoint, so modules
that reach a socket only through a helper are caught. Module names come
from mod.rs's declarations. It then evaluates both profiles' overrides in
order, as nextest does, and fails when a test in a flagged module is not
in node-synthetic or a lock_large_network_test() holder is not in
node-large. It also checks the nextest pin in the workflows matches the
config.

It exits 2 rather than pass when it finds no test modules, no flagged
module, no lock holder, or a filter it cannot evaluate, so a moved
directory or a reformatted filter cannot pass vacuously. Uses that open no
socket are exempted one function and primitive at a time, each with its
reason, in testing/node-test-groups/exemptions.toml.

The fixtures beside it cover each way a test reaches a socket and each
check the guard makes; every case names the output it expects, so a case
that fails for the wrong reason fails the runner. Both run from local CI's
guards and from the ci-parity job.
2026-10-21 16:58:16 +00:00

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# No test takes the lock, as if it were renamed: node-large cannot be checked.
expect exit 2
expect CANNOT CHECK no test calls lock_large_network_test()
=== src/node/tests/mod.rs
// Fixture: socket modules but no lock holder, as if the lock were renamed.
mod helpers;
mod via_helper;