I claimed ENGINE_SMOKES was the single home for "which smokes are
engine-sensitive". It was not: npm run smoke still hard-coded the same
three, so a fourth entry would have reached the Firefox and on-demand runs
and silently skipped the DEFAULT Chromium run -- which is the one GitHub
CI executes. The exact drift the list was introduced to remove, left in
the one tier that matters most.
npm run smoke now ends in smoke:web:chromium, which goes through the
runner like the other two tiers.
Two things fall out of that:
- The Chromium tier passes its engine as a literal argument, so an
ambient SMOKE_BROWSER can no longer redirect it. Without that,
SMOKE_BROWSER=firefox npm run ci would have run Firefox twice and never
exercised Chromium at all -- a gate silently testing something other
than what it claims.
- run-engine-smokes.test.mjs now asserts that no tier names an individual
smoke, that both gated tiers name their engine explicitly, and that the
on-demand entry point is the one that follows the environment. This is
the durable half: a tier running fewer smokes is invisible at runtime,
because it still passes. Mutation-verified -- restoring the old hard-
coded chain fails the test.
Docs updated to state the wider claim rather than the one that was true
of only two tiers.
Addresses the suppressed comment on Copilot review 5026921914 of #2133.
Signed-off-by: cliffhall <cliff@futurescale.com>
1cebe71761