Last 2 of the 6 surfaced drift-cohort failures. Diagnoses below.
quarantine_provider_test 'flag keeps drift optimistic + queues
mutation on server failure':
MyQuarantineController.build() schedules unawaited _refreshFromServer()
which reads connectivityProvider (a StreamProvider<bool>). In tests
without an override, that stream never emits — its real impl listens
to connectivity_plus's platform channel which has no fixture in
flutter test. The success-path quarantine tests resolve their main
flow before _refreshFromServer's chain reaches the connectivity read,
so they don't trip the "disposed during loading" guard at tearDown.
The throwing-API variant's `await ref.read(mutationQueueProvider)
.enqueue(...)` advances enough async work that the connectivity read
IS reached, then container.dispose() trips Riverpod's invariant.
Fix: override connectivityProvider in the shared _container helper
with `Stream.value(true)` so it resolves immediately. The previous
`await Future.delayed(Duration.zero)` workaround is removed — the
cleaner fix makes that band-aid unnecessary.
like_button_test 'tap toggles icon optimistically; rollback on error':
LikesController.toggle:
final user = _ref.read(authControllerProvider).value;
if (user == null) return;
The test only overrode `likesApiProvider`; authControllerProvider was
in AsyncLoading state at toggle() time → user was null → early return
→ no drift write → likedIdsProvider never emits "liked" → heart never
fills → assertion fails. The test would never have passed against the
current controller; it was a stale survivor of an older API.
Fix: stub authControllerProvider with _FakeAuthController that yields
User(id: 'u1', …) immediately. Also add overrides for appDbProvider
(NativeDatabase.memory, bypasses drift_flutter's Timer) and
connectivityProvider (Stream.value(true), unblocks cacheFirst's
isOnline check) — both are transitive dependencies of
likedIdsProvider's cacheFirst.
After this push, the full drift cohort should be all-green. Fable #399
/ local #62 closes when CI lands.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
bvandeusen
83a7099db3