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brainy/tests/integration
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David Snelling 3b8fa51161 fix: transact durability barrier — committed transactions are durable on return 
A committed transact() reported success while its canonical entity writes were
still only in the OS page cache (tmp+rename, not fsync'd), even though the
generation counter and manifest were fsync'd. A hard kill in that window could
leave the durable counter ahead of the persisted entity bytes — phantom
progress for any generation-based consumer resuming from the counter. Reported
from a downstream migration's crash-lifecycle forensics.

Add an optional transaction durability barrier to GenerationStorage
(beginWriteBarrier / flushWriteBarrier). FileSystemStorage implements it:
writeObjectToPath records each successful canonical write and
deleteObjectFromPath records each delete's parent dir, between begin and flush;
flush fsyncs every recorded write (contents + rename dir entries, via
syncRawObjects) and the parent dir of every delete. commitTransaction opens the
barrier before running the planned operations and flushes it after, BEFORE
persisting the counter and manifest — so the batch's entire canonical footprint
is durable before the generation stamp advances. The barrier is optional: the
generation store calls it through optional chaining, so in-memory and
durable-per-call (cloud object-PUT) adapters treat it as a no-op.

The single-op group-commit path is unchanged (deferred durability is the
Model-B design that avoids a 3-5x per-write fsync regression), but its
durability contract is now documented explicitly on commitSingleOp: transact =
durable on return; single-op = durable at the next flush()/close(), with the
counter buffered alongside the data so a crash loses both together (never a
torn counter-ahead-of-state store).

Regression (tests/integration/transact-durability-barrier.test.ts): the entity
writes fsync in an earlier syncRawObjects batch than the manifest for single-op
and multi-op (add+relate) transactions; a precommit-rejected batch opens no
barrier and advances nothing; MemoryStorage exposes no barrier (optional-chain
no-op).
2026-07-12 08:54:14 -07:00
..
advanced-apis-regression.test.ts feat(8.0)!: flip requireSubtype default to true (BRAINY-8.0-SUBTYPE-CONTRACT § C-1) 2026-06-09 14:58:25 -07:00
aggregation-delete.test.ts feat(8.0): id-normalization (#18) + aggregation min/max delete-safety + RC-safe release 2026-06-20 14:46:40 -07:00
aggregation.test.ts chore(8.0): final pre-RC1 sweep — API consistency, named errors, orphans, zero-cast codebase 2026-06-11 14:51:00 -07:00
all-apis-comprehensive.test.ts feat(8.0): API simplification — remove neural()/Db.search, one storage path key, integration→0 2026-06-20 13:31:11 -07:00
api-parameter-validation.test.ts feat(8.0)!: flip requireSubtype default to true (BRAINY-8.0-SUBTYPE-CONTRACT § C-1) 2026-06-09 14:58:25 -07:00
batchImportWithRelations.test.ts feat(8.0): reserved-field enforcement — reservedFieldPolicy defaults to throw 2026-06-20 15:37:21 -07:00
brainy-complete.integration.test.ts test(8.0): integration rot pass — 77→17 failures (parallel per-file hardening) 2026-06-17 13:11:41 -07:00
brainy-core.integration.test.ts test(8.0): integration rot pass — 77→17 failures (parallel per-file hardening) 2026-06-17 13:11:41 -07:00
brainy-phase1c-integration.test.ts feat(8.0): API simplification — remove neural()/Db.search, one storage path key, integration→0 2026-06-20 13:31:11 -07:00
bun-runtime-test.ts chore(8.0): modernize toolchain + position Bun as a runtime 2026-07-01 09:16:46 -07:00
clear-persistence.test.ts feat(8.0): API simplification — remove neural()/Db.search, one storage path key, integration→0 2026-06-20 13:31:11 -07:00
clear-vfs.test.ts docs(8.0): consistency-model concept + snapshots guide — Db API replaces branching docs 2026-06-11 08:37:26 -07:00
cold-graph-connected-8.0.test.ts fix(8.0): never serve a silent [] from find({connected}) on a cold-loaded graph 2026-06-30 09:30:11 -07:00
cortex-compat.test.ts feat(8.0)!: flip requireSubtype default to true (BRAINY-8.0-SUBTYPE-CONTRACT § C-1) 2026-06-09 14:58:25 -07:00
count-synchronization.test.ts test(8.0): close brains in afterEach (count-sync, get-relations teardown) 2026-06-16 13:18:14 -07:00
db-asof-vector-defer.test.ts feat(8.0): #35 part-3 — supply at-gen candidate vectors for the native exact-rerank 2026-06-23 16:50:41 -07:00
db-mvcc.test.ts fix(8.0): restore() reloads a native entity-id mapper before graphIndex.rebuild() 2026-06-23 12:02:17 -07:00
db-temporal.test.ts refactor(8.0): API-surface + quality polish from the readiness audit 2026-06-29 10:04:19 -07:00
entity-confidence-weight.test.ts feat(8.0)!: flip requireSubtype default to true (BRAINY-8.0-SUBTYPE-CONTRACT § C-1) 2026-06-09 14:58:25 -07:00
find-limits.test.ts feat(8.0)!: flip requireSubtype default to true (BRAINY-8.0-SUBTYPE-CONTRACT § C-1) 2026-06-09 14:58:25 -07:00
find-triple-composition.test.ts test(8.0): asOf() error-path spot-checks + find() triple-composition correctness + scale-bench harness 2026-06-15 11:55:26 -07:00
find-unified-integration.test.ts feat(8.0): id-normalization (#18) + aggregation min/max delete-safety + RC-safe release 2026-06-20 14:46:40 -07:00
find-where-zero.test.ts feat(8.0): API simplification — remove neural()/Db.search, one storage path key, integration→0 2026-06-20 13:31:11 -07:00
get-relations-fix.test.ts test(8.0): close brains in afterEach (count-sync, get-relations teardown) 2026-06-16 13:18:14 -07:00
graphIndex-pagination.test.ts chore(8.0): final pre-RC1 sweep — API consistency, named errors, orphans, zero-cast codebase 2026-06-11 14:51:00 -07:00
hnsw-rebuild.test.ts feat(8.0): API simplification — remove neural()/Db.search, one storage path key, integration→0 2026-06-20 13:31:11 -07:00
hybrid-search-vfs.test.ts feat(8.0)!: delete fork/branch/commit/history/versions — superseded by the Db API 2026-06-10 15:22:47 -07:00
id-normalization.test.ts feat(8.0): id-normalization (#18) + aggregation min/max delete-safety + RC-safe release 2026-06-20 14:46:40 -07:00
ifabsent-upsert-blob-concurrency.test.ts feat: temporal VFS — file content joins the Model-B immutability model 2026-07-10 16:43:48 -07:00
ifrev-concurrent-cas.test.ts fix: ifRev CAS is atomic — the revision check now runs under the commit mutex 2026-07-08 14:53:34 -07:00
memory-enhancements-v5.11.0.test.ts test(8.0): integration rot pass — 77→17 failures (parallel per-file hardening) 2026-06-17 13:11:41 -07:00
metadata-only-comprehensive.test.ts feat(8.0): API simplification — remove neural()/Db.search, one storage path key, integration→0 2026-06-20 13:31:11 -07:00
metadata-vector-exclusion.test.ts test(8.0): integration rot pass — 77→17 failures (parallel per-file hardening) 2026-06-17 13:11:41 -07:00
migration-7x-to-8x.test.ts fix: 7→8 migration preserves branch-scoped non-entity state instead of deleting it 2026-07-07 16:07:10 -07:00
migration-backup.test.ts fix(8.0): byte-copy _id_mapper/* in the pre-upgrade backup (cor's write-new nuance) 2026-07-02 13:35:43 -07:00
migration.test.ts test(8.0): integration rot pass — 77→17 failures (parallel per-file hardening) 2026-06-17 13:11:41 -07:00
multi-process-safety.test.ts feat(8.0): API simplification — remove neural()/Db.search, one storage path key, integration→0 2026-06-20 13:31:11 -07:00
onchange-feed.test.ts feat: brain.onChange — the in-process change feed for every committed mutation 2026-07-10 11:24:31 -07:00
orderby-sort-bug.test.ts feat(8.0)!: flip requireSubtype default to true (BRAINY-8.0-SUBTYPE-CONTRACT § C-1) 2026-06-09 14:58:25 -07:00
readAfterWrite.test.ts chore(8.0): final pre-RC1 sweep — API consistency, named errors, orphans, zero-cast codebase 2026-06-11 14:51:00 -07:00
relationship-intelligence.test.ts chore(8.0): final pre-RC1 sweep — API consistency, named errors, orphans, zero-cast codebase 2026-06-11 14:51:00 -07:00
remaining-apis.test.ts feat(8.0): reserved-field enforcement — reservedFieldPolicy defaults to throw 2026-06-20 15:37:21 -07:00
rev-and-ifabsent.test.ts feat(8.0)!: flip requireSubtype default to true (BRAINY-8.0-SUBTYPE-CONTRACT § C-1) 2026-06-09 14:58:25 -07:00
savebinaryblob-concurrent-rename.test.ts fix: saveBinaryBlob unique tmp suffix + ENOENT swallow on rename 2026-06-09 10:36:02 -07:00
smart-import.test.ts test(8.0): integration rot pass — 77→17 failures (parallel per-file hardening) 2026-06-17 13:11:41 -07:00
storage-batch-operations.test.ts feat(8.0)!: delete fork/branch/commit/history/versions — superseded by the Db API 2026-06-10 15:22:47 -07:00
strict-mode-self-test.test.ts feat(8.0): brain.fillSubtypes migration helper + pre-RC1 gap closure 2026-06-11 10:53:55 -07:00
subtype-and-facets.test.ts chore(8.0): final pre-RC1 sweep — API consistency, named errors, orphans, zero-cast codebase 2026-06-11 14:51:00 -07:00
temporal-vfs.test.ts feat: temporal VFS — file content joins the Model-B immutability model 2026-07-10 16:43:48 -07:00
transact-durability-barrier.test.ts fix: transact durability barrier — committed transactions are durable on return 2026-07-12 08:54:14 -07:00
transact-forward-ref-graph.test.ts fix: transact forward references resolve graph endpoint ints at execute time 2026-07-10 18:06:37 -07:00
update-asymmetry.test.ts feat(8.0)!: flip requireSubtype default to true (BRAINY-8.0-SUBTYPE-CONTRACT § C-1) 2026-06-09 14:58:25 -07:00
vector-recall.test.ts test(8.0): A/B benchmark harness (open leg) — generic corpus+metrics lib, brainy-alone scaling bench, boundary guard, real-embedding recall guard 2026-06-15 15:51:17 -07:00
verb-subtype-and-enforcement.test.ts test(8.0): integration rot pass — 77→17 failures (parallel per-file hardening) 2026-06-17 13:11:41 -07:00
vfs-and-graph-entities.test.ts test(8.0): integration rot pass — 77→17 failures (parallel per-file hardening) 2026-06-17 13:11:41 -07:00
vfs-api-wiring.test.ts feat(8.0): API simplification — remove neural()/Db.search, one storage path key, integration→0 2026-06-20 13:31:11 -07:00
vfs-cow-blob-adoption.test.ts fix: recover VFS content blobs stranded by a 7→8 upgrade, in place on open 2026-07-07 12:23:36 -07:00
vfs-debug.test.ts feat(8.0)!: flip requireSubtype default to true (BRAINY-8.0-SUBTYPE-CONTRACT § C-1) 2026-06-09 14:58:25 -07:00
vfs-import-verification.test.ts test(8.0): integration rot pass — 77→17 failures (parallel per-file hardening) 2026-06-17 13:11:41 -07:00
vfs-knowledge-separation.test.ts feat(8.0): API simplification — remove neural()/Db.search, one storage path key, integration→0 2026-06-20 13:31:11 -07:00
vfs-performance-v5.11.1.test.ts feat(8.0): API simplification — remove neural()/Db.search, one storage path key, integration→0 2026-06-20 13:31:11 -07:00
wasm-embeddings.test.ts feat: migrate embeddings to Candle WASM + remove semantic type inference 2026-01-06 12:52:34 -08:00