diff --git a/docs/ai/sync/operation-log-implementation-review.md b/docs/ai/sync/operation-log-implementation-review.md index 0aeeaf5f4..82fe7dc09 100644 --- a/docs/ai/sync/operation-log-implementation-review.md +++ b/docs/ai/sync/operation-log-implementation-review.md @@ -2,12 +2,42 @@ **Date:** 2025-12-08 **Branch:** `feat/operation-logs` -**Last Updated:** December 8, 2025 (corrected false positives) +**Last Updated:** December 11, 2025 (code review and test improvements) This document summarizes findings from a comprehensive review of the operation log implementation, covering bugs, redundancies, architecture issues, and test coverage gaps. --- +## December 11, 2025 Update: Security Review + +A comprehensive security review was conducted on December 11, 2025. Several "critical" security issues were initially flagged but upon verification were found to be **already addressed**: + +### Verified Security Measures ✅ + +| Issue | Status | Location | +| -------------------------- | ---------------------- | ------------------------------------------------------------- | +| **Timing attack on login** | ✅ Already mitigated | `auth.ts:214-219` - Uses dummy hash comparison | +| **Vector clock DoS** | ✅ Already implemented | `sync.types.ts:66-110` - Limits to 100 entries, 255 char keys | +| **CSRF protection** | ✅ Not needed | JWT Bearer tokens in Authorization header, not cookies | + +### Verified Reliability Measures ✅ + +| Issue | Status | Location | +| ------------------------------ | --------------------------- | ------------------------------------------------------------------------ | +| **Error handling in reducers** | ✅ Defensive checks present | `short-syntax-shared.reducer.ts:69-71` - Returns early if task not found | +| **ClientId recovery** | ✅ Handled upstream | `metaModel.loadClientId()` creates clientId if missing | + +### Tests Added (December 11, 2025) + +| Test | File | Description | +| ------------------------------ | ------------------------------------- | ----------------------------------------- | +| 3-way conflict E2E | `supersync-edge-cases.spec.ts` | 3 clients editing same task concurrently | +| Delete vs Update E2E | `supersync-edge-cases.spec.ts` | One client deletes while another updates | +| Large conflict sets (100+ ops) | `conflict-resolution.service.spec.ts` | Stress test with 50 local + 50 remote ops | +| Multi-entity conflicts | `conflict-resolution.service.spec.ts` | 10 entities with 10 ops each | + +--- + ## Executive Summary The operation log implementation has a solid architectural foundation with event sourcing, vector clocks, and meta-reducers for atomic operations. However, several issues and test gaps were discovered that should be addressed before production use. @@ -177,25 +207,25 @@ If action has no `meta` field, it passes (undefined !== true). Remote operations ### Critical Missing Tests -| Gap | Scenario | Impact | -| -------------------------- | ------------------------------ | ---------------- | -| **Race conditions** | Concurrent append + compaction | Data loss | -| **Error recovery** | Quota exceeded mid-write | State corruption | -| **Multi-tab coordination** | Tab A append + Tab B compact | Lock deadlock | +| Gap | Scenario | Impact | Status | +| -------------------------- | ------------------------------ | ---------------- | ---------------------------------------------------- | +| **Race conditions** | Concurrent append + compaction | Data loss | Open | +| **Error recovery** | Quota exceeded mid-write | State corruption | ✅ Tested (8 tests in operation-log.effects.spec.ts) | +| **Multi-tab coordination** | Tab A append + Tab B compact | Lock deadlock | Open | ### Missing Scenarios 1. **Concurrent operations:** No test for append during compaction -2. **Quota exceeded:** Emergency compaction path never tested +2. ~~**Quota exceeded:** Emergency compaction path never tested~~ → ✅ Extensively tested (8 test cases) 3. **Schema migration:** Version mismatch during hydration -4. **3-way conflicts:** Only 2-way conflict resolution tested -5. **Conflict on deleted entity:** Update for entity local deleted -6. **Very large conflict sets:** 100+ ops on same entity +4. ~~**3-way conflicts:** Only 2-way conflict resolution tested~~ → ✅ Added E2E test (supersync-edge-cases.spec.ts) +5. ~~**Conflict on deleted entity:** Update for entity local deleted~~ → ✅ Added E2E test (supersync-edge-cases.spec.ts) +6. ~~**Very large conflict sets:** 100+ ops on same entity~~ → ✅ Added unit tests (conflict-resolution.service.spec.ts) 7. **Download retry:** Network failure mid-pagination (2 tests skipped with `pending()`) ### Test Infrastructure Issues -- `sync-scenarios.integration.spec.ts:18-32`: All SimulatedClients share same IndexedDB (not true isolation) +- ~~`sync-scenarios.integration.spec.ts:18-32`: All SimulatedClients share same IndexedDB (not true isolation)~~ → ✅ Documented as intentional design choice with clear explanation of logical isolation strategy (see `simulated-client.helper.ts`) - `operation-log-download.service.spec.ts:360-373`: 2 tests marked `pending()` due to timeout - Benchmark tests disabled (`xdescribe`) diff --git a/docs/ai/sync/supersync-e2e-test-plan.md b/docs/ai/sync/supersync-e2e-test-plan.md index b37f6a002..15d04c0fe 100644 --- a/docs/ai/sync/supersync-e2e-test-plan.md +++ b/docs/ai/sync/supersync-e2e-test-plan.md @@ -1,10 +1,41 @@ # SuperSync E2E Test Plan -## Status: PLANNED (Not Yet Implemented) +## Status: ✅ IMPLEMENTED -This plan describes full end-to-end tests for operation-log sync between two browser clients using the real super-sync-server. These tests complement the existing Karma-based integration tests by testing the complete sync flow including network, authentication, and UI. +**Last Updated:** December 11, 2025 -**Prerequisite:** Basic sync functionality should be working before implementing these tests. +This document describes the full end-to-end tests for operation-log sync between multiple browser clients using the real super-sync-server. These tests complement the existing Karma-based integration tests by testing the complete sync flow including network, authentication, and UI. + +### Implementation Status + +| Component | Status | +| -------------------------- | ----------------------------- | +| Test mode server endpoints | ✅ Implemented | +| Docker Compose setup | ✅ Implemented | +| SuperSyncPage page object | ✅ Implemented | +| Helper utilities | ✅ Implemented | +| Basic sync tests | ✅ Implemented | +| Conflict resolution tests | ✅ Implemented | +| Edge case tests | ✅ Implemented (Dec 11, 2025) | + +### Test Files + +| File | Description | +| --------------------------------------------- | -------------------------------------------------------------- | +| `e2e/tests/sync/supersync.spec.ts` | Core sync scenarios (create, bidirectional, basic conflict) | +| `e2e/tests/sync/supersync-advanced.spec.ts` | Advanced scenarios (delete conflicts, time tracking) | +| `e2e/tests/sync/supersync-edge-cases.spec.ts` | Edge cases (3-way conflicts, delete vs update, offline bursts) | +| `e2e/tests/sync/supersync-models.spec.ts` | Model-specific sync (projects, tags) | + +### Running Tests + +```bash +# Start server and run all supersync tests +npm run e2e:supersync + +# Run specific test file +npm run e2e:playwright:file e2e/tests/sync/supersync-edge-cases.spec.ts +``` ---