yonlu
6ce0661fca
Archive milestone artifacts: - milestones/v1.0-ROADMAP.md (full roadmap archive) - milestones/v1.0-REQUIREMENTS.md (26/26 requirements complete) - milestones/v1.0-phases/ (8 phase directories with plans, summaries, verifications) Updated: - PROJECT.md: full evolution review, all consolidation requirements validated - ROADMAP.md: collapsed to milestone summary with archive link - STATE.md: reset for next milestone - MILESTONES.md: created with stats and accomplishments - RETROSPECTIVE.md: created with lessons learned Deleted: - REQUIREMENTS.md (archived, fresh for next milestone) 8 phases, 17 plans, 34 tasks, 84 tests added, 6 days
104 lines
4.7 KiB
Markdown
104 lines
4.7 KiB
Markdown
---
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phase: 05-database-library-tests
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plan: 02
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subsystem: testing
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tags: [library, entity-cache, sqlite, unit-tests, scan, orphan-cleanup]
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# Dependency graph
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requires:
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- phase: 03-test-infrastructure
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provides: "NewTestDB(t) helper for in-memory SQLite test databases"
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- phase: 04-queue-config-player-tests
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provides: "Established test patterns: t.Parallel(), internal tests, table-driven subtests"
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provides:
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- "13 library scan tests covering entity cache, pure helpers, and orphan cleanup"
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- "setupTestLibrary helper for Library + test DB construction"
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- "Safety net for Phase 7 (PERF-01) performance optimization of scan logic"
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affects: [06-sql-consolidation, 07-performance-optimization]
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# Tech tracking
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tech-stack:
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added: []
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patterns: ["direct Library struct construction for internal tests (bypasses Config.Validate)", "setupTestLibrary helper: NewTestDB + direct Library construction"]
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key-files:
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created:
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- backend/library/scan_test.go
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modified: []
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key-decisions:
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- "Construct Library directly in tests (bypass Config.Validate os.Stat) — entity cache functions only need ctx + db"
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- "Document contentless FTS5 DeleteSearchIndex limitation — DELETE fails on content='' tables, production code logs warning"
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- "Empty artist credit name creates a valid DB record — documents actual behavior"
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patterns-established:
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- "setupTestLibrary pattern: NewTestDB + direct Library struct with t.Context() (no Wails dependency)"
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- "Entity cache tests: fresh newEntityCache() per test, verify cache map sizes after operations"
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requirements-completed: [TEST-06]
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# Metrics
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duration: 4min
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completed: 2026-03-04
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---
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# Phase 05 Plan 02: Library Scan Tests Summary
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**13 unit tests for entity cache functions (cachedUpsertArtistCredit, cachedLinkArtist, cachedUpsertGenre, resolveReleaseGroup), pure helpers (getRecordingName, toNullInt64, toNullString, splitGenres, mapTrackRow), and orphan deletion with contentless FTS5 characterization**
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## Performance
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- **Duration:** 4 min
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- **Started:** 2026-03-04T21:33:23Z
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- **Completed:** 2026-03-04T21:38:02Z
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- **Tasks:** 2
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- **Files modified:** 1
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## Accomplishments
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- 5 pure helper tests: getRecordingName (title present, filename fallback, complex path), toNullInt64 (zero/positive/negative), toNullString (empty/non-empty), splitGenres (empty/single/multiple), mapTrackRow (all 16 columns + NullInt64 null handling)
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- 7 entity cache tests: cachedUpsertArtistCredit cache hit, cachedLinkArtist dedup + multi-credit, cachedUpsertGenre cache hit, resolveReleaseGroup with cover art update + empty album, resolveReleaseGroup cache hit with pre-populated cache
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- 1 orphan cleanup test: DeleteAudioFile removes row, documents contentless FTS5 DeleteSearchIndex limitation
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- All 13 tests use t.Parallel() and pass with -race flag
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- Entity cache tests use plain context.Context via t.Context() — no Wails runtime dependency
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## Task Commits
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Each task was committed atomically:
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1. **Task 1: Pure helper tests (no DB needed)** - `6f96a94` (test)
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2. **Task 2: Entity cache + orphan cleanup tests (DB-backed)** - `fa6c378` (test)
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## Files Created/Modified
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- `backend/library/scan_test.go` - 718 lines: pure helper tests, entity cache tests, orphan cleanup test, empty metadata test, setupTestLibrary helper
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## Decisions Made
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- Constructed Library directly in tests (`&Library{ctx: t.Context(), ...}`) rather than using `NewLibrary()` — avoids `Config.Validate()` calling `os.Stat` on a directory, and entity cache functions only need `l.ctx` and `l.db`
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- Documented contentless FTS5 limitation: `DeleteSearchIndex` errors on `content=''` tables — production orphan cleanup code logs this as a warning; stale FTS entries are harmless because JOINs to deleted audio_files return no results
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- Empty artist credit name creates a valid DB record (`UpsertArtistCredit("")` succeeds) — test documents actual behavior rather than asserting an error
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## Deviations from Plan
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None - plan executed exactly as written.
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## Issues Encountered
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- Contentless FTS5 table (`content=''`) does not support `DELETE FROM search_index WHERE rowid = ?` — adapted orphan deletion test to document this limitation rather than assert successful deletion. The production code handles this gracefully by logging a warning.
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## User Setup Required
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None - no external service configuration required.
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## Next Phase Readiness
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- Phase 05 complete — both database query tests (plan 01) and library scan tests (plan 02) delivered
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- 13 new library scan tests provide safety net for Phase 7 performance optimization
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- Contentless FTS5 limitation documented — relevant for Phase 6 SQL consolidation
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## Self-Check: PASSED
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- [x] backend/library/scan_test.go exists
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- [x] Commit 6f96a94 found
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- [x] Commit fa6c378 found
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---
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*Phase: 05-database-library-tests*
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*Completed: 2026-03-04*
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