Testing: Phase 1 - Data integrity (types.ts + persistence)

[fegge]

Parent issue: #90

Overview

P0 priority tests for data validation, type guards, and file persistence. If these fail, data is lost.

Tests: Validators (20 tests)

Test	Type
validateSerializedData accepts valid payload	+
validateSerializedData accepts minimal payload	+
validateSerializedData accepts legacy data (no partiallyAuditedFiles)	+
validateSerializedData rejects missing treeEntries	-
validateSerializedData rejects missing auditedFiles	-
validateSerializedData rejects missing resolvedEntries	-
validateSerializedData rejects invalid entryType	-
validateSerializedData rejects entry missing label/author/details/locations	-
validateSerializedData rejects location missing path/startLine/endLine/label	-
validateSerializedData rejects auditedFile missing path/author	-
validateSerializedData rejects partiallyAuditedFile missing coordinates	-
validateSerializedData rejects entryDetails missing severity/difficulty/type	-

Tests: Type Guards (11 tests)

Test	Type
isEntry true for FullEntry, false for LocationEntry/PathOrganizer	+/-
isLocationEntry true for FullLocationEntry, false for FullEntry	+/-
isPathOrganizerEntry true/false cases	+/-
isOldEntry legacy vs new format	+/-
isConfigurationEntry / isWorkspaceRootEntry	+/-

Tests: Equality & Merging (18 tests)

Test	Type
entryEquals identical entries	+
entryEquals different label/author/type/locations	-
getEntryIndexFromArray found and not found	+/-
mergeTwoEntryArrays deduplication and empty arrays	+
mergeTwoAuditedFileArrays deduplication	+
mergeTwoPartiallyAuditedFileArrays deduplication	+
configEntryEquals all cases	+/-

Tests: Factory Functions (9 tests)

Test	Type
createDefaultSerializedData structure	+
createDefaultEntryDetails structure	+
createPathOrganizer / createLocationEntry	+
treeViewModeLabel enum conversion	+

Tests: File Persistence (12 tests)

Test	Type
Load .weaudit parses valid JSON	+
Load .weaudit handles missing/corrupt/empty file	-
Load .weaudit rejects invalid schema	-
Save .weaudit creates .vscode if missing	+
Save .weaudit writes valid JSON	+
Save .weaudit preserves other users data	+
Day log load/save/missing/corrupt	+/-

Files

• test/unit/validators.test.ts
• test/unit/types.test.ts (extend existing)
• test/unit/persistence.test.ts

Total: 70 tests