canina/docs/audit/12-testing-audit.md
2026-08-06 20:54:44 +03:30

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# Testing and Reliability Audit Report
- **Auditor Role**: Testing and Reliability Auditor
- **Date**: 2026-08-06
- **Repository HEAD**: `715873b2ecc3a72ba974bb2a2be87c5ba82bd4e7`
- **Included Scope**: `src/test/**/*`, `backend/test/**/*`, `backend/src/**/*.spec.ts`, package test scripts, vitest/jest configs.
- **Excluded Scope**: `**/node_modules/**`, `**/coverage/**`, interactive watch-mode runners.
- **Files Inspected**: `backend/src/pets/pets.controller.spec.ts`, `backend/src/users/users.controller.spec.ts`, `backend/src/settings/settings.controller.spec.ts`, `package.json`, `backend/package.json`.
- **Commands Executed**: `cmd /c "backend\node_modules\.bin\tsc.cmd --noEmit -p backend\tsconfig.json"`.
- **Commands Blocked**: Unit test execution (`vitest run`, `jest`) due to unlinked local test binaries or missing database mock setup.
- **Audit Limitations**: Evaluated via static spec file code analysis and compiler diagnostic reports.
---
## Domain Overview & Confirmed Strengths
- **Test Harness Setup**: NestJS controllers feature unit test specification files (`.spec.ts`) utilizing `@nestjs/testing` module mocks. Vitest is configured in the root storefront.
---
## Findings
## TEST-001
### Title
Stale Unit Test Specifications Asserting Obsolete Property Signatures
### Domain
Testing and Reliability
### Category
Test Quality & Suite Rot
### Severity
MEDIUM
### Confidence
CONFIRMED
### Status
OPEN
### Affected Application
NestJS Backend (`backend/`)
### Affected Files
- `backend/src/pets/pets.controller.spec.ts`
- `backend/src/settings/settings.controller.spec.ts`
- `backend/src/users/users.controller.spec.ts`
### Relevant Symbols or Lines
- `backend/src/pets/pets.controller.spec.ts#L71`
- `backend/src/settings/settings.controller.spec.ts#L65`
- `backend/src/users/users.controller.spec.ts#L89`
### Evidence
During TypeScript compilation check:
```
backend/src/pets/pets.controller.spec.ts(71,19): error TS2339: Property 'success' does not exist on type '{ id: string; name: string; ... }'.
backend/src/settings/settings.controller.spec.ts(65,19): error TS2339: Property 'success' does not exist on type '{ key: string; term: string; ... }'.
backend/src/users/users.controller.spec.ts(89,19): error TS2339: Property 'success' does not exist on type '{ id: string; title: string; ... }'.
```
### Problem
Test spec assertions check for a wrapper property `result.success === true` that was removed from controller return values when service methods were refactored to return raw Prisma entities directly.
### Root Cause
Service return types were modified without updating corresponding unit test assertions in `.spec.ts` files.
### Why It Matters
Causes unit test build failures when running automated test suites in CI pipelines.
### User or Business Impact
Blocks CI build verification gates and prevents automated release testing.
### Technical Impact
Breaks test compilation for NestJS unit tests.
### Security or Data-Integrity Impact
Low security impact; high reliability and build confidence impact.
### Recommended Direction
Update controller spec assertions to match current service return signatures (asserting model properties directly instead of `expect(result.success).toBe(true)`).
### Alternative Direction
Wrap controller responses in a standard API response interceptor that consistently injects `{ success: true, data: result }`.
### Implementation Complexity
LOW
### Dependencies
None.
### Risks
None.
### Verification Requirements
Compile backend test specs with TypeScript and execute Jest suite to confirm zero assertion errors.
### Testing Requirements
Run `jest` on fixed controller specs.
### Acceptance Criteria
All controller `.spec.ts` files compile cleanly and pass unit test execution.
### Notes and Limitations
None.
---
## Finding Summary
- **CRITICAL**: 0
- **HIGH**: 0
- **MEDIUM**: 1
- **LOW**: 0
- **INFO**: 0
- **CONFIRMED**: 1
- **HIGH_CONFIDENCE**: 0
- **NEEDS_VERIFICATION**: 0
- **SPECULATIVE**: 0
## Completion Statement
Testing and Reliability audit completed. 1 MEDIUM severity finding confirmed.