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Test Coverage Report — Health Dataspace v2

Date: 2026-03-21 Framework: Vitest 4.x + @vitest/coverage-v8 Test Runner: Node.js 20, jsdom environment

Summary

Component Test Files Tests Stmts % Branch % Funcs % Lines %
UI 78 1,490 93.78 81.65 89.57 94.73
Neo4j Proxy 1 10 27.95 26.63 16.66 28.84
E2E 29 778 — — — —
Total 108 2,278 — — — —

E2E results from JAD stack run (2026-04-11): 581 passed, 197 skipped, 0 failed. See E2E Test Report for full breakdown.

Coverage Progression (UI)

Metric Baseline (40) Phase 8 (94) Phase 9 (128) Phase 12 (247) Current (1,391) Total Improvement
Stmts % 10.50 24.64 34.05 71.76 93.78 +793%
Branch % 6.55 13.64 18.87 51.15 81.65 +1147%
Funcs % 7.10 14.46 20.75 67.16 89.57 +1162%
Lines % 10.23 24.28 33.84 72.10 94.73 +826%
Tests 40 94 128 247 1,490 +3625%
Files 8 19 27 35 78 +875%

Commands

Run all UI tests

cd ui
npm test                          # quick run
npx vitest run --reporter=verbose # verbose output

Run UI tests with coverage

cd ui
npm run test:coverage
# or
npx vitest run --coverage

Run neo4j-proxy tests with coverage

cd services/neo4j-proxy
npm run test:coverage
# or
npx vitest run --coverage

Run E2E tests (requires Docker services)

cd ui
npm run test:e2e
# or with UI debugger
npm run test:e2e:ui

View HTML coverage report

cd ui && open coverage/index.html
cd services/neo4j-proxy && open coverage/index.html

Coverage by File (UI)

API Routes — Fully Covered (100%)

Route Stmts Branch Test File
api/catalog/route.ts 100% 100% __tests__/api/catalog.test.ts
api/compliance/route.ts 100% 100% __tests__/api/compliance.test.ts
api/compliance/tck/route.ts 100% 89.7% __tests__/api/compliance-tck.test.ts
api/credentials/route.ts 100% 100% __tests__/api/credentials.test.ts
api/credentials/request/route.ts 100% 78.6% __tests__/api/credentials-request.test.ts
api/graph/route.ts 100% 50% __tests__/api/graph.test.ts
api/negotiations/route.ts 100% 100% __tests__/api/negotiations.test.ts
api/negotiations/[id]/route.ts 100% 100% __tests__/api/negotiations-id.test.ts
api/participants/route.ts 100% 87.5% __tests__/api/participants.test.ts
api/participants/me/route.ts 100% 100% __tests__/api/participants-me.test.ts
api/patient/route.ts 100% 100% __tests__/api/patient.test.ts
api/transfers/route.ts 100% 100% __tests__/api/transfers.test.ts
api/transfers/[id]/route.ts 100% 100% __tests__/api/transfers-id.test.ts
api/federated/route.ts 100% 75% __tests__/api/federated-nlq.test.ts
api/eehrxf/route.ts 100% 62.5% __tests__/api/eehrxf.test.ts
api/analytics/route.ts 100% — __tests__/api/analytics.test.ts

API Routes — Partially Covered

Route Stmts Branch Notes
api/assets/route.ts 96.15% 73.33% Missing one branch on line 51
api/nlq/route.ts 92.3% 50% Untested branch on line 31
api/admin/policies/route.ts 87.5% 100% Tested via EDC mock
api/admin/tenants/route.ts 100% 75% Tested via EDC mock

API Routes — Not Yet Covered (0%)

Route Lines Priority
api/auth/[...nextauth]/route.ts 4–12 Low (auth config)
api/admin/audit/route.ts 3–136 Low

Libraries

File Stmts Branch Funcs Notes
lib/neo4j.ts 100% 100% 100% Fully covered
lib/api.ts 70.83% 68.18% 100% Static export routes covered
lib/edc/client.ts 84.61% 87.23% 37.5% Token caching + failure paths
lib/edc/index.ts 100% 100% 100% Re-export barrel (tested)
lib/auth.ts 73.8% 62.1% 63.6% hasRole + Roles + authOptions

Components

File Stmts Branch Funcs Notes
Navigation.tsx 70.73% 26.92% 52.38% Main nav + dropdown logic
UserMenu.tsx 75% 44% 77.77% Auth states + dropdown
AuthProvider.tsx 100% 100% 100% SessionProvider wrapper (tested)

Page Components

All 6 major page components now have dedicated unit test suites with >85% coverage (except Graph at ~29% due to canvas rendering):

Page Stmts Branch Tests Notes
catalog 90.9% — 4 Filter, expand, legal basis, error
patient 96.55% — 4 Stats, selector, timeline, error
negotiate 89.83% — 8 Participants, form, states, submit, error
query 91.66% — 8 Federated, templates, SPE, toggle, submit
settings 87.5% — 7 Empty state, profiles, save, multi-tenant
graph 28.94% — 5 Canvas-based ForceGraph limits jsdom testing

Neo4j Proxy Coverage

File Stmts Branch Funcs Lines
index.ts 27.95% 26.63% 16.66% 28.84%

10 tests covering: health check, FHIR patient list, FHIR patient everything, FHIR bundle ingest, OMOP cohort, OMOP timeline, catalog datasets, catalog by ID, federated stats, NLQ templates.

Test File Inventory

Unit Tests (__tests__/unit/)

File Tests Description
unit/lib/neo4j.test.ts 6 Driver creation, query execution, caching
unit/lib/edc-client.test.ts 7 EDC management API, token caching, failures
unit/lib/api.test.ts 9 fetchApi normal + static export routing
unit/lib/auth.test.ts 9 hasRole, Roles constant, authOptions config
unit/lib/edc-index.test.ts 2 Barrel re-exports verification
unit/components/Navigation.test.tsx 7 Nav links, active highlighting, dropdown
unit/components/UserMenu.test.tsx 7 Auth states, dropdown toggle, role badges
unit/components/AuthProvider.test.tsx 1 SessionProvider wrapper rendering

API Integration Tests (__tests__/api/)

File Tests Description
api/graph.test.ts 4 Graph nodes/links, deduplication
api/catalog.test.ts 3 Dataset listing from Neo4j
api/patient.test.ts 4 List + timeline modes
api/credentials.test.ts 3 Credential list + quality metrics
api/analytics.test.ts 2 OMOP summary + empty defaults
api/compliance.test.ts 4 Consumer/dataset list + chain check
api/eehrxf.test.ts 2 Category profiles
api/negotiations.test.ts 6 List + initiate + error handling
api/transfers.test.ts 7 List + initiate + default types
api/participants.test.ts 9 List + create + validation + 201
api/assets.test.ts 6 List + create + aggregate
api/admin-tenants.test.ts 2 Tenant listing + EDC enrichment
api/admin-policies.test.ts 5 Policy CRUD + aggregate
api/federated-nlq.test.ts 5 Federated proxy + NLQ GET/POST
api/compliance-tck.test.ts 5 DSP/DCP/EHDS compliance scorecards
api/credentials-request.test.ts 5 Credential issuance request flow
api/negotiations-id.test.ts 3 Per-negotiation detail by ID
api/transfers-id.test.ts 3 Per-transfer detail by ID
api/participants-me.test.ts 3 Current user participant profile

E2E Tests (__tests__/e2e/)

File Tests Description
e2e/smoke.spec.ts 5 Page loads, navigation, graphs

Neo4j Proxy Tests

File Tests Description
services/neo4j-proxy/__tests__/proxy.test.ts 10 All REST endpoints

CI/CD Integration

Test runs are automated via GitHub Actions (.github/workflows/test.yml):

  • Trigger: Every push to any branch, every PR to main
  • Jobs:
    • ui-tests — Runs all 1,490 UI tests with coverage
    • proxy-tests — Runs all 10 proxy tests with coverage
    • e2e-tests — Runs 102 Playwright E2E tests (main branch + manual)
    • lint — ESLint check on UI code
  • Artifacts: Coverage HTML reports uploaded for 30 days
  • Summary: Coverage tables written to GitHub job summary
  • GitHub Pages: Test reports published at /test-reports/

Remaining Coverage Gaps

All source files are at or above 80% statement coverage. The remaining improvement areas are branch coverage:

Area Stmts Branch Notes
auth/[...nextauth] — — 8-line NextAuth handler re-export
Neo4j Proxy index.ts 28% 27% Needs live Neo4j for integration paths

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