Get test coverage on an Express/Node API fast — the first 5 tests that catch
94
90%
Does it follow best practices?
Impact
100%
1.26xAverage score across 5 eval scenarios
Passed
No known issues
{
"context": "Tests whether the agent sets up a complete testing foundation including all three required npm scripts, correct vitest configuration, proper app export pattern, and database isolation — as required for a team-ready setup.",
"type": "weighted_checklist",
"checklist": [
{
"name": "test:coverage script",
"description": "package.json scripts includes 'test:coverage' with value 'vitest run --coverage'",
"max_score": 12
},
{
"name": "test:watch script",
"description": "package.json scripts includes 'test:watch' with value 'vitest'",
"max_score": 10
},
{
"name": "test script",
"description": "package.json scripts includes 'test' with value 'vitest run'",
"max_score": 8
},
{
"name": "vitest installed",
"description": "package.json devDependencies includes 'vitest'",
"max_score": 5
},
{
"name": "supertest installed",
"description": "package.json devDependencies includes 'supertest' and '@types/supertest'",
"max_score": 5
},
{
"name": "vitest globals enabled",
"description": "vitest.config.ts sets globals: true in the test config",
"max_score": 5
},
{
"name": "vitest node environment",
"description": "vitest.config.ts sets environment: 'node' in the test config",
"max_score": 5
},
{
"name": "conditional listen",
"description": "src/server.ts only calls app.listen() when NOT in test mode (guards with NODE_ENV check or equivalent) — does NOT call listen unconditionally",
"max_score": 10
},
{
"name": "app exported",
"description": "src/server.ts exports the app (e.g. 'export const app' or default export)",
"max_score": 5
},
{
"name": "in-memory SQLite",
"description": "src/db.ts uses ':memory:' as the SQLite path when NODE_ENV === 'test'",
"max_score": 8
},
{
"name": "no database mock",
"description": "Test file does NOT use vi.mock or jest.mock to stub the database module",
"max_score": 8
},
{
"name": "beforeEach reset",
"description": "Test file includes a beforeEach hook that resets or clears database state between tests",
"max_score": 7
},
{
"name": "supertest usage",
"description": "Tests use request(app) from supertest for HTTP calls",
"max_score": 7
},
{
"name": "5 or fewer tests",
"description": "Test file contains 5 or fewer it() / test() blocks",
"max_score": 5
}
]
}