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Skillsbackend-test

backend-test

Generate unit, integration, and mock-based tests for backend code that already exists.

Triggers

Natural-language phrases that auto-invoke the skill:

  • “write test for [file/function]”
  • “add test” / “add tests”
  • “test this”
  • “create test for [thing]”
  • “test the [api/service/function]“

What it does

  • Queries the knowledge graph for testing patterns and known flaky-test pitfalls (Phase 0)
  • Locates the code under test and reads it in full so tests cover actual, not assumed, behavior
  • Detects the test framework (Jest, Vitest, Mocha, or the built-in node:test runner) and mirrors existing test conventions
  • Generates tests covering the happy path, error cases, and at least one edge case
  • Uses the supertest pattern for API/integration tests and mocks to isolate the unit
  • Runs the generated tests, fixing the tests (not the source) when they assume wrong behavior — and surfacing real source bugs instead of hiding them
  • Emits an execution summary into the knowledge graph

Example

"write tests for src/services/userService.ts"

Produces a test file placed where the project keeps its tests, covering valid input, error handling, and edge cases, verified to pass on first run.

  • backend-endpoint — generates tests as part of creating a new endpoint; use backend-test for existing code
  • Knowledge Graph — where testing patterns and pitfalls are surfaced from
backend-endpointdatabase-migration