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Testing

Structure

Unit tests: Vitest, colocated with source (*.test.ts next to *.ts). Config: packages/app/vitest.config.ts. E2E tests: Cypress, in packages/app/cypress/e2e/. Config: packages/app/cypress.config.ts.

Requirements (Mandatory)

Enforced by @pr-claude — missing/low-quality tests are flagged 🔴 BLOCKING.

  1. New utility functions → colocated unit test
  2. New UI features → E2E test in cypress/e2e/<feature>.cy.ts
  3. Bug fixes → regression test reproducing the bug
  4. Run pnpm test:unit and pnpm test:e2e before considering task complete

Pre-commit Checklist

pnpm dev --hostname 0.0.0.0 --port 3000 &
curl --retry 10 --retry-delay 2 --retry-connrefused -sSf http://localhost:3000 >/dev/null
pnpm test:unit
pnpm test:e2e

Quality Standards

  1. No tautological tests — every test must verify a real transformation
  2. Cover edge cases — empty input, null, boundary values, error paths
  3. Meaningful assertions — check specific values, not just truthiness
  4. Test behavior, not implementation
  5. Realistic inputs — real model names, GPU keys, sequence strings
  6. No shallow Cypress tests — assert content/behavior, not just visibility
  7. Regression tests must reproduce the bug with exact triggering input
  8. No inline Cypress timeout overrides — use the global defaultCommandTimeout in cypress.config.ts. Never pass { timeout: N } to individual commands.