ab-test-setup
FreePlan, design, and implement A/B tests and experiments with statistical rigor. Covers hypothesis frameworks, sample sizing, metrics, and result analysis.
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Seed databases with fixtures, test data, and demo data for dev/staging. Go + TS, Postgres. Trigger: seed, fixtures, faker, factory, test data.
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See how to installReview the instructions the agent will receive before you install.
Poblar DBs de forma idempotente, segura y realista. Seeding = datos. NO migrations (schema) ni prod data.
| Tipo | Entorno | Versionado | Ejemplos |
|---|---|---|---|
| Reference/lookups | TODOS (incl prod) | Sí, en repo | roles, países, grados, materias, curricula |
| Dev/local fixtures | dev local | Sí, opt-in | usuarios/cursos/notas fake |
| Test fixtures | CI/tests | Sí, por suite | escenarios controlados |
| Demo/staging | staging | Sí, opt-in | tenant demo para comerciales |
Regla: reference puede ir a prod; el resto, jamás.
db/seeds/reference/ (siempre), fixtures/ (opt-in --fixtures), demo/ (opt-in --demo), anonymize/ (sanitización dumps prod).
TS (Prisma/Drizzle): prisma/seed.ts con @faker-js/faker/locale/es. Flags --fixtures, --demo. Factory pattern: userFactory(overrides) retorna objeto con defaults + spread.
Go (GORM/sqlx): cmd/seed/main.go con gofakeit.Seed(42). Flags via stdlib flag. Factory: UserFactory(overrides ...func(*User)).
Correr N veces = mismo resultado. Usar upserts: ON CONFLICT DO NOTHING (SQL), prisma.upsert (TS), clause.OnConflict{DoNothing: true} (Go).
Parents → children. Cachear IDs. Orden Educabot: tenants → users → courses → enrollments → grades.
Dev: 10-100. Staging demo: 100-1000. Perf tests: 10k-1M.
Siempre faker/locale/es (AR/MX/CO/CL/PE) o pt_BR (Brasil) para demos creíbles.
1 tenant "Escuela San Martín", 1 super_admin, 1 tenant_admin, 3 docentes, 5 cursos/docente, 30 alumnos/curso, 10 notas/alumno. Password: dev12345 (bcrypt/argon2). Banner rojo en staging: "ENTORNO DE PRUEBA".
npm run seed (reference only) / --fixtures / --demo --tenant=X / --reset (DEV ONLY) / --count users=1000. Go: go run ./cmd/seed --fixtures.
A) Transaction rollback por test (rápido). B) Testcontainers (Go, DB fresca por suite). Seed determinista: faker.seed(42) / gofakeit.Seed(42).
NUNCA copiar prod tal cual. Flujo: dump con DPO → DB temporal → script anonimización → redump → staging. Reemplazar: email → user-{id}@staging, name → faker, DNI/CUIT/CPF → generador válido, phone/address → faker, password → hash fijo dev.
Disable triggers/índices → COPY FROM CSV (o pgx.CopyFrom / Prisma createMany con chunks 10k) → rebuild índices → ANALYZE.
Obligatorio en todo seeder: check NODE_ENV !== 'production' / APP_ENV != "production" → throw/fatal. Flag --confirm-prod-unsafe no documentada.
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Plan, design, and implement A/B tests and experiments with statistical rigor. Covers hypothesis frameworks, sample sizing, metrics, and result analysis.
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