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Error Handling & Edge Cases Test Suite

Error Handling & Edge Cases Test Suite

Vectora deve tratar erros graciosamente em todas as situações, incluindo falhas de rede, inputs inválidos, quotas excedidas e cenários de timeout. Esta suite garante robustez em edge cases e recuperação elegante de erros. Cobertura: 150+ testes | Prioridade: CRÍTICA

Network Failures

  • Servidor indisponível (10 testes)
  • Timeout em requisições (12 testes)
  • Conexão intermitente (10 testes)
  • DNS resolution failures (8 testes)
  • Partial data received (8 testes)

Expectativa: Retry com exponential backoff, erro claro ao user

Invalid Input Handling

  • Queries malformadas (15 testes)
  • Parameters fora de range (12 testes)
  • Type mismatches (10 testes)
  • Encoding issues (8 testes)
  • Oversized payloads (8 testes)

Expectativa: 400 Bad Request com mensagem descritiva

Database Failures

  • MongoDB offline (12 testes)
  • Connection pool exhausted (10 testes)
  • Query timeout (10 testes)
  • Index unavailable (8 testes)
  • Replication lag (8 testes)

Expectativa: 503 Service Unavailable, graceful degradation

API Quota & Rate Limiting

  • Google API quota exceeded (10 testes)
  • Voyage embeddings limit (10 testes)
  • Rate limiter enforcement (8 testes)
  • Graceful degradation (8 testes)

Expectativa: 429 Too Many Requests, retry info

Concurrent Access Conflicts

  • Simultaneous writes (12 testes)
  • Cache invalidation races (10 testes)
  • Token expiration during request (8 testes)
  • Connection pool contention (8 testes)

Expectativa: Transactional consistency, no data corruption

Resource Exhaustion

  • Memory limits exceeded (10 testes)
  • File descriptor exhaustion (8 testes)
  • Goroutine leak (10 testes)
  • CPU throttling (5 testes)

Expectativa: Graceful shutdown, no panic


Error Response SLAs

CenárioExpectativa
Network Error503 Service Unavailable (< 100ms)
Invalid Input400 Bad Request com mensagem clara
Auth Failure401/403 sem data exposure
Quota Exceeded429 Too Many Requests
Timeout504 Gateway Timeout (< 5s)

External Linking

ConceitoRecursoLink
Error Handling in GoBest Practicespkg.go.dev/errors
HTTP Status CodesRFC 7231tools.ietf.org/html/rfc7231
Resilience PatternsEngineeringmedium.com/resilience-patterns
Timeout StrategiesAWS Blogaws.amazon.com/blogs/exponential-backoff
Circuit Breaker PatternDesignmartinfowler.com/bliki/CircuitBreaker