go-integration-test

Go integration testing with testcontainers spins up actual PostgreSQL and Redis instances to validate end-to-end behavior without mocks. This approach improves test reliability by wiring up repository, use case, and HTTP handlers against real databases and services.

The best way to validate database migrations in Go integration testing is to apply and verify schemas against a real PostgreSQL instance. This ensures schema correctness across environments by testing migrations directly on containerized database instances.

Yes, you need testcontainers-go to orchestrate end-to-end HTTP lifecycle tests in Go. It requires the testcontainers-go library, relevant database images, and a migrations runner to apply schemas for real dependency testing.

Yes, you can use testcontainers to wire up repository, use case, and HTTP handlers against a real database. This end-to-end test orchestration validates your Go service's behavior against actual PostgreSQL and Redis instances.

Using real infrastructure for Go integration testing improves test reliability by validating actual behavior against real PostgreSQL and Redis instances. Mocking database dependencies often fails to catch schema or connection issues that real infrastructure testing exposes.