Don't Mock the Database — Use Testcontainers Instead
EF Core InMemory and SQLite lie about PostgreSQL. Use Testcontainers to run ephemeral real databases in your integration tests — zero mocks, zero surprises in prod.
testing
2 posts with the tag “testing”
Stop Using DateTime.Now — Inject TimeProvider Instead
DateTime.Now makes your code untestable and timezone-fragile. Here is how to replace it with TimeProvider and IClock for deterministic, test-friendly time.