A few weeks ago I came across this Mars Rover programming challenge/kata and being a bit of a space buff, I thought I will take a crack at it.
In this post I will share some of the TDD heuristics that I have found useful on when you should use mocking to verify interactions and when should you resort to state verification.
Recently a planned AWS Aurora database failover/master reboot caused database connection failures in one of our services which caused me to delve deeper into how MySql driver manages connections under the hood.
“I’ve already written code once, now why I do need to repeat the same thing in text?”
Tracer Bullet Testing or Synthetic Transactions or Synthetic Monitoring is a way of testing your service/app in production where its supposed to run but without affecting users/clients/external systems.
Couple of days ago, we had an outage in one of our production APIs that’s built with ASP.NET Core 2.0 and all we got to see in all our logging was something similar to this which doesn’t really help reveal the root cause: After much debugging hassle for several hours we found that it was […]
Monitoring the health of your application in production is a crucial aspect of software development because at any given point in time, you want to be reasonably certain about how your business critical application is performing and you want to be alerted to any problems that might be brewing up in the application before your customers do.