50 Go Testing Mistakes

Performance Tuning and Benchmarking

Have you ever wondered how to determine if your Go code is performing at its best?

Benchmarks help you spot slow code and fix it. They also help you choose the best data structures and algorithms. By the end of this book, you will know how to write benchmarks that guide your engineering decisions.

Handling Go Errors In Tests

Errors in Go are like the STOP sign. They send a strong signal to avoid disasters. Just like the Go error yelling don’t trust returned value, don’t use it.

Critical First Step in Go Tests

“I have two news for you, bad and worse,” said the mechanic. “The battery is dead and I won’t get a new one until Monday. Forget about your annual inspection today,” he continued. “But…” you started. “There is no but.” he cut short.

No setup, no testing. Just like in your Go program.

Simple Trick To Speed Up Your Go Tests