From Go to Rust - Unit Testing

In this fourth installment of the series, we'll transform some Go tests into Rust tests.

In case you missed anything:

In the first part of this series, we looked at some fundamentals of Rust, and how they compare to Go. In the second part we took a Go web server and reimplemented it in Rust. The third part focused on JSON and serialization, as we compared Go's annotation-based encoding to Rust's Serde libraries.

Now in this part, we'll look at testing. Along the way, we'...