[mountaineer22]

Is this also an assert library name?

[Trufa]

Definitely, and a household name: http://chaijs.com/

[keville]

https://github.com/chaijs/chai

I am a (somewhat myopically) JavaScript-focused developer, so I admit my own domain-specific bias here, but `chaijs.com` is the first Google search result for both "chai code" and "chai library".