Mine the depths, mindless hack,
make a cut and take it back;
spell the laws, chant the creed,
squeeze the stone and watch it bleed.
The testing framework is located at
viri.dev.
I might also recommend
cosmo.tardis.ac.
See also the universal chess interface.
Drink with joy, weep with pain,
reap each proven line for gain;
push the set, then descend,
Sisyphean, to your end.