I haven’t looked at the code but this stands out to me: > When dealing with data, "testing" is most often done visually, with plotting. Even if your validatio

I haven’t looked at the code but this stands out to me: > When dealing with data, "testing" is most often done visually, with plotting. Even if your validation process is entirely manual, you still can benefit from automated testing. Snapshot tests are completely agnostic from whatever serialization format. If you eyeball check something and say “yup this is good”, that’s something you could snapshot and never test again.