Write tests

[aleeusgr]

How to write a testing suite for this application?

1. Most straightforward way is to write a shell script, iterate over jsons and send each via curl, compare outputs to one verified by hand.
2. Use Haskell testing tools: Hunit, Tasty, QuickCheck - for automation and efficiency
3. Code coverage

input-output-hk/Developer-Experience-working-group#41

[aleeusgr]

https://www.youtube.com/watch?v=dcEhpPob-wM

[aleeusgr]

Unit testing:

See:
sidan-lab/plutus-cborhex-automation#27

what Spock does can be abstracted as a function. Ideally, it does not matter framewhat work you are using, a unit test is a request to the endpoint that contains correct data.
The output of the function is compared to the set of expected outputs, it could be a file containing a json file.

todo: 

[aleeusgr]

Integration tests:

[aleeusgr]

A test with IO; File -> Bool
aleeusgr/aoc#2

What it tests for? How does it break?
ghc, file is missing, ...