Hi Devs, I work a lot with property tests and use ...

# kotest-contributors

[atara]

Hi Devs, I work a lot with property tests and use the checkAll function. I would really like to add a change to call beforeTest and afterTest (or some other equivalent functions) between each iteration of the property base tests.
Looking at the code I was trying to find a central place of where to add such call. I found this function proptest but there are many of them and I don’t have access to the Spec from there. The Spec holds the before and after functions. I wonder if someone more familiar with the code can guid me here. Thank you

[sam]

Someone already asked for the same thing actually https://github.com/kotest/kotest/issues/1435

[sam]

We can't hold into anything from the spec itself, because the property test framework has to be usable from outside Kotest Framework. People use it with JUnit for example.

[sam]

I would suggest we add a new PropTestProjectConfig object which people can call .beforeTest and .afterTest to register callbacks.

[atara]

That sounds good @sam. Any idea where to start?

[atara]

I actually came out with a wrapper. not sure it is the best idea though…

[sam]

If you want to work on it, then I suggest you add a new object PropTestPropertyConfig object. Two methods in there, beforeCheck and afterCheck which accept a lambda each. Add those lambdas to a list.

Inside checkAll and forAll they should call PropTestPropertyConfig.before to get the list, and execute them.

[atara]

oh… I will have a look. Thank you.