I don’t have any answers, but you might find the discussion in the first several messages of this thread <https://groups.google.com/d/topic/clojure/jcVnjk1MOWY/discussion> to be relevant.
On Tuesday, November 1, 2016 at 3:14:28 PM UTC-4, Maarten Truyens wrote: > > Completely convinced of Spec, I am diving into property-based testing with > test.check. However, I encounter some difficulties for which I would like > to get the community's input. > > The central part of the software I am developing, consists of a tree of > different kinds of nodes that can refer to — and interact with — each > other. There are many business rules that specify how those nodes can > interact — e.g., a node of type A can refer to other nodes of types B and C > (but not D); or a node can have max. 3 child nodes of type E but more than > 3 child nodes of type F. > > It is trivial to have Spec generate completely random nodes to test > functions that can ignore the business rules. However, other functions do > depend on the business rules, and for those it is necessary to somewhat > "guide" the generators towards random-but-compliant output. And here I'm > stumbling: due to the business rules' complexity, this is not a matter of > simply inserting a few such-that generators, so that I have already spent > many days on writing a business rule compliant generator. Part of this is > due to the multitude and complexity of the business rules, part due to the > difficulty of writing generators (which operate at a higher level of > abstraction, and for which only a subset of the normal Clojure constructs > can be used). > > How do others cope with this issue? I have the feeling that I am pushing > the generators far beyond what they were designed to do, but at the same I > have to acknowledge that the time required to write traditional tests for > functions dealing with the business rules is also substantial — so maybe > the time required to write those generators is not abnormal. > > Any suggestions are welcomed! I did not find any in-depth observations of > other developers about property-based testing on the Net. > > Maarten > -- You received this message because you are subscribed to the Google Groups "Clojure" group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups "Clojure" group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
