explain-out is now public in master. Further mods may be coming re testing.
On Thursday, June 16, 2016 at 12:52:12 PM UTC-5, Sean Corfield wrote:
>
> I fear you’re missing my point.
>
>
>
> You can get close to the previous nice value with:
>
>
>
> (#’s/explain-out (:result (t/check-var #’ranged-rand)))
>
>
>
> But that leverages a private function / implementation detail and doesn’t
> handle :failed-on very nicely:
>
>
>
> boot.user=> (#'s/explain-out (:result (t/check-var #'ranged-rand)))
>
> val: {:args {:start -3, :end 1}, :ret -5} fails predicate: (>= (:ret %)
> (-> % :args :start))
>
> :failed-on :fn
>
>
>
> When you run-all-tests you get the non-pretty-printed version as a
> hard-to-read blob of text on stdout and a bare pass/fail map result. Having
> that text formatted via something like explain-out would be a big help for
> usability when testing. Having that function exposed publicly would be a
> nice convenience for other tooling to build on top of clojure.spec.test.
>
>
>
> We can pass :reporter-fn to check-var / check-fn, but we run-all-tests
> just passes println in and calls (prn ret) on the result of check-var so we
> have no control over that output.
>
>
>
> Sean Corfield -- (904) 302-SEAN
> An Architect's View -- http://corfield.org/
>
> "If you're not annoying somebody, you're not really alive."
> -- Margaret Atwood
>
>
>
> On 6/16/16, 6:33 AM, "Alex Miller" <[email protected] on behalf of
> [email protected]> wrote:
>
>
>
> You haven't pretty-printed it to look very nice, but I think all of the
> same information (and more due to shrinking) is still in the check-var
> output. I don't know of any plan to add what you're asking for beyond
> what's below.
>
>
>
> {:result
>
> {:clojure.spec/problems
>
> {[]
>
> {*:pred* *(>= (:ret %) (-> % :args :start))*,
>
> *:val* *{:args {:start -1, :end 2}, :ret -2}*,
>
> :via [],
>
> :in []}},
>
> * :failed-on :fn*},
>
> :seed 1466016600676,
>
> :failing-size 4,
>
> :num-tests 5,
>
> :fail [(-1 2)],
>
> :shrunk
>
> {:total-nodes-visited 5,
>
> :depth 1,
>
> :result
>
> {:clojure.spec/problems
>
> {[]
>
> {:pred (>= (:ret %) (-> % :args :start)),
>
> :val {:args {:start -1, :end 1}, :ret -2},
>
> :via [],
>
> :in []}},
>
> :failed-on :fn},
>
> :smallest [(-1 1)]}}
>
>
>
> On Wednesday, June 15, 2016 at 2:54:27 PM UTC-5, Sean Corfield wrote:
>
> Given that we now have to use clojure.spec.test to get :ret / :fn tested,
> we lose the “nice” exceptions explaining the conformance failure:
>
>
>
> Alpha 5:
>
>
>
> ;;=> ExceptionInfo Call to #'spec-example.core/ranged-rand did not conform
> to spec:
>
> ;;=> At: [:fn] val: {:args {:start 8, :end 10}, :ret 7} fails predicate:
> (>= (:ret %) (-> % :args :start))
>
> ;;=> :clojure.spec/args (8 10)
>
> ;;=> clojure.core/ex-info (core.clj:4617)
>
>
>
> Alpha 6:
>
>
>
> boot.user=> (t/check-var #'ranged-rand)
>
> {:result {:clojure.spec/problems {[] {:pred (>= (:ret %) (-> % :args
> :start)), :val {:args {:start -1, :end 2}, :ret -2}, :via [], :in []}},
> :failed-on :fn}, :seed 1466016600676, :failing-size 4, :num-tests 5, :fail
> [(-1 2)], :shrunk {:total-nodes-visited 5, :depth 1, :result
> {:clojure.spec/problems {[] {:pred (>= (:ret %) (-> % :args :start)), :val
> {:args {:start -1, :end 1}, :ret -2}, :via [], :in []}}, :failed-on :fn},
> :smallest [(-1 1)]}}
>
>
>
> Are there plans to provide an “explain” equivalent for this?
>
>
>
> Sean Corfield -- (904) 302-SEAN
> An Architect's View -- http://corfield.org/
>
> "If you're not annoying somebody, you're not really alive."
> -- Margaret Atwood
>
>
>
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