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" <clojure@googlegroups.com on behalf of
a...@puredanger.com> 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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