The modified version works for me, so not sure what you're seeing.
$ clj
Clojure 1.10.0
user=>
(ns issue
(:require [clojure.test :as t]
[clojure.spec.alpha :as s]
[clojure.spec.test.alpha :as st]))
nil
issue=>
(s/def ::boolean-supplier
(s/fspec
:args (s/cat)
:ret boolean?))
:issue/boolean-supplier
issue=>
(defn make-fn [boolean-supplier]
(fn []
(boolean-supplier)))
#'issue/make-fn
issue=>
(s/fdef make-fn
:args (s/cat :supplier ::boolean-supplier))
issue/make-fn
issue=>
(t/deftest issue
(t/testing "issue demo"
(st/instrument)
(make-fn (fn [] true))))
#'issue/issue
issue=> (issue)
nil
On Thu, Jan 17, 2019 at 9:09 AM Josip Gracin <[email protected]> wrote:
> Thanks! I understand why my version is incorrect. However, I get the
> same error with the corrected spec.
>
> On Thursday, January 17, 2019 at 3:26:24 PM UTC+1, Alex Miller wrote:
>>
>> Your boolean-supplier should be:
>>
>> (s/def ::boolean-supplier
>> (s/fspec
>> :args (s/cat)
>> :ret boolean?))
>>
>>
>>
>> On Thursday, January 17, 2019 at 6:38:44 AM UTC-6, Josip Gracin wrote:
>>>
>>> Hi!
>>>
>>> The following test throws an exception when run using "lein test" and I
>>> can't figure out why.
>>>
>>> (ns issue
>>> (:require [clojure.test :as t]
>>> [clojure.spec.alpha :as s]
>>> [clojure.spec.test.alpha :as st]))
>>>
>>> (s/fdef ::boolean-supplier
>>> :args (s/cat)
>>> :ret boolean?)
>>>
>>> (defn make-fn [boolean-supplier]
>>> (fn []
>>> (boolean-supplier)))
>>>
>>> (s/fdef make-fn
>>> :args (s/cat :supplier ::boolean-supplier))
>>>
>>> (t/deftest issue
>>> (t/testing "issue demo"
>>> (st/instrument)
>>> (make-fn (fn [] true))))
>>>
>>> Here's the output of "lein test":
>>>
>>> $ lein test
>>>
>>> lein test issue
>>>
>>> lein test :only issue/issue
>>>
>>>
>>> ERROR in (issue) (Compiler.java:7647)
>>> Uncaught exception, not in assertion.
>>>
>>> expected: nil
>>>
>>> actual: clojure.lang.Compiler$CompilerException: Syntax error
>>> compiling at (clojure/test/check/clojure_test.cljc:95:1).
>>> #:clojure.error{:phase :compile-syntax-check, :line 95, :column 1,
>>> :source "clojure/test/check/clojure_test.cljc"}
>>> at clojure.lang.Compiler.load (Compiler.java:7647)
>>>
>>> clojure.lang.RT.loadResourceScript (RT.java:381)
>>> clojure.lang.RT.loadResourceScript (RT.java:372)
>>>
>>> clojure.lang.RT.load (RT.java:463)
>>> clojure.lang.RT.load (RT.java:428)
>>> ...
>>> Caused by: java.lang.ClassCastException: clojure.lang.AFunction$1 cannot
>>> be cast to clojure.lang.MultiFn
>>> at clojure.core$get_method.invokeStatic (core.clj:1817)
>>> clojure.core$get_method.invoke (core.clj:1817)
>>>
>>> clojure.test.check.clojure_test$eval1131.invokeStatic
>>> (clojure_test.cljc:95)
>>> clojure.test.check.clojure_test$eval1131.invoke
>>> (clojure_test.cljc:95)
>>> clojure.lang.Compiler.eval (Compiler.java:7176)
>>>
>>> clojure.lang.Compiler.load (Compiler.java:7635)
>>> ...
>>>
>>> Using Java 10.0.2 and the following dependencies:
>>>
>>> $ lein deps :tree
>>> [clojure-complete "0.2.5" :exclusions [[org.clojure/clojure]]]
>>> [nrepl "0.5.3" :exclusions [[org.clojure/clojure]]]
>>> [nrepl/bencode "1.0.0"]
>>> [org.clojure/clojure "1.10.0"]
>>> [org.clojure/core.specs.alpha "0.2.44"]
>>> [org.clojure/spec.alpha "0.2.176"]
>>> [org.clojure/test.check "0.9.0"]
>>>
>>> Any ideas?
>>>
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