24 lines
1.1 KiB
Text
24 lines
1.1 KiB
Text
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(ns expound.print-length-test
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(:require [clojure.test :as ct :refer [is deftest testing]]
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[clojure.spec.alpha :as s]
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[expound.alpha]
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[clojure.string :as string]))
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(def the-value (range 10))
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;; Fails on the last element of the range
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(def the-spec (s/coll-of #(< % 9)))
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(def the-explanation (s/explain-data the-spec the-value))
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(deftest print-length-test
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(testing "Expound works even in face of a low `*print-length*` and `*print-level*`, without throwing exceptions.
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See https://github.com/bhb/expound/issues/217"
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(doseq [length [1 5 100 *print-length*]
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level [1 5 100 *print-level*]
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;; Note that the `is` resides outside of the `binding`. Else test output itself can be affected.
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:let [v (binding [*print-length* length
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*print-level* level]
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(with-out-str
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(expound.alpha/printer the-explanation)))]]
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;; Don't make a particularly specific test assertion, since a limited print-length isn't necessarily realistic/usual:
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(is (not (string/blank? v))))))
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