check
macrov1.9
cljs.spec.test/check
(check [] [sym-or-syms] [sym-or-syms opts])Run generative tests for spec conformance on vars named by
sym-or-syms, a symbol or collection of symbols. If sym-or-syms
is not specified, check all checkable vars. If a symbol identifies a
namespace then all symbols in that namespace will be enumerated.
The opts map includes the following optional keys, where stc
aliases clojure.test.check:
::stc/opts opts to flow through test.check/quick-check
:gen map from spec names to generator overrides
The ::stc/opts include :num-tests in addition to the keys
documented by test.check. Generator overrides are passed to
spec/gen when generating function args.
Returns a lazy sequence of check result maps with the following
keys
:spec the spec tested
:sym optional symbol naming the var tested
:failure optional test failure
::stc/ret optional value returned by test.check/quick-check
The value for :failure can be any exception. Exceptions thrown by
spec itself will have an ::s/failure value in ex-data:
:check-failed at least one checked return did not conform
:no-args-spec no :args spec provided
:no-fn no fn provided
:no-fspec no fspec provided
:no-gen unable to generate :args
:instrument invalid args detected by instrument
Examples
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