pedestal-debug.clj

(require '[io.pedestal.http :as http]
  '[io.pedestal.test :refer [response-for]])
(let [*req (promise)
      service-fn (-> {::http/routes `#{["/contrast-agent/:arg" :get ~(fn [req]
                                                                       (deliver *req req)
                                                                       {:status 202})
                                        :route-name :debug]}}
                   http/default-interceptors
                   http/create-servlet
                   ::http/service-fn)]
  (response-for service-fn
    :get "http://localhost:7555/contrast-agent/Some%20Body")
  (select-keys  @*req [:uri :path-params]))
=> nil
[nREPL-session-c670a357-7391-47a5-a979-0ddfc95f625e] INFO io.pedestal.http - {:msg "GET /contrast-agent/Some%20Body", :line 80}
=> {:uri "/contrast-agent/Some%20Body", :path-params {:arg "Some%20Body"}}