Implemented middleware in a somewhat stateless fashion

test/skirmish/middleware/test_core.clj

@@ -2,3 +2,12 @@
   (:require [midje.sweet :refer :all]
             [skirmish.middleware.core :refer :all]))
 
+(defn all? [xf]
+  #(every? true? (sequence xf %)))
+
+(facts "we should have a async/chan base middleware for developing."
+  (fact "It should exchanges for each security in the config"
+    (let [config {:securities [{:sec-id :molly} {:sec-id :pepper}]}
+          exchanges (create-exchange-apis-for config)]
+      (keys exchanges) => [:molly :pepper]
+      (vals exchanges) => #(every? map? %))))