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spec.cljc
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spec.cljc
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(ns reitit.spec
(:require [clojure.spec.alpha :as s]
[clojure.spec.gen.alpha :as gen]
[reitit.core :as r]
[reitit.exception :as exception]))
;;
;; routes
;;
(s/def ::path (s/with-gen string? #(gen/fmap (fn [s] (str "/" s)) (s/gen string?))))
(s/def ::arg (s/and some? (complement sequential?)))
(s/def ::data (s/map-of keyword? any?))
(s/def ::result any?)
(s/def ::raw-route
(s/nilable
(s/cat :path ::path
:arg (s/? ::arg)
:childs (s/* (s/and (s/nilable ::raw-routes))))))
(s/def ::raw-routes
(s/or :route ::raw-route
:routes (s/coll-of ::raw-routes :into [])))
(s/def ::route
(s/cat :path ::path
:data ::data
:result (s/? any?)))
(s/def ::routes
(s/or :route ::route
:routes (s/coll-of ::route :into [])))
;;
;; Default data
;;
(s/def ::name keyword?)
(s/def ::handler fn?)
(s/def ::no-doc boolean?)
(s/def ::conflicting boolean?)
(s/def ::default-data
(s/keys :opt-un [::name ::handler ::no-doc ::conflicting]))
;;
;; router
;;
(s/def ::router r/router?)
(s/def :reitit.router/path ::path)
(s/def :reitit.router/routes ::routes)
(s/def :reitit.router/data ::data)
(s/def :reitit.router/expand fn?)
(s/def :reitit.router/coerce fn?)
(s/def :reitit.router/compile fn?)
(s/def :reitit.router/conflicts (s/nilable fn?))
(s/def :reitit.router/router fn?)
(s/def ::opts
(s/nilable
(s/keys :opt-un [:reitit.router/path
:reitit.router/routes
:reitit.router/data
:reitit.router/expand
:reitit.router/coerce
:reitit.router/compile
:reitit.router/conflicts
:reitit.router/router])))
(s/fdef r/router
:args (s/or :1arity (s/cat :data (s/spec ::raw-routes))
:2arity (s/cat :data (s/spec ::raw-routes), :opts ::opts))
:ret ::router)
;;
;; coercion
;;
(s/def :reitit.core.coercion/coercion any?)
(s/def :reitit.core.coercion/model any?)
(s/def :reitit.core.coercion/query :reitit.core.coercion/model)
(s/def :reitit.core.coercion/body :reitit.core.coercion/model)
(s/def :reitit.core.coercion/form :reitit.core.coercion/model)
(s/def :reitit.core.coercion/header :reitit.core.coercion/model)
(s/def :reitit.core.coercion/path :reitit.core.coercion/model)
(s/def :reitit.core.coercion/parameters
(s/keys :opt-un [:reitit.core.coercion/query
:reitit.core.coercion/body
:reitit.core.coercion/form
:reitit.core.coercion/header
:reitit.core.coercion/path]))
(s/def ::parameters
(s/keys :opt-un [:reitit.core.coercion/coercion
:reitit.core.coercion/parameters]))
(s/def :reitit.core.coercion/status
(s/or :number number? :default #{:default}))
(s/def :reitit.core.coercion/body any?)
(s/def :reitit.core.coercion/description string?)
(s/def :reitit.core.coercion/response
(s/keys :opt-un [:reitit.core.coercion/body
:reitit.core.coercion/description]))
(s/def :reitit.core.coercion/responses
(s/map-of :reitit.core.coercion/status :reitit.core.coercion/response))
(s/def ::responses
(s/keys :opt-un [:reitit.core.coercion/coercion
:reitit.core.coercion/responses]))
;;
;; Route data validator
;;
(defrecord Problem [path scope data spec problems])
(defn validate-route-data [routes wrap spec]
(let [spec (wrap spec)
spec-explain (fn [[p d _]]
(when-let [problems (and spec (s/explain-data spec d))]
(->Problem p nil d spec problems)))
errors (into [] (keep spec-explain) routes)]
(when (pos? (count errors)) errors)))
(defn validate [routes {:keys [spec] ::keys [wrap] :or {spec ::default-data, wrap identity}}]
(when-let [problems (validate-route-data routes wrap spec)]
(exception/fail!
::invalid-route-data
{:problems problems})))
(defmethod exception/format-exception :reitit.spec/invalid-route-data [_ _ {:keys [problems]}]
(apply str "Invalid route data:\n\n"
(mapv
(fn [{:keys [path scope data spec]}]
(str "-- On route -----------------------\n\n"
(pr-str path) (if scope (str " " (pr-str scope))) "\n\n"
(pr-str data) "\n\n"
(s/explain-str spec data) "\n"))
problems)))