(ns glimmer-vidya.test-runner
  "Entry point for `jolt -M:test`. Requires each test namespace, runs
  clojure.test against it, and exits non-zero if anything failed.

  The suite is headless. It links libvidya and builds real node trees through
  the FFI, but never opens a window: only `vidya_tree_frame` needs a GL
  surface, so no display is involved."
  (:require [clojure.test :as t]))

;; Surface full causes on :error — the default report swallows the throwable.
(defmethod t/report :error [m]
  (t/with-test-out
    (t/inc-report-counter :error)
    (println "\nERROR in" (t/testing-vars-str m))
    (when (seq t/*testing-contexts*) (println (t/testing-contexts-str)))
    (when-let [message (:message m)] (println message))
    (when-let [e (:actual m)]
      (if (instance? Throwable e)
        (do (println "  ->" (.getName (class e)) ":" (ex-message e))
            (when-let [d (ex-data e)] (prn d)))
        (prn e)))))

(defn- exit [code]
  (cond
    (resolve 'jolt.host/exit) ((resolve 'jolt.host/exit) code)
    (resolve 'System/exit)    ((resolve 'System/exit) code)
    :else nil))

(defn -main [& _]
  (let [namespaces '[glimmer-vidya.backend-test]]
    (doseq [ns namespaces]
      (try (require ns :reload)
           (catch Exception e
             (println "ERROR requiring" ns ":" (ex-message e)))))
    (let [results (apply t/run-tests namespaces)
          failed (+ (:fail results 0) (:error results 0))]
      (println "----")
      (println "tests:" (:test results 0)
               "assertions:" (:pass results 0) "passed /"
               failed "failed")
      (when (pos? failed) (exit 1)))))