;;; tests.el --- tests for i-ching.el -*- coding: utf-8; lexical-binding: t -*-

;; some simple tests...

(require 'i-ching)

(ert-deftest i-ching-qrnd ()
  (should (numberp (i-ching-q64)))
  (should (< 0 (i-ching-q64)))
  (should (>= 64 (i-ching-q64))))

(ert-deftest i-ching-rrnd ()
  (should (numberp (i-ching-r64)))
  (should (< 0 (i-ching-r64)))
  (should (>= 64 (i-ching-r64))))

(ert-deftest i-ching-random ()
  (should (numberp (i-ching-random 'quantum)))
  (should (numberp (i-ching-random 'atmospheric)))
  (should (numberp (i-ching-random 'pseudo))))

(ert-deftest i-ching-n2h ()
  (should (string= "䷁" (i-ching-number-to-hexagram 2)))
  (should (string= "䷩" (i-ching-number-to-hexagram 42)))
  (should (string= nil (i-ching-number-to-hexagram 65))))

(ert-deftest i-ching-h2n ()
  (should (eql 2 (i-ching-hexagram-to-number "䷁")))
  (should (eql 40 (i-ching-hexagram-to-number "䷧")))
  (should-not (i-ching-hexagram-to-number "NOT")))

(ert-deftest i-ching-b2h ()
  (string= "䷧" (i-ching-binary-to-hexagram #b010100)))


(ert-deftest i-ching-names ()
  (should-not (i-ching-number-to-name 65))
  (should (string= "HEXAGRAM FOR BEFORE COMPLETION"
                   (i-ching-number-to-unicode-name 64)))
  (should (string= "Before Completion"
                   (i-ching-number-to-name 64))))

(ert-deftest i-ching-descriptions ()
 (should (stringp (i-ching-number-to-description 43)))
 (should (stringp (i-ching-number-to-judgment 27)))
 (should (stringp (i-ching-number-to-image 13)))
 (should-not (stringp (i-ching-number-to-description 65)))
 (should-not (stringp (i-ching-number-to-judgment 65)))
 (should-not (stringp (i-ching-number-to-image 65))))

(ert-deftest i-ching-all-descriptions ()
  (dotimes (i 63)
    (should-not (seq-empty-p (i-ching-number-to-unicode-name (1+ i))))
    (should-not (seq-empty-p (i-ching-number-to-description (1+ i))))
    (should-not (seq-empty-p (i-ching-number-to-judgment (1+ i))))
    (should-not (seq-empty-p (i-ching-number-to-image (1+ i))))
    (should-not (seq-empty-p (i-ching-number-to-name (1+ i))))
    (should (stringp (i-ching-number-to-unicode-name (1+ i))))
    (should (stringp (i-ching-number-to-description (1+ i))))
    (should (stringp (i-ching-number-to-judgment (1+ i))))
    (should (stringp (i-ching-number-to-image (1+ i))))
    (should (stringp (i-ching-number-to-name (1+ i))))))

(ert-deftest i-ching-interprets ()
   (should (stringp (i-ching-interpretation 49)))
   (should-not (seq-empty-p  (i-ching-interpretation 49))))

(ert-deftest i-ching-queries ()
   (should (stringp (i-ching-query-string)))
   (should (stringp (i-ching-query-string '3-coins))))

(ert-deftest i-ching-castings ()
  (should (stringp (i-ching-cast 'yarrow-stalks)))
  (should (stringp (i-ching-cast '3-coins)))
  (should (stringp (i-ching-cast))))

;; (i-ching-query '6-bit)
;; (i-ching-query '3-coins)
;; (i-ching-query 'yarrow-stalks)

;; interactive testing

(ert-deftest i-ching-query-6bit ()
  (should (with-simulated-input
              "testing SPC circumstances RET"
            (i-ching-query '6-bit))))

(ert-deftest i-ching-query-3coin ()
  (should (with-simulated-input
              "testing SPC circumstances RET"
            (i-ching-query '3-coins))))

(ert-deftest i-ching-query-yarrow ()
  (should (with-simulated-input
              "testing SPC circumstances RET"
            (i-ching-query 'yarrow-stalks))))

;; run them...

(ert t)

;;; tests.el ends here