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;;; Test the Info engine.                        -*- Scheme -*-
;;;
;;; Copyright (C) 2012  Ludovic Courtès <ludo@gnu.org>
;;;
;;; This file is part of Skribilo.
;;;
;;; Skribilo is free software; you can redistribute it and/or modify it
;;; under the terms of the GNU General Public License as published by
;;; the Free Software Foundation; either version 3 of the License, or (at
;;; your option) any later version.
;;;
;;; Skribilo is distributed in the hope that it will be useful, but
;;; WITHOUT ANY WARRANTY; without even the implied warranty of
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser
;;; General Public License for more details.
;;;
;;; You should have received a copy of the GNU General Public License
;;; along with this program.  If not, see <http://www.gnu.org/licenses/>.

(define-module (tests engines info)
  :use-module (skribilo ast)
  :use-module (skribilo engine)
  :use-module (skribilo resolve)
  :use-module (skribilo package base)
  :use-module (srfi srfi-1)
  :use-module (srfi srfi-11)
  :use-module (srfi srfi-64))

(define %info
  (find-engine 'info))

(define node-next+prev+up
  (@@ (skribilo engine info) node-next+prev+top))


(test-begin "info")

(test-assert "empty document"
  (let*-values (((doc) (document #:title "t"))
                ((next prev up) (node-next+prev+up doc %info)))
    (and (equal? next "Top")
         (equal? prev "(dir)")
         (equal? up "(dir)"))))

(test-assert "two chapters"
  (let ((doc (document #:title "t"
                       (chapter #:title "c" "body")
                       (chapter #:title "d" "body"))))
    (resolve! doc %info '())
    (let-values (((next prev up) (node-next+prev+up doc %info)))
      (and (equal? up "(dir)")
           (equal? prev "(dir)")
           (equal? next "c")
           (let*-values (((ch) (car (markup-body doc)))
                         ((next prev up) (node-next+prev+up ch %info)))
             (and (equal? up "Top")
                  (equal? prev "Top")
                  (equal? next "d")))
           (let*-values (((ch) (cadr (markup-body doc)))
                         ((next prev up) (node-next+prev+up ch %info)))
             (and (equal? up "Top")
                  (equal? prev "c")
                  (not next)))))))

(test-assert "nest"
  (let ((doc (document #:title "t"
                       "hello"
                       (chapter #:ident "c" #:title "c"
                                (p "body")
                                (section #:ident "s" #:title "s" "body"))
                       (chapter #:ident "d" #:title "d" "body"))))
    (resolve! doc %info '())
    (and (let*-values (((ch) (document-lookup-node doc "c"))
                       ((next prev up) (node-next+prev+up ch %info)))
           (and (equal? up "Top")
                (equal? prev "Top")
                (equal? next "d")))
         (let*-values (((sec) (document-lookup-node doc "s"))
                       ((next prev up) (node-next+prev+up sec %info)))
           (and (equal? up "c")
                (not prev)
                (not next)))
         (let*-values (((sec) (document-lookup-node doc "d"))
                       ((next prev up) (node-next+prev+up sec %info)))
           (and (equal? up "Top")
                (equal? prev "c")
                (not next))))))

(test-end "info")


(exit (= (test-runner-fail-count (test-runner-current)) 0))

;; Local Variables:
;; coding: utf-8
;; eval: (put 'test-assert 'scheme-indent-function 1)
;; End: