;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2012, 2013, 2014, 2015, 2016, 2017, 2018 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2014 Eric Bavier <bavier@member.fsf.org>
;;; Copyright © 2016 Mathieu Lirzin <mthl@gnu.org>
;;;
;;; This file is part of GNU Guix.
;;;
;;; GNU Guix 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.
;;;
;;; GNU Guix 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 General Public License for more details.
;;;
;;; You should have received a copy of the GNU General Public License
;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.

(define-module (test-utils)
  #:use-module ((gui</td></tr></table>
<table class='tabs'><tr><td>
<a href='/guix/about/'>about</a><a href='/guix/'>summary</a><a href='/guix/refs/?id=70b02a6a6a329c6a6f95be4e0af3ebdb0dfb726c'>refs</a><a href='/guix/log/doc'>log</a><a href='/guix/tree/doc?id=70b02a6a6a329c6a6f95be4e0af3ebdb0dfb726c'>tree</a><a href='/guix/commit/doc?id=70b02a6a6a329c6a6f95be4e0af3ebdb0dfb726c'>commit</a><a class='active' href='/guix/diff/doc?id=70b02a6a6a329c6a6f95be4e0af3ebdb0dfb726c'>diff</a></td><td class='form'><form class='right' method='get' action='/guix/log/doc'>
<input type='hidden' name='id' value='70b02a6a6a329c6a6f95be4e0af3ebdb0dfb726c'/><select name='qt'>
<option value='grep'>log msg</option>
<option value='author'>author</option>
<option value='committer'>committer</option>
<option value='range'>range</option>
</select>
<input class='txt' type='search' size='10' name='q' value=''/>
<input type='submit' value='search'/>
</form>
</td></tr></table>
<div class='path'>path: <a href='/guix/diff/?id=70b02a6a6a329c6a6f95be4e0af3ebdb0dfb726c'>root</a>/<a href='/guix/diff/doc?id=70b02a6a6a329c6a6f95be4e0af3ebdb0dfb726c'>doc</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='id' value='70b02a6a6a329c6a6f95be4e0af3ebdb0dfb726c'/><table><tr><td colspan='2'/></tr><tr><td class='label'>context:</td><td class='ctrl'><select name='context' onchange='this.form.submit();'><option value='1'>1</option><option value='2'>2</option><option value='3' selected='selected'>3</option><option value='4'>4</option><option value='5'>5</option><option value='6'>6</option><option value='7'>7</option><option value='8'>8</option><option value='9'>9</option><option value='10'>10</option><option value='15'>15</option><option value='20'>20</option><option value='25'>25</option><option value='30'>30</option><option value='35'>35</option><option value='40'>40</option></select></td></tr><tr><td class='label'>space:</td><td class='ctrl'><select name='ignorews' onchange='this.form.submit();'><option value='0' selected='selected'>include</option><option value='1'>ignore</option></select></td></tr><tr><td class='label'>mode:</td><td class='ctrl'><select name='dt' onchange='this.form.submit();'><option value='0' selected='selected'>unified</option><option value='1'>ssdiff</option><option value='2'>stat only</option></select></td></tr><tr><td/><td class='ctrl'><noscript><input type='submit' value='reload'/></noscript></td></tr></table></form></div><div class='diffstat-header'><a href='/guix/diff/?id=70b02a6a6a329c6a6f95be4e0af3ebdb0dfb726c'>Diffstat</a> (limited to 'doc')</div><table summary='diffstat' class='diffstat'></table><div class='diffstat-summary'>0 files changed, 0 insertions, 0 deletions</div><table summary='diff' class='diff'><tr><td></td></tr></table></div> <!-- class=content -->
                         <div class=footer>generated by
                             <a href="https://git.zx2c4.com/cgit/about/">
                                 cgit
                             </a>
                         </div>
                        </div> <!-- id=cgit -->
</body>
</html>
:foo 42))))

(test-equal "default-keyword-arguments"
  '((#:foo 2)
    (#:foo 2)
    (#:foo 2 #:bar 3)
    (#:foo 2 #:bar 3)
    (#:foo 2 #:bar 3))
  (list (default-keyword-arguments '() '(#:foo 2))
        (default-keyword-arguments '(#:foo 2) '(#:foo 4))
        (default-keyword-arguments '() '(#:bar 3 #:foo 2))
        (default-keyword-arguments '(#:bar 3) '(#:foo 2))
        (default-keyword-arguments '(#:foo 2 #:bar 3) '(#:bar 6))))

(test-equal "substitute-keyword-arguments"
  '((#:foo 3)
    (#:foo 3)
    (#:foo 3 #:bar (1 2))
    (#:bar (1 2) #:foo 3)
    (#:foo 3))
  (list (substitute-keyword-arguments '(#:foo 2)
          ((#:foo f) (1+ f)))
        (substitute-keyword-arguments '()
          ((#:foo f 2) (1+ f)))
        (substitute-keyword-arguments '(#:foo 2 #:bar (2))
          ((#:foo f) (1+ f))
          ((#:bar b) (cons 1 b)))
        (substitute-keyword-arguments '(#:foo 2)
          ((#:foo _) 3)
          ((#:bar b '(2)) (cons 1 b)))
        (substitute-keyword-arguments '(#:foo 2)
          ((#:foo f 1) (1+ f))
          ((#:bar b) (cons 42 b)))))

(test-assert "filtered-port, file"
  (let* ((file  (search-path %load-path "guix.scm"))
         (input (open-file file "r0b")))
    (let*-values (((compressed pids1)
                   (filtered-port `(,%gzip "-c" "--fast") input))
                  ((decompressed pids2)
                   (filtered-port `(,%gzip "-d") compressed)))
      (and (every (compose zero? cdr waitpid)
                  (append pids1 pids2))
           (equal? (get-bytevector-all decompressed)
                   (call-with-input-file file get-bytevector-all))))))

(test-assert "filtered-port, non-file"
  (let ((data (call-with-input-file (search-path %load-path "guix.scm")
                get-bytevector-all)))
    (let*-values (((compressed pids1)
                   (filtered-port `(,%gzip "-c" "--fast")
                                  (open-bytevector-input-port data)))
                  ((decompressed pids2)
                   (filtered-port `(,%gzip "-d") compressed)))
      (and (pk (every (compose zero? cdr waitpid)
                   (append pids1 pids2)))
           (equal? (get-bytevector-all decompressed) data)))))

(test-assert "filtered-port, does not exist"
  (let* ((file  (search-path %load-path "guix.scm"))
         (input (open-file file "r0b")))
    (let-values (((port pids)
                  (filtered-port '("/does/not/exist") input)))
      (any (compose (negate zero?) cdr waitpid)
           pids))))

(test-assert "compressed-port, decompressed-port, non-file"
  (let ((data (call-with-input-file (search-path %load-path "guix.scm")
                get-bytevector-all)))
    (let*-values (((compressed pids1)
                   (compressed-port 'xz (open-bytevector-input-port data)))
                  ((decompressed pids2)
                   (decompressed-port 'xz compressed)))
      (and (every (compose zero? cdr waitpid)
                  (append pids1 pids2))
           (equal? (get-bytevector-all decompressed) data)))))

(false-if-exception (delete-file temp-file))
(test-assert "compressed-output-port + decompressed-port"
  (let* ((file (search-path %load-path "guix/derivations.scm"))
         (data (call-with-input-file file get-bytevector-all))
         (port (open-file temp-file "w0b")))
    (call-with-compressed-output-port 'xz port
      (lambda (compressed)
        (put-bytevector compressed data)))
    (close-port port)

    (bytevector=? data
                  (call-with-decompressed-port 'xz (open-file temp-file "r0b")
                    get-bytevector-all))))

;; This is actually in (guix store).
(test-equal "store-path-package-name"
  "bash-4.2-p24"
  (store-path-package-name
   (string-append (%store-prefix)
                  "/qvs2rj2ia5vci3wsdb7qvydrmacig4pg-bash-4.2-p24")))

(test-equal "canonical-newline-port"
  "This is a journey\nInto the sound\nA journey ...\n"
  (let ((port (open-string-input-port
               "This is a journey\r\nInto the sound\r\nA journey ...\n")))
    (get-string-all (canonical-newline-port port))))


(test-equal "edit-expression"
  "(display \"GNU Guix\")\n(newline)\n"
  (begin
    (call-with-output-file temp-file
      (lambda (port)
        (display "(display \"xiuG UNG\")\n(newline)\n" port)))
    (edit-expression `((filename . ,temp-file)
                       (line     . 0)
                       (column   . 9))
                     string-reverse)
    (call-with-input-file temp-file get-string-all)))

(test-end)

(false-if-exception (delete-file temp-file))