;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2015, 2017, 2018, 2019 Ludovic Courtès <ludo@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-uuid)
  #:use-module (gnu system uuid)
  #:use-module (srfi srfi-64)
  #:use-module (rnrs bytevectors))

(test-begin "uuid")

(test-equal "uuid->string"
  "c5307e6b-d1ba-499d-89c5-cb0b143577c4"
  (uuid->string
   #vu8(197 48 126 107 209 186 73 157 137 197 203 11 20 53 119 196)))

(test-equal "string->uuid"
  '(16 "4dab5feb-d176-45de-b287-9b0a6e4c01cb")
  (let ((uuid (string->uuid "4dab5feb-d176-45de-b287-9b0a6e4c01cb")))
    (list (bytevector-length uuid) (uuid->string uuid))))

(test-assert "uuid"
  (let ((str "4dab5feb-d176-45de-b287-9b0a6e4c01cb"))
    (bytevector=? (uuid-bytevector
                   (uuid "4dab5feb-d176-45de-b287-9b0a6e4c01cb"))
                  (string->uuid "4dab5feb-d176-45de-b287-9b0a6e4c01cb"))))

(test-assert "uuid, syntax error"
  (catch 'syntax-error
    (lambda ()
      (eval '(uuid "foobar") (current-module))
      #f)
    (lambda (key proc message location form . args)
      (and (eq? proc 'uuid)
           (string-contains message "invalid UUID")
           (equal? form '(uuid "foobar" 'dce))))))

(test-equal "uuid, ISO-9660, format preserved"
  "1970-01-01-17-14-42-99"
  (uuid->string (uuid "1970-01-01-17-14-42-99" 'iso9660)))

(test-equal "uuid, FAT32, format preserved"
  "1234-ABCD"
  (uuid->string (uuid "1234-abcd" 'fat32)))

(test-equal "uuid, FAT32, leading zeros preserved"
  "00CA-050E"                                    ;<https://bugs.gnu.org/35582>
  (uuid->string (uuid "00CA-050E" 'fat32)))

(test-assert "uuid, dynamic value"
  (let* ((good "4dab5feb-d176-45de-b287-9b0a6e4c01cb")
         (bad  (string-drop good 3)))
    (and (uuid? (uuid good))
         (string=? good (uuid->string (uuid good)))
         (not (uuid bad)))))

(test-assert "uuid=?"
  (and (uuid=? (uuid-bytevector (uuid "1234-abcd" 'fat32))
               (uuid "1234-abcd" 'fat32))
       (uuid=? (uuid "1234-abcd" 'fat32)
               (uuid "1234-abcd" 'fat))))

(test-end)
sg-tooltip'>Ported by Ludovic Courtès &lt;ludo@gnu.org&gt;
from &lt;https://github.com/NixOS/nix/commit/a2c4fcd5e9782dc8d2998773380c7171ee53b813&gt;.

* nix/libstore/gc.cc (LocalStore::removeUnusedLinks): Use 'st.st_size'
instead of 'st.st_blocks * 512'.
* nix/libutil/util.cc (_deletePath): Likewise.
</span></span></td><td>Eelco Dolstra</td></tr>
<tr><td><span title='2018-12-16 16:28:07 +0100'>2018-12-16</span></td><td><a href='/guix/commit/nix/libutil?id=8327e733966cc4a93dfaadd1a761ca1088078baa'>daemon: Use unbranded phrases in comments and messages.</a><span class='msg-avail'>...<span class='msg-tooltip'>* nix/libstore/build.cc, nix/libstore/globals.cc,
nix/libstore/gc.cc, nix/libstore/local-store.cc,
nix/libstore/optimise-store.cc, nix/libstore/store-api.cc,
nix/libutil/archive.cc, nix/nix-daemon/nix-daemon.cc: Replace "Nix
store" by "store", and "Nix daemon" by "build daemon".
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2018-10-02 23:08:30 +0200'>2018-10-02</span></td><td><a href='/guix/commit/nix/libutil?id=7eca7892014d173ff523417138b90aeff5b7dec1'>daemon: Remove "case hack" for nars.</a><span class='msg-avail'>...<span class='msg-tooltip'>This code has never been of any use in Guix.

* nix/libutil/archive.cc (useCaseHack): Remove.
(parse): Keep only the alternate branch in "if (useCaseHack)".
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2017-08-18 11:31:28 +0200'>2017-08-18</span></td><td><a href='/guix/commit/nix/libutil?id=ed464f48efd80e6439441d7a9f6d0e7988fb1272'>nix: Remove unused function.</a><span class='msg-avail'>...<span class='msg-tooltip'>* nix/libutil/util.hh:
* nix/libutil/util.cc (decodeOctalEscaped): Remove unused and buggy function.
</span></span></td><td>Andy Wingo</td></tr>
<tr><td><span title='2016-05-31 18:22:14 +0200'>2016-05-31</span></td><td><a href='/guix/commit/nix/libutil?id=75abbd0cbe2c42f07fa104f97bd206891eb576ef'>daemon: Remove unused XML output code.</a><span class='msg-avail'>...<span class='msg-tooltip'>* nix/local.mk (libutil_a_SOURCES): Remove libutil/xml-writer.cc.
(libutil_headers): Remove libutil/xml-writer.hh.
* nix/libutil/xml-writer.hh, nix/libutil/xml-writer.cc: Remove.
</span></span></td><td>Ludovic Courtès</td></tr>