;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2012, 2013, 2015 Ludovic Courtès <ludo@gnu.org>
;;;
;;; This file is part of GNU Guix.
;;;
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;;; under the terms of the GNU General Public License as published by
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;;; your option) any later version.
;;;
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;;; 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-base32)
  #:use-module (guix hash)
  #:use-module (guix base32)
  #:use-module (guix utils)
  #:use-module (srfi srfi-1)
  #:use-module (srfi srfi-34)
  #:use-module (srfi srfi-64)
  #:use-module (ice-9 rdelim)
  #:use-module (ice-9 popen)
  #:use-module (ice-9 match)
  #:use-module (rnrs bytevectors)
  #:use-module (rnrs io ports))

;; Test the (guix base32) module.

(define %nix-hash
  (or (and=> (getenv "NIX_HASH")
             (match-lambda
              ("" #f)
              (val val)))
      "nix-hash"))

(define %have-nix-hash?
  ;; Note: Use `system', not `system*', because of <http://bugs.gnu.org/13166>.
  (false-if-exception
   (zero? (system (string-append %nix-hash " --version")))))

(test-begin "base32")

(test-assert "bytevector->base32-string"
  (fold (lambda (bv expected result)
          (and result
               (string=? (bytevector->base32-string bv)
                         expected)))
        #t

        ;; Examples from RFC 4648.
        (map string->utf8 '("" "f" "fo" "foo" "foob" "fooba" "foobar"))
        '(""
          "my"
          "mzxq"
          "mzxw6"
          "mzxw6yq"
          "mzxw6ytb"
          "mzxw6ytboi")))

(test-assert "base32-string->bytevector"
  (every (lambda (bv)
           (equal? (base32-string->bytevector
                    (bytevector->base32-string bv))
                   bv))
         ;; Examples from RFC 4648.
         (map string->utf8 '("" "f" "fo" "foo" "foob" "fooba" "foobar"))))

(test-assert "nix-base32-string->bytevector"
  (every (lambda (bv)
           (equal? (nix-base32-string->bytevector
                    (bytevector->nix-base32-string bv))
                   bv))
         ;; Examples from RFC 4648.
         (map string->utf8 '("" "f" "fo" "foo" "foob" "fooba" "foobar"))))

(test-equal "&invalid-base32-character"
  #\e
  (guard (c ((invalid-base32-character? c)
             (invalid-base32-character-value c)))
    (nix-base32-string->bytevector
     (string-append (make-string 51 #\a) "e"))))

;; The following test requires `nix-hash' in $PATH.
(unless %have-nix-hash?
  (test-skip 1))

(test-assert "sha256 & bytevector->nix-base32-string"
  (let ((file (search-path %load-path "tests/test.drv")))
    (equal? (bytevector->nix-base32-string
             (sha256 (call-with-input-file file get-bytevector-all)))
            (let* ((c (format #f "~a --type sha256 --base32 --flat \"~a\""
                              %nix-hash file))
                   (p (open-input-pipe c))
                   (l (read-line p)))
              (close-pipe p)
              l))))

(test-end)
ate to 4.2.1.</a><span class='msg-avail'>...</span></td><td>Efraim Flashner</td></tr>
<tr><td><span title='2017-12-10 23:00:42 +0200'>2017-12-10</span></td><td><a href='/guix/commit/gnu/packages/gawk.scm?id=173c6ec8a391dee9d7b38a20370e48a4a05288d0'>Revert "gnu: gawk: Update to 4.2.0."</a><span class='msg-avail'>...</span></td><td>Efraim Flashner</td></tr>
<tr><td><span title='2017-12-10 11:21:43 +0200'>2017-12-10</span></td><td><a href='/guix/commit/gnu/packages/gawk.scm?id=78cd051eef9e25a6993478619d2bdb2db60565a6'>gnu: gawk: Update to 4.2.0.</a><span class='msg-avail'>...</span></td><td>Efraim Flashner</td></tr>
<tr><td><span title='2017-03-30 22:59:53 +0200'>2017-03-30</span></td><td><a href='/guix/commit/gnu/packages/gawk.scm?id=84157bb8bf2c610584e0836047da4c710f8eaf76'>Merge branch 'master' into core-updates</a><span class='msg-avail'>...</span></td><td>Marius Bakke</td></tr>
<tr><td><span title='2017-03-30 01:30:16 +0200'>2017-03-30</span></td><td><a href='/guix/commit/gnu/packages/gawk.scm?id=6fd52309b8f52c9bb59fccffac53e029ce94b698'>gnu: Use HTTPS for almost all gnu.org HOME-PAGEs.</a><span class='msg-avail'>...</span></td><td>Tobias Geerinckx-Rice</td></tr>