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;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2012, 2013, 2015 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-base32)
#:use-module (gcrypt 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)
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