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+;;; Guix --- Nix package management from Guile.         -*- coding: utf-8 -*-
+;;; Copyright (C) 2012 Ludovic Courtès <ludo@gnu.org>
+;;;
+;;; This file is part of Guix.
+;;;
+;;; 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.
+;;;
+;;; 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 Guix.  If not, see <http://www.gnu.org/licenses/>.
+
+(define-module (test-base32)
+  #:use-module (guix base32)
+  #:use-module (guix utils)
+  #:use-module (srfi srfi-1)
+  #:use-module (srfi srfi-64)
+  #:use-module (ice-9 rdelim)
+  #:use-module (ice-9 popen)
+  #:use-module (rnrs bytevectors)
+  #:use-module (rnrs io ports))
+
+;; Test the (guix base32) module.
+
+(define %nix-hash
+  (or (getenv "NIX_HASH")
+      "nix-hash"))
+
+(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"))))
+
+;; The following tests requires `nix-hash' in $PATH.
+(test-skip (if (false-if-exception (system* %nix-hash "--version"))
+               0
+               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)
+
+
+(exit (= (test-runner-fail-count (test-runner-current)) 0))
+
+;;; Local Variables:
+;;; eval: (put 'test-assert 'scheme-indent-function 1)
+;;; End: