;;; GNU Guix --- Functional package management for GNU ;;; Copyright © 2013, 2014 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-hash) #:use-module (guix hash) #:use-module (guix utils) #:use-module (srfi srfi-1) #:use-module (srfi srfi-11) #:use-module (srfi srfi-64) #:use-module (rnrs bytevectors) #:use-module (rnrs io ports)) ;; Test the (guix hash) module. (define %empty-sha256 ;; SHA256 hash of the empty string. (base16-string->bytevector "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855")) (define %hello-sha256 ;; SHA256 hash of "hello world" (base16-string->bytevector "b94d27b9934d3e08a52e52d7da7dabfac484efe37a5380ee9088f7ace2efcde9")) (define (supports-unbuffered-cbip?) "Return #t if unbuffered custom binary input ports (CBIPs) are supported. In Guile <= 2.0.9, CBIPs were always fully buffered, so the 'open-sha256-input-port' does not work there." (false-if-exception (setvbuf (make-custom-binary-input-port "foo" pk #f #f #f) _IONBF))) (test-begin "hash") (test-equal "sha256, empty" %empty-sha256 (sha256 #vu8())) (test-equal "sha256, hello" %hello-sha256 (sha256 (string->utf8 "hello world"))) (test-equal "open-sha256-port, empty" %empty-sha256 (let-values (((port get) (open-sha256-port))) (close-port port) (get))) (test-equal "open-sha256-port, hello" %hello-sha256 (let-values (((port get) (open-sha256-port))) (put-bytevector port (string->utf8 "hello world")) (get))) (test-assert "port-sha256" (let* ((file (search-path %load-path "ice-9/psyntax.scm")) (size (stat:size (stat file))) (contents (call-with-input-file file get-bytevector-all))) (equal? (sha256 contents) (call-with-input-file file port-sha256)))) (test-skip (if (supports-unbuffered-cbip?) 0 4)) (test-equal "open-sha256-input-port, empty" `("" ,%empty-sha256) (let-values (((port get) (open-sha256-input-port (open-string-input-port "")))) (let ((str (get-string-all port))) (list str (get))))) (test-equal "open-sha256-input-port, hello" `("hello world" ,%hello-sha256) (let-values (((port get) (open-sha256-input-port (open-bytevector-input-port (string->utf8 "hello world"))))) (let ((str (get-string-all port))) (list str (get))))) (test-equal "open-sha256-input-port, hello, one two" (list (string->utf8 "hel") (string->utf8 "lo") (base16-string->bytevector ; echo -n hello | sha256sum "2cf24dba5fb0a30e26e83b2ac5b9e29e1b161e5c1fa7425e73043362938b9824") " world") (let-values (((port get) (open-sha256-input-port (open-bytevector-input-port (string->utf8 "hello world"))))) (let* ((one (get-bytevector-n port 3)) (two (get-bytevector-n port 2)) (hash (get)) (three (get-string-all port))) (list one two hash three)))) (test-equal "open-sha256-input-port, hello, read from wrapped port" (list (string->utf8 "hello") (base16-string->bytevector ; echo -n hello | sha256sum "2cf24dba5fb0a30e26e83b2ac5b9e29e1b161e5c1fa7425e73043362938b9824") " world") (let*-values (((wrapped) (open-bytevector-input-port (string->utf8 "hello world"))) ((port get) (open-sha256-input-port wrapped))) (let* ((hello (get-bytevector-n port 5)) (hash (get)) ;; Now read from WRAPPED to make sure its current position is ;; correct. (world (get-string-all wrapped))) (list hello hash world)))) (test-end) (exit (= (test-runner-fail-count (test-runner-current)) 0))