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author | Ludovic Courtès <ludo@gnu.org> | 2013-04-08 22:54:08 +0200 |
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committer | Ludovic Courtès <ludo@gnu.org> | 2013-04-12 21:58:46 +0200 |
commit | ca877f5a3a0e216d2e0e62bea3e42cdc2e4c3dab (patch) | |
tree | fea001efb4906e55cc083a526fdc7dc2884583bf /tests/nar.scm | |
parent | 865c4ef33ce65ca87002a268230edae504c87166 (diff) | |
download | guix-patches-ca877f5a3a0e216d2e0e62bea3e42cdc2e4c3dab.tar guix-patches-ca877f5a3a0e216d2e0e62bea3e42cdc2e4c3dab.tar.gz |
nar: Implement restoration from Nar.
* guix/nar.scm (&nar-error, &nar-read-error): New condition types.
(dump): New procedure.
(write-contents)[dump]: Remove. Use the one above instead.
(read-contents, write-file, restore-file): New procedures.
(%archive-version-1): New variable.
Diffstat (limited to 'tests/nar.scm')
-rw-r--r-- | tests/nar.scm | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/tests/nar.scm b/tests/nar.scm new file mode 100644 index 0000000000..2d9bffd487 --- /dev/null +++ b/tests/nar.scm @@ -0,0 +1,95 @@ +;;; GNU Guix --- Functional package management for GNU +;;; Copyright © 2012, 2013 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-nar) + #:use-module (guix nar) + #:use-module (rnrs bytevectors) + #:use-module (rnrs io ports) + #:use-module (srfi srfi-26) + #:use-module (srfi srfi-64) + #:use-module (ice-9 ftw)) + +;; Test the (guix nar) module. + +(define (rm-rf dir) + (file-system-fold (const #t) ; enter? + (lambda (file stat result) ; leaf + (delete-file file)) + (const #t) ; down + (lambda (dir stat result) ; up + (rmdir dir)) + (const #t) ; skip + (const #t) ; error + #t + dir + lstat)) + + +(test-begin "nar") + +(test-assert "write-file + restore-file" + (let* ((input (string-append (dirname (search-path %load-path "guix.scm")) + "/guix")) + (output (string-append (dirname input) + "/test-nar-" + (number->string (getpid)))) + (nar (string-append output ".nar"))) + (dynamic-wind + (lambda () #t) + (lambda () + (call-with-output-file nar + (cut write-file input <>)) + (call-with-input-file nar + (cut restore-file <> output)) + (let* ((strip (cute string-drop <> (string-length input))) + (sibling (compose (cut string-append output <>) strip)) + (file=? (lambda (a b) + (and (eq? (stat:type (lstat a)) (stat:type (lstat b))) + (case (stat:type (lstat a)) + ((regular) + (equal? + (call-with-input-file a get-bytevector-all) + (call-with-input-file b get-bytevector-all))) + ((symlink) + (string=? (readlink a) (readlink b))) + (else + (error "what?" (lstat a)))))))) + (file-system-fold (const #t) + (lambda (name stat result) ; leaf + (and result + (file=? name (sibling name)))) + (lambda (name stat result) ; down + result) + (lambda (name stat result) ; up + result) + (const #f) ; skip + (lambda (name stat errno result) + (pk 'error name stat errno) + #f) + (> (stat:nlink (stat output)) 2) + input + lstat))) + (lambda () + (false-if-exception (delete-file nar)) + (false-if-exception (rm-rf output)) + )))) + +(test-end "nar") + + +(exit (= (test-runner-fail-count (test-runner-current)) 0)) |