tests/grafts.scm

   1 ;;; GNU Guix --- Functional package management for GNU
   2 ;;; Copyright © 2014, 2015, 2016 Ludovic Courtès <ludo@gnu.org>
   3 ;;;
   4 ;;; This file is part of GNU Guix.
   5 ;;;
   6 ;;; GNU Guix is free software; you can redistribute it and/or modify it
   7 ;;; under the terms of the GNU General Public License as published by
   8 ;;; the Free Software Foundation; either version 3 of the License, or (at
   9 ;;; your option) any later version.
  10 ;;;
  11 ;;; GNU Guix is distributed in the hope that it will be useful, but
  12 ;;; WITHOUT ANY WARRANTY; without even the implied warranty of
  13 ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 ;;; GNU General Public License for more details.
  15 ;;;
  16 ;;; You should have received a copy of the GNU General Public License
  17 ;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.
  18
  19 (define-module (test-grafts)
  20   #:use-module (guix derivations)
  21   #:use-module (guix store)
  22   #:use-module (guix utils)
  23   #:use-module (guix grafts)
  24   #:use-module (guix tests)
  25   #:use-module ((gnu packages) #:select (search-bootstrap-binary))
  26   #:use-module (srfi srfi-64)
  27   #:use-module (rnrs io ports))
  28
  29 (define %store
  30   (open-connection-for-tests))
  31
  32 (define (bootstrap-binary name)
  33   (let ((bin (search-bootstrap-binary name (%current-system))))
  34     (and %store
  35          (add-to-store %store name #t "sha256" bin))))
  36
  37 (define %bash
  38   (bootstrap-binary "bash"))
  39 (define %mkdir
  40   (bootstrap-binary "mkdir"))
  41
  42 \f
  43 (test-begin "grafts")
  44
  45 (test-assert "graft-derivation"
  46   (let* ((build `(begin
  47                    (mkdir %output)
  48                    (chdir %output)
  49                    (symlink %output "self")
  50                    (call-with-output-file "text"
  51                      (lambda (output)
  52                        (format output "foo/~a/bar" ,%mkdir)))
  53                    (symlink ,%bash "sh")))
  54          (orig  (build-expression->derivation %store "graft" build
  55                                               #:inputs `(("a" ,%bash)
  56                                                          ("b" ,%mkdir))))
  57          (one   (add-text-to-store %store "bash" "fake bash"))
  58          (two   (build-expression->derivation %store "mkdir"
  59                                               '(call-with-output-file %output
  60                                                  (lambda (port)
  61                                                    (display "fake mkdir" port)))))
  62          (graft (graft-derivation %store "graft" orig
  63                                   (list (graft
  64                                           (origin %bash)
  65                                           (replacement one))
  66                                         (graft
  67                                           (origin %mkdir)
  68                                           (replacement two))))))
  69     (and (build-derivations %store (list graft))
  70          (let ((two   (derivation->output-path two))
  71                (graft (derivation->output-path graft)))
  72            (and (string=? (format #f "foo/~a/bar" two)
  73                           (call-with-input-file (string-append graft "/text")
  74                             get-string-all))
  75                 (string=? (readlink (string-append graft "/sh")) one)
  76                 (string=? (readlink (string-append graft "/self")) graft))))))
  77
  78 (test-end)
  79
  80 \f
  81 (exit (= (test-runner-fail-count (test-runner-current)) 0))