tests/union.scm

   1 ;;; GNU Guix --- Functional package management for GNU
   2 ;;; Copyright © 2012, 2013 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
  20 (define-module (test-union)
  21   #:use-module (guix store)
  22   #:use-module (guix utils)
  23   #:use-module (guix derivations)
  24   #:use-module (guix packages)
  25   #:use-module (guix build union)
  26   #:use-module ((guix build utils)
  27                 #:select (with-directory-excursion directory-exists?))
  28   #:use-module (gnu packages bootstrap)
  29   #:use-module (srfi srfi-1)
  30   #:use-module (srfi srfi-64)
  31   #:use-module (ice-9 match))
  32
  33 ;; Exercise the (guix build union) module.
  34
  35 (define %store
  36   (false-if-exception (open-connection)))
  37
  38 (when %store
  39   ;; By default, use %BOOTSTRAP-GUILE for the current system.
  40   (let ((drv (package-derivation %store %bootstrap-guile)))
  41     (%guile-for-build drv)))
  42
  43 \f
  44 (test-begin "union")
  45
  46 (test-equal "tree-union, empty"
  47   '()
  48   (tree-union '()))
  49
  50 (test-equal "tree-union, leaves only"
  51   '(a b c d)
  52   (tree-union '(a b c d)))
  53
  54 (test-equal "tree-union, simple"
  55   '((bin ls touch make awk gawk))
  56   (tree-union '((bin ls touch)
  57                 (bin make)
  58                 (bin awk gawk))))
  59
  60 (test-equal "tree-union, several levels"
  61   '((share (doc (make README) (coreutils README)))
  62     (bin ls touch make))
  63   (tree-union '((bin ls touch)
  64                 (share (doc (coreutils README)))
  65                 (bin make)
  66                 (share (doc (make README))))))
  67
  68 (test-equal "delete-duplicate-leaves, default"
  69   '(bin make touch ls)
  70   (delete-duplicate-leaves '(bin ls make touch ls)))
  71
  72 (test-equal "delete-duplicate-leaves, file names"
  73   '("doc" ("info"
  74            "/binutils/ld.info"
  75            "/gcc/gcc.info"
  76            "/binutils/standards.info"))
  77   (let ((leaf=? (lambda (a b)
  78                   (string=? (basename a) (basename b)))))
  79     (delete-duplicate-leaves '("doc"
  80                                ("info"
  81                                 "/binutils/ld.info"
  82                                 "/binutils/standards.info"
  83                                 "/gcc/gcc.info"
  84                                 "/gcc/standards.info"))
  85                              leaf=?)))
  86
  87 (test-skip (if (and %store
  88                     (false-if-exception
  89                      (getaddrinfo "www.gnu.org" "80" AI_NUMERICSERV)))
  90                0
  91                1))
  92
  93 (test-assert "union-build"
  94   (let* ((inputs  (map (match-lambda
  95                         ((name package)
  96                          `(,name ,(package-derivation %store package))))
  97
  98                        ;; Purposefully leave duplicate entries.
  99                        (append %bootstrap-inputs
 100                                (take %bootstrap-inputs 3))))
 101          (builder `(begin
 102                      (use-modules (guix build union))
 103                      (union-build (assoc-ref %outputs "out")
 104                                   (map cdr %build-inputs))))
 105          (drv
 106           (build-expression->derivation %store "union-test"
 107                                         (%current-system)
 108                                         builder inputs
 109                                         #:modules '((guix build union)))))
 110     (and (build-derivations %store (list (pk 'drv drv)))
 111          (with-directory-excursion (derivation-path->output-path drv)
 112            (and (file-exists? "bin/touch")
 113                 (file-exists? "bin/gcc")
 114                 (file-exists? "bin/ld")
 115                 (file-exists? "lib/libc.so")
 116                 (directory-exists? "lib/gcc")
 117                 (file-exists? "include/unistd.h")
 118
 119                 ;; The 'include' sub-directory is only found in
 120                 ;; glibc-bootstrap, so it should be unified in a
 121                 ;; straightforward way, without traversing it.
 122                 (eq? 'symlink (stat:type (lstat "include")))
 123
 124                 ;; Conversely, several inputs have a 'bin' sub-directory, so
 125                 ;; unifying it requires traversing them all, and creating a
 126                 ;; new 'bin' sub-directory in the profile.
 127                 (eq? 'directory (stat:type (lstat "bin"))))))))
 128
 129 (test-end)
 130
 131 \f
 132 (exit (= (test-runner-fail-count (test-runner-current)) 0))