tests/guix-environment-container.sh

   1 # GNU Guix --- Functional package management for GNU
   2 # Copyright © 2015 David Thompson <davet@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 # Test 'guix environment'.
  21 #
  22
  23 set -e
  24
  25 guix environment --version
  26
  27 if ! guile -c '((@@ (guix scripts environment) assert-container-features))'
  28 then
  29     # User containers are not supported; skip this test.
  30     exit 77
  31 fi
  32
  33 tmpdir="t-guix-environment-$$"
  34 trap 'rm -r "$tmpdir"' EXIT
  35
  36 mkdir "$tmpdir"
  37
  38 # Make sure the exit value is preserved.
  39 if guix environment --container --ad-hoc --bootstrap guile-bootstrap \
  40         -- guile -c '(exit 42)'
  41 then
  42     false
  43 else
  44     test $? = 42
  45 fi
  46
  47 if test "x$USER" = "x"; then USER="`id -un`"; fi
  48
  49 # Check whether /etc/passwd is valid.
  50 guix environment -C --ad-hoc --bootstrap guile-bootstrap \
  51      -- guile -c "(exit (string=? \"$USER\" (passwd:name (getpwuid (getuid)))))"
  52
  53 # Make sure file-not-found errors in mounts are reported.
  54 if guix environment --container --ad-hoc --bootstrap guile-bootstrap \
  55         --expose=/does-not-exist -- guile -c 1 2> "$tmpdir/error"
  56 then
  57     false
  58 else
  59     grep "/does-not-exist" "$tmpdir/error"
  60     grep "[Nn]o such file" "$tmpdir/error"
  61 fi
  62
  63 # Make sure that the right directories are mapped.
  64 mount_test_code="
  65 (use-modules (ice-9 rdelim)
  66              (ice-9 match)
  67              (srfi srfi-1))
  68
  69 (define mappings
  70   (filter-map (lambda (line)
  71                 (match (string-split line #\space)
  72                   ;; Empty line.
  73                   ((\"\") #f)
  74                   ;; Ignore the root file system.
  75                   ((_ \"/\" _ _ _ _)
  76                    #f)
  77                   ;; Ignore these types of file systems, except if they
  78                   ;; correspond to a parent file system.
  79                   ((_ mount (or \"tmpfs\" \"proc\" \"sysfs\" \"devtmpfs\"
  80                                 \"devpts\" \"cgroup\" \"mqueue\") _ _ _)
  81                    (and (string-prefix? (getcwd) mount)
  82                         mount))
  83                   ((_ mount _ _ _ _)
  84                    mount)))
  85               (string-split (call-with-input-file \"/proc/mounts\" read-string)
  86                             #\newline)))
  87
  88 (for-each (lambda (mount)
  89             (display mount)
  90             (newline))
  91           mappings)"
  92
  93 guix environment --container --ad-hoc --bootstrap guile-bootstrap \
  94      -- guile -c "$mount_test_code" > $tmpdir/mounts
  95
  96 cat "$tmpdir/mounts"
  97 test `wc -l < $tmpdir/mounts` -eq 4
  98
  99 current_dir="`cd $PWD; pwd -P`"
 100 grep -e "$current_dir$" $tmpdir/mounts # current directory
 101 grep $(guix build guile-bootstrap) $tmpdir/mounts
 102 grep -e "$NIX_STORE_DIR/.*-bash" $tmpdir/mounts # bootstrap bash
 103
 104 rm $tmpdir/mounts
 105
 106 # Make sure 'GUIX_ENVIRONMENT' is linked to '~/.guix-profile' when requested
 107 # within a container.
 108 (
 109   linktest='(exit (string=? (getenv "GUIX_ENVIRONMENT")
 110 (readlink (string-append (getenv "HOME") "/.guix-profile"))))'
 111
 112   cd "$tmpdir" \
 113      && guix environment --bootstrap --container --link-profile \
 114              --ad-hoc guile-bootstrap --pure \
 115              -- guile -c "$linktest"
 116 )
 117
 118 # Test that user can be mocked.
 119 usertest='(exit (and (string=? (getenv "HOME") "/home/foognu")
 120                      (string=? (passwd:name (getpwuid 0)) "foognu")
 121                      (file-exists? "/home/foognu/umock")))'
 122 touch "$tmpdir/umock"
 123 HOME="$tmpdir" guix environment --bootstrap --container --user=foognu \
 124      --ad-hoc guile-bootstrap --pure \
 125      --share="$tmpdir/umock" \
 126      -- guile -c "$usertest"
 127
 128
 129 # Check the exit code.
 130
 131 abnormal_exit_code="
 132 (use-modules (system foreign))
 133 ;; Purposely make Guile crash with a segfault. :)
 134 (pointer->string (make-pointer 123) 123)"
 135
 136 if guix environment --bootstrap --container \
 137         --ad-hoc guile-bootstrap -- guile -c "$abnormal_exit_code"
 138 then false;
 139 else
 140     test $? -gt 127
 141 fi