tests/misc/realpath.sh

   1 #!/bin/sh
   2 # Validate realpath operation
   3
   4 # Copyright (C) 2011-2016 Free Software Foundation, Inc.
   5
   6 # This program is free software: you can redistribute it and/or modify
   7 # it under the terms of the GNU General Public License as published by
   8 # the Free Software Foundation, either version 3 of the License, or
   9 # (at your option) any later version.
  10
  11 # This program is distributed in the hope that it will be useful,
  12 # but 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 this program.  If not, see <http://www.gnu.org/licenses/>.
  18
  19 . "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
  20 print_ver_ realpath
  21
  22 stat_single=$(stat -c %d:%i /) || framework_failure_
  23 stat_double=$(stat -c %d:%i //) || framework_failure_
  24 double_slash=//
  25 if test x"$stat_single" = x"$stat_double"; then
  26   double_slash=/
  27 fi
  28 nl='
  29 '
  30
  31 test -d /dev || framework_failure_
  32
  33 # Setup dir, file, symlink structure
  34
  35 mkdir -p dir1/dir2 || framework_failure_
  36 ln -s dir1/dir2 ldir2 || framework_failure_
  37 touch dir1/f dir1/dir2/f || framework_failure_
  38 ln -s / one || framework_failure_
  39 ln -s // two || framework_failure_
  40 ln -s /// three || framework_failure_
  41
  42 # Basic operation
  43 realpath -Pqz . >/dev/null || fail=1
  44 # Operand is required
  45 returns_ 1 realpath >/dev/null || fail=1
  46 returns_ 1 realpath --relative-base . --relative-to . || fail=1
  47 returns_ 1 realpath --relative-base . || fail=1
  48
  49 # -e --relative-* require directories
  50 returns_ 1 realpath -e --relative-to=dir1/f --relative-base=. . || fail=1
  51 realpath -e --relative-to=dir1/  --relative-base=. . || fail=1
  52
  53 # Note NUL params are unconditionally rejected by canonicalize_filename_mode
  54 returns_ 1 realpath -m '' || fail=1
  55 returns_ 1 realpath --relative-base= --relative-to=. . || fail=1
  56
  57 # symlink resolution
  58 this=$(realpath .)
  59 test "$(realpath ldir2/..)" = "$this/dir1" || fail=1
  60 test "$(realpath -L ldir2/..)" = "$this" || fail=1
  61 test "$(realpath -s ldir2)" = "$this/ldir2" || fail=1
  62
  63 # relative string handling
  64 test $(realpath -m --relative-to=prefix prefixed/1) = '../prefixed/1' || fail=1
  65 test $(realpath -m --relative-to=prefixed prefix/1) = '../prefix/1' || fail=1
  66 test $(realpath -m --relative-to=prefixed prefixed/1) = '1' || fail=1
  67
  68 # Ensure no redundant trailing '/' present, as was the case in v8.15
  69 test $(realpath -sm --relative-to=/usr /) = '..' || fail=1
  70 # Ensure no redundant leading '../' present, as was the case in v8.15
  71 test $(realpath -sm --relative-to=/ /usr) = 'usr' || fail=1
  72
  73 # Ensure --relative-base works
  74 out=$(realpath -sm --relative-base=/usr --relative-to=/usr /tmp /usr) || fail=1
  75 test "$out" = "/tmp$nl." || fail=1
  76 out=$(realpath -sm --relative-base=/ --relative-to=/ / /usr) || fail=1
  77 test "$out" = ".${nl}usr" || fail=1
  78 # --relative-to defaults to the value of --relative-base
  79 out=$(realpath -sm --relative-base=/usr /tmp /usr) || fail=1
  80 test "$out" = "/tmp$nl." || fail=1
  81 out=$(realpath -sm --relative-base=/ / /usr) || fail=1
  82 test "$out" = ".${nl}usr" || fail=1
  83 # For now, --relative-base must be a prefix of --relative-to, or all output
  84 # will be absolute (compare to MacOS 'relpath -d dir start end').
  85 out=$(realpath -sm --relative-base=/usr/local --relative-to=/usr \
  86     /usr /usr/local) || fail=1
  87 test "$out" = "/usr${nl}/usr/local" || fail=1
  88
  89 # Ensure // is handled correctly.
  90 test "$(realpath / // ///)" = "/$nl$double_slash$nl/" || fail=1
  91 test "$(realpath one two three)" = "/$nl$double_slash$nl/" || fail=1
  92 out=$(realpath -sm --relative-to=/ / // /dev //dev) || fail=1
  93 if test $double_slash = //; then
  94   test "$out" = ".$nl//${nl}dev$nl//dev" || fail=1
  95 else
  96   test "$out" = ".$nl.${nl}dev${nl}dev" || fail=1
  97 fi
  98 out=$(realpath -sm --relative-to=// / // /dev //dev) || fail=1
  99 if test $double_slash = //; then
 100   test "$out" = "/$nl.$nl/dev${nl}dev" || fail=1
 101 else
 102   test "$out" = ".$nl.${nl}dev${nl}dev" || fail=1
 103 fi
 104 out=$(realpath --relative-base=/ --relative-to=// / //) || fail=1
 105 if test $double_slash = //; then
 106   test "$out" = "/$nl//" || fail=1
 107 else
 108   test "$out" = ".$nl." || fail=1
 109 fi
 110
 111 Exit $fail