t/t0060-path-utils.sh

   1 #!/bin/sh
   2 #
   3 # Copyright (c) 2008 David Reiss
   4 #
   5
   6 test_description='Test various path utilities'
   7
   8 . ./test-lib.sh
   9
  10 norm_path() {
  11         test_expect_success $3 "normalize path: $1 => $2" \
  12         "test \"\$(test-path-utils normalize_path_copy '$1')\" = '$2'"
  13 }
  14
  15 relative_path() {
  16         test_expect_success $4 "relative path: $1 $2 => $3" \
  17         "test \"\$(test-path-utils relative_path '$1' '$2')\" = '$3'"
  18 }
  19
  20 # On Windows, we are using MSYS's bash, which mangles the paths.
  21 # Absolute paths are anchored at the MSYS installation directory,
  22 # which means that the path / accounts for this many characters:
  23 rootoff=$(test-path-utils normalize_path_copy / | wc -c)
  24 # Account for the trailing LF:
  25 if test $rootoff = 2; then
  26         rootoff=        # we are on Unix
  27 else
  28         rootoff=$(($rootoff-1))
  29 fi
  30
  31 ancestor() {
  32         # We do some math with the expected ancestor length.
  33         expected=$3
  34         if test -n "$rootoff" && test "x$expected" != x-1; then
  35                 expected=$(($expected+$rootoff))
  36         fi
  37         test_expect_success "longest ancestor: $1 $2 => $expected" \
  38         "actual=\$(test-path-utils longest_ancestor_length '$1' '$2') &&
  39          test \"\$actual\" = '$expected'"
  40 }
  41
  42 # Absolute path tests must be skipped on Windows because due to path mangling
  43 # the test program never sees a POSIX-style absolute path
  44 case $(uname -s) in
  45 *MINGW*)
  46         ;;
  47 *)
  48         test_set_prereq POSIX
  49         ;;
  50 esac
  51
  52 norm_path "" ""
  53 norm_path . ""
  54 norm_path ./ ""
  55 norm_path ./. ""
  56 norm_path ./.. ++failed++
  57 norm_path ../. ++failed++
  58 norm_path ./../.// ++failed++
  59 norm_path dir/.. ""
  60 norm_path dir/sub/../.. ""
  61 norm_path dir/sub/../../.. ++failed++
  62 norm_path dir dir
  63 norm_path dir// dir/
  64 norm_path ./dir dir
  65 norm_path dir/. dir/
  66 norm_path dir///./ dir/
  67 norm_path dir//sub/.. dir/
  68 norm_path dir/sub/../ dir/
  69 norm_path dir/sub/../. dir/
  70 norm_path dir/s1/../s2/ dir/s2/
  71 norm_path d1/s1///s2/..//../s3/ d1/s3/
  72 norm_path d1/s1//../s2/../../d2 d2
  73 norm_path d1/.../d2 d1/.../d2
  74 norm_path d1/..././../d2 d1/d2
  75
  76 norm_path / / POSIX
  77 norm_path // / POSIX
  78 norm_path /// / POSIX
  79 norm_path /. / POSIX
  80 norm_path /./ / POSIX
  81 norm_path /./.. ++failed++ POSIX
  82 norm_path /../. ++failed++ POSIX
  83 norm_path /./../.// ++failed++ POSIX
  84 norm_path /dir/.. / POSIX
  85 norm_path /dir/sub/../.. / POSIX
  86 norm_path /dir/sub/../../.. ++failed++ POSIX
  87 norm_path /dir /dir POSIX
  88 norm_path /dir// /dir/ POSIX
  89 norm_path /./dir /dir POSIX
  90 norm_path /dir/. /dir/ POSIX
  91 norm_path /dir///./ /dir/ POSIX
  92 norm_path /dir//sub/.. /dir/ POSIX
  93 norm_path /dir/sub/../ /dir/ POSIX
  94 norm_path //dir/sub/../. /dir/ POSIX
  95 norm_path /dir/s1/../s2/ /dir/s2/ POSIX
  96 norm_path /d1/s1///s2/..//../s3/ /d1/s3/ POSIX
  97 norm_path /d1/s1//../s2/../../d2 /d2 POSIX
  98 norm_path /d1/.../d2 /d1/.../d2 POSIX
  99 norm_path /d1/..././../d2 /d1/d2 POSIX
 100
 101 ancestor / / -1
 102 ancestor /foo / 0
 103 ancestor /foo /fo -1
 104 ancestor /foo /foo -1
 105 ancestor /foo /bar -1
 106 ancestor /foo /foo/bar -1
 107 ancestor /foo /foo:/bar -1
 108 ancestor /foo /:/foo:/bar 0
 109 ancestor /foo /foo:/:/bar 0
 110 ancestor /foo /:/bar:/foo 0
 111 ancestor /foo/bar / 0
 112 ancestor /foo/bar /fo -1
 113 ancestor /foo/bar /foo 4
 114 ancestor /foo/bar /foo/ba -1
 115 ancestor /foo/bar /:/fo 0
 116 ancestor /foo/bar /foo:/foo/ba 4
 117 ancestor /foo/bar /bar -1
 118 ancestor /foo/bar /fo -1
 119 ancestor /foo/bar /foo:/bar 4
 120 ancestor /foo/bar /:/foo:/bar 4
 121 ancestor /foo/bar /foo:/:/bar 4
 122 ancestor /foo/bar /:/bar:/fo 0
 123 ancestor /foo/bar /:/bar 0
 124 ancestor /foo/bar /foo 4
 125 ancestor /foo/bar /foo:/bar 4
 126 ancestor /foo/bar /bar -1
 127
 128 test_expect_success 'strip_path_suffix' '
 129         test c:/msysgit = $(test-path-utils strip_path_suffix \
 130                 c:/msysgit/libexec//git-core libexec/git-core)
 131 '
 132
 133 test_expect_success 'absolute path rejects the empty string' '
 134         test_must_fail test-path-utils absolute_path ""
 135 '
 136
 137 test_expect_success 'real path rejects the empty string' '
 138         test_must_fail test-path-utils real_path ""
 139 '
 140
 141 test_expect_success POSIX 'real path works on absolute paths 1' '
 142         nopath="hopefully-absent-path" &&
 143         test "/" = "$(test-path-utils real_path "/")" &&
 144         test "/$nopath" = "$(test-path-utils real_path "/$nopath")"
 145 '
 146
 147 test_expect_success 'real path works on absolute paths 2' '
 148         nopath="hopefully-absent-path" &&
 149         # Find an existing top-level directory for the remaining tests:
 150         d=$(pwd -P | sed -e "s|^\([^/]*/[^/]*\)/.*|\1|") &&
 151         test "$d" = "$(test-path-utils real_path "$d")" &&
 152         test "$d/$nopath" = "$(test-path-utils real_path "$d/$nopath")"
 153 '
 154
 155 test_expect_success POSIX 'real path removes extra leading slashes' '
 156         nopath="hopefully-absent-path" &&
 157         test "/" = "$(test-path-utils real_path "///")" &&
 158         test "/$nopath" = "$(test-path-utils real_path "///$nopath")" &&
 159         # Find an existing top-level directory for the remaining tests:
 160         d=$(pwd -P | sed -e "s|^\([^/]*/[^/]*\)/.*|\1|") &&
 161         test "$d" = "$(test-path-utils real_path "//$d")" &&
 162         test "$d/$nopath" = "$(test-path-utils real_path "//$d/$nopath")"
 163 '
 164
 165 test_expect_success 'real path removes other extra slashes' '
 166         nopath="hopefully-absent-path" &&
 167         # Find an existing top-level directory for the remaining tests:
 168         d=$(pwd -P | sed -e "s|^\([^/]*/[^/]*\)/.*|\1|") &&
 169         test "$d" = "$(test-path-utils real_path "$d///")" &&
 170         test "$d/$nopath" = "$(test-path-utils real_path "$d///$nopath")"
 171 '
 172
 173 test_expect_success SYMLINKS 'real path works on symlinks' '
 174         mkdir first &&
 175         ln -s ../.git first/.git &&
 176         mkdir second &&
 177         ln -s ../first second/other &&
 178         mkdir third &&
 179         dir="$(cd .git; pwd -P)" &&
 180         dir2=third/../second/other/.git &&
 181         test "$dir" = "$(test-path-utils real_path $dir2)" &&
 182         file="$dir"/index &&
 183         test "$file" = "$(test-path-utils real_path $dir2/index)" &&
 184         basename=blub &&
 185         test "$dir/$basename" = "$(cd .git && test-path-utils real_path "$basename")" &&
 186         ln -s ../first/file .git/syml &&
 187         sym="$(cd first; pwd -P)"/file &&
 188         test "$sym" = "$(test-path-utils real_path "$dir2/syml")"
 189 '
 190
 191 relative_path /a/b/c/   /a/b/           c/
 192 relative_path /a/b/c/   /a/b            c/
 193 relative_path /a//b//c/ //a/b//         c/      POSIX
 194 relative_path /a/b      /a/b            ./
 195 relative_path /a/b/     /a/b            ./
 196 relative_path /a        /a/b            ../
 197 relative_path /         /a/b/           ../../
 198 relative_path /a/c      /a/b/           ../c
 199 relative_path /a/c      /a/b            ../c
 200 relative_path /x/y      /a/b/           ../../x/y
 201 relative_path /a/b      "<empty>"       /a/b    POSIX
 202 relative_path /a/b      "<null>"        /a/b    POSIX
 203 relative_path a/b/c/    a/b/            c/
 204 relative_path a/b/c/    a/b             c/
 205 relative_path a/b//c    a//b            c
 206 relative_path a/b/      a/b/            ./
 207 relative_path a/b/      a/b             ./
 208 relative_path a         a/b             ../
 209 relative_path x/y       a/b             ../../x/y
 210 relative_path a/c       a/b             ../c
 211 relative_path a/b       "<empty>"       a/b
 212 relative_path a/b       "<null>"        a/b
 213 relative_path "<empty>" /a/b            ./
 214 relative_path "<empty>" "<empty>"       ./
 215 relative_path "<empty>" "<null>"        ./
 216 relative_path "<null>"  "<empty>"       ./
 217 relative_path "<null>"  "<null>"        ./
 218 relative_path "<null>"  /a/b            ./
 219
 220 test_done