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         expected=$(test-path-utils print_path "$2")
  12         test_expect_success $3 "normalize path: $1 => $2" \
  13         "test \"\$(test-path-utils normalize_path_copy '$1')\" = '$expected'"
  14 }
  15
  16 relative_path() {
  17         expected=$(test-path-utils print_path "$3")
  18         test_expect_success $4 "relative path: $1 $2 => $3" \
  19         "test \"\$(test-path-utils relative_path '$1' '$2')\" = '$expected'"
  20 }
  21
  22 # On Windows, we are using MSYS's bash, which mangles the paths.
  23 # Absolute paths are anchored at the MSYS installation directory,
  24 # which means that the path / accounts for this many characters:
  25 rootoff=$(test-path-utils normalize_path_copy / | wc -c)
  26 # Account for the trailing LF:
  27 if test $rootoff = 2; then
  28         rootoff=        # we are on Unix
  29 else
  30         rootoff=$(($rootoff-1))
  31 fi
  32
  33 ancestor() {
  34         # We do some math with the expected ancestor length.
  35         expected=$3
  36         if test -n "$rootoff" && test "x$expected" != x-1; then
  37                 expected=$(($expected+$rootoff))
  38         fi
  39         test_expect_success "longest ancestor: $1 $2 => $expected" \
  40         "actual=\$(test-path-utils longest_ancestor_length '$1' '$2') &&
  41          test \"\$actual\" = '$expected'"
  42 }
  43
  44 # Some absolute path tests should be skipped on Windows due to path mangling
  45 # on POSIX-style absolute paths
  46 case $(uname -s) in
  47 *MINGW*)
  48         ;;
  49 *)
  50         test_set_prereq POSIX
  51         ;;
  52 esac
  53
  54 norm_path "" ""
  55 norm_path . ""
  56 norm_path ./ ""
  57 norm_path ./. ""
  58 norm_path ./.. ++failed++
  59 norm_path ../. ++failed++
  60 norm_path ./../.// ++failed++
  61 norm_path dir/.. ""
  62 norm_path dir/sub/../.. ""
  63 norm_path dir/sub/../../.. ++failed++
  64 norm_path dir dir
  65 norm_path dir// dir/
  66 norm_path ./dir dir
  67 norm_path dir/. dir/
  68 norm_path dir///./ dir/
  69 norm_path dir//sub/.. dir/
  70 norm_path dir/sub/../ dir/
  71 norm_path dir/sub/../. dir/
  72 norm_path dir/s1/../s2/ dir/s2/
  73 norm_path d1/s1///s2/..//../s3/ d1/s3/
  74 norm_path d1/s1//../s2/../../d2 d2
  75 norm_path d1/.../d2 d1/.../d2
  76 norm_path d1/..././../d2 d1/d2
  77
  78 norm_path / /
  79 norm_path // / POSIX
  80 norm_path /// / POSIX
  81 norm_path /. /
  82 norm_path /./ / POSIX
  83 norm_path /./.. ++failed++ POSIX
  84 norm_path /../. ++failed++
  85 norm_path /./../.// ++failed++ POSIX
  86 norm_path /dir/.. / POSIX
  87 norm_path /dir/sub/../.. / POSIX
  88 norm_path /dir/sub/../../.. ++failed++ POSIX
  89 norm_path /dir /dir
  90 norm_path /dir// /dir/
  91 norm_path /./dir /dir
  92 norm_path /dir/. /dir/
  93 norm_path /dir///./ /dir/
  94 norm_path /dir//sub/.. /dir/
  95 norm_path /dir/sub/../ /dir/
  96 norm_path //dir/sub/../. /dir/ POSIX
  97 norm_path /dir/s1/../s2/ /dir/s2/
  98 norm_path /d1/s1///s2/..//../s3/ /d1/s3/
  99 norm_path /d1/s1//../s2/../../d2 /d2
 100 norm_path /d1/.../d2 /d1/.../d2
 101 norm_path /d1/..././../d2 /d1/d2
 102
 103 ancestor / / -1
 104 ancestor /foo / 0
 105 ancestor /foo /fo -1
 106 ancestor /foo /foo -1
 107 ancestor /foo /bar -1
 108 ancestor /foo /foo/bar -1
 109 ancestor /foo /foo:/bar -1
 110 ancestor /foo /:/foo:/bar 0
 111 ancestor /foo /foo:/:/bar 0
 112 ancestor /foo /:/bar:/foo 0
 113 ancestor /foo/bar / 0
 114 ancestor /foo/bar /fo -1
 115 ancestor /foo/bar /foo 4
 116 ancestor /foo/bar /foo/ba -1
 117 ancestor /foo/bar /:/fo 0
 118 ancestor /foo/bar /foo:/foo/ba 4
 119 ancestor /foo/bar /bar -1
 120 ancestor /foo/bar /fo -1
 121 ancestor /foo/bar /foo:/bar 4
 122 ancestor /foo/bar /:/foo:/bar 4
 123 ancestor /foo/bar /foo:/:/bar 4
 124 ancestor /foo/bar /:/bar:/fo 0
 125 ancestor /foo/bar /:/bar 0
 126 ancestor /foo/bar /foo 4
 127 ancestor /foo/bar /foo:/bar 4
 128 ancestor /foo/bar /bar -1
 129
 130 test_expect_success 'strip_path_suffix' '
 131         test c:/msysgit = $(test-path-utils strip_path_suffix \
 132                 c:/msysgit/libexec//git-core libexec/git-core)
 133 '
 134
 135 test_expect_success 'absolute path rejects the empty string' '
 136         test_must_fail test-path-utils absolute_path ""
 137 '
 138
 139 test_expect_success 'real path rejects the empty string' '
 140         test_must_fail test-path-utils real_path ""
 141 '
 142
 143 test_expect_success POSIX 'real path works on absolute paths 1' '
 144         nopath="hopefully-absent-path" &&
 145         test "/" = "$(test-path-utils real_path "/")" &&
 146         test "/$nopath" = "$(test-path-utils real_path "/$nopath")"
 147 '
 148
 149 test_expect_success 'real path works on absolute paths 2' '
 150         nopath="hopefully-absent-path" &&
 151         # Find an existing top-level directory for the remaining tests:
 152         d=$(pwd -P | sed -e "s|^\([^/]*/[^/]*\)/.*|\1|") &&
 153         test "$d" = "$(test-path-utils real_path "$d")" &&
 154         test "$d/$nopath" = "$(test-path-utils real_path "$d/$nopath")"
 155 '
 156
 157 test_expect_success POSIX 'real path removes extra leading slashes' '
 158         nopath="hopefully-absent-path" &&
 159         test "/" = "$(test-path-utils real_path "///")" &&
 160         test "/$nopath" = "$(test-path-utils real_path "///$nopath")" &&
 161         # Find an existing top-level directory for the remaining tests:
 162         d=$(pwd -P | sed -e "s|^\([^/]*/[^/]*\)/.*|\1|") &&
 163         test "$d" = "$(test-path-utils real_path "//$d")" &&
 164         test "$d/$nopath" = "$(test-path-utils real_path "//$d/$nopath")"
 165 '
 166
 167 test_expect_success 'real path removes other extra slashes' '
 168         nopath="hopefully-absent-path" &&
 169         # Find an existing top-level directory for the remaining tests:
 170         d=$(pwd -P | sed -e "s|^\([^/]*/[^/]*\)/.*|\1|") &&
 171         test "$d" = "$(test-path-utils real_path "$d///")" &&
 172         test "$d/$nopath" = "$(test-path-utils real_path "$d///$nopath")"
 173 '
 174
 175 test_expect_success SYMLINKS 'real path works on symlinks' '
 176         mkdir first &&
 177         ln -s ../.git first/.git &&
 178         mkdir second &&
 179         ln -s ../first second/other &&
 180         mkdir third &&
 181         dir="$(cd .git; pwd -P)" &&
 182         dir2=third/../second/other/.git &&
 183         test "$dir" = "$(test-path-utils real_path $dir2)" &&
 184         file="$dir"/index &&
 185         test "$file" = "$(test-path-utils real_path $dir2/index)" &&
 186         basename=blub &&
 187         test "$dir/$basename" = "$(cd .git && test-path-utils real_path "$basename")" &&
 188         ln -s ../first/file .git/syml &&
 189         sym="$(cd first; pwd -P)"/file &&
 190         test "$sym" = "$(test-path-utils real_path "$dir2/syml")"
 191 '
 192
 193 test_expect_success SYMLINKS 'prefix_path works with absolute paths to work tree symlinks' '
 194         ln -s target symlink &&
 195         test "$(test-path-utils prefix_path prefix "$(pwd)/symlink")" = "symlink"
 196 '
 197
 198 test_expect_success 'prefix_path works with only absolute path to work tree' '
 199         echo "" >expected &&
 200         test-path-utils prefix_path prefix "$(pwd)" >actual &&
 201         test_cmp expected actual
 202 '
 203
 204 test_expect_success 'prefix_path rejects absolute path to dir with same beginning as work tree' '
 205         test_must_fail test-path-utils prefix_path prefix "$(pwd)a"
 206 '
 207
 208 test_expect_success SYMLINKS 'prefix_path works with absolute path to a symlink to work tree having  same beginning as work tree' '
 209         git init repo &&
 210         ln -s repo repolink &&
 211         test "a" = "$(cd repo && test-path-utils prefix_path prefix "$(pwd)/../repolink/a")"
 212 '
 213
 214 relative_path /foo/a/b/c/       /foo/a/b/       c/
 215 relative_path /foo/a/b/c/       /foo/a/b        c/
 216 relative_path /foo/a//b//c/     ///foo/a/b//    c/              POSIX
 217 relative_path /foo/a/b          /foo/a/b        ./
 218 relative_path /foo/a/b/         /foo/a/b        ./
 219 relative_path /foo/a            /foo/a/b        ../
 220 relative_path /                 /foo/a/b/       ../../../
 221 relative_path /foo/a/c          /foo/a/b/       ../c
 222 relative_path /foo/a/c          /foo/a/b        ../c
 223 relative_path /foo/x/y          /foo/a/b/       ../../x/y
 224 relative_path /foo/a/b          "<empty>"       /foo/a/b
 225 relative_path /foo/a/b          "<null>"        /foo/a/b
 226 relative_path foo/a/b/c/        foo/a/b/        c/
 227 relative_path foo/a/b/c/        foo/a/b         c/
 228 relative_path foo/a/b//c        foo/a//b        c
 229 relative_path foo/a/b/          foo/a/b/        ./
 230 relative_path foo/a/b/          foo/a/b         ./
 231 relative_path foo/a             foo/a/b         ../
 232 relative_path foo/x/y           foo/a/b         ../../x/y
 233 relative_path foo/a/c           foo/a/b         ../c
 234 relative_path foo/a/b           /foo/x/y        foo/a/b
 235 relative_path /foo/a/b          foo/x/y         /foo/a/b
 236 relative_path d:/a/b            D:/a/c          ../b            MINGW
 237 relative_path C:/a/b            D:/a/c          C:/a/b          MINGW
 238 relative_path foo/a/b           "<empty>"       foo/a/b
 239 relative_path foo/a/b           "<null>"        foo/a/b
 240 relative_path "<empty>"         /foo/a/b        ./
 241 relative_path "<empty>"         "<empty>"       ./
 242 relative_path "<empty>"         "<null>"        ./
 243 relative_path "<null>"          "<empty>"       ./
 244 relative_path "<null>"          "<null>"        ./
 245 relative_path "<null>"          /foo/a/b        ./
 246
 247 test_done