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 test_git_path() {
  23         test_expect_success "git-path $1 $2 => $3" "
  24                 $1 git rev-parse --git-path $2 >actual &&
  25                 echo $3 >expect &&
  26                 test_cmp expect actual
  27         "
  28 }
  29
  30 # On Windows, we are using MSYS's bash, which mangles the paths.
  31 # Absolute paths are anchored at the MSYS installation directory,
  32 # which means that the path / accounts for this many characters:
  33 rootoff=$(test-path-utils normalize_path_copy / | wc -c)
  34 # Account for the trailing LF:
  35 if test $rootoff = 2; then
  36         rootoff=        # we are on Unix
  37 else
  38         rootoff=$(($rootoff-1))
  39 fi
  40
  41 ancestor() {
  42         # We do some math with the expected ancestor length.
  43         expected=$3
  44         if test -n "$rootoff" && test "x$expected" != x-1; then
  45                 expected=$(($expected+$rootoff))
  46         fi
  47         test_expect_success "longest ancestor: $1 $2 => $expected" \
  48         "actual=\$(test-path-utils longest_ancestor_length '$1' '$2') &&
  49          test \"\$actual\" = '$expected'"
  50 }
  51
  52 # Some absolute path tests should be skipped on Windows due to path mangling
  53 # on POSIX-style absolute paths
  54 case $(uname -s) in
  55 *MINGW*)
  56         ;;
  57 *)
  58         test_set_prereq POSIX
  59         ;;
  60 esac
  61
  62 norm_path "" ""
  63 norm_path . ""
  64 norm_path ./ ""
  65 norm_path ./. ""
  66 norm_path ./.. ++failed++
  67 norm_path ../. ++failed++
  68 norm_path ./../.// ++failed++
  69 norm_path dir/.. ""
  70 norm_path dir/sub/../.. ""
  71 norm_path dir/sub/../../.. ++failed++
  72 norm_path dir dir
  73 norm_path dir// dir/
  74 norm_path ./dir dir
  75 norm_path dir/. dir/
  76 norm_path dir///./ dir/
  77 norm_path dir//sub/.. dir/
  78 norm_path dir/sub/../ dir/
  79 norm_path dir/sub/../. dir/
  80 norm_path dir/s1/../s2/ dir/s2/
  81 norm_path d1/s1///s2/..//../s3/ d1/s3/
  82 norm_path d1/s1//../s2/../../d2 d2
  83 norm_path d1/.../d2 d1/.../d2
  84 norm_path d1/..././../d2 d1/d2
  85
  86 norm_path / /
  87 norm_path // / POSIX
  88 norm_path /// / POSIX
  89 norm_path /. /
  90 norm_path /./ / POSIX
  91 norm_path /./.. ++failed++ POSIX
  92 norm_path /../. ++failed++
  93 norm_path /./../.// ++failed++ POSIX
  94 norm_path /dir/.. / POSIX
  95 norm_path /dir/sub/../.. / POSIX
  96 norm_path /dir/sub/../../.. ++failed++ POSIX
  97 norm_path /dir /dir
  98 norm_path /dir// /dir/
  99 norm_path /./dir /dir
 100 norm_path /dir/. /dir/
 101 norm_path /dir///./ /dir/
 102 norm_path /dir//sub/.. /dir/
 103 norm_path /dir/sub/../ /dir/
 104 norm_path //dir/sub/../. /dir/ POSIX
 105 norm_path /dir/s1/../s2/ /dir/s2/
 106 norm_path /d1/s1///s2/..//../s3/ /d1/s3/
 107 norm_path /d1/s1//../s2/../../d2 /d2
 108 norm_path /d1/.../d2 /d1/.../d2
 109 norm_path /d1/..././../d2 /d1/d2
 110
 111 ancestor / / -1
 112 ancestor /foo / 0
 113 ancestor /foo /fo -1
 114 ancestor /foo /foo -1
 115 ancestor /foo /bar -1
 116 ancestor /foo /foo/bar -1
 117 ancestor /foo /foo:/bar -1
 118 ancestor /foo /:/foo:/bar 0
 119 ancestor /foo /foo:/:/bar 0
 120 ancestor /foo /:/bar:/foo 0
 121 ancestor /foo/bar / 0
 122 ancestor /foo/bar /fo -1
 123 ancestor /foo/bar /foo 4
 124 ancestor /foo/bar /foo/ba -1
 125 ancestor /foo/bar /:/fo 0
 126 ancestor /foo/bar /foo:/foo/ba 4
 127 ancestor /foo/bar /bar -1
 128 ancestor /foo/bar /fo -1
 129 ancestor /foo/bar /foo:/bar 4
 130 ancestor /foo/bar /:/foo:/bar 4
 131 ancestor /foo/bar /foo:/:/bar 4
 132 ancestor /foo/bar /:/bar:/fo 0
 133 ancestor /foo/bar /:/bar 0
 134 ancestor /foo/bar /foo 4
 135 ancestor /foo/bar /foo:/bar 4
 136 ancestor /foo/bar /bar -1
 137
 138 test_expect_success 'strip_path_suffix' '
 139         test c:/msysgit = $(test-path-utils strip_path_suffix \
 140                 c:/msysgit/libexec//git-core libexec/git-core)
 141 '
 142
 143 test_expect_success 'absolute path rejects the empty string' '
 144         test_must_fail test-path-utils absolute_path ""
 145 '
 146
 147 test_expect_success 'real path rejects the empty string' '
 148         test_must_fail test-path-utils real_path ""
 149 '
 150
 151 test_expect_success POSIX 'real path works on absolute paths 1' '
 152         nopath="hopefully-absent-path" &&
 153         test "/" = "$(test-path-utils real_path "/")" &&
 154         test "/$nopath" = "$(test-path-utils real_path "/$nopath")"
 155 '
 156
 157 test_expect_success 'real path works on absolute paths 2' '
 158         nopath="hopefully-absent-path" &&
 159         # Find an existing top-level directory for the remaining tests:
 160         d=$(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 POSIX 'real path removes extra leading slashes' '
 166         nopath="hopefully-absent-path" &&
 167         test "/" = "$(test-path-utils real_path "///")" &&
 168         test "/$nopath" = "$(test-path-utils real_path "///$nopath")" &&
 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 'real path removes other extra slashes' '
 176         nopath="hopefully-absent-path" &&
 177         # Find an existing top-level directory for the remaining tests:
 178         d=$(pwd -P | sed -e "s|^\([^/]*/[^/]*\)/.*|\1|") &&
 179         test "$d" = "$(test-path-utils real_path "$d///")" &&
 180         test "$d/$nopath" = "$(test-path-utils real_path "$d///$nopath")"
 181 '
 182
 183 test_expect_success SYMLINKS 'real path works on symlinks' '
 184         mkdir first &&
 185         ln -s ../.git first/.git &&
 186         mkdir second &&
 187         ln -s ../first second/other &&
 188         mkdir third &&
 189         dir="$(cd .git; pwd -P)" &&
 190         dir2=third/../second/other/.git &&
 191         test "$dir" = "$(test-path-utils real_path $dir2)" &&
 192         file="$dir"/index &&
 193         test "$file" = "$(test-path-utils real_path $dir2/index)" &&
 194         basename=blub &&
 195         test "$dir/$basename" = "$(cd .git && test-path-utils real_path "$basename")" &&
 196         ln -s ../first/file .git/syml &&
 197         sym="$(cd first; pwd -P)"/file &&
 198         test "$sym" = "$(test-path-utils real_path "$dir2/syml")"
 199 '
 200
 201 test_expect_success SYMLINKS 'prefix_path works with absolute paths to work tree symlinks' '
 202         ln -s target symlink &&
 203         test "$(test-path-utils prefix_path prefix "$(pwd)/symlink")" = "symlink"
 204 '
 205
 206 test_expect_success 'prefix_path works with only absolute path to work tree' '
 207         echo "" >expected &&
 208         test-path-utils prefix_path prefix "$(pwd)" >actual &&
 209         test_cmp expected actual
 210 '
 211
 212 test_expect_success 'prefix_path rejects absolute path to dir with same beginning as work tree' '
 213         test_must_fail test-path-utils prefix_path prefix "$(pwd)a"
 214 '
 215
 216 test_expect_success SYMLINKS 'prefix_path works with absolute path to a symlink to work tree having  same beginning as work tree' '
 217         git init repo &&
 218         ln -s repo repolink &&
 219         test "a" = "$(cd repo && test-path-utils prefix_path prefix "$(pwd)/../repolink/a")"
 220 '
 221
 222 relative_path /foo/a/b/c/       /foo/a/b/       c/
 223 relative_path /foo/a/b/c/       /foo/a/b        c/
 224 relative_path /foo/a//b//c/     ///foo/a/b//    c/              POSIX
 225 relative_path /foo/a/b          /foo/a/b        ./
 226 relative_path /foo/a/b/         /foo/a/b        ./
 227 relative_path /foo/a            /foo/a/b        ../
 228 relative_path /                 /foo/a/b/       ../../../
 229 relative_path /foo/a/c          /foo/a/b/       ../c
 230 relative_path /foo/a/c          /foo/a/b        ../c
 231 relative_path /foo/x/y          /foo/a/b/       ../../x/y
 232 relative_path /foo/a/b          "<empty>"       /foo/a/b
 233 relative_path /foo/a/b          "<null>"        /foo/a/b
 234 relative_path foo/a/b/c/        foo/a/b/        c/
 235 relative_path foo/a/b/c/        foo/a/b         c/
 236 relative_path foo/a/b//c        foo/a//b        c
 237 relative_path foo/a/b/          foo/a/b/        ./
 238 relative_path foo/a/b/          foo/a/b         ./
 239 relative_path foo/a             foo/a/b         ../
 240 relative_path foo/x/y           foo/a/b         ../../x/y
 241 relative_path foo/a/c           foo/a/b         ../c
 242 relative_path foo/a/b           /foo/x/y        foo/a/b
 243 relative_path /foo/a/b          foo/x/y         /foo/a/b
 244 relative_path d:/a/b            D:/a/c          ../b            MINGW
 245 relative_path C:/a/b            D:/a/c          C:/a/b          MINGW
 246 relative_path foo/a/b           "<empty>"       foo/a/b
 247 relative_path foo/a/b           "<null>"        foo/a/b
 248 relative_path "<empty>"         /foo/a/b        ./
 249 relative_path "<empty>"         "<empty>"       ./
 250 relative_path "<empty>"         "<null>"        ./
 251 relative_path "<null>"          "<empty>"       ./
 252 relative_path "<null>"          "<null>"        ./
 253 relative_path "<null>"          /foo/a/b        ./
 254
 255 test_git_path A=B                info/grafts .git/info/grafts
 256 test_git_path GIT_GRAFT_FILE=foo info/grafts foo
 257 test_git_path GIT_GRAFT_FILE=foo info/////grafts foo
 258 test_git_path GIT_INDEX_FILE=foo index foo
 259 test_git_path GIT_INDEX_FILE=foo index/foo .git/index/foo
 260 test_git_path GIT_INDEX_FILE=foo index2 .git/index2
 261 test_expect_success 'setup fake objects directory foo' 'mkdir foo'
 262 test_git_path GIT_OBJECT_DIRECTORY=foo objects foo
 263 test_git_path GIT_OBJECT_DIRECTORY=foo objects/foo foo/foo
 264 test_git_path GIT_OBJECT_DIRECTORY=foo objects2 .git/objects2
 265 test_expect_success 'setup common repository' 'git --git-dir=bar init'
 266 test_git_path GIT_COMMON_DIR=bar index                    .git/index
 267 test_git_path GIT_COMMON_DIR=bar HEAD                     .git/HEAD
 268 test_git_path GIT_COMMON_DIR=bar logs/HEAD                .git/logs/HEAD
 269 test_git_path GIT_COMMON_DIR=bar objects                  bar/objects
 270 test_git_path GIT_COMMON_DIR=bar objects/bar              bar/objects/bar
 271 test_git_path GIT_COMMON_DIR=bar info/exclude             bar/info/exclude
 272 test_git_path GIT_COMMON_DIR=bar info/grafts              bar/info/grafts
 273 test_git_path GIT_COMMON_DIR=bar info/sparse-checkout     .git/info/sparse-checkout
 274 test_git_path GIT_COMMON_DIR=bar info//sparse-checkout    .git/info//sparse-checkout
 275 test_git_path GIT_COMMON_DIR=bar remotes/bar              bar/remotes/bar
 276 test_git_path GIT_COMMON_DIR=bar branches/bar             bar/branches/bar
 277 test_git_path GIT_COMMON_DIR=bar logs/refs/heads/master   bar/logs/refs/heads/master
 278 test_git_path GIT_COMMON_DIR=bar refs/heads/master        bar/refs/heads/master
 279 test_git_path GIT_COMMON_DIR=bar hooks/me                 bar/hooks/me
 280 test_git_path GIT_COMMON_DIR=bar config                   bar/config
 281 test_git_path GIT_COMMON_DIR=bar packed-refs              bar/packed-refs
 282 test_git_path GIT_COMMON_DIR=bar shallow                  bar/shallow
 283
 284 test_done