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 $rootoff = 2; then
  36         rootoff=        # we are on Unix
  37 else
  38         rootoff=$(($rootoff-1))
  39         # In MSYS2, the root directory "/" is translated into a Windows
  40         # directory *with* trailing slash. Let's test for that and adjust
  41         # our expected longest ancestor length accordingly.
  42         case "$(test-path-utils print_path /)" in
  43         */) rootslash=1;;
  44         *) rootslash=0;;
  45         esac
  46 fi
  47
  48 ancestor() {
  49         # We do some math with the expected ancestor length.
  50         expected=$3
  51         if test -n "$rootoff" && test "x$expected" != x-1; then
  52                 expected=$(($expected-$rootslash))
  53                 test $expected -lt 0 ||
  54                 expected=$(($expected+$rootoff))
  55         fi
  56         test_expect_success "longest ancestor: $1 $2 => $expected" \
  57         "actual=\$(test-path-utils longest_ancestor_length '$1' '$2') &&
  58          test \"\$actual\" = '$expected'"
  59 }
  60
  61 # Some absolute path tests should be skipped on Windows due to path mangling
  62 # on POSIX-style absolute paths
  63 case $(uname -s) in
  64 *MINGW*)
  65         ;;
  66 *)
  67         test_set_prereq POSIX
  68         ;;
  69 esac
  70
  71 test_expect_success basename 'test-path-utils basename'
  72 test_expect_success dirname 'test-path-utils dirname'
  73
  74 norm_path "" ""
  75 norm_path . ""
  76 norm_path ./ ""
  77 norm_path ./. ""
  78 norm_path ./.. ++failed++
  79 norm_path ../. ++failed++
  80 norm_path ./../.// ++failed++
  81 norm_path dir/.. ""
  82 norm_path dir/sub/../.. ""
  83 norm_path dir/sub/../../.. ++failed++
  84 norm_path dir dir
  85 norm_path dir// dir/
  86 norm_path ./dir dir
  87 norm_path dir/. dir/
  88 norm_path dir///./ dir/
  89 norm_path dir//sub/.. dir/
  90 norm_path dir/sub/../ dir/
  91 norm_path dir/sub/../. dir/
  92 norm_path dir/s1/../s2/ dir/s2/
  93 norm_path d1/s1///s2/..//../s3/ d1/s3/
  94 norm_path d1/s1//../s2/../../d2 d2
  95 norm_path d1/.../d2 d1/.../d2
  96 norm_path d1/..././../d2 d1/d2
  97
  98 norm_path / /
  99 norm_path // / POSIX
 100 norm_path /// / POSIX
 101 norm_path /. /
 102 norm_path /./ / POSIX
 103 norm_path /./.. ++failed++ POSIX
 104 norm_path /../. ++failed++
 105 norm_path /./../.// ++failed++ POSIX
 106 norm_path /dir/.. / POSIX
 107 norm_path /dir/sub/../.. / POSIX
 108 norm_path /dir/sub/../../.. ++failed++ POSIX
 109 norm_path /dir /dir
 110 norm_path /dir// /dir/
 111 norm_path /./dir /dir
 112 norm_path /dir/. /dir/
 113 norm_path /dir///./ /dir/
 114 norm_path /dir//sub/.. /dir/
 115 norm_path /dir/sub/../ /dir/
 116 norm_path //dir/sub/../. /dir/ POSIX
 117 norm_path /dir/s1/../s2/ /dir/s2/
 118 norm_path /d1/s1///s2/..//../s3/ /d1/s3/
 119 norm_path /d1/s1//../s2/../../d2 /d2
 120 norm_path /d1/.../d2 /d1/.../d2
 121 norm_path /d1/..././../d2 /d1/d2
 122
 123 ancestor / / -1
 124 ancestor /foo / 0
 125 ancestor /foo /fo -1
 126 ancestor /foo /foo -1
 127 ancestor /foo /bar -1
 128 ancestor /foo /foo/bar -1
 129 ancestor /foo /foo:/bar -1
 130 ancestor /foo /:/foo:/bar 0
 131 ancestor /foo /foo:/:/bar 0
 132 ancestor /foo /:/bar:/foo 0
 133 ancestor /foo/bar / 0
 134 ancestor /foo/bar /fo -1
 135 ancestor /foo/bar /foo 4
 136 ancestor /foo/bar /foo/ba -1
 137 ancestor /foo/bar /:/fo 0
 138 ancestor /foo/bar /foo:/foo/ba 4
 139 ancestor /foo/bar /bar -1
 140 ancestor /foo/bar /fo -1
 141 ancestor /foo/bar /foo:/bar 4
 142 ancestor /foo/bar /:/foo:/bar 4
 143 ancestor /foo/bar /foo:/:/bar 4
 144 ancestor /foo/bar /:/bar:/fo 0
 145 ancestor /foo/bar /:/bar 0
 146 ancestor /foo/bar /foo 4
 147 ancestor /foo/bar /foo:/bar 4
 148 ancestor /foo/bar /bar -1
 149
 150 test_expect_success 'strip_path_suffix' '
 151         test c:/msysgit = $(test-path-utils strip_path_suffix \
 152                 c:/msysgit/libexec//git-core libexec/git-core)
 153 '
 154
 155 test_expect_success 'absolute path rejects the empty string' '
 156         test_must_fail test-path-utils absolute_path ""
 157 '
 158
 159 test_expect_success 'real path rejects the empty string' '
 160         test_must_fail test-path-utils real_path ""
 161 '
 162
 163 test_expect_success POSIX 'real path works on absolute paths 1' '
 164         nopath="hopefully-absent-path" &&
 165         test "/" = "$(test-path-utils real_path "/")" &&
 166         test "/$nopath" = "$(test-path-utils real_path "/$nopath")"
 167 '
 168
 169 test_expect_success 'real path works on absolute paths 2' '
 170         nopath="hopefully-absent-path" &&
 171         # Find an existing top-level directory for the remaining tests:
 172         d=$(pwd -P | sed -e "s|^\([^/]*/[^/]*\)/.*|\1|") &&
 173         test "$d" = "$(test-path-utils real_path "$d")" &&
 174         test "$d/$nopath" = "$(test-path-utils real_path "$d/$nopath")"
 175 '
 176
 177 test_expect_success POSIX 'real path removes extra leading slashes' '
 178         nopath="hopefully-absent-path" &&
 179         test "/" = "$(test-path-utils real_path "///")" &&
 180         test "/$nopath" = "$(test-path-utils real_path "///$nopath")" &&
 181         # Find an existing top-level directory for the remaining tests:
 182         d=$(pwd -P | sed -e "s|^\([^/]*/[^/]*\)/.*|\1|") &&
 183         test "$d" = "$(test-path-utils real_path "//$d")" &&
 184         test "$d/$nopath" = "$(test-path-utils real_path "//$d/$nopath")"
 185 '
 186
 187 test_expect_success 'real path removes other extra slashes' '
 188         nopath="hopefully-absent-path" &&
 189         # Find an existing top-level directory for the remaining tests:
 190         d=$(pwd -P | sed -e "s|^\([^/]*/[^/]*\)/.*|\1|") &&
 191         test "$d" = "$(test-path-utils real_path "$d///")" &&
 192         test "$d/$nopath" = "$(test-path-utils real_path "$d///$nopath")"
 193 '
 194
 195 test_expect_success SYMLINKS 'real path works on symlinks' '
 196         mkdir first &&
 197         ln -s ../.git first/.git &&
 198         mkdir second &&
 199         ln -s ../first second/other &&
 200         mkdir third &&
 201         dir="$(cd .git; pwd -P)" &&
 202         dir2=third/../second/other/.git &&
 203         test "$dir" = "$(test-path-utils real_path $dir2)" &&
 204         file="$dir"/index &&
 205         test "$file" = "$(test-path-utils real_path $dir2/index)" &&
 206         basename=blub &&
 207         test "$dir/$basename" = "$(cd .git && test-path-utils real_path "$basename")" &&
 208         ln -s ../first/file .git/syml &&
 209         sym="$(cd first; pwd -P)"/file &&
 210         test "$sym" = "$(test-path-utils real_path "$dir2/syml")"
 211 '
 212
 213 test_expect_success SYMLINKS 'prefix_path works with absolute paths to work tree symlinks' '
 214         ln -s target symlink &&
 215         test "$(test-path-utils prefix_path prefix "$(pwd)/symlink")" = "symlink"
 216 '
 217
 218 test_expect_success 'prefix_path works with only absolute path to work tree' '
 219         echo "" >expected &&
 220         test-path-utils prefix_path prefix "$(pwd)" >actual &&
 221         test_cmp expected actual
 222 '
 223
 224 test_expect_success 'prefix_path rejects absolute path to dir with same beginning as work tree' '
 225         test_must_fail test-path-utils prefix_path prefix "$(pwd)a"
 226 '
 227
 228 test_expect_success SYMLINKS 'prefix_path works with absolute path to a symlink to work tree having  same beginning as work tree' '
 229         git init repo &&
 230         ln -s repo repolink &&
 231         test "a" = "$(cd repo && test-path-utils prefix_path prefix "$(pwd)/../repolink/a")"
 232 '
 233
 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/              POSIX
 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/a/b/       ../../../
 241 relative_path /foo/a/c          /foo/a/b/       ../c
 242 relative_path /foo/a/c          /foo/a/b        ../c
 243 relative_path /foo/x/y          /foo/a/b/       ../../x/y
 244 relative_path /foo/a/b          "<empty>"       /foo/a/b
 245 relative_path /foo/a/b          "<null>"        /foo/a/b
 246 relative_path foo/a/b/c/        foo/a/b/        c/
 247 relative_path foo/a/b/c/        foo/a/b         c/
 248 relative_path foo/a/b//c        foo/a//b        c
 249 relative_path foo/a/b/          foo/a/b/        ./
 250 relative_path foo/a/b/          foo/a/b         ./
 251 relative_path foo/a             foo/a/b         ../
 252 relative_path foo/x/y           foo/a/b         ../../x/y
 253 relative_path foo/a/c           foo/a/b         ../c
 254 relative_path foo/a/b           /foo/x/y        foo/a/b
 255 relative_path /foo/a/b          foo/x/y         /foo/a/b
 256 relative_path d:/a/b            D:/a/c          ../b            MINGW
 257 relative_path C:/a/b            D:/a/c          C:/a/b          MINGW
 258 relative_path foo/a/b           "<empty>"       foo/a/b
 259 relative_path foo/a/b           "<null>"        foo/a/b
 260 relative_path "<empty>"         /foo/a/b        ./
 261 relative_path "<empty>"         "<empty>"       ./
 262 relative_path "<empty>"         "<null>"        ./
 263 relative_path "<null>"          "<empty>"       ./
 264 relative_path "<null>"          "<null>"        ./
 265 relative_path "<null>"          /foo/a/b        ./
 266
 267 test_git_path A=B                info/grafts .git/info/grafts
 268 test_git_path GIT_GRAFT_FILE=foo info/grafts foo
 269 test_git_path GIT_GRAFT_FILE=foo info/////grafts foo
 270 test_git_path GIT_INDEX_FILE=foo index foo
 271 test_git_path GIT_INDEX_FILE=foo index/foo .git/index/foo
 272 test_git_path GIT_INDEX_FILE=foo index2 .git/index2
 273 test_expect_success 'setup fake objects directory foo' 'mkdir foo'
 274 test_git_path GIT_OBJECT_DIRECTORY=foo objects foo
 275 test_git_path GIT_OBJECT_DIRECTORY=foo objects/foo foo/foo
 276 test_git_path GIT_OBJECT_DIRECTORY=foo objects2 .git/objects2
 277 test_expect_success 'setup common repository' 'git --git-dir=bar init'
 278 test_git_path GIT_COMMON_DIR=bar index                    .git/index
 279 test_git_path GIT_COMMON_DIR=bar HEAD                     .git/HEAD
 280 test_git_path GIT_COMMON_DIR=bar logs/HEAD                .git/logs/HEAD
 281 test_git_path GIT_COMMON_DIR=bar logs/refs/bisect/foo     .git/logs/refs/bisect/foo
 282 test_git_path GIT_COMMON_DIR=bar logs/refs/bisec/foo      bar/logs/refs/bisec/foo
 283 test_git_path GIT_COMMON_DIR=bar logs/refs/bisec          bar/logs/refs/bisec
 284 test_git_path GIT_COMMON_DIR=bar logs/refs/bisectfoo      bar/logs/refs/bisectfoo
 285 test_git_path GIT_COMMON_DIR=bar objects                  bar/objects
 286 test_git_path GIT_COMMON_DIR=bar objects/bar              bar/objects/bar
 287 test_git_path GIT_COMMON_DIR=bar info/exclude             bar/info/exclude
 288 test_git_path GIT_COMMON_DIR=bar info/grafts              bar/info/grafts
 289 test_git_path GIT_COMMON_DIR=bar info/sparse-checkout     .git/info/sparse-checkout
 290 test_git_path GIT_COMMON_DIR=bar info//sparse-checkout    .git/info//sparse-checkout
 291 test_git_path GIT_COMMON_DIR=bar remotes/bar              bar/remotes/bar
 292 test_git_path GIT_COMMON_DIR=bar branches/bar             bar/branches/bar
 293 test_git_path GIT_COMMON_DIR=bar logs/refs/heads/master   bar/logs/refs/heads/master
 294 test_git_path GIT_COMMON_DIR=bar refs/heads/master        bar/refs/heads/master
 295 test_git_path GIT_COMMON_DIR=bar refs/bisect/foo          .git/refs/bisect/foo
 296 test_git_path GIT_COMMON_DIR=bar hooks/me                 bar/hooks/me
 297 test_git_path GIT_COMMON_DIR=bar config                   bar/config
 298 test_git_path GIT_COMMON_DIR=bar packed-refs              bar/packed-refs
 299 test_git_path GIT_COMMON_DIR=bar shallow                  bar/shallow
 300
 301 test_done