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