t9903: Don't fail when run from path accessed through symlink
[git] / 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