Merge branch 'nd/magic-pathspec'
[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         expected=$(test-path-utils mingw_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 mingw_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 relative_path /a/b/c/   /a/b/           c/
194 relative_path /a/b/c/   /a/b            c/
195 relative_path /a//b//c/ //a/b//         c/      POSIX
196 relative_path /a/b      /a/b            ./
197 relative_path /a/b/     /a/b            ./
198 relative_path /a        /a/b            ../
199 relative_path /         /a/b/           ../../
200 relative_path /a/c      /a/b/           ../c
201 relative_path /a/c      /a/b            ../c
202 relative_path /x/y      /a/b/           ../../x/y
203 relative_path /a/b      "<empty>"       /a/b
204 relative_path /a/b      "<null>"        /a/b
205 relative_path a/b/c/    a/b/            c/
206 relative_path a/b/c/    a/b             c/
207 relative_path a/b//c    a//b            c
208 relative_path a/b/      a/b/            ./
209 relative_path a/b/      a/b             ./
210 relative_path a         a/b             ../
211 relative_path x/y       a/b             ../../x/y
212 relative_path a/c       a/b             ../c
213 relative_path a/b       "<empty>"       a/b
214 relative_path a/b       "<null>"        a/b
215 relative_path "<empty>" /a/b            ./
216 relative_path "<empty>" "<empty>"       ./
217 relative_path "<empty>" "<null>"        ./
218 relative_path "<null>"  "<empty>"       ./
219 relative_path "<null>"  "<null>"        ./
220 relative_path "<null>"  /a/b            ./
221
222 test_done