git/t/t0060-path-utils.sh
Johannes Sixt bacca7852f t0060: split absolute path test in two to exercise some of it on Windows
Only the first half of the test works only on POSIX, the second half
passes on Windows as well.

A later test "real path removes other extra slashes" looks very similar,
but it does not make sense to split it in the same way: When two slashes
are prepended in front of an absolute DOS-style path on Windows, the
meaning of the path is changed (//server/share style), so that the test
cannot pass on Windows.

Signed-off-by: Johannes Sixt <j6t@kdbg.org>
Acked-by: Michael Haggerty <mhagger@alum.mit.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-09-10 09:31:44 -07:00

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#!/bin/sh
#
# Copyright (c) 2008 David Reiss
#
test_description='Test various path utilities'
. ./test-lib.sh
norm_path() {
test_expect_success $3 "normalize path: $1 => $2" \
"test \"\$(test-path-utils normalize_path_copy '$1')\" = '$2'"
}
# On Windows, we are using MSYS's bash, which mangles the paths.
# Absolute paths are anchored at the MSYS installation directory,
# which means that the path / accounts for this many characters:
rootoff=$(test-path-utils normalize_path_copy / | wc -c)
# Account for the trailing LF:
if test $rootoff = 2; then
rootoff= # we are on Unix
else
rootoff=$(($rootoff-1))
fi
ancestor() {
# We do some math with the expected ancestor length.
expected=$3
if test -n "$rootoff" && test "x$expected" != x-1; then
expected=$(($expected+$rootoff))
fi
test_expect_success "longest ancestor: $1 $2 => $expected" \
"actual=\$(test-path-utils longest_ancestor_length '$1' '$2') &&
test \"\$actual\" = '$expected'"
}
# Absolute path tests must be skipped on Windows because due to path mangling
# the test program never sees a POSIX-style absolute path
case $(uname -s) in
*MINGW*)
;;
*)
test_set_prereq POSIX
;;
esac
norm_path "" ""
norm_path . ""
norm_path ./ ""
norm_path ./. ""
norm_path ./.. ++failed++
norm_path ../. ++failed++
norm_path ./../.// ++failed++
norm_path dir/.. ""
norm_path dir/sub/../.. ""
norm_path dir/sub/../../.. ++failed++
norm_path dir dir
norm_path dir// dir/
norm_path ./dir dir
norm_path dir/. dir/
norm_path dir///./ dir/
norm_path dir//sub/.. dir/
norm_path dir/sub/../ dir/
norm_path dir/sub/../. dir/
norm_path dir/s1/../s2/ dir/s2/
norm_path d1/s1///s2/..//../s3/ d1/s3/
norm_path d1/s1//../s2/../../d2 d2
norm_path d1/.../d2 d1/.../d2
norm_path d1/..././../d2 d1/d2
norm_path / / POSIX
norm_path // / POSIX
norm_path /// / POSIX
norm_path /. / POSIX
norm_path /./ / POSIX
norm_path /./.. ++failed++ POSIX
norm_path /../. ++failed++ POSIX
norm_path /./../.// ++failed++ POSIX
norm_path /dir/.. / POSIX
norm_path /dir/sub/../.. / POSIX
norm_path /dir/sub/../../.. ++failed++ POSIX
norm_path /dir /dir POSIX
norm_path /dir// /dir/ POSIX
norm_path /./dir /dir POSIX
norm_path /dir/. /dir/ POSIX
norm_path /dir///./ /dir/ POSIX
norm_path /dir//sub/.. /dir/ POSIX
norm_path /dir/sub/../ /dir/ POSIX
norm_path //dir/sub/../. /dir/ POSIX
norm_path /dir/s1/../s2/ /dir/s2/ POSIX
norm_path /d1/s1///s2/..//../s3/ /d1/s3/ POSIX
norm_path /d1/s1//../s2/../../d2 /d2 POSIX
norm_path /d1/.../d2 /d1/.../d2 POSIX
norm_path /d1/..././../d2 /d1/d2 POSIX
ancestor / "" -1
ancestor / / -1
ancestor /foo "" -1
ancestor /foo : -1
ancestor /foo ::. -1
ancestor /foo ::..:: -1
ancestor /foo / 0
ancestor /foo /fo -1
ancestor /foo /foo -1
ancestor /foo /foo/ -1
ancestor /foo /bar -1
ancestor /foo /bar/ -1
ancestor /foo /foo/bar -1
ancestor /foo /foo:/bar/ -1
ancestor /foo /foo/:/bar/ -1
ancestor /foo /foo::/bar/ -1
ancestor /foo /:/foo:/bar/ 0
ancestor /foo /foo:/:/bar/ 0
ancestor /foo /:/bar/:/foo 0
ancestor /foo/bar "" -1
ancestor /foo/bar / 0
ancestor /foo/bar /fo -1
ancestor /foo/bar foo -1
ancestor /foo/bar /foo 4
ancestor /foo/bar /foo/ 4
ancestor /foo/bar /foo/ba -1
ancestor /foo/bar /:/fo 0
ancestor /foo/bar /foo:/foo/ba 4
ancestor /foo/bar /bar -1
ancestor /foo/bar /bar/ -1
ancestor /foo/bar /fo: -1
ancestor /foo/bar :/fo -1
ancestor /foo/bar /foo:/bar/ 4
ancestor /foo/bar /:/foo:/bar/ 4
ancestor /foo/bar /foo:/:/bar/ 4
ancestor /foo/bar /:/bar/:/fo 0
ancestor /foo/bar /:/bar/ 0
ancestor /foo/bar .:/foo/. 4
ancestor /foo/bar .:/foo/.:.: 4
ancestor /foo/bar /foo/./:.:/bar 4
ancestor /foo/bar .:/bar -1
test_expect_success 'strip_path_suffix' '
test c:/msysgit = $(test-path-utils strip_path_suffix \
c:/msysgit/libexec//git-core libexec/git-core)
'
test_expect_success 'absolute path rejects the empty string' '
test_must_fail test-path-utils absolute_path ""
'
test_expect_success 'real path rejects the empty string' '
test_must_fail test-path-utils real_path ""
'
test_expect_success POSIX 'real path works on absolute paths 1' '
nopath="hopefully-absent-path" &&
test "/" = "$(test-path-utils real_path "/")" &&
test "/$nopath" = "$(test-path-utils real_path "/$nopath")"
'
test_expect_success 'real path works on absolute paths 2' '
nopath="hopefully-absent-path" &&
# Find an existing top-level directory for the remaining tests:
d=$(pwd -P | sed -e "s|^\([^/]*/[^/]*\)/.*|\1|") &&
test "$d" = "$(test-path-utils real_path "$d")" &&
test "$d/$nopath" = "$(test-path-utils real_path "$d/$nopath")"
'
test_expect_success POSIX 'real path removes extra leading slashes' '
nopath="hopefully-absent-path" &&
test "/" = "$(test-path-utils real_path "///")" &&
test "/$nopath" = "$(test-path-utils real_path "///$nopath")" &&
# Find an existing top-level directory for the remaining tests:
d=$(pwd -P | sed -e "s|^\([^/]*/[^/]*\)/.*|\1|") &&
test "$d" = "$(test-path-utils real_path "//$d")" &&
test "$d/$nopath" = "$(test-path-utils real_path "//$d/$nopath")"
'
test_expect_success 'real path removes other extra slashes' '
nopath="hopefully-absent-path" &&
# Find an existing top-level directory for the remaining tests:
d=$(pwd -P | sed -e "s|^\([^/]*/[^/]*\)/.*|\1|") &&
test "$d" = "$(test-path-utils real_path "$d///")" &&
test "$d/$nopath" = "$(test-path-utils real_path "$d///$nopath")"
'
test_expect_success SYMLINKS 'real path works on symlinks' '
mkdir first &&
ln -s ../.git first/.git &&
mkdir second &&
ln -s ../first second/other &&
mkdir third &&
dir="$(cd .git; pwd -P)" &&
dir2=third/../second/other/.git &&
test "$dir" = "$(test-path-utils real_path $dir2)" &&
file="$dir"/index &&
test "$file" = "$(test-path-utils real_path $dir2/index)" &&
basename=blub &&
test "$dir/$basename" = "$(cd .git && test-path-utils real_path "$basename")" &&
ln -s ../first/file .git/syml &&
sym="$(cd first; pwd -P)"/file &&
test "$sym" = "$(test-path-utils real_path "$dir2/syml")"
'
test_done