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-rwxr-xr-xt/t0060-path-utils.sh247
1 files changed, 247 insertions, 0 deletions
diff --git a/t/t0060-path-utils.sh b/t/t0060-path-utils.sh
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+#!/bin/sh
+#
+# Copyright (c) 2008 David Reiss
+#
+
+test_description='Test various path utilities'
+
+. ./test-lib.sh
+
+norm_path() {
+ expected=$(test-path-utils print_path "$2")
+ test_expect_success $3 "normalize path: $1 => $2" \
+ "test \"\$(test-path-utils normalize_path_copy '$1')\" = '$expected'"
+}
+
+relative_path() {
+ expected=$(test-path-utils print_path "$3")
+ test_expect_success $4 "relative path: $1 $2 => $3" \
+ "test \"\$(test-path-utils relative_path '$1' '$2')\" = '$expected'"
+}
+
+# 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'"
+}
+
+# Some absolute path tests should be skipped on Windows due to path mangling
+# on POSIX-style absolute paths
+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 / /
+norm_path // / POSIX
+norm_path /// / POSIX
+norm_path /. /
+norm_path /./ / POSIX
+norm_path /./.. ++failed++ POSIX
+norm_path /../. ++failed++
+norm_path /./../.// ++failed++ POSIX
+norm_path /dir/.. / POSIX
+norm_path /dir/sub/../.. / POSIX
+norm_path /dir/sub/../../.. ++failed++ POSIX
+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/ POSIX
+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
+
+ancestor / / -1
+ancestor /foo / 0
+ancestor /foo /fo -1
+ancestor /foo /foo -1
+ancestor /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 / 0
+ancestor /foo/bar /fo -1
+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 /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:/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 "$dir2/syml")"
+'
+
+test_expect_success SYMLINKS 'prefix_path works with absolute paths to work tree symlinks' '
+ ln -s target symlink &&
+ test "$(test-path-utils prefix_path prefix "$(pwd)/symlink")" = "symlink"
+'
+
+test_expect_success 'prefix_path works with only absolute path to work tree' '
+ echo "" >expected &&
+ test-path-utils prefix_path prefix "$(pwd)" >actual &&
+ test_cmp expected actual
+'
+
+test_expect_success 'prefix_path rejects absolute path to dir with same beginning as work tree' '
+ test_must_fail test-path-utils prefix_path prefix "$(pwd)a"
+'
+
+test_expect_success SYMLINKS 'prefix_path works with absolute path to a symlink to work tree having same beginning as work tree' '
+ git init repo &&
+ ln -s repo repolink &&
+ test "a" = "$(cd repo && test-path-utils prefix_path prefix "$(pwd)/../repolink/a")"
+'
+
+relative_path /foo/a/b/c/ /foo/a/b/ c/
+relative_path /foo/a/b/c/ /foo/a/b c/
+relative_path /foo/a//b//c/ ///foo/a/b// c/ POSIX
+relative_path /foo/a/b /foo/a/b ./
+relative_path /foo/a/b/ /foo/a/b ./
+relative_path /foo/a /foo/a/b ../
+relative_path / /foo/a/b/ ../../../
+relative_path /foo/a/c /foo/a/b/ ../c
+relative_path /foo/a/c /foo/a/b ../c
+relative_path /foo/x/y /foo/a/b/ ../../x/y
+relative_path /foo/a/b "<empty>" /foo/a/b
+relative_path /foo/a/b "<null>" /foo/a/b
+relative_path foo/a/b/c/ foo/a/b/ c/
+relative_path foo/a/b/c/ foo/a/b c/
+relative_path foo/a/b//c foo/a//b c
+relative_path foo/a/b/ foo/a/b/ ./
+relative_path foo/a/b/ foo/a/b ./
+relative_path foo/a foo/a/b ../
+relative_path foo/x/y foo/a/b ../../x/y
+relative_path foo/a/c foo/a/b ../c
+relative_path foo/a/b /foo/x/y foo/a/b
+relative_path /foo/a/b foo/x/y /foo/a/b
+relative_path d:/a/b D:/a/c ../b MINGW
+relative_path C:/a/b D:/a/c C:/a/b MINGW
+relative_path foo/a/b "<empty>" foo/a/b
+relative_path foo/a/b "<null>" foo/a/b
+relative_path "<empty>" /foo/a/b ./
+relative_path "<empty>" "<empty>" ./
+relative_path "<empty>" "<null>" ./
+relative_path "<null>" "<empty>" ./
+relative_path "<null>" "<null>" ./
+relative_path "<null>" /foo/a/b ./
+
+test_done