1#!/bin/bash
2
3[ -f testing.sh ] && . testing.sh
4
5#testing "name" "command" "result" "infile" "stdin"
6
7APWD="$(pwd -P)"
8
9testing "missing" "readlink notfound || echo yes" "yes\n" "" ""
10
11# simple tests on a file
12
13touch file
14testing "file" "readlink file || echo yes" "yes\n" "" ""
15testing "-f dir" "readlink -f ." "$APWD\n" "" ""
16testing "-f missing" "readlink -f notfound" "$APWD/notfound\n" "" ""
17
18ln -sf notfound link
19testing "link" "readlink link" "notfound\n" "" ""
20testing "link->missing" "readlink -f link" "$APWD/notfound\n" "" ""
21ln -sf ../../ link
22testing "stays relative" "readlink link" "../../\n" "" ""
23rm link
24ln -sf file link
25testing "-f link->file" "readlink -f link" "$APWD/file\n" "" ""
26ln -sf . link
27testing "-f link->dir" "readlink -f link" "$APWD\n" "" ""
28ln -snf link link
29testing "link->link (recursive)" "readlink link" "link\n" "" ""
30testing "-f link->link (recursive)" \
31  "readlink -f link 2>/dev/null || echo yes" "yes\n" "" ""
32
33testing "-q notlink" "readlink -q file || echo yes" "yes\n" "" ""
34testing "-q link" "readlink -q link && echo yes" "yes\n" "" ""
35testing "-q notfound" "readlink -q notfound || echo yes" "yes\n" "" ""
36testing "-e found" "readlink -e file" "$APWD/file\n" "" ""
37testing "-e notfound" \
38  "readlink -e notfound 2>/dev/null || echo yes" "yes\n" "" ""
39testing "-nf ." "readlink -nf ." "$APWD" "" ""
40
41mkdir sub &&
42ln -s . here &&
43ln -s ./sub dir &&
44touch sub/bang || exit 1
45testing "-f multi" "readlink -f dir/../here/dir/bang" \
46  "$APWD/sub/bang\n" "" ""
47testing "-f link/missing" "readlink -f dir/boing" \
48  "$APWD/sub/boing\n" "" ""
49testing "-f /dev/null/file" \
50  "readlink -f /dev/null/file 2>/dev/null || echo yes" "yes\n" "" ""
51ln -sf / link || exit 1
52testing "-f link->/" "readlink -e link/dev" "/dev\n" "" ""
53testing "-f /dev/null/.." \
54  "readlink -f link/null/.. 2>/dev/null || echo yes" "yes\n" "" ""
55rm -f link && ln -sf link link || exit 1
56testing "recurse" "readlink link" "link\n" "" ""
57
58rm file link sub/bang dir here
59rmdir sub
60
61# Make sure circular links don't run away.
62
63ln -s link1 link2
64ln -s link2 link1
65testing "follow recursive2" "readlink -f link1 || echo yes" \
66	"yes\n" "" ""
67rm link1 link2
68