toybox/tests/readlink.test
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   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" "$APWD/notfound\n" "" ""
  17
  18ln -sf notfound link
  19testing "link" "readlink link" "notfound\n" "" ""
  20testing "links" "readlink link link" "notfound\nnotfound\n" "" ""
  21testing "link->missing" "readlink -f link" "$APWD/notfound\n" "" ""
  22ln -sf ../../ link
  23testing "stays relative" "readlink link" "../../\n" "" ""
  24rm link
  25ln -sf file link
  26testing "-f link->file" "readlink -f link" "$APWD/file\n" "" ""
  27ln -sf . link
  28testing "-f link->dir" "readlink -f link" "$APWD\n" "" ""
  29ln -snf link link
  30testing "link->link (recursive)" "readlink link" "link\n" "" ""
  31testing "-f link->link (recursive)" \
  32  "readlink -f link 2>/dev/null || echo yes" "yes\n" "" ""
  33
  34testing "-q notlink" "readlink -q file || echo yes" "yes\n" "" ""
  35testing "-q link" "readlink -q link && echo yes" "yes\n" "" ""
  36testing "-q notfound" "readlink -q notfound || echo yes" "yes\n" "" ""
  37testing "-e found" "readlink -e file" "$APWD/file\n" "" ""
  38testing "-e notfound" \
  39  "readlink -e notfound 2>/dev/null || echo yes" "yes\n" "" ""
  40testing "-nf ." "readlink -nf ." "$APWD" "" ""
  41
  42mkdir sub &&
  43ln -s . here &&
  44ln -s ./sub dir &&
  45touch sub/bang || exit 1
  46testing "-f multi" "readlink -f dir/../here/dir/bang" \
  47  "$APWD/sub/bang\n" "" ""
  48testing "-f link/missing" "readlink -f dir/boing" \
  49  "$APWD/sub/boing\n" "" ""
  50testing "-f /dev/null/file" \
  51  "readlink -f /dev/null/file 2>/dev/null || echo yes" "yes\n" "" ""
  52testing "-m missing/dir" "readlink -m sub/two/three" "$APWD/sub/two/three\n" "" ""
  53testing "-m missing/../elsewhere" "readlink -m sub/two/../../three" "$APWD/three\n" "" ""
  54testing "-m file/dir" "readlink -m sub/bang/two 2>/dev/null || echo err" "err\n" "" ""
  55rm link
  56ln -sf / link || exit 1
  57testing "-f link->/" "readlink -e link/dev" "/dev\n" "" ""
  58testing "-f /dev/null/.." \
  59  "readlink -f link/null/.. 2>/dev/null || echo yes" "yes\n" "" ""
  60rm -f link && ln -sf link link || exit 1
  61testing "recurse" "readlink link" "link\n" "" ""
  62
  63rm file link sub/bang dir here
  64rmdir sub
  65
  66# Make sure circular links don't run away.
  67
  68ln -s link1 link2
  69ln -s link2 link1
  70testing "follow recursive2" "readlink -f link1 || echo yes" \
  71        "yes\n" "" ""
  72rm link1 link2
  73