#!/bin/bash

# Copyright 2013 Robin Mittal <robinmittal.it@gmail.com>
# Copyright 2013 Divya Kothari <divya.s.kothari@gmail.com>

[ -f testing.sh ] && . testing.sh

#testing "name" "command" "result" "infile" "stdin"
#set -x

# Creating test-file/dir for testing ls
mkdir -p lstest/dir1 lstest/dir2 || exit 1
echo "test file1" > lstest/file1.txt
echo "test file2" > lstest/file2.txt
echo "hidden file1" > lstest/.hfile1

IN="cd lstest"
OUT="cd .. "

testing "no argument" "$IN && ls; $OUT" "dir1\ndir2\nfile1.txt\nfile2.txt\n" "" ""
testing "with -C: test column spacing equals 2" "$IN && ls -C; $OUT" "dir1  dir2  file1.txt  file2.txt\n" "" ""
testing "with -x: test column spacing equals 2" "$IN && ls -x; $OUT" "dir1  dir2  file1.txt  file2.txt\n" "" ""
testing "with wild char" "$IN && ls file*; $OUT" "file1.txt\nfile2.txt\n" "" ""
testing "with wild char - long listing" "$IN && ls -1 file*; $OUT" "file1.txt\nfile2.txt\n" "" ""
testing "with -p" "$IN && ls -p; $OUT" "dir1/\ndir2/\nfile1.txt\nfile2.txt\n" "" ""
testing "with -a" "$IN && ls -a; $OUT" \
        ".\n..\n.hfile1\ndir1\ndir2\nfile1.txt\nfile2.txt\n" "" ""
testing "with -A" "$IN && ls -A; $OUT" \
        ".hfile1\ndir1\ndir2\nfile1.txt\nfile2.txt\n" "" ""
testing "with -d" "$IN && ls -d; $OUT" ".\n" "" ""
testing "with wild char and -d *" "$IN && ls -d *; $OUT" "dir1\ndir2\nfile1.txt\nfile2.txt\n" "" ""
testing "with -k" "$IN && ls -k; $OUT" "dir1\ndir2\nfile1.txt\nfile2.txt\n" "" ""
testing "with -m" "$IN && ls -m; $OUT" "dir1, dir2, file1.txt, file2.txt\n" "" ""
testing "with -F" "$IN && ls -F; $OUT" "dir1/\ndir2/\nfile1.txt\nfile2.txt\n" "" ""
testing "with -dk *" "$IN && ls -dk *; $OUT" "dir1\ndir2\nfile1.txt\nfile2.txt\n" "" ""
testing "with -Z" "$IN && ls -Z file1.txt | egrep -q '^[^ ]+ file1.txt' || echo fail; $OUT" "" "" ""
testing "with -lZ" "$IN && ls --full-time -lZ file1.txt | egrep -q '^-[rwx-]+ +[0-9]+ +[^ ]+ +[^ ]+ +[^ ]+ +[0-9]+ [0-9][0-9][0-9][0-9]-[0-9][0-9]-.* file1.txt' || echo fail; $OUT" "" "" ""

ln -s file1.txt lstest/slink
testing "-l symlink" \
    "$IN && ls -l slink | grep -q -- ' slink -> file1.txt' && echo ok ; $OUT" \
    "ok\n" "" ""
rm -f lstest/slink

ln -s /dev/null/nosuchfile lstest/nosuchfile
testing "with -d - broken softlink" "$IN && ls -d nosuchfile; $OUT" "nosuchfile\n" "" ""
rm -f lstest/nosuchfile

rm -rf lstest/* && mkdir -p lstest/dir1 && touch lstest/file1.txt
testing "nested recursively" "$IN && ls -R; $OUT" \
          ".:\ndir1\nfile1.txt\n\n./dir1:\n" "" ""

rm -rf lstest/* && touch lstest/file1.txt && INODE=`stat -c %i lstest/file1.txt`
testing "with -i" "$IN && ls -i 2>/dev/null; $OUT" "$INODE file1.txt\n" "" ""
unset INODE

testing "missing" "$IN && ls does-not-exist 2>&1 >/dev/null | grep -o does-not-exist; $OUT" "does-not-exist\n" "" ""

rm -f lstest/{file1.txt,err}
touch lstest/{one,two,three,four,five,six,seven,eight,nine,ten}
testing "-w test 1" "$IN && ls -Cw 20; $OUT" \
  "eight  one    three\nfive   seven  two\nfour   six\nnine   ten\n" "" ""
testing "-w test 2" "$IN && ls -Cw 19; $OUT" \
  "eight  seven\nfive   six\nfour   ten\nnine   three\none    two\n" "" ""

rm -rf lstest/*
touch lstest/{a,b,c,d,e,f}
testing "-w test 3" "$IN && ls -Cw 3; $OUT" "a\nb\nc\nd\ne\nf\n" "" ""
testing "-w test 4" "$IN && ls -Cw 4; $OUT" "a  d\nb  e\nc  f\n" "" ""

rm -rf lstest/*
touch lstest/'hello world'
testing "default escaping" "$IN && ls; $OUT" "hello world\n" "" ""
testing "-b" "$IN && ls -b; $OUT" 'hello\\ \\rworld\n' "" ""
testing "-q" "$IN && ls -q; $OUT" 'hello ?world\n' "" ""
testing "-N" "$IN && ls -q; $OUT" 'hello ?world\n' "" ""

# Removing test dir for cleanup purpose
rm -rf lstest