test hw3 part 2

test.bats

#!/usr/bin/env bats

if [ -z $TRASH ]; then
  echo '$TRASH must be defined'
  exit 1
fi
trashdir=$TRASH

function finish {
    trash > /dev/null
    rm -rf testdir* testfile*
}
trap finish EXIT

create_trash () {
    echo "creating 1000 files in $1"
    for i in `seq 1 1000`
    do
      dd if=/dev/zero of="$1"/testfile_"$i"_byte.trash  bs=1  count=1 > /dev/null 2>&1
    done
}

@test "srm shuffled files and directories mixed" {
    rm -rf $trashdir/*
    for i in `seq 1 1000`
    do
        mkdir testdir"$i"
    done
    create_trash .
    trash=(testdir* testfile*)
    echo "srm `shuf -e ${trash[@]} | tr '\n' ' '`" | sh
    echo "$(ls -l $trashdir | wc -l)"
    [ $(ls -l $trashdir | wc -l) -eq 2001 ]
}

@test "lsrm shuffled files and directories mixed" {
    [ $(lsrm | wc -l) -eq 2001 ]
}

@test "durm shuffled files and directories mixed" {
    echo `durm` | grep "4156 kilobytes" | grep "4000 kilobytes"
    [ "$?" -eq 0 ]
}

@test "unrm shuffled files and directories mixed" {
    trash=($(find $trashdir/testdir* $trashdir/testfile* -printf "%f\n"))
    echo "unrm `shuf -e ${trash[@]} | tr '\n' ' '`" | sh
    [ "$?" -eq 0 ]
    [ $(lsrm | wc -l) -eq 1 ]
    echo "stat --printf='' $(echo testfile_{`seq 1 1000 | tr '\n' ', ' | sed 's/.$//'`}_byte.trash) 2>/dev/null" | sh
    [ "$?" -eq 0 ]
    echo "stat --printf='' $(echo testdir{`seq 1 1000 | tr '\n' ', ' | sed 's/.$//'`}) 2>/dev/null" | sh
    [ "$?" -eq 0 ]
}

@test "trash shuffled files and directories mixed" {
    trash=(testdir* testfile*)
    echo "srm `shuf -e ${trash[@]} | tr '\n' ' '`" | sh
    trash
    [ $(lsrm | wc -l) -eq 1 ]
}

@test "srm a single file" {
    echo "hello" > testfile
    srm testfile
    [ $(ls -l $trashdir | wc -l) -eq 2 ]
}

@test "lsrm a single file" {
    [ $(lsrm | wc -l) -eq 2 ]
}

@test "durm a single file" {
    echo `durm`
    echo `durm` | grep "0 kilobytes" | grep "156 kilobytes"
    [ "$?" -eq 0 ]
}

@test "unrm a single file" {
    unrm testfile
    [ "$?" -eq 0 ]
    [ $(lsrm | wc -l) -eq 1 ]
    [ -f testfile ]
}

@test "trash a single file" {
    srm testfile
    trash
    [ $(lsrm | wc -l) -eq 1 ]
    [ ! -f testfile ]
}

@test "srm a single directory" {
    mkdir testdir
    create_trash testdir
    srm testdir
    [ -d $trashdir/testdir ]
    [ $(ls -l $trashdir/testdir | wc -l) -eq 1001 ]
}

@test "lsrm a single directory" {
    [ $(lsrm | wc -l) -eq 2 ]
}

@test "durm a single directory" {
    echo `durm`
    echo `durm` | grep "80 kilobytes" | grep "236 kilobytes"
    [ "$?" -eq 0 ]
}

@test "unrm a single directory" {
    unrm testdir
    [ "$?" -eq 0 ]
    [ $(lsrm | wc -l) -eq 1 ]
    [ -d testdir ]
}

@test "trash a single directory" {
    srm testdir
    trash
    [ $(lsrm | wc -l) -eq 1 ]
    [ ! -d testdir ]
}

@test "srm multiple files" {
    create_trash .
    srm testfile*
    [ $(ls -l $trashdir | wc -l) -eq 1001 ]
}

@test "lsrm multiple files" {
    [ $(lsrm | wc -l) -eq 1001 ]
}

@test "durm multiple files" {
    echo `durm`
    echo `durm` | grep "0 kilobytes" | grep "156 kilobytes"
    [ "$?" -eq 0 ]
}

@test "unrm multiple files" {
    unrm testfile_{1,500,995}_byte.trash
    [ "$?" -eq 0 ]
    [ $(lsrm | wc -l) -eq 998 ]
    [ -f testfile_1_byte.trash ]
    [ -f testfile_500_byte.trash ]
    [ -f testfile_995_byte.trash ]
}

@test "trash multiple files" {
    srm testfile_{1,500,995}_byte.trash
    trash
    [ $(lsrm | wc -l) -eq 1 ]
}

@test "srm multiple directories" {
    mkdir testdir testdir2
    create_trash testdir
    create_trash testdir2
    srm testdir testdir2
    [ $(ls -l $trashdir/testdir | wc -l) -eq 1001 ]
    [ $(ls -l $trashdir/testdir | wc -l) -eq 1001 ]
}

@test "lsrm multiple directories" {
    [ $(lsrm | wc -l) -eq 3 ]
}

@test "durm multiple directories" {
    echo `durm`
    echo `durm` | grep "160 kilobytes" | grep "316 kilobytes"
    [ "$?" -eq 0 ]
}

@test "unrm multiple directories" {
    unrm testdir testdir2
    [ "$?" -eq 0 ]
    [ $(lsrm | wc -l) -eq 1 ]
    [ -d testdir ]
    [ -d testdir2 ]
}

@test "trash multiple directories" {
    srm testdir*
    trash
    [ $(lsrm | wc -l) -eq 1 ]
    [ ! -d testdir ]
    [ ! -d testdir2 ]
}