#!/usr/bin/env bash

# create a function to be called everytime the process exit
abort () {
    rm exp.log job.log job.sh submitted expected
}

trap 'abort' EXIT


set -euo pipefail
IFS='
'
script_dirS=$(cd -P "$(dirname "$BASH_SOURCE")" &>/dev/null && pwd)

SUBMITTED='student/job-regist.sh'
EXPECTED='solutions/job-regist.sh'

create_random_job () {
    echo "sleep $((1 + $RANDOM % 10))" > job.sh
}

wait_test_case () {
    while [ -n "$(jobs | grep -i running)" ]; do
        echo -n "."
        sleep 1
    done
    echo
}

# test cases
one_process () {
    create_random_job
    bash $script_dirS/$1 job.sh 
}

wrong_numb_arguments () {
    bash $script_dirS/$1
}

# end of test cases

challenge () {
    echo "testing $1 case"
    $1 $SUBMITTED > submitted &
    $1 $EXPECTED > expected &
    
    wait_test_case

    diff <(cat exp.log) <(cat job.log)
    diff <(cat submitted) <(cat expected)
}

challenge one_process
challenge wrong_numb_arguments