clean-up.test.sh

#!/bin/bash
# test script for clean-up.sh script

# font attributes
NORMAL="\e[0m"
BOLD="\e[1m"

# colors
DEFAULT="\e[39m"
GREEN="\e[32m"
RED="\e[31m"

# get dir of script and change into
function changeIntoCurrentDir() {
    DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
    cd "$DIR"
}

function setColorSuccessful() {
    echo -e -n "$BOLD$GREEN"
}

function setColorFailed() {
    echo -e -n "$BOLD$RED"
}

function resetColorAndFontFormat() {
    echo -e -n "$NORMAL$DEFAULT"
}

function test_scriptShouldRemoveAllArchivesExceptConfiguredAmount() {
    # before: create folders to test script
    ./test-prep.sh
    INITIAL_STATE=($(ls *.zip -1 --sort=time))

    # testrun: execute script
    ./clean-up.sh --number-of-elements 3 --path .

    # assert: only the newest 3 acrhives should remain
    REMAINING_ARCHIVES=($(ls *.zip -1 --sort=time))
    DIFF_EXIT_CODE=$(diff <(printf "${INITIAL_STATE[@]}") <(printf "${REMAINING_ARCHIVES[@]}"); echo $?)
    if [[ ${DIFF_EXIT_CODE} -eq 0 ]]; then
        setColorSuccessful
        echo -e -n "Test succesfully run"
        resetColorAndFontFormat
    else 
        setColorFailed
        echo -e -n "Test failed"
        resetColorAndFontFormat
    fi

    # clean up after run
    for archive in ${REMAINING_ARCHIVES[@]}; do
        rm $archive
    done

    echo -e "$NORMAL $DEFAULT"
}

function runTests() {
    changeIntoCurrentDir
    test_scriptShouldRemoveAllArchivesExceptConfiguredAmount
}

runTests