#!/bin/bash

set -pu

function call_bash_replace_or_append {
    {{{ bash_replace_or_append("$1", "$2", "$3", cce_identifiers=cce_identifiers) | indent(4) }}}
}

function call_bash_replace_or_append_w_format {
    {{{ bash_replace_or_append("$1", "$2", "$3", "$4", cce_identifiers=cce_identifiers) | indent(4) }}}
}

is_old_bats=0

setup() {
    if [[ -z "${BATS_TEST_TMPDIR:-}" ]] || [[ ! -d "${BATS_TEST_TMPDIR}" ]]; then
        BATS_TEST_TMPDIR="$(mktemp -d)"  # 1.4.0
        # shellcheck disable=SC2034
        BATS_TEARDOWN_STARTED=  # 1.3.0
        is_old_bats=1
    else
        is_old_bats=0
    fi
    pushd "${BATS_TEST_TMPDIR}" || exit 1
    tmp_file=test.sh
    touch "$tmp_file"
}

teardown() {
    if (( is_old_bats )); then
        if [[ -z "${BATS_TEST_TMPDIR:-}" ]] || [[ ! -d "${BATS_TEST_TMPDIR}" ]]; then
            >&2 echo "INTERNAL ERROR"
            exit 3
        fi
        local tmppath xpwd
        tmppath="$(readlink -f -- "${BATS_TEST_TMPDIR}")"
        if [[ ! "${tmppath}" =~ ^/tmp/ ]] || [[ ! -d "${tmppath}" ]]; then
            >&2 echo "INTERNAL ERROR"
            exit 3
        fi
        xpwd="$(readlink -f -- .)"
        if [[ "${tmppath}" != "${xpwd}" ]]; then
            >&2 echo "INTERNAL ERROR"
            exit 3
        fi
        popd || exit 1
        rm -rf -- "${tmppath}"
        BATS_TEST_TMPDIR=""
    fi
}

@test "bash_replace_or_append - Basic value remediation" {
    printf "%s\n" "kernel.randomize_va_space = 5" > "$tmp_file"
    expected_output="kernel.randomize_va_space = 2\n"

    call_bash_replace_or_append "$tmp_file" '^kernel.randomize_va_space' '2'

    run diff "$tmp_file" <(printf "$expected_output")
    [ "$status" -eq 0 ]
}

@test "bash_replace_or_append - No remediation happened" {
    printf "%s\n" "kernel.randomize_va_space = 2" > "$tmp_file"
    expected_output="kernel.randomize_va_space = 2\n"

    call_bash_replace_or_append "$tmp_file" '^kernel.randomize_va_space' '2'

    run diff "$tmp_file" <(printf "$expected_output")
    [ "$status" -eq 0 ]
}

@test "bash_replace_or_append - Append key to empty file" {
    printf "" > "$tmp_file"
    expected_output="kernel.randomize_va_space = 2\n"

    call_bash_replace_or_append "$tmp_file" '^kernel.randomize_va_space' '2'

    run diff "$tmp_file" <(printf "$expected_output")
    [ "$status" -eq 0 ]
}

@test "bash_replace_or_append - Append key to non-empty file" {
    printf "%s\n" "kernel.randomize_va_fake = 5" > "$tmp_file"
    expected_output="kernel.randomize_va_fake = 5\nkernel.randomize_va_space = 2\n"

    call_bash_replace_or_append "$tmp_file" '^kernel.randomize_va_space' '2'

    run diff "$tmp_file" <(printf "$expected_output")
    [ "$status" -eq 0 ]
}

@test "bash_replace_or_append - Remediation with format" {
    printf "%s\n" "kernel.randomize_va_space=5" > "$tmp_file"
    expected_output="kernel.randomize_va_space=2\n"

    call_bash_replace_or_append_w_format "$tmp_file" '^kernel.randomize_va_space' '2' '%s=%s'

    run diff "$tmp_file" <(printf "$expected_output")
    [ "$status" -eq 0 ]
}

@test "bash_replace_or_append - No remediation with format" {
    printf "%s\n" "kernel.randomize_va_space=2" > "$tmp_file"
    expected_output="kernel.randomize_va_space=2\n"

    call_bash_replace_or_append_w_format "$tmp_file" '^kernel.randomize_va_space' '2' '%s=%s'

    run diff "$tmp_file" <(printf "$expected_output")
    [ "$status" -eq 0 ]
}

@test "bash_replace_or_append - Append key with format to empty file" {
    printf "" > "$tmp_file"
    expected_output="kernel.randomize_va_space=2\n"

    call_bash_replace_or_append_w_format "$tmp_file" '^kernel.randomize_va_space' '2' '%s=%s'

    run diff "$tmp_file" <(printf "$expected_output")
    [ "$status" -eq 0 ]
}

@test "bash_replace_or_append - Append key with format to non-empty file" {
    printf "%s\n" "kernel.randomize_va_fake=5" > "$tmp_file"
    expected_output="kernel.randomize_va_fake=5\nkernel.randomize_va_space=2\n"

    call_bash_replace_or_append_w_format "$tmp_file" '^kernel.randomize_va_space' '2' '%s=%s'

    run diff "$tmp_file" <(printf "$expected_output")
    [ "$status" -eq 0 ]
}

@test "bash_replace_or_append - Remediate value containing forward slash" {
    printf "%s\n" "kernel.core_pattern=|/bin/true" > "$tmp_file"
    expected_output="kernel.core_pattern=|/bin/false\n"

    call_bash_replace_or_append_w_format "$tmp_file" '^kernel.core_pattern' '|/bin/false' '%s=%s'

    run diff "$tmp_file" <(printf "$expected_output")
    [ "$status" -eq 0 ]
}

@test "bash_replace_or_append - Key prefix remediation" {
    printf "kernel.randomize_va_space = 5\nakernel.randomize_va_space = 5\n" > "${tmp_file}"
    expected_output="kernel.randomize_va_space = 2\nakernel.randomize_va_space = 5\n"

    call_bash_replace_or_append "${tmp_file}" '^kernel.randomize_va_space' '2'

    run diff -u "${tmp_file}" <(printf "${expected_output}")
    [ "${status}" -eq 0 ]
}

@test "bash_replace_or_append - Key suffix remediation" {
    printf "kernel.randomize_va_space = 5\nkernel.randomize_va_space2 = 5\n" > "${tmp_file}"
    expected_output="kernel.randomize_va_space = 2\nkernel.randomize_va_space2 = 5\n"

    call_bash_replace_or_append "${tmp_file}" '^kernel.randomize_va_space' '2'

    run diff -u "${tmp_file}" <(printf "${expected_output}")
    [ "${status}" -eq 0 ]
}

@test "bash_replace_or_append - Key ending with . remediation" {
    skip "Implementation needs to have word_boundary"
    printf "kernel.randomize_va_space. = 5\n" > "${tmp_file}"
    expected_output="kernel.randomize_va_space. = 2\n"

    call_bash_replace_or_append "${tmp_file}" '^kernel.randomize_va_space.' '2'

    run diff -u "${tmp_file}" <(printf "${expected_output}")
    [ "${status}" -eq 0 ]
}

@test "bash_replace_or_append - Key contains * with remediation" {
    skip "Implementation does not quote regexps properly despite skipped_key functionality"
    printf "kernel.randomize_va_space. = 5\n" > "${tmp_file}"
    expected_output="kernel.randomize_va_space. = 5\nkernel.* = 2\n"

    call_bash_replace_or_append "${tmp_file}" '^kernel.*' '2'

    run diff -u "${tmp_file}" <(printf "${expected_output}")
    [ "${status}" -eq 0 ]
}

@test "bash_replace_or_append - Commented remediation" {
    printf "kernel.randomize_va_space = 5\n# kernel.randomize_va_space = 5\n" > "${tmp_file}"
    expected_output="kernel.randomize_va_space = 2\n# kernel.randomize_va_space = 5\n"

    call_bash_replace_or_append "${tmp_file}" '^kernel.randomize_va_space' '2'

    run diff -u "${tmp_file}" <(printf "${expected_output}")
    [ "${status}" -eq 0 ]
}

@test "bash_replace_or_append - Case insensitive key remediation" {
    printf "KERNEL.RANDOMIZE_VA_SPACE = 5\n" > "${tmp_file}"
    expected_output="kernel.randomize_va_space = 2\n"

    call_bash_replace_or_append "${tmp_file}" '^kernel.randomize_va_space' '2'

    run diff -u "${tmp_file}" <(printf "${expected_output}")
    [ "${status}" -eq 0 ]
}

@test "bash_replace_or_append - Case sensitive value remediation" {
    printf "kernel.randomize_va_space = FOO\n" > "${tmp_file}"
    expected_output="kernel.randomize_va_space = foo\n"

    call_bash_replace_or_append "${tmp_file}" '^kernel.randomize_va_space' 'foo'

    run diff -u "${tmp_file}" <(printf "${expected_output}")
    [ "${status}" -eq 0 ]
}

@test "bash_replace_or_append - Case insensitive key, remediation happened 3 times" {
    printf "kernel.randomize_va_space = foo\nKERNEL.RANDOMIZE_VA_SPACE = 2\nkernel.randomize_va_space = foo\n" > "${tmp_file}"
    expected_output="kernel.randomize_va_space = 2\nkernel.randomize_va_space = 2\nkernel.randomize_va_space = 2\n"

    call_bash_replace_or_append "${tmp_file}" '^kernel.randomize_va_space' '2'

    run diff -u "${tmp_file}" <(printf "${expected_output}")
    [ "${status}" -eq 0 ]
}

@test "bash_replace_or_append - No file before" {
    rm "${tmp_file}"
    expected_output="kernel.randomize_va_space = 2\n"

    call_bash_replace_or_append "${tmp_file}" '^kernel.randomize_va_space' '2'

    run diff -u "${tmp_file}" <(printf "${expected_output}")
    [ "${status}" -eq 0 ]
}

@test "bash_replace_or_append - Fail if not file" {
    skip "bash_replace_or_append does not handle situation where final target is not creatable/readable/writable file"
    rm "${tmp_file}"
    mkdir -p "${tmp_file}"

    call_bash_replace_or_append "${tmp_file}" '^kernel.randomize_va_space' '2'
    [ "${status}" -eq 0 ]
}

@test "bash_replace_or_append - Is symlink missing" {
    ln -s "${tmp_file}" symlink.sh
    rm "${tmp_file}"
    expected_output="kernel.randomize_va_space = 2\n"

    call_bash_replace_or_append "symlink.sh" '^kernel.randomize_va_space' '2'
    run diff -u "${tmp_file}" <(printf "${expected_output}")
    [ "${status}" -eq 0 ]
    [ -L symlink.sh ]
    [ -f "${tmp_file}" ]
}

@test "bash_replace_or_append - Is symlink empty" {
    ln -s "${tmp_file}" symlink.sh
    expected_output="kernel.randomize_va_space = 2\n"

    call_bash_replace_or_append "symlink.sh" '^kernel.randomize_va_space' '2'
    [ -L symlink.sh ]
    [ -f "${tmp_file}" ]
    run diff -u "${tmp_file}" <(printf "${expected_output}")
    [ "${status}" -eq 0 ]
}

@test "bash_replace_or_append - Is symlink remediation" {
    printf "foo\n%s\nbar\n" "kernel.randomize_va_space = 5" > "${tmp_file}"
    ln -s "${tmp_file}" symlink.sh
    expected_output="foo\nkernel.randomize_va_space = 2\nbar\n"

    call_bash_replace_or_append "symlink.sh" '^kernel.randomize_va_space' '2'
    [ -L symlink.sh ]
    [ -f "${tmp_file}" ]
    run diff -u "${tmp_file}" <(printf "${expected_output}")
    [ "${status}" -eq 0 ]
}

@test "bash_replace_or_append - Filename contains space" {
    tmp_file="${tmp_file} "
    printf "%s\n" "kernel.randomize_va_space = 5" > "${tmp_file}"
    expected_output="kernel.randomize_va_space = 2\n"

    call_bash_replace_or_append "${tmp_file}" '^kernel.randomize_va_space' '2'

    run diff -u "${tmp_file}" <(printf "${expected_output}")
    [ "${status}" -eq 0 ]
}

@test "bash_replace_or_append - Filename contains tab" {
    tmp_file="$(printf "\t%s" "${tmp_file}")"
    printf "%s\n" "kernel.randomize_va_space = 5" > "${tmp_file}"
    expected_output="kernel.randomize_va_space = 2\n"

    call_bash_replace_or_append "${tmp_file}" '^kernel.randomize_va_space' '2'

    run diff -u "${tmp_file}" <(printf "${expected_output}")
    [ "${status}" -eq 0 ]
}

@test "bash_replace_or_append - Filename contains newline" {
    tmp_file="$(printf "%s\n" "${tmp_file}")"
    printf "%s\n" "kernel.randomize_va_space = 5" > "${tmp_file}"
    expected_output="kernel.randomize_va_space = 2\n"

    call_bash_replace_or_append "${tmp_file}" '^kernel.randomize_va_space' '2'

    run diff -u "${tmp_file}" <(printf "${expected_output}")
    [ "${status}" -eq 0 ]
}

@test 'bash_replace_or_append - Filename contains \$(touch foo)' {
    tmp_file+=$'$(touch foo)'
    printf "%s\n" "kernel.randomize_va_space = 5" > "${tmp_file}"
    expected_output="kernel.randomize_va_space = 2\n"

    call_bash_replace_or_append "${tmp_file}" '^kernel.randomize_va_space' '2'

    run diff -u "${tmp_file}" <(printf "${expected_output}")
    [[ ${tmp_file} =~ foo ]]
    [ "${status}" -eq 0 ]
    [ ! -f foo ]
}

@test 'bash_replace_or_append - Filename contains \`touch foo\`' {
    tmp_file+=$'`touch foo`'
    printf "%s\n" "kernel.randomize_va_space = 5" > "${tmp_file}"
    expected_output="kernel.randomize_va_space = 2\n"

    call_bash_replace_or_append "${tmp_file}" '^kernel.randomize_va_space' '2'

    run diff -u "${tmp_file}" <(printf "${expected_output}")
    [[ ${tmp_file} =~ foo ]]
    [ "${status}" -eq 0 ]
    [ ! -f foo ]
}

@test "bash_replace_or_append - Remediate value emtpy" {
    printf "%s\n" "kernel.core_pattern=|/bin/true" > "${tmp_file}"
    expected_output="kernel.core_pattern=\n"

    call_bash_replace_or_append_w_format "${tmp_file}" '^kernel.core_pattern' '' '%s=%s'

    run diff -u "${tmp_file}" <(printf "${expected_output}")
    [ "${status}" -eq 0 ]
}

@test "bash_replace_or_append - Remediation with format space" {
    printf "%s\n" "kernel.randomize_va_space 5" > "${tmp_file}"
    expected_output="kernel.randomize_va_space 2\n"

    call_bash_replace_or_append_w_format "${tmp_file}" '^kernel.randomize_va_space' '2' '%s %s'

    run diff -u "${tmp_file}" <(printf "${expected_output}")
    [ "${status}" -eq 0 ]
}

@test "bash_replace_or_append - No remediation with format space" {
    printf "%s\n" "kernel.randomize_va_space 2" > "${tmp_file}"
    expected_output="kernel.randomize_va_space 2\n"

    call_bash_replace_or_append_w_format "${tmp_file}" '^kernel.randomize_va_space' '2' '%s %s'

    run diff -u "${tmp_file}" <(printf "${expected_output}")
    [ "${status}" -eq 0 ]
}

@test "bash_replace_or_append - Append key with format to empty file format space" {
    printf "" > "${tmp_file}"
    expected_output="kernel.randomize_va_space 2\n"

    call_bash_replace_or_append_w_format "${tmp_file}" '^kernel.randomize_va_space' '2' '%s %s'

    run diff -u "${tmp_file}" <(printf "${expected_output}")
    [ "${status}" -eq 0 ]
}

@test "bash_replace_or_append - Append key with format to non-empty file format space" {
    printf "%s\n" "kernel.randomize_va_fake 5" > "${tmp_file}"
    expected_output="kernel.randomize_va_fake 5\nkernel.randomize_va_space 2\n"

    call_bash_replace_or_append_w_format "${tmp_file}" '^kernel.randomize_va_space' '2' '%s %s'

    run diff -u "${tmp_file}" <(printf "${expected_output}")
    [ "${status}" -eq 0 ]
}

@test "bash_replace_or_append - Remediate value containing forward slash format space" {
    printf "%s\n" "kernel.core_pattern |/bin/true" > "${tmp_file}"
    expected_output="kernel.core_pattern |/bin/false\n"

    call_bash_replace_or_append_w_format "${tmp_file}" '^kernel.core_pattern' '|/bin/false' '%s %s'

    run diff -u "${tmp_file}" <(printf "${expected_output}")
    [ "${status}" -eq 0 ]
}

@test "bash_replace_or_append - Remediate value emtpy format space" {
    printf "%s\n" "kernel.core_pattern |/bin/true" > "${tmp_file}"
    expected_output="kernel.core_pattern \n"

    call_bash_replace_or_append_w_format "${tmp_file}" '^kernel.core_pattern' '' '%s %s'

    run diff -u "${tmp_file}" <(printf "${expected_output}")
    [ "${status}" -eq 0 ]
}

@test "bash_replace_or_append - Remediate value emtpy format tab" {
    printf "kernel.core_pattern\t|/bin/true\n" > "${tmp_file}"
    expected_output="kernel.core_pattern\t\n"

    call_bash_replace_or_append_w_format "${tmp_file}" '^kernel.core_pattern' '' '%s\t%s'

    run diff -u "${tmp_file}" <(printf "${expected_output}")
    [ "${status}" -eq 0 ]
}

@test "bash_replace_or_append - Remediate file previously not ending with newline" {
    before="foo"
    key="kernel.randomize_va_fake"
    value="6"

    format='%s=%s'
    before_fmt="%s"
    key_fmt="^%s"
    value_fmt="%s"
    expected_output="${before}\n${key}=${value}\n"

    # This way variable value is not trimmed at end and we can test \n etc
    IFS='' read -d '' -r key_param < <(printf "${key_fmt}" "${key}") || :
    IFS='' read -d '' -r value_param < <(printf "${value_fmt}" "${value}") || :
    printf "${before_fmt}" "${before}" > "${tmp_file}"

    call_bash_replace_or_append_w_format "${tmp_file}" "${key_param}" "${value_param}" "${format}"

    run diff -u "${tmp_file}" <(printf "${expected_output}")
    [ "${status}" -eq 0 ]
}

@test "bash_replace_or_append - Remediate file previously ending with space" {
    before="foo"
    key="kernel.randomize_va_fake"
    value="6"

    format='%s=%s'
    before_fmt="%s "
    key_fmt="^%s"
    value_fmt="%s"
    expected_output="${before} \n${key}=${value}\n"

    # This way variable value is not trimmed at end and we can test \n etc
    IFS='' read -d '' -r key_param < <(printf "${key_fmt}" "${key}") || :
    IFS='' read -d '' -r value_param < <(printf "${value_fmt}" "${value}") || :
    printf "${before_fmt}" "${before}" > "${tmp_file}"

    call_bash_replace_or_append_w_format "${tmp_file}" "${key_param}" "${value_param}" "${format}"

    run diff -u "${tmp_file}" <(printf "${expected_output}")
    [ "${status}" -eq 0 ]
}

@test "bash_replace_or_append - Remediate file previously ending with tab" {
    before="foo"
    key="kernel.randomize_va_fake"
    value="6"

    format='%s=%s'
    before_fmt="%s\t"
    key_fmt="^%s"
    value_fmt="%s"
    expected_output="${before}\t\n${key}=${value}\n"

    # This way variable value is not trimmed at end and we can test \n etc
    IFS='' read -d '' -r key_param < <(printf "${key_fmt}" "${key}") || :
    IFS='' read -d '' -r value_param < <(printf "${value_fmt}" "${value}") || :
    printf "${before_fmt}" "${before}" > "${tmp_file}"

    call_bash_replace_or_append_w_format "${tmp_file}" "${key_param}" "${value_param}" "${format}"

    run diff -u "${tmp_file}" <(printf "${expected_output}")
    [ "${status}" -eq 0 ]
}

@test "bash_replace_or_append - Remediate value containing newline prefix" {
    skip "Value newline trim not implemented."
    before="foo"
    key="kernel.randomize_va_fake"
    value="6"

    format='%s=%s'
    before_fmt="%s\n"
    key_fmt="^%s"
    value_fmt="\n%s"
    expected_output="${before}\n${key}=${value}\n"

    IFS='' read -d '' -r key_param < <(printf "${key_fmt}" "${key}") || :
    IFS='' read -d '' -r value_param < <(printf "${value_fmt}" "${value}") || :
    printf "${before_fmt}" "${before}" > "${tmp_file}"

    call_bash_replace_or_append_w_format "${tmp_file}" "${key_param}" "${value_param}" "${format}"

    run diff -u "${tmp_file}" <(printf "${expected_output}")
    [ "${status}" -eq 0 ]
}

@test "bash_replace_or_append - Remediate value containing newline suffix" {
    skip "Value newline trim not implemented."
    before="foo"
    key="kernel.randomize_va_fake"
    value="6"

    format='%s=%s'
    before_fmt="%s\n"
    key_fmt="^%s"
    value_fmt="%s\n"
    expected_output="${before}\n${key}=${value}\n"

    IFS='' read -d '' -r key_param < <(printf "${key_fmt}" "${key}") || :
    IFS='' read -d '' -r value_param < <(printf "${value_fmt}" "${value}") || :
    printf "${before_fmt}" "${before}" > "${tmp_file}"

    call_bash_replace_or_append_w_format "${tmp_file}" "${key_param}" "${value_param}" "${format}"

    run diff -u "${tmp_file}" <(printf "${expected_output}")
    [ "${status}" -eq 0 ]
}

@test "bash_replace_or_append - Remediate value containing multiple newlines prefix and suffix" {
    skip "Value newline trim not implemented."
    before="foo"
    key="kernel.randomize_va_fake"
    value="6"

    format='%s=%s'
    before_fmt="%s\n"
    key_fmt="^%s"
    value_fmt="\n\n%s\n\n"
    expected_output="${before}\n${key}=${value}\n"

    IFS='' read -d '' -r key_param < <(printf "${key_fmt}" "${key}") || :
    IFS='' read -d '' -r value_param < <(printf "${value_fmt}" "${value}") || :
    printf "${before_fmt}" "${before}" > "${tmp_file}"

    call_bash_replace_or_append_w_format "${tmp_file}" "${key_param}" "${value_param}" "${format}"

    run diff -u "${tmp_file}" <(printf "${expected_output}")
    [ "${status}" -eq 0 ]
}

@test "bash_replace_or_append - Remediate value containing space prefix" {
    before="foo"
    key="kernel.randomize_va_fake"
    value="6"

    format='%s=%s'
    before_fmt="%s\n"
    key_fmt="^%s"
    value_fmt=" %s"
    expected_output="${before}\n${key}= ${value}\n"

    IFS='' read -d '' -r key_param < <(printf "${key_fmt}" "${key}") || :
    IFS='' read -d '' -r value_param < <(printf "${value_fmt}" "${value}") || :
    printf "${before_fmt}" "${before}" > "${tmp_file}"

    call_bash_replace_or_append_w_format "${tmp_file}" "${key_param}" "${value_param}" "${format}"

    run diff -u "${tmp_file}" <(printf "${expected_output}")
    [ "${status}" -eq 0 ]
}

@test "bash_replace_or_append - Remediate value containing space suffix" {
    before="foo"
    key="kernel.randomize_va_fake"
    value="6"

    format='%s=%s'
    before_fmt="%s\n"
    key_fmt="^%s"
    value_fmt="%s "
    expected_output="${before}\n${key}=${value} \n"

    IFS='' read -d '' -r key_param < <(printf "${key_fmt}" "${key}") || :
    IFS='' read -d '' -r value_param < <(printf "${value_fmt}" "${value}") || :
    printf "${before_fmt}" "${before}" > "${tmp_file}"

    call_bash_replace_or_append_w_format "${tmp_file}" "${key_param}" "${value_param}" "${format}"

    run diff -u "${tmp_file}" <(printf "${expected_output}")
    [ "${status}" -eq 0 ]
}

@test "bash_replace_or_append - Remediate value containing multiple spaces prefix and suffix" {
    before="foo"
    key="kernel.randomize_va_fake"
    value="6"

    format='%s=%s'
    before_fmt="%s\n"
    key_fmt="^%s"
    value_fmt="  %s  "
    expected_output="${before}\n${key}=  ${value}  \n"

    IFS='' read -d '' -r key_param < <(printf "${key_fmt}" "${key}") || :
    IFS='' read -d '' -r value_param < <(printf "${value_fmt}" "${value}") || :
    printf "${before_fmt}" "${before}" > "${tmp_file}"

    call_bash_replace_or_append_w_format "${tmp_file}" "${key_param}" "${value_param}" "${format}"

    run diff -u "${tmp_file}" <(printf "${expected_output}")
    [ "${status}" -eq 0 ]
}

@test "bash_replace_or_append - Remediate value containing tab prefix" {
    before="foo"
    key="kernel.randomize_va_fake"
    value="6"

    format='%s=%s'
    before_fmt="%s\n"
    key_fmt="^%s"
    value_fmt="\t%s"
    expected_output="${before}\n${key}=\t${value}\n"

    IFS='' read -d '' -r key_param < <(printf "${key_fmt}" "${key}") || :
    IFS='' read -d '' -r value_param < <(printf "${value_fmt}" "${value}") || :
    printf "${before_fmt}" "${before}" > "${tmp_file}"

    call_bash_replace_or_append_w_format "${tmp_file}" "${key_param}" "${value_param}" "${format}"

    run diff -u "${tmp_file}" <(printf "${expected_output}")
    [ "${status}" -eq 0 ]
}

@test "bash_replace_or_append - Remediate value containing tab suffix" {
    before="foo"
    key="kernel.randomize_va_fake"
    value="6"

    format='%s=%s'
    before_fmt="%s\n"
    key_fmt="^%s"
    value_fmt="%s\t"
    expected_output="${before}\n${key}=${value}\t\n"

    IFS='' read -d '' -r key_param < <(printf "${key_fmt}" "${key}") || :
    IFS='' read -d '' -r value_param < <(printf "${value_fmt}" "${value}") || :
    printf "${before_fmt}" "${before}" > "${tmp_file}"

    call_bash_replace_or_append_w_format "${tmp_file}" "${key_param}" "${value_param}" "${format}"

    run diff -u "${tmp_file}" <(printf "${expected_output}")
    [ "${status}" -eq 0 ]
}

@test "bash_replace_or_append - Remediate value containing multiple tab prefix and suffix" {
    before="foo"
    key="kernel.randomize_va_fake"
    value="6"

    format='%s=%s'
    before_fmt="%s\n"
    key_fmt="^%s"
    value_fmt="\t\t%s\t\t"
    expected_output="${before}\n${key}=\t\t${value}\t\t\n"

    IFS='' read -d '' -r key_param < <(printf "${key_fmt}" "${key}") || :
    IFS='' read -d '' -r value_param < <(printf "${value_fmt}" "${value}") || :
    printf "${before_fmt}" "${before}" > "${tmp_file}"

    call_bash_replace_or_append_w_format "${tmp_file}" "${key_param}" "${value_param}" "${format}"

    run diff -u "${tmp_file}" <(printf "${expected_output}")
    [ "${status}" -eq 0 ]
}

@test "bash_replace_or_append - Remediate key containing space prefix" {
    before="foo"
    key="kernel.randomize_va_fake"
    value="6"

    format='%s=%s'
    before_fmt="%s\n"
    key_fmt="^ %s"
    value_fmt="%s"
    expected_output="${before}\n ${key}=${value}\n"

    IFS='' read -d '' -r key_param < <(printf "${key_fmt}" "${key}") || :
    IFS='' read -d '' -r value_param < <(printf "${value_fmt}" "${value}") || :
    printf "${before_fmt}" "${before}" > "${tmp_file}"

    call_bash_replace_or_append_w_format "${tmp_file}" "${key_param}" "${value_param}" "${format}"

    run diff -u "${tmp_file}" <(printf "${expected_output}")
    [ "${status}" -eq 0 ]
}

@test "bash_replace_or_append - Remediate key containing space suffix" {
    before="foo"
    key="kernel.randomize_va_fake"
    value="6"

    format='%s=%s'
    before_fmt="%s\n"
    key_fmt="^%s "
    value_fmt="%s"
    expected_output="${before}\n${key} =${value}\n"

    IFS='' read -d '' -r key_param < <(printf "${key_fmt}" "${key}") || :
    IFS='' read -d '' -r value_param < <(printf "${value_fmt}" "${value}") || :
    printf "${before_fmt}" "${before}" > "${tmp_file}"

    call_bash_replace_or_append_w_format "${tmp_file}" "${key_param}" "${value_param}" "${format}"

    run diff -u "${tmp_file}" <(printf "${expected_output}")
    [ "${status}" -eq 0 ]
}

@test "bash_replace_or_append - Remediate key containing multiple spaces prefix and suffix" {
    before="foo"
    key="kernel.randomize_va_fake"
    value="6"

    format='%s=%s'
    before_fmt="%s\n"
    key_fmt="^  %s  "
    value_fmt="%s"
    expected_output="${before}\n  ${key}  =${value}\n"

    IFS='' read -d '' -r key_param < <(printf "${key_fmt}" "${key}") || :
    IFS='' read -d '' -r value_param < <(printf "${value_fmt}" "${value}") || :
    printf "${before_fmt}" "${before}" > "${tmp_file}"

    call_bash_replace_or_append_w_format "${tmp_file}" "${key_param}" "${value_param}" "${format}"

    run diff -u "${tmp_file}" <(printf "${expected_output}")
    [ "${status}" -eq 0 ]
}

@test "bash_replace_or_append - Remediate key containing tab prefix" {
    before="foo"
    key="kernel.randomize_va_fake"
    value="6"

    format='%s=%s'
    before_fmt="%s\n"
    key_fmt="^\t%s"
    value_fmt="%s"
    expected_output="${before}\n\t${key}=${value}\n"

    IFS='' read -d '' -r key_param < <(printf "${key_fmt}" "${key}") || :
    IFS='' read -d '' -r value_param < <(printf "${value_fmt}" "${value}") || :
    printf "${before_fmt}" "${before}" > "${tmp_file}"

    call_bash_replace_or_append_w_format "${tmp_file}" "${key_param}" "${value_param}" "${format}"

    run diff -u "${tmp_file}" <(printf "${expected_output}")
    [ "${status}" -eq 0 ]
}

@test "bash_replace_or_append - Remediate key containing tab suffix" {
    before="foo"
    key="kernel.randomize_va_fake"
    value="6"

    format='%s=%s'
    before_fmt="%s\n"
    key_fmt="^%s\t"
    value_fmt="%s"
    expected_output="${before}\n${key}\t=${value}\n"

    IFS='' read -d '' -r key_param < <(printf "${key_fmt}" "${key}") || :
    IFS='' read -d '' -r value_param < <(printf "${value_fmt}" "${value}") || :
    printf "${before_fmt}" "${before}" > "${tmp_file}"

    call_bash_replace_or_append_w_format "${tmp_file}" "${key_param}" "${value_param}" "${format}"

    run diff -u "${tmp_file}" <(printf "${expected_output}")
    [ "${status}" -eq 0 ]
}

@test "bash_replace_or_append - Remediate key containing multiple tab prefix and suffix" {
    before="foo"
    key="kernel.randomize_va_fake"
    value="6"

    format='%s=%s'
    before_fmt="%s\n"
    key_fmt="^\t\t%s\t\t"
    value_fmt="%s"
    expected_output="${before}\n\t\t${key}\t\t=${value}\n"

    IFS='' read -d '' -r key_param < <(printf "${key_fmt}" "${key}") || :
    IFS='' read -d '' -r value_param < <(printf "${value_fmt}" "${value}") || :
    printf "${before_fmt}" "${before}" > "${tmp_file}"

    call_bash_replace_or_append_w_format "${tmp_file}" "${key_param}" "${value_param}" "${format}"

    run diff -u "${tmp_file}" <(printf "${expected_output}")
    [ "${status}" -eq 0 ]
}

@test "bash_replace_or_append - Remediate format key containing space prefix" {
    before="foo"
    key="kernel.randomize_va_fake"
    value="6"

    format=' %s=%s'
    before_fmt="%s\n"
    key_fmt="^%s"
    value_fmt="%s"
    expected_output="${before}\n ${key}=${value}\n"

    IFS='' read -d '' -r key_param < <(printf "${key_fmt}" "${key}") || :
    IFS='' read -d '' -r value_param < <(printf "${value_fmt}" "${value}") || :
    printf "${before_fmt}" "${before}" > "${tmp_file}"

    call_bash_replace_or_append_w_format "${tmp_file}" "${key_param}" "${value_param}" "${format}"

    run diff -u "${tmp_file}" <(printf "${expected_output}")
    [ "${status}" -eq 0 ]
}

@test "bash_replace_or_append - Remediate format key containing space suffix" {
    before="foo"
    key="kernel.randomize_va_fake"
    value="6"

    format='%s =%s'
    before_fmt="%s\n"
    key_fmt="^%s"
    value_fmt="%s"
    expected_output="${before}\n${key} =${value}\n"

    IFS='' read -d '' -r key_param < <(printf "${key_fmt}" "${key}") || :
    IFS='' read -d '' -r value_param < <(printf "${value_fmt}" "${value}") || :
    printf "${before_fmt}" "${before}" > "${tmp_file}"

    call_bash_replace_or_append_w_format "${tmp_file}" "${key_param}" "${value_param}" "${format}"

    run diff -u "${tmp_file}" <(printf "${expected_output}")
    [ "${status}" -eq 0 ]
}

@test "bash_replace_or_append - Remediate format value containing space prefix" {
    before="foo"
    key="kernel.randomize_va_fake"
    value="6"

    format='%s= %s'
    before_fmt="%s\n"
    key_fmt="^%s"
    value_fmt="%s"
    expected_output="${before}\n${key}= ${value}\n"

    IFS='' read -d '' -r key_param < <(printf "${key_fmt}" "${key}") || :
    IFS='' read -d '' -r value_param < <(printf "${value_fmt}" "${value}") || :
    printf "${before_fmt}" "${before}" > "${tmp_file}"

    call_bash_replace_or_append_w_format "${tmp_file}" "${key_param}" "${value_param}" "${format}"

    run diff -u "${tmp_file}" <(printf "${expected_output}")
    [ "${status}" -eq 0 ]
}

@test "bash_replace_or_append - Remediate format value containing space suffix" {
    before="foo"
    key="kernel.randomize_va_fake"
    value="6"

    format='%s=%s '
    before_fmt="%s\n"
    key_fmt="^%s"
    value_fmt="%s"
    expected_output="${before}\n${key}=${value} \n"

    IFS='' read -d '' -r key_param < <(printf "${key_fmt}" "${key}") || :
    IFS='' read -d '' -r value_param < <(printf "${value_fmt}" "${value}") || :
    printf "${before_fmt}" "${before}" > "${tmp_file}"

    call_bash_replace_or_append_w_format "${tmp_file}" "${key_param}" "${value_param}" "${format}"

    run diff -u "${tmp_file}" <(printf "${expected_output}")
    [ "${status}" -eq 0 ]
}

@test "bash_replace_or_append - Remediate format containing multiple spaces prefix and suffix" {
    before="foo"
    key="kernel.randomize_va_fake"
    value="6"

    format='  %s  =  %s  '
    before_fmt="%s\n"
    key_fmt="^%s"
    value_fmt="%s"
    expected_output="${before}\n  ${key}  =  ${value}  \n"

    IFS='' read -d '' -r key_param < <(printf "${key_fmt}" "${key}") || :
    IFS='' read -d '' -r value_param < <(printf "${value_fmt}" "${value}") || :
    printf "${before_fmt}" "${before}" > "${tmp_file}"

    call_bash_replace_or_append_w_format "${tmp_file}" "${key_param}" "${value_param}" '  %s  =  %s  '

    run diff -u "${tmp_file}" <(printf "${expected_output}")
    [ "${status}" -eq 0 ]
}

@test "bash_replace_or_append - Remediate format key containing tab prefix" {
    before="foo"
    key="kernel.randomize_va_fake"
    value="6"

    format='\t%s=%s'
    before_fmt="%s\n"
    key_fmt="^%s"
    value_fmt="%s"
    expected_output="${before}\n\t${key}=${value}\n"

    IFS='' read -d '' -r key_param < <(printf "${key_fmt}" "${key}") || :
    IFS='' read -d '' -r value_param < <(printf "${value_fmt}" "${value}") || :
    printf "${before_fmt}" "${before}" > "${tmp_file}"

    call_bash_replace_or_append_w_format "${tmp_file}" "${key_param}" "${value_param}" "${format}"

    run diff -u "${tmp_file}" <(printf "${expected_output}")
    [ "${status}" -eq 0 ]
}

@test "bash_replace_or_append - Remediate format key containing tab suffix" {
    before="foo"
    key="kernel.randomize_va_fake"
    value="6"

    format='%s\t=%s'
    before_fmt="%s\n"
    key_fmt="^%s"
    value_fmt="%s"
    expected_output="${before}\n${key}\t=${value}\n"

    IFS='' read -d '' -r key_param < <(printf "${key_fmt}" "${key}") || :
    IFS='' read -d '' -r value_param < <(printf "${value_fmt}" "${value}") || :
    printf "${before_fmt}" "${before}" > "${tmp_file}"

    call_bash_replace_or_append_w_format "${tmp_file}" "${key_param}" "${value_param}" "${format}"

    run diff -u "${tmp_file}" <(printf "${expected_output}")
    [ "${status}" -eq 0 ]
}

@test "bash_replace_or_append - Remediate format value containing tab prefix" {
    before="foo"
    key="kernel.randomize_va_fake"
    value="6"

    format='%s=\t%s'
    before_fmt="%s\n"
    key_fmt="^%s"
    value_fmt="%s"
    expected_output="${before}\n${key}=\t${value}\n"

    IFS='' read -d '' -r key_param < <(printf "${key_fmt}" "${key}") || :
    IFS='' read -d '' -r value_param < <(printf "${value_fmt}" "${value}") || :
    printf "${before_fmt}" "${before}" > "${tmp_file}"

    call_bash_replace_or_append_w_format "${tmp_file}" "${key_param}" "${value_param}" "${format}"

    run diff -u "${tmp_file}" <(printf "${expected_output}")
    [ "${status}" -eq 0 ]
}

@test "bash_replace_or_append - Remediate format value containing tab suffix" {
    before="foo"
    key="kernel.randomize_va_fake"
    value="6"

    format='%s=%s\t'
    before_fmt="%s\n"
    key_fmt="^%s"
    value_fmt="%s"
    expected_output="${before}\n${key}=${value}\t\n"

    IFS='' read -d '' -r key_param < <(printf "${key_fmt}" "${key}") || :
    IFS='' read -d '' -r value_param < <(printf "${value_fmt}" "${value}") || :
    printf "${before_fmt}" "${before}" > "${tmp_file}"

    call_bash_replace_or_append_w_format "${tmp_file}" "${key_param}" "${value_param}" "${format}"

    run diff -u "${tmp_file}" <(printf "${expected_output}")
    [ "${status}" -eq 0 ]
}

@test "bash_replace_or_append - Remediate format containing multiple tab prefix and suffix" {
    before="foo"
    key="kernel.randomize_va_fake"
    value="6"

    format='\t\t%s\t\t=\t\t%s\t\t'
    before_fmt="%s\n"
    key_fmt="^%s"
    value_fmt="%s"
    expected_output="${before}\n\t\t${key}\t\t=\t\t${value}\t\t\n"

    IFS='' read -d '' -r key_param < <(printf "${key_fmt}" "${key}") || :
    IFS='' read -d '' -r value_param < <(printf "${value_fmt}" "${value}") || :
    printf "${before_fmt}" "${before}" > "${tmp_file}"

    call_bash_replace_or_append_w_format "${tmp_file}" "${key_param}" "${value_param}" "${format}"

    run diff -u "${tmp_file}" <(printf "${expected_output}")
    [ "${status}" -eq 0 ]
}