#!/bin/sh

# Copyright (C) 2012-2014, Benjamin Drung <bdrung@debian.org>
#
# Permission to use, copy, modify, and/or distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

COMMAND="${COMMAND:-${0%/*}/debian-distro-info}"

. "${0%/*}/shunit2-helper-functions.sh"

testAlias() {
    success "--alias sid" "unstable"
    success "--date 2010-10-20 --alias squeeze" "testing"
    success "--date 2011-11-20 --alias squeeze" "stable"
    success "--alias whatever" "whatever"
}

testAll() {
    local result="buzz
rex
bo
hamm
slink
potato
woody
sarge
etch
lenny
squeeze
sid
experimental"
    local pattern=$(echo $result | sed "s/ /\\\\|/g")
    success "--date 2007-07-07 --all | grep -w \"$pattern\"" "$result"
    success "-a | grep -w \"$pattern\"" "$result"
}

testDevel() {
    success "--date 2011-01-10 --devel" "sid"
    success "-d --date=2002-01-10 --codename" "sid"
}

testOldstable() {
    success "--oldstable --date=2011-01-10" "etch"
    success "-c --date=2008-07-06 -o" "sarge"
    # Compatibility with 0.2.2
    success "--old --date=2011-01-10" "etch"
}

testStable() {
    success "--date=2011-01-10 --stable" "lenny"
    success "--date=2001-02-10 -s" "potato"
}

testSupported() {
    local result="lenny
squeeze
sid
experimental"
    success "--date=2011-01-10 --supported" "$result"
}

testLTS() {
    success "--date=2016-02-28 --lts" "squeeze"
}

testELTS() {
    success "--date=2018-09-01 --elts" "wheezy"
}

testUnsupported() {
    local result="buzz
rex
bo
hamm
slink
potato
woody
sarge
etch"
    success "--date=2011-01-10 --unsupported" "$result"
}

testTesting() {
    success "--date=2011-01-10 --testing" "squeeze"
    success "-t --date=2010-01-10" "squeeze"
}

testFullname() {
    success "--date=2011-01-10 --stable --fullname" 'Debian 5.0 "Lenny"'
    success "--date=2011-01-10 --stable --fullname -ycreated" \
        'Debian 5.0 "Lenny" -1373'
    success "--date=2011-01-10 --stable --fullname --days=created" \
        'Debian 5.0 "Lenny" -1373'
    success "--date=2011-01-10 --stable --fullname -y" \
        'Debian 5.0 "Lenny" -695'
    success "--date=2011-01-10 --stable --fullname --days" \
        'Debian 5.0 "Lenny" -695'
    success "--date=2011-01-10 --stable --fullname -yrelease" \
        'Debian 5.0 "Lenny" -695'
    success "--date=2011-01-10 --stable --fullname --days=release" \
        'Debian 5.0 "Lenny" -695'
    success "--date=2011-01-10 --stable --fullname -yeol" \
        'Debian 5.0 "Lenny" 392'
    success "--date=2011-01-10 --stable --fullname --days=eol" \
        'Debian 5.0 "Lenny" 392'

    success "--date=2011-01-10 -f --testing" 'Debian 6.0 "Squeeze"'
    success "--date=2011-01-10 -f --testing -ycreated" \
        'Debian 6.0 "Squeeze" -695'
    success "--date=2011-01-10 -f --testing --days=created" \
        'Debian 6.0 "Squeeze" -695'
    success "--date=2011-01-10 -f --testing -y" \
        'Debian 6.0 "Squeeze" 27'
    success "--date=2011-01-10 -f --testing --days" \
        'Debian 6.0 "Squeeze" 27'
    success "--date=2011-01-10 -f --testing -yrelease" \
        'Debian 6.0 "Squeeze" 27'
    success "--date=2011-01-10 -f --testing --days=release" \
        'Debian 6.0 "Squeeze" 27'

    # sid is never released so can never go eol
    success "--date=2011-01-10 -f --devel -yeol" \
        'Debian  "Sid" (unknown)'
    success "--date=2011-01-10 -f --devel --days=eol" \
        'Debian  "Sid" (unknown)'
}

testRelease() {
    success "--date=2011-01-10 -r --devel" "sid"
    success "--date=2011-01-10 --testing --release" "6.0"
    success "--date=2011-01-10 --release --stable" "5.0"
}

testSeries() {
    success "-r --series rex" "1.2"
}

testCombinedShortform() {
    success "-rd" "sid"
}

testReleaseDate() {
    success "--date 2009-02-13 -o" "sarge"
    success "--date 2009-02-13 -s" "etch"
    success "--date 2009-02-13 -t" "lenny"
    success "--date 2009-02-13 -d" "sid"
    success "--date 2009-02-14 -o" "etch"
    success "--date 2009-02-14 -s" "lenny"
    success "--date 2009-02-14 -t" "squeeze"
    success "--date 2009-02-14 -d" "sid"
}

testHelp() {
    local help='Usage: debian-distro-info [options]

Options:
  -h  --help             show this help message and exit
      --date=DATE        date for calculating the version (default: today)
      --series=SERIES    series to calculate the version for
  -y[MILESTONE]          additionally, display days until milestone
      --days=[MILESTONE] (created, release, eol, eol-lts, eol-elts)
      --alias=DIST       print the alias (oldstable, stable, testing, unstable)
                         relative to the given distribution codename
  -a  --all              list all known versions
  -d  --devel            latest development version
  -t  --testing          current testing version
  -s  --stable           latest stable version
  -o  --oldstable        latest oldstable version
      --supported        list of all supported versions (including development)
  -l  --lts              list of all LTS supported versions
  -e  --elts             list of all Extended LTS supported versions
      --unsupported      list of all unsupported stable versions
  -c  --codename         print the codename (default)
  -f  --fullname         print the full name
  -r  --release          print the release version

See debian-distro-info(1) for more info.'
    success "--help" "$help"
    success "-h" "$help"
}

testExactlyOne() {
    local result='debian-distro-info: You have to select exactly one of --alias, --all, --devel, --elts, --lts, --oldstable, --stable, --supported, --series, --testing, --unsupported.'
    failure "" "$result"
    failure "-ad" "$result"
    failure "--alias foo -a" "$result"
}

testUnrecognizedOption() {
    failure "--foo" "debian-distro-info: unrecognized option \`--foo'"
    failure "-x" "debian-distro-info: unrecognized option \`-x'"
    failure "--supported-esm" "debian-distro-info: unrecognized option \`--supported-esm'"
}

testUnrecognizedArguments() {
    failure "bar" "debian-distro-info: unrecognized arguments: bar"
    failure "baz -s foo" "debian-distro-info: unrecognized arguments: baz foo"
}

testMissingArgumentAlias() {
    failure "--alias" "debian-distro-info: option \`--alias' requires an argument DIST"
}

testMissingArgumentDate() {
    failure "--date" "debian-distro-info: option \`--date' requires an argument DATE"
}

testMissingArgumentSeries() {
    failure "--series" "debian-distro-info: option \`--series' requires an argument SERIES"
}

testInvalidAlias() {
    failure "--alias Sid" "debian-distro-info: invalid distribution codename \`Sid'"
    failure "--alias wr0ng" "debian-distro-info: invalid distribution codename \`wr0ng'"
}

testInvalidDate() {
    failure "--date fail -s" "debian-distro-info: invalid date \`fail'"
    failure "--date=2010-02-30 -d" "debian-distro-info: invalid date \`2010-02-30'"
}

testInvalidSeries() {
    failure "--series wr0ng" "debian-distro-info: invalid distribution series \`wr0ng'"
}


testMultipleAlias() {
    failure "--alias a --alias b" "debian-distro-info: --alias requested multiple times."
}

testMultipleDates() {
    failure "--date 2007-06-05 -s --date 2004-03-02" "debian-distro-info: Date specified multiple times."
}

testMultipleSeries() {
    failure "--series wheezy --series jessie" "debian-distro-info: series requested multiple times."
}

testUnknownSeries() {
    failure "--series foobar" "debian-distro-info: unknown distribution series \`foobar'"
}

testDays() {
    # day after lenny released
    date=2009-02-15

    success "--date=$date --stable " "lenny"

    success "--date=$date --stable --days=created" "-679"
    success "--date=$date --stable --days=created -c" "lenny -679"
    success "--date=$date --stable --days=created -f" "Debian 5.0 \"Lenny\" -679"
    success "--date=$date --stable --days=created -r" "5.0 -679"

    success "--date=$date --stable --days=release" "-1"
    success "--date=$date --stable --days=release -c" "lenny -1"
    success "--date=$date --stable --days=release -f" "Debian 5.0 \"Lenny\" -1"
    success "--date=$date --stable --days=release -r" "5.0 -1"

    success "--date=$date --stable --days" "-1"
    success "--date=$date --stable --days -c" "lenny -1"
    success "--date=$date --stable --days -f" "Debian 5.0 \"Lenny\" -1"
    success "--date=$date --stable --days -r" "5.0 -1"

    success "--date=$date --stable --days=eol" "1086"
    success "--date=$date --stable --days=eol -c" "lenny 1086"
    success "--date=$date --stable --days=eol -f" "Debian 5.0 \"Lenny\" 1086"
    success "--date=$date --stable --days=eol -r" "5.0 1086"

    # date woody released
    date=2002-07-19

    success "--date=$date --stable" "woody"

    success "--date=$date --stable --days=created" "-703"
    success "--date=$date --stable --days=created -c" "woody -703"
    success "--date=$date --stable --days=created -f" "Debian 3.0 \"Woody\" -703"
    success "--date=$date --stable --days=created -r" "3.0 -703"

    success "--date=$date --stable --days=release" "0"
    success "--date=$date --stable --days=release -c" "woody 0"
    success "--date=$date --stable --days=release -f" "Debian 3.0 \"Woody\" 0"
    success "--date=$date --stable --days=release -r" "3.0 0"

    success "--date=$date --stable --days" "0"
    success "--date=$date --stable --days -c" "woody 0"
    success "--date=$date --stable --days -f" "Debian 3.0 \"Woody\" 0"
    success "--date=$date --stable --days -r" "3.0 0"

    success "--date=$date --stable --days=eol" "1442"
    success "--date=$date --stable --days=eol -c" "woody 1442"
    success "--date=$date --stable --days=eol -f" "Debian 3.0 \"Woody\" 1442"
    success "--date=$date --stable --days=eol -r" "3.0 1442"

    # day before etch was released
    date=2007-04-07

    success "--testing --date=$date" "etch"

    success "--testing --date=$date --days=created" "-670"
    success "--testing --date=$date --days=created -c" "etch -670"
    success "--testing --date=$date --days=created -f" "Debian 4.0 \"Etch\" -670"
    success "--testing --date=$date --days=created -r" "4.0 -670"

    success "--testing --date=$date --days" "1"
    success "--testing --date=$date --days -c" "etch 1"
    success "--testing --date=$date --days -f" "Debian 4.0 \"Etch\" 1"
    success "--testing --date=$date --days -r" "4.0 1"

    success "--testing --date=$date --days=release" "1"
    success "--testing --date=$date --days=release -c" "etch 1"
    success "--testing --date=$date --days=release -f" "Debian 4.0 \"Etch\" 1"
    success "--testing --date=$date --days=release -r" "4.0 1"

    success "--testing --date=$date --days=eol" "1045"
    success "--testing --date=$date --days=eol -c" "etch 1045"
    success "--testing --date=$date --days=eol -f" "Debian 4.0 \"Etch\" 1045"
    success "--testing --date=$date --days=eol -r" "4.0 1045"

    # day before wheezy was released
    date=2013-05-03

    success "--testing --date=$date" "wheezy"

    success "--testing --date=$date --days=created" "-817"
    success "--testing --date=$date --days=created -c" "wheezy -817"
    success "--testing --date=$date --days=created -f" "Debian 7 \"Wheezy\" -817"
    success "--testing --date=$date --days=created -r" "7 -817"

    success "--testing --date=$date --days" "1"
    success "--testing --date=$date --days -c" "wheezy 1"
    success "--testing --date=$date --days -f" "Debian 7 \"Wheezy\" 1"
    success "--testing --date=$date --days -r" "7 1"

    success "--testing --date=$date --days=release" "1"
    success "--testing --date=$date --days=release -c" "wheezy 1"
    success "--testing --date=$date --days=release -f" "Debian 7 \"Wheezy\" 1"
    success "--testing --date=$date --days=release -r" "7 1"

    success "--testing --date=$date --days=eol" "1089"
    success "--testing --date=$date --days=eol -c" "wheezy 1089"
    success "--testing --date=$date --days=eol -f" "Debian 7 \"Wheezy\" 1089"
    success "--testing --date=$date --days=eol -r" "7 1089"

    success "--testing --date=$date --days=eol-lts" "1854"
    success "--testing --date=$date --days=eol-lts -c" "wheezy 1854"
    success "--testing --date=$date --days=eol-lts -f" "Debian 7 \"Wheezy\" 1854"
    success "--testing --date=$date --days=eol-lts -r" "7 1854"

    success "--testing --date=$date --days=eol-elts" "2615"
    success "--testing --date=$date --days=eol-elts -c" "wheezy 2615"
    success "--testing --date=$date --days=eol-elts -f" "Debian 7 \"Wheezy\" 2615"
    success "--testing --date=$date --days=eol-elts -r" "7 2615"
}

. shunit2