#!/usr/bin/perl
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <https://www.gnu.org/licenses/>.

use strict;
use warnings;

use Test::More tests => 28;

use Dpkg::ErrorHandling;

use_ok('Dpkg::BuildOptions');

{
    no warnings; ## no critic (TestingAndDebugging::ProhibitNoWarnings)
    # Disable warnings related to invalid values fed during
    # the tests
    report_options(quiet_warnings => 1);
}

$ENV{DEB_BUILD_OPTIONS} = 'noopt foonostripbar parallel=3 bazNOCHECK';

my $dbo = Dpkg::BuildOptions->new();
ok($dbo->has('noopt'), 'has noopt');
is($dbo->get('noopt'), undef, 'noopt value');
ok($dbo->has('foonostripbar'), 'has foonostripbar');
is($dbo->get('foonostripbar'), undef, 'foonostripbar value');
ok($dbo->has('parallel'), 'has parallel');
is($dbo->get('parallel'), 3, 'parallel value');
ok(!$dbo->has('bazNOCHECK'), 'not has bazNOCHECK');

$dbo->reset();
$dbo->merge('no opt no-strip parallel = 5 nocheck', 'test');
ok($dbo->has('no'), 'has no');
is($dbo->get('no'), undef, 'no value');
ok($dbo->has('opt'), 'has opt');
is($dbo->get('opt'), undef, 'opt value');
ok($dbo->has('no-strip'), 'has no-strip');
is($dbo->get('no-strip'), undef, 'no-strip value');
ok($dbo->has('parallel'), 'has parallel');
is($dbo->get('parallel'), '', 'parallel value');
ok($dbo->has('nocheck'), 'has nocheck');
is($dbo->get('nocheck'), undef, 'nocheck value');

$dbo->reset();
$dbo->set('parallel', 5);
$dbo->set('noopt', undef);

my $env = $dbo->export();
is($env, 'noopt parallel=5', 'value of export');
is($ENV{DEB_BUILD_OPTIONS}, $env, 'env match return value of export');
$env = $dbo->export('OTHER_VARIABLE');
is($ENV{OTHER_VARIABLE}, $env, 'export to other variable');

$ENV{DEB_BUILD_OPTIONS} = 'foobar';
$dbo = Dpkg::BuildOptions->new();
$dbo->set('noopt', 1);
is($dbo->output(), 'foobar noopt', 'output');

$dbo = Dpkg::BuildOptions->new(envvar => 'OTHER_VARIABLE');
is($dbo->get('parallel'), 5, 'import from other variable, check parallel');
ok($dbo->has('noopt'), 'import from other variable, check noopt');

my %theme = (
    metal => undef,
    pink => undef,
    rusty => undef,
    sky => undef,
);
my %theme_ref;

$dbo = Dpkg::BuildOptions->new();

$theme_ref{$_} = 1 foreach keys %theme;
$dbo->set('theme', '+all');
$dbo->parse_features('theme', \%theme);
is_deeply(\%theme, \%theme_ref, 'features set with +all');

$theme{$_} = undef foreach keys %theme;
$theme_ref{$_} = 1 foreach keys %theme;
$theme_ref{rusty} = 0;
$dbo->set('theme', '+all,-rusty');
$dbo->parse_features('theme', \%theme);
is_deeply(\%theme, \%theme_ref, 'features set with +all,-rusty');

$theme{$_} = undef foreach keys %theme;
$theme_ref{$_} = 0 foreach keys %theme;
$theme_ref{metal} = 1;
$dbo->set('theme', '-all,+metal');
$dbo->parse_features('theme', \%theme);
is_deeply(\%theme, \%theme_ref, 'features set with +all,-rusty');

$theme{$_} = $theme_ref{$_} = undef foreach keys %theme;
$theme_ref{pink} = 1;
$theme_ref{sky} = 0;
$dbo->set('theme', '+pink,-sky');
$dbo->parse_features('theme', \%theme);
is_deeply(\%theme, \%theme_ref, 'features set with +pink,-sky');