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# mt-aws-glacier - Amazon Glacier sync client
# Copyright (C) 2012-2014  Victor Efimov
# http://mt-aws.com (also http://vs-dev.com) vs@vs-dev.com
# License: GPLv3
#
# This file is part of "mt-aws-glacier"
#
#    mt-aws-glacier 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 3 of the License, or
#    (at your option) any later version.
#
#    mt-aws-glacier 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 <http://www.gnu.org/licenses/>.

package TestUtils;

use FindBin;
use lib "$FindBin::RealBin/../lib";
use strict;
use warnings;

use App::MtAws::ConfigDefinition;
use App::MtAws::ConfigEngine;
use Test::More;

use Exporter;
use Encode;
use Carp;
use IO::Pipe;
use B();
use File::Temp qw/tempdir/;

our %disable_validations;
our @EXPORT = qw/fake_config config_create_and_parse disable_validations no_disable_validations warning_fatal
capture_stdout capture_stderr assert_raises_exception ordered_test test_fast_ok fast_ok with_fork
can_work_with_non_utf8_files get_temp_dir is_iv_without_pv is_posix_root JSON_XS_TRUE JSON_XS_FALSE plan_tests/;

our %SPECIAL_EXPORT = map { $_ => undef } qw/w_fatal/;
sub import
{
	@_ = grep { ! (exists $SPECIAL_EXPORT{$_} && ($SPECIAL_EXPORT{$_} = 1)) } @_;
	warning_fatal() if ($SPECIAL_EXPORT{w_fatal}) ; # compile time warnings fatal
	goto &Exporter::import;
}

use Test::Deep; # should be last line, after EXPORT stuff, otherwise versions ^(0\.089|0\.09[0-9].*) do something nastly with exports

use constant ALARM_FOR_FORK_TESTS => 30;

# different versions of JSON::XS documents different constants to use
# what is allowed in both cases - is the use of \0 and \1
use constant JSON_XS_TRUE => \1;
use constant JSON_XS_FALSE => \0;

# run time or compile time warnings fatal
sub warning_fatal
{
	my ($skip_re) = @_;
	$SIG{__WARN__} = sub {
		if (!defined($skip_re) || $_[0] !~ $skip_re) {
			confess "Termination after a warning: $_[0]"
		}
	};
}

sub get_temp_dir
{
	$SIG{INT} = sub { exit(1); }; # Global signal, for cleaning temporary files
	tempdir("__AppMtAws_t_${$}_XXXXXXXX", TMPDIR => 1, CLEANUP => 1); # pid needed cause child processes re-use random number generators
}

sub fake_config(@)
{
	my ($cb, %data) = (pop @_, @_);
	no warnings 'redefine';
	local *App::MtAws::ConfigEngine::read_config = sub { %data ? { %data } : { (key=>'mykey', secret => 'mysecret', region => 'myregion') } };
	disable_validations($cb);
}

sub no_disable_validations
{
	local %disable_validations = ();
	shift->();
}

sub disable_validations
{
	my ($cb, @data) = (pop @_, @_);
	local %disable_validations = @data ?
	(
		'override_validations' => {
			map { $_ => undef } @data
		},
	) :
	(
		'override_validations' => {
			journal => undef,
			secret  => undef,
			key => undef,
			dir => undef,
		},
	);
	$cb->();
}

sub config_create_and_parse(@)
{
#	use Data::Dumper;
#	die Dumper {%disable_validations};
	my $c = App::MtAws::ConfigDefinition::get_config(%disable_validations);