use strict;

use Test::More 0.95;

use Cwd;
use Test::Prereq;
use Test::Prereq::Build;

use lib qw(.);

# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # 

subtest 'get_prereqs' => sub {
	my $cwd = cwd;
	chdir "testdir/build_pl" or warn "Could not change directory! $!";
	my $modules = Test::Prereq::Build->_get_prereqs();
	diag "Didn't find right modules!\nFound <@$modules>\n" unless
	is_deeply( 
		$modules, 
			[ 
			sort qw( Module::Build Module::CoreList Module::Info 
			Test::Builder Test::Builder::Tester Test::Manifest Test::More ) 
			],
		'Right modules for Build.PL'
		);
	chdir $cwd or warn "Could not reset dirctory! $!";
	};

# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # 
subtest 'good_makefile' => sub {
	my $cwd = cwd;
	chdir "testdir/good_makefile" or warn "Could not change directory! $!";
	ok( -e 'Makefile.PL', 'Makefile.PL is in the current working directory' );
	my $modules = Test::Prereq->_get_prereqs();

	isa_ok( $modules, 'ARRAY' );

	diag "Didn't find right modules!\nFound <@$modules>\n" unless
		is_deeply( 
			$modules, 
				[ 
				sort qw( HTTP::Size XML::Twig Test::Output Test::Manifest ) 
				],
			'Right modules for Makefile.PL'
			);

	chdir $cwd or warn "Could not reset dirctory! $!";
	};

# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # 
subtest 'bad_makefile' => sub {
	my $cwd = cwd;
	chdir "testdir/bad_makefile" or warn "Could not change directory! $!";
	diag( "You might see an error about loading a Makefile.PL. That's fine." );
	my $modules = Test::Prereq->_get_prereqs();

	my $okay = defined $modules ? 0 : 1;

	ok( $okay, 'Bad Makefile.PL fails in right way' );
	chdir $cwd or warn "Could not reset dirctory! $!";
	};

done_testing();