use Test::More tests => 5;

use_ok('Tao::DBI::st_deep');

my $ctl = [ 'a' => 'a', 'y' => 'b', '*' => 'z' ];
my $hash = {
	a => 'string',
	y => 42, # number
	c => 'another string',
	#b => 6, 
	d => [ 1, 2, 3 ],
	e => { k => 'v' },

};

# TODO: removing entries in original hash: maybe 'b' => undef

my $tr_hash = Tao::DBI::st_deep::tr_hash($hash, $ctl);

my $out = {
	a => 'string',
	b => 42,
	z => {
		c => 'another string',
		d => [ 1, 2, 3 ],
		e => { k => 'v' }
	}
};

is_deeply($tr_hash, $out, 'tr_hash() works');

my $back = Tao::DBI::st_deep::tr_hash($tr_hash, $ctl, 1);

is_deeply($back, $hash, 'tr_hash() inverse works');

# now testing transforms

my $ctl2 = [ 'a' => 'a', 'y' => 'b', '*' => 'z:ddumper' ];

use Data::Dumper;

my $tr_hash2 = Tao::DBI::st_deep::tr_hash($hash, $ctl2);

my $out2 = {
	a => 'string',
	b => 42,
	z => Data::Dumper::Dumper { # FIXME: not a perfect test: many representations
		c => 'another string',
		d => [ 1, 2, 3 ],
		e => { k => 'v' }
	}
};

is_deeply($tr_hash2, $out2, 'tr_hash() with transforms works');

my $back2 = Tao::DBI::st_deep::tr_hash($tr_hash2, $ctl2, 1);

is_deeply($back2, $hash, 'tr_hash() inverse with transforms works');