# Before `make install' is performed this script should be runnable with
# `make test'. After `make install' it should work as `perl XML-XML2JSON.t'

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

use strict;

use CPAN;

use Test::More tests => 2;

BEGIN { use_ok('XML::XML2JSON') };

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

my @Modules = qw(JSON::Syck JSON::XS JSON JSON::DWIW);

my $XML = qq|<?xml version="1.0" encoding="UTF-8" ?>
<test>
	<data attr1="test">some test text</data>
	<empty a="b"><inner c="d"/></empty>
	<private/>
	<censored foo="secret"/>
</test>
|;

diag "\nChecking for compatible JSON modules (you need at least one):\n";

my $FoundModules = 0;

foreach my $Module (@Modules)
{
	$FoundModules++ if &check_module($Module);
}

diag "compatible JSON modules found: $FoundModules";

ok($FoundModules);

sub check_module
{
	my ($Module) = @_;
	
	diag "checking for $Module...";
	
	eval "use $Module (); 1;";
	if ($@)
	{
		diag "NOT FOUND";
		return 0;
	}
	else
	{
		eval
		{
			my $XML2JSON = XML::XML2JSON->new
			( 
				module => $Module, 
				empty_elements => [qw( empty )],
				private_elements => [qw( private )],
				private_attributes => [qw( foo )],
				debug => 0,
			);
			my $JSON = $XML2JSON->convert($XML);
			
			# check attribute
			die "$Module: attribute test failed" unless $JSON =~ /["']\@attr1["']\s*:\s*["']test["']/;

			# check element text
			die "$Module: text test failed" unless $JSON =~ /["']\$t["']\s*:\s*["']some test text["']/;
			
			my $Object = $XML2JSON->json2obj($JSON);
			
			# test sanitize
			die "$Module: private element was not removed" if $Object->{test}->{private};
			die "$Module: empty element is not empty" if grep /^\@/, keys %{$Object->{test}->{empty}};
			die "$Module: empty element destroyed child" unless $Object->{test}->{empty}->{inner};
			die "$Module: private attribute was not removed" if $Object->{test}->{censored}->{foo};
		};
		if ($@)
		{
			diag "FAILED: $@";
			return 0;
		}
	}
	
	diag "OK";
	return 1;
}