#!/usr/bin/perl

# This test is to confirm that values are preserved
# for input data when used with multiple constraints
# as 'params'

# note: this relies on the constraint built_to_fail
# being evaluated before expected_to_succeed. Which
# relies on the order on which perl returns the keys
# from each %{ $profile->{constraints} }

use Test::More tests => 7;
use Data::FormValidator;
use strict;

my %data = (
  'depart_date'         => '2004',
  'return_date'         => '2005',
);

my %profile = (
  required => [qw/
    depart_date
    return_date
    /],
  field_filters => {
      depart_date => sub { my $v = shift; $v =~ s/XXX//; $v;  }
  },
  constraints => {
      depart_date => {
        name       => 'expected_to_succeed',
        params     => [qw/depart_date return_date/],
        constraint => sub {
            my ($depart,$return) = @_;
            Test::More::is($depart, '2004');
            Test::More::is($return, '2005');
            return ($depart < $return);
        },
      },
      return_date => {
        name       => 'built_to_fail',
        params     => [qw/depart_date return_date/],
        constraint => sub {
            my ($depart,$return) = @_;
            Test::More::is($depart, '2004');
            Test::More::is($return, '2005');
            return ($depart > $return);
        },
      },
  },
  missing_optional_valid => 1,
  msgs => {
    format => 'error(%s)',
    constraints => {
        'valid_date' => 'bad date',
        'depart_le_return' => 'depart is greater than return',
      },
  },
);


my $results = Data::FormValidator->check(\%data, \%profile);

ok(!$results->valid('return_date'), 'first constraint applied intentionally fails');
ok($results->valid('depart_date'),  
    'second constraint still has access to value of field used in first failed constraint.');


# The next test are to confirm when a constraint method returns 'undef'
# that it causes no warnings to be issued
{
    my %profile = (
        required                => ['foo'],
        constraints             => {
            foo => {
                constraint  => sub {
                    return;
                },
            },
        },
        untaint_all_constraints => 1,
    );

    my $err = '';
    local *STDERR;
    open STDERR, '>', \$err;
    my $results = Data::FormValidator->check({ foo => 1}, \%profile);
    is($err, '', 'no warnings emitted');

}