File Coverage

blib/lib/Test2/Compare/OrderedSubset.pm

Criterion	Covered	Total	%
statement	58	58	100.0
branch	17	18	94.4
condition	2	2	100.0
subroutine	11	11	100.0
pod	4	5	80.0
total	92	94	97.8

package Test2::Compare::OrderedSubset;
use strict;
use warnings;

use base 'Test2::Compare::Base';

our $VERSION = '0.000156';

use Test2::Util::HashBase qw/inref items/;

use Carp qw/croak/;
use Scalar::Util qw/reftype/;

sub init {
    my $self = shift;

    if(my $ref = $self->{+INREF}) {
        croak "Cannot specify both 'inref' and 'items'" if $self->{+ITEMS};
        croak "'inref' must be an array reference, got '$ref'" unless reftype($ref) eq 'ARRAY';
        $self->{+ITEMS} = [@{$self->{+INREF}}];
    }

    $self->{+ITEMS} ||= [];

    $self->SUPER::init();
}

sub name { '' }

sub verify {
    my $self = shift;
    my %params = @_;

    return 0 unless $params{exists};
    defined( my $got = $params{got} ) || return 0;
    return 0 unless ref($got);
    return 0 unless reftype($got) eq 'ARRAY';
    return 1;
}

sub add_item {
    my $self = shift;
    my $check = pop;

    push @{$self->{+ITEMS}} => $check;
}

sub deltas {
    my $self = shift;
    my %params = @_;
    my ($got, $convert, $seen) = @params{qw/got convert seen/};

    my @deltas;
    my $state = 0;
    my $items = $self->{+ITEMS};

    my $idx = 0;

    for my $item (@$items) {
        my $check = $convert->($item);

        my $i = $idx;
        my $found;
        while($i < @$got) {
            my $val = $got->[$i++];
            next if $check->run(
                id      => [ARRAY => $i],
                convert => $convert,
                seen    => $seen,
                exists  => 1,
                got     => $val,
            );

            $idx = $i;
            $found++;
            last;
        }

        next if $found;

        push @deltas => Test2::Compare::Delta->new(
            verified => 0,
            id       => ['ARRAY', '?'],
            check    => $check,
            dne      => 'got',
        );
    }

    return @deltas;
}

1;

__END__