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use strict;
use Test::More;
BEGIN {
eval "use DBD::SQLite";
plan $@ ? (skip_all => 'needs DBD::SQLite for testing') : (tests => 33);
}
use lib 't/testlib';
use Film;
Film->retrieve_all->delete_all;
my @film = (
Film->insert({ Title => 'Film 1' }),
Film->insert({ Title => 'Film 2' }),
Film->insert({ Title => 'Film 3' }),
Film->insert({ Title => 'Film 4' }),
Film->insert({ Title => 'Film 5' }),
Film->insert({ Title => 'Film 6' }),
);
{
my $it1 = Film->retrieve_all;
isa_ok $it1, "Class::DBI::Iterator";
my $it2 = Film->retrieve_all;
isa_ok $it2, "Class::DBI::Iterator";
while (my $from1 = $it1->next) {
my $from2 = $it2->next;
is $from1->id, $from2->id, "Both iterators get $from1";
}
}
{
my $it = Film->retrieve_all;
is $it->first->title, "Film 1", "Film 1 first";
is $it->next->title, "Film 2", "Film 2 next";
is $it->first->title, "Film 1", "First goes back to 1";
is $it->next->title, "Film 2", "With 2 still next";
$it->reset;
is $it->next->title, "Film 1", "Reset brings us to film 1 again";
is $it->next->title, "Film 2", "And 2 is still next";
}
{
my $it = Film->retrieve_all;
my @slice = $it->slice(2,4);
is @slice, 3, "correct slice size (array)";
is $slice[0]->title, "Film 3", "Film 3 first";
is $slice[2]->title, "Film 5", "Film 5 last";
}
{
my $it = Film->retrieve_all;
my $slice = $it->slice(2,4);
isa_ok $slice, "Class::DBI::Iterator", "slice as iterator";
is $slice->count, 3,"correct slice size (array)";
is $slice->first->title, "Film 3", "Film 3 first";
is $slice->next->title, "Film 4", "Film 4 next";
is $slice->first->title, "Film 3", "First goes back to 3";
is $slice->next->title, "Film 4", "With 4 still next";
$slice->reset;
is $slice->next->title, "Film 3", "Reset brings us to film 3 again";
is $slice->next->title, "Film 4", "And 4 is still next";
# check if the original iterator still works
is $it->count, 6, "back to the original iterator, is of right size";
is $it->first->title, "Film 1", "Film 1 first";
is $it->next->title, "Film 2", "Film 2 next";
is $it->first->title, "Film 1", "First goes back to 1";
is $it->next->title, "Film 2", "With 2 still next";
is $it->next->title, "Film 3", "Film 3 is still in original Iterator";
$it->reset;
is $it->next->title, "Film 1", "Reset brings us to film 1 again";
is $it->next->title, "Film 2", "And 2 is still next";
}
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