nysus has asked for the wisdom of the Perl Monks concerning the following question:
I'm using Test::Most and have the following simple test:
{ my $fi2 = ''; $fi2 = FileImporter->new('t/test_data/really_good'); my %ref_check = ( _parseable_files => 'ARRAY', _nonparseable_files => 'ARRAY', _files => 'HASH', _bad_header_files => 'ARRAY', ); ref_check($fi2, \%ref_check); # tests are run in the subroutine }
The test passes fine when run by itself. However, when I throw another test in front of it which creates a similar object...
{ ### New test place in front of the earlier test my $fi; lives_ok { $fi = FileImporter->new('t/test_data/file'); } 'creates object'; $fi->DESTROY; FileImporter->DESTROY; } { ### Same test as before, now fails with new test in front of it my $fi2 = ''; $fi2 = FileImporter->new('t/test_data/really_good'); my %ref_check = ( _parseable_files => 'ARRAY', _nonparseable_files => 'ARRAY', _files => 'HASH', _bad_header_files => 'ARRAY', ); ref_check($fi2, \%ref_check); }
...the second test now fails even though it's the same test that ran alone. I traced the problem down to a class subroutine which iterates over file names:
{ my $iterator; sub _file_iterator { my @files = @_; my $f = sub { shift @files; }; return $f; } sub get_next_file { my $s = shift; if (!$s->{_selected_file}) { my @files = @_ ? @_ : $s->get_files; $iterator = _file_iterator(@files) if !$iterator; } my $next_file = $iterator->(); $s->{_selected_file} = $next_file; $iterator = '' if !$next_file; return $next_file; } }
Somehow, the iterator is populated with a file name left over from the first test. I'm not sure how or why this is happening. I've placed the tests in two different scopes and given them a different name. I'm assuming there is some kind of voodoo going on under the hood with Test::Most. I'm looking for a way to wipe out my FileImporter class out of memory.
$PM = "Perl Monk's";
$MCF = "Most Clueless Friar Abbot Bishop Pontiff Deacon Curate Priest Vicar";
$nysus = $PM . ' ' . $MCF;
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