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# -*-Perl-*- Test Harness script for Bioperl
# $Id$

use strict;

BEGIN {
   use Bio::Root::Test;
   
   test_begin(-tests => 27);
   
   use_ok('Bio::Tools::Run::Hmmer');
   use_ok('Bio::SeqIO');
   use_ok('Bio::AlignIO');
}

my $verbose = test_debug();
my $quiet = $verbose > 0 ? 0 : 1;

my $db = test_input_file('pfam_sample_R11');
my @params = ('DB'=>$db,'E'=>5,'program'=>'hmmpfam','A'=>2,'-verbose' => $verbose, -quiet => $quiet);

#test HMMPFAM
my $factory = Bio::Tools::Run::Hmmer->new(@params);
isa_ok($factory, 'Bio::Tools::Run::Hmmer');
is $factory->E, 5;
is $factory->DB, $db;
is $factory->hmm, $db;
my $prot_file = test_input_file('hmmpfam_protein_input');

my $seqstream = Bio::SeqIO->new(-file => $prot_file,
-format => 'fasta');
my $seq1 = $seqstream->next_seq();

SKIP: {
   # here we assume if hmmpfam isn't present, nothing is present
   test_skip(-requires_executable => $factory,
             -tests => 20);

   my $searchio = $factory->run($seq1);
   
   my @feat;
   while (my $result = $searchio->next_result){
     while(my $hit = $result->next_hit){
       while (my $hsp = $hit->next_hsp){
         push @feat, $hsp;
       }
     }
   }
   
   isa_ok $feat[0], 'Bio::SeqFeatureI';
   is ($feat[0]->feature1->start,25);
   is ($feat[0]->feature1->end,92);
   is ($feat[0]->feature2->start,1);
   is ($feat[0]->feature2->end,124);

   #test HMMSEARCH
   @params = ('HMM'=>$db,'E'=>5,'program'=>'hmmsearch','-verbose' => $verbose, -quiet => $quiet);
   $factory = Bio::Tools::Run::Hmmer->new(@params);
   isa_ok $factory, 'Bio::Tools::Run::Hmmer';
   is $factory->E, 5;
   
   SKIP: {
      test_skip(-requires_executable => $factory,
                -tests => 5);
      
      my $searchio = $factory->run($seq1);
      my @feat;
      while (my $result = $searchio->next_result){
        while(my $hit = $result->next_hit){
          while (my $hsp = $hit->next_hsp){
            push @feat, $hsp;
          }
        }
      }
      
      isa_ok $feat[0], 'Bio::SeqFeatureI';#Bio::Search::HSP::HMMERHSP
      is ($feat[0]->feature1->start,1);
      is ($feat[0]->feature1->end,124);
      is ($feat[0]->feature2->start,25);
      is ($feat[0]->feature2->end,92);
   }
   
   #test HMMBUILD
   my $hmmout = test_output_file();
   unlink($hmmout);
   @params = ('HMM'=>$hmmout,'program'=>'hmmbuild', -verbose => $verbose, -quiet => $quiet);
   $factory = Bio::Tools::Run::Hmmer->new(@params);
   isa_ok $factory, 'Bio::Tools::Run::Hmmer';
   is $factory->quiet, $quiet;
   my $aln_file = test_input_file('cysprot.msf');
   my $aio = Bio::AlignIO->new(-file=>$aln_file,-format=>'msf');
   my $aln = $aio->next_aln;
   
   SKIP: {
      test_skip(-requires_executable => $factory,
                -tests => 2);
      ok $factory->run($aln);
      ok -s $hmmout;
   }
   
   #test HMMCALIBRATE, and from now on, alternate (preferred) run method calling,
   #though we need to check the executables are present in the normal way first
   $factory->program_name('hmmcalibrate');
   
   SKIP: {
      test_skip(-requires_executable => $factory,
                -tests => 1);
      ok $factory->hmmcalibrate();
   }
   
   $factory->program_name('hmmalign');
   
   #test HMMALIGN
   my $seqfile = test_input_file('cysprot1a.fa');
   my $seqio = Bio::SeqIO->new(-file => $seqfile,
                   -format=> 'fasta');
   my @seqs;
   while( my $seq = $seqio->next_seq ) {
      push @seqs, $seq;
   }
   
   SKIP: {
      test_skip(-requires_executable => $factory,
                -tests => 2);
      $aio = $factory->hmmalign(@seqs);
      ok $aln = $aio->next_aln;
      is($aln->each_seq, 3);
   }
   
   $factory->program_name('hmmemit');
   
   #test HMMEMIT
   SKIP: {
      test_skip(-requires_executable => $factory,
                -tests => 1);
      my $seqio = $factory->hmmemit();
      my @seqs;
      while (my $seq = $seqio->next_seq) {
         push(@seqs, $seq);
      }
      is @seqs, 10; # emits 10 seqs by default
   }

   # Delete temporary file
   unlink($hmmout);
}
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