1 # -*-Perl-*- Test Harness script for Bioperl
8 # use List::MoreUtils qw(uniq);
11 test_begin(-tests => 133);
13 use_ok('Bio::PrimarySeq');
14 use_ok('Bio::SeqUtils');
15 use_ok('Bio::LiveSeq::Mutation');
16 use_ok('Bio::SeqFeature::Generic');
17 use_ok('Bio::Annotation::SimpleValue');
18 use_ok('Bio::Annotation::Collection');
19 use_ok('Bio::Annotation::Comment');
22 my ($seq, $util, $ascii, $ascii_aa, $ascii3);
24 # Entire alphabet now IUPAC-endorsed and used in GenBank (Oct 2006)
25 $ascii = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ';
26 $ascii_aa = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ';
29 'AlaAsxCysAspGluPheGlyHisIleXleLysLeuMetAsnPylProGlnArgSerThrSecValTrpXaaTyrGlx';
31 $seq = Bio::PrimarySeq->new('-seq'=> $ascii,
32 '-alphabet'=>'protein',
35 # one letter amino acid code to three letter code
36 ok $util = Bio::SeqUtils->new();
37 is $util->seq3($seq), $ascii3;
40 is (Bio::SeqUtils->seq3($seq), $ascii3);
41 is (Bio::SeqUtils->seq3($seq, undef, ','),
42 'Ala,Asx,Cys,Asp,Glu,Phe,Gly,His,Ile,Xle,Lys,'.
43 'Leu,Met,Asn,Pyl,Pro,Gln,Arg,Ser,Thr,Sec,Val,Trp,Xaa,Tyr,Glx');
45 $seq->seq('asd-KJJK-');
46 is (Bio::SeqUtils->seq3($seq, '-', ':'),
47 'Ala:Ser:Asp:Ter:Lys:Xle:Xle:Lys:Ter');
49 # three letter amino acid code to one letter code
50 ok (Bio::SeqUtils->seq3in($seq, 'AlaPYHCysAspGlu'));
51 is $seq->seq, 'AXCDE';
52 is (Bio::SeqUtils->seq3in($seq, $ascii3)->seq, $ascii_aa);
55 # Tests for multiframe translations
58 $seq = Bio::PrimarySeq->new('-seq'=> 'agctgctgatcggattgtgatggctggatggcttgggatgctgg',
62 my @a = $util->translate_3frames($seq);
65 # print 'ID: ', $a->id, ' ', $a->seq, "\n";
68 @a = $util->translate_6frames($seq);
71 # print 'ID: ', $a->id, ' ', $a->seq, "\n";
75 # test for valid AA return
78 my @valid_aa = sort Bio::SeqUtils->valid_aa;
80 is($valid_aa[1], 'A');
82 @valid_aa = sort Bio::SeqUtils->valid_aa(1);
84 is ($valid_aa[1], 'Arg');
86 my %valid_aa = Bio::SeqUtils->valid_aa(2);
87 is keys %valid_aa, 54;
88 is($valid_aa{'C'}, 'Cys');
89 is( $valid_aa{'Cys'}, 'C');
97 $seq = Bio::PrimarySeq->new('-seq'=> 'aggt',
102 Bio::SeqUtils->mutate($seq,
103 Bio::LiveSeq::Mutation->new(-seq => 'c',
107 is $seq->seq, 'agct';
109 # insertion and deletion
111 Bio::LiveSeq::Mutation->new(-seq => 'tt',
115 Bio::LiveSeq::Mutation->new(-pos => 2,
120 Bio::SeqUtils->mutate($seq, @mutations);
121 is $seq->seq, 'agct';
123 # insertion to the end of the sequence
124 Bio::SeqUtils->mutate($seq,
125 Bio::LiveSeq::Mutation->new(-seq => 'aa',
130 is $seq->seq, 'agctaa';
135 # testing Bio::SeqUtils->cat
140 my $primseq1 = Bio::PrimarySeq->new(-id => 1, -seq => 'acgt', -description => 'master');
141 my $primseq2 = Bio::PrimarySeq->new(-id => 2, -seq => 'tgca');
143 Bio::SeqUtils->cat($primseq1, $primseq2);
144 is $primseq1->seq, 'acgttgca';
145 is $primseq1->description, 'master';
147 #should work for Bio::LocatableSeq
148 #should work for Bio::Seq::MetaI Seqs?
153 my $seq1 = Bio::Seq->new(-id => 1, -seq => 'aaaa', -description => 'first');
154 my $seq2 = Bio::Seq->new(-id => 2, -seq => 'tttt', -description => 'second');
155 my $seq3 = Bio::Seq->new(-id => 3, -seq => 'cccc', -description => 'third');
159 my $ac2 = Bio::Annotation::Collection->new();
160 my $simple1 = Bio::Annotation::SimpleValue->new(
161 -tagname => 'colour',
164 my $simple2 = Bio::Annotation::SimpleValue->new(
165 -tagname => 'colour',
168 $ac2->add_Annotation('simple',$simple1);
169 $ac2->add_Annotation('simple',$simple2);
170 $seq2->annotation($ac2);
172 my $ac3 = Bio::Annotation::Collection->new();
173 my $simple3 = Bio::Annotation::SimpleValue->new(
174 -tagname => 'colour',
177 $ac3->add_Annotation('simple',$simple3);
178 $seq3->annotation($ac3);
181 ok (Bio::SeqUtils->cat($seq1, $seq2, $seq3));
182 is $seq1->seq, 'aaaattttcccc';
183 is scalar $seq1->annotation->get_Annotations, 3;
187 my $ft2 = Bio::SeqFeature::Generic->new( -start => 1,
190 -primary => 'source',
191 -tag => {note => 'note2'},
195 my $ft3 = Bio::SeqFeature::Generic->new( -start => 3,
198 -primary => 'hotspot',
199 -tag => {note => ['note3a','note3b'],
203 $seq2->add_SeqFeature($ft2);
204 $seq2->add_SeqFeature($ft3);
206 my $seq1_length = $seq1->length;
207 ok (Bio::SeqUtils->cat($seq1, $seq2));
208 is $seq1->seq, 'aaaattttcccctttt';
209 is scalar $seq1->annotation->get_Annotations, 5;
210 is_deeply([uniq_sort(map{$_->get_all_tags}$seq1->get_SeqFeatures)], [sort qw(note comment)], 'cat - has expected tags');
211 is_deeply([sort map{$_->get_tagset_values('note')}$seq1->get_SeqFeatures], [sort qw(note2 note3a note3b)], 'cat - has expected tag values');
214 @tags = map{$_->get_tag_values(q(note))}$seq1->get_SeqFeatures ;
215 } 'cat - note tag transfered (no throw)';
216 cmp_ok(scalar(@tags),'==',3, 'cat - note tag values transfered (correct count)') ;
217 my ($ft3_precat) = grep ($_->primary_tag eq 'hotspot', $seq2->get_SeqFeatures);
218 is ($ft3_precat->start, 3, "get correct start of feature before 'cat'");
219 my ($ft3_cat) = grep ($_->primary_tag eq 'hotspot', $seq1->get_SeqFeatures);
220 is ($ft3_cat->start, 3+$seq1_length, "get correct start of feature after 'cat'");
223 my $protseq = Bio::PrimarySeq->new(-id => 2, -seq => 'MVTF'); # protein seq
226 Bio::SeqUtils->cat($seq1, $protseq);
227 } qr/different alphabets:/, 'different alphabets' ;
234 $seq = Bio::PrimarySeq->new('-seq'=> 'aaaaaaaaaa',
239 $util = Bio::SeqUtils->new(-verbose => 0);
240 ok my $newseq = $util->evolve($seq, 60, 4);
244 $seq2 = Bio::Seq->new(-id => 2, -seq => 'ggttaaaa', -description => 'second');
245 $ac3 = Bio::Annotation::Collection->new();
246 $simple3 = Bio::Annotation::SimpleValue->new(
247 -tagname => 'colour',
250 $ac3->add_Annotation('simple',$simple3);
251 $seq2->annotation($ac3);
252 $ft2 = Bio::SeqFeature::Generic->new( -start => 1,
255 -primary => 'source',
256 -tag => {note => 'note2'},
260 $ft3 = Bio::SeqFeature::Generic->new( -start => 5,
263 -primary => 'hotspot',
264 -tag => {note => ['note3a','note3b'],
268 my $ft4 = Bio::SeqFeature::Generic->new(-primary => 'CDS');
269 $ft4->location(Bio::Location::Fuzzy->new(-start=>'<1',
273 $seq2->add_SeqFeature($ft2);
274 $seq2->add_SeqFeature($ft3);
275 $seq2->add_SeqFeature($ft4);
277 my $trunc=Bio::SeqUtils->trunc_with_features($seq2, 2, 7);
278 is $trunc->seq, 'gttaaa';
279 my @feat=$trunc->get_SeqFeatures;
280 is $feat[0]->location->to_FTstring, '<1..3';
281 is $feat[1]->location->to_FTstring, 'complement(4..>6)';
282 is $feat[2]->location->to_FTstring, 'complement(<1..4)';
283 is_deeply([uniq_sort(map{$_->get_all_tags}$trunc->get_SeqFeatures)], [sort qw(note comment)], 'trunc_with_features - has expected tags');
284 is_deeply([sort map{$_->get_tagset_values('note')}$trunc->get_SeqFeatures], [sort qw(note2 note3a note3b)], 'trunc_with_features - has expected tag values');
286 my $revcom=Bio::SeqUtils->revcom_with_features($seq2);
287 is $revcom->seq, 'ttttaacc';
288 my ($rf1) = $revcom->get_SeqFeatures('hotspot');
289 is $rf1->primary_tag, $ft3->primary_tag, 'primary_tag matches original feature...';
290 is $rf1->location->to_FTstring, '1..4', 'but tagged sf is now revcom';
292 my ($rf2) = $revcom->get_SeqFeatures('source');
293 is $rf2->primary_tag, $ft2->primary_tag, 'primary_tag matches original feature...';
294 is $rf2->location->to_FTstring, 'complement(5..8)', 'but tagged sf is now revcom';
296 my ($rf3) = $revcom->get_SeqFeatures('CDS');
297 is $rf3->primary_tag, $ft4->primary_tag, 'primary_tag matches original feature...';
298 is $rf3->location->to_FTstring, '4..>8', 'but tagged sf is now revcom';
300 is_deeply([uniq_sort(map{$_->get_all_tags}$revcom->get_SeqFeatures)], [sort qw(note comment)], 'revcom_with_features - has expected tags');
301 is_deeply([sort map{$_->get_tagset_values('note')}$revcom->get_SeqFeatures], [sort qw(note2 note3a note3b)], 'revcom_with_features - has expected tag values');
303 isnt($revcom->is_circular, 1, 'still not circular');
304 $seq3 = Bio::Seq->new(-id => 3, -seq => 'ggttaaaa', -description => 'third', -is_circular => 1);
305 is(Bio::SeqUtils->revcom_with_features($seq3)->is_circular, 1, 'still circular');
308 # delete, insert and ligate
309 # prepare some sequence objects
310 my $seq_obj = Bio::Seq->new(
311 -seq =>'aaaaaaaaaaccccccccccggggggggggtttttttttt',
312 -display_id => 'seq1',
313 -desc => 'some sequence for testing'
315 my $subfeat1 = Bio::SeqFeature::Generic->new(
316 -primary_tag => 'sf1',
322 my $subfeat2 = Bio::SeqFeature::Generic->new(
323 -primary_tag => 'sf2',
328 my $subfeat3 = Bio::SeqFeature::Generic->new(
329 -primary_tag => 'sf3',
335 my $composite_feat1 = Bio::SeqFeature::Generic->new(
336 -primary_tag => 'comp_feat1',
341 my $coll_sf = Bio::Annotation::Collection->new;
342 $coll_sf->add_Annotation(
343 'comment', Bio::Annotation::Comment->new( '-text' => 'a comment on sf1')
345 $subfeat1->annotation($coll_sf);
347 $composite_feat1->add_SeqFeature( $subfeat1);
348 $composite_feat1->add_SeqFeature( $subfeat2);
349 $composite_feat1->add_SeqFeature( $subfeat3);
350 my $feature1 = Bio::SeqFeature::Generic->new(
351 -primary_tag => 'feat1',
356 my $feature2 = Bio::SeqFeature::Generic->new(
357 -primary_tag => 'feat2',
363 my $feature3 = Bio::SeqFeature::Generic->new(
364 -primary_tag => 'feat3',
369 my $feature4 = Bio::SeqFeature::Generic->new(
370 -primary_tag => 'feat4',
375 my $feature5 = Bio::SeqFeature::Generic->new(
376 -primary_tag => 'feat5',
382 my $feature6 = Bio::SeqFeature::Generic->new(
383 -primary_tag => 'feat6',
388 $seq_obj->add_SeqFeature( $composite_feat1, $feature1, $feature2, $feature3, $feature4, $feature5, $feature6);
390 my $coll = Bio::Annotation::Collection->new;
391 $coll->add_Annotation(
392 'comment', Bio::Annotation::Comment->new( '-text' => 'a comment on the whole sequence')
394 $seq_obj->annotation($coll);
397 my $fragment_obj = Bio::Seq->new(
399 -display_id => 'fragment1',
400 -desc => 'some fragment to insert'
402 my $frag_feature1 = Bio::SeqFeature::Generic->new(
403 -primary_tag => 'frag_feat1',
404 -seq_id => 'fragment1',
409 $fragment_obj->add_SeqFeature( $frag_feature1 );
410 my $frag_coll = Bio::Annotation::Collection->new;
411 $frag_coll->add_Annotation(
412 'comment', Bio::Annotation::Comment->new( '-text' => 'a comment on the fragment')
414 $fragment_obj->annotation($frag_coll);
420 $product = Bio::SeqUtils->delete( $seq_obj, 11, 20 );
422 "No error thrown when deleting a segment of the sequence"
425 my ($seq_obj_comment) = $seq_obj->annotation->get_Annotations('comment');
426 my ($product_comment) = $product->annotation->get_Annotations('comment');
427 is( $seq_obj_comment, $product_comment, 'annotation of whole sequence has been moved to new molecule');
430 grep ($_ eq 'deletion of 10bp',
431 map ($_->get_tag_values('note'),
432 grep ($_->primary_tag eq 'misc_feature', $product->get_SeqFeatures)
435 "the product has an additional 'misc_feature' and the note specifies the lengths of the deletion'"
438 my ($composite_feat1_del) = grep ($_->primary_tag eq 'comp_feat1', $product->get_SeqFeatures);
439 ok ($composite_feat1_del, "The composite feature is still present");
440 isa_ok( $composite_feat1_del, 'Bio::SeqFeature::Generic');
441 isa_ok( $composite_feat1_del->location, 'Bio::Location::Split', "a composite feature that spanned the deletion site has been split up, Location");
443 is( $composite_feat1_del->get_SeqFeatures, 2, 'one of the sub-eatures of the composite feature has been deleted completely');
444 my ($subfeat1_del) = grep ($_->primary_tag eq 'sf1', $composite_feat1_del->get_SeqFeatures);
445 ok ($subfeat1_del, "sub-feature 1 of the composite feature is still present");
446 is ($subfeat1->end, 12, "the original end of sf1 is 12");
447 is ($subfeat1_del->end, 10, "after deletion, the end of sf1 is 1nt before the deletion site");
448 is ($subfeat1->location->end_pos_type, 'EXACT', 'the original end location of sf1 EXACT');
450 my ($subfeat1_comment) = $subfeat1->annotation->get_Annotations('comment');
451 my ($subfeat1_del_comment) = $subfeat1_del->annotation->get_Annotations('comment');
452 is( $subfeat1_comment, $subfeat1_del_comment, 'annotation of subeature 1 has been moved to new molecule');
454 my ($feature1_del) = grep ($_->primary_tag eq 'feat1', $product->get_SeqFeatures);
455 ok ($feature1_del, "feature1 is till present");
456 isa_ok( $feature1_del->location, 'Bio::Location::Split', 'feature1 location has now been split by the deletion and location object');
457 is( my @feature1_del_sublocs = $feature1_del->location->each_Location, 2, 'feature1 has two locations after the deletion');
458 is( $feature1_del_sublocs[0]->start, 2, 'feature1 start is unaffected by the deletion');
459 is( $feature1_del_sublocs[0]->end, 10, 'feature1 end of first split is 1nt before deletion site');
460 is( $feature1_del_sublocs[1]->start, 11, 'feature1 start of second split is 1nt after deletion site');
461 is( $feature1_del_sublocs[1]->end, 15, 'feature1 end of second split has been adjusted correctly');
462 my @fd1_notes = $feature1_del->get_tag_values('note');
463 is( @fd1_notes,1, 'split feature now has a note');
464 is (shift @fd1_notes, '10bp internal deletion between pos 10 and 11', 'got the expected note about length and position of deletion');
466 my ($feature3_del) = grep ($_->primary_tag eq 'feat3', $product->get_SeqFeatures);
467 ok ($feature3_del, "feature3 is till present");
468 is_deeply ( [$feature3_del->start, $feature3_del->end], [$feature3->start - 10, $feature3->end - 10], 'a feature downstream of the deletion site is shifted entirely by 10nt to the left');
470 my ($feature4_del) = grep ($_->primary_tag eq 'feat4', $product->get_SeqFeatures);
471 ok ($feature4_del, "feature4 is till present");
472 is_deeply ( [$feature4_del->start, $feature4_del->end], [$feature4->start, $feature4->end], 'a feature upstream of the deletion site is not repositioned by the deletion');
474 my ($feature2_del) = grep ($_->primary_tag eq 'feat2', $product->get_SeqFeatures);
475 ok ($feature2_del, "feature2 is till present");
476 is ( $feature2_del->start, 11, 'start pos of a feature that started in the deletion site has been altered accordingly');
477 my @fd2_notes = $feature2_del->get_tag_values('note');
478 is( @fd2_notes,1, 'feature 2 now has a note');
479 is (shift @fd2_notes, "6bp deleted from feature 3' end", "note added to feature2 about deletion at 3' end");
481 ok (!grep ($_->primary_tag eq 'feat5', $product->get_SeqFeatures), 'a feature that was completely positioned inside the deletion site is not present on the new molecule');
483 my ($feature6_del) = grep ($_->primary_tag eq 'feat6', $product->get_SeqFeatures);
484 ok ($feature6_del, "feature6 is till present");
485 is ( $feature6_del->start, 11, 'start pos of a feature that started in the deletion site has been altered accordingly');
486 is ( $feature6_del->end, 15, 'end pos of a feature that started in the deletion site has been altered accordingly');
492 $product = Bio::SeqUtils->insert( $seq_obj, $fragment_obj, 10 );
494 "No error thrown when inserting a fragment into recipient sequence"
496 ($seq_obj_comment) = $seq_obj->annotation->get_Annotations('comment');
497 ($product_comment) = $product->annotation->get_Annotations('comment');
498 is( $seq_obj_comment, $product_comment, 'annotation of whole sequence has been moved to new molecule');
500 my ($composite_feat1_ins) = grep ($_->primary_tag eq 'comp_feat1', $product->get_SeqFeatures);
501 ok ($composite_feat1_ins, "The composite feature is still present");
502 isa_ok( $composite_feat1_ins, 'Bio::SeqFeature::Generic');
503 isa_ok( $composite_feat1_ins->location, 'Bio::Location::Split', "a composite feature that spanned the insertion site has been split up, Location");
504 is( $composite_feat1_ins->get_SeqFeatures, 3, 'all of the parts of the composite feature are still present');
506 my ($subfeat1_ins) = grep ($_->primary_tag eq 'sf1', $composite_feat1_ins->get_SeqFeatures);
507 ok ($subfeat1_ins, "sub-feature 1 of the composite feature is still present");
508 is ($subfeat1->end, 12, "the original end of sf1 is 12");
509 is ($subfeat1_ins->end, $subfeat1->end + $fragment_obj->length, "after insertion, the end of sf1 has been shifted by the length of the insertion");
510 isa_ok( $subfeat1_ins->location, 'Bio::Location::Split', 'sub-feature 1 (spans insertion site) is now split up and');
512 [$subfeat1->location->end_pos_type, $subfeat1->location->start_pos_type],
513 [$subfeat1_ins->location->end_pos_type, $subfeat1_ins->location->start_pos_type],
514 'the start and end position types of sub-feature1 have not changed'
516 ($subfeat1_comment) = $subfeat1->annotation->get_Annotations('comment');
517 my ($subfeat1_ins_comment) = $subfeat1_ins->annotation->get_Annotations('comment');
518 is( $subfeat1_comment, $subfeat1_ins_comment, 'annotation of subeature 1 has been moved to new molecule');
519 my @sf1ins_notes = $subfeat1_ins->get_tag_values('note');
520 is( @sf1ins_notes,1, 'split feature now has a note');
521 is (shift @sf1ins_notes, '10bp internal insertion between pos 10 and 21', 'got the expected note about length and position of insertion');
523 my ($feature3_ins) = grep ($_->primary_tag eq 'feat3', $product->get_SeqFeatures);
524 ok ($feature3_ins, "feature3 is till present");
526 [$feature3_ins->start, $feature3_ins->end],
527 [$feature3->start + $fragment_obj->length, $feature3->end + $fragment_obj->length],
528 'a feature downstream of the insertion site is shifted entirely to the left by the length of the insertion');
530 my ($feature4_ins) = grep ($_->primary_tag eq 'feat4', $product->get_SeqFeatures);
531 ok ($feature4_ins, "feature4 is till present");
532 is_deeply ( [$feature4_ins->start, $feature4_ins->end], [$feature4->start, $feature4->end], 'a feature upstream of the insertion site is not repositioned');
534 my ($frag_feature1_ins) = grep ($_->primary_tag eq 'frag_feat1', $product->get_SeqFeatures);
535 ok( $frag_feature1_ins, 'a feature on the inserted fragment is present on the product molecule');
537 [$frag_feature1_ins->start, $frag_feature1_ins->end],
539 'position of the feature on the insert has been adjusted to product coordinates'
541 is( $frag_feature1_ins->strand, $frag_feature1->strand, 'strand of the feature on insert has not changed');
542 like( $product->desc, qr/some fragment to insert/, 'desctription of the product contains description of the fragment');
543 like( $product->desc, qr/some sequence for testing/, 'desctription of the product contains description of the recipient');
546 grep ($_ eq 'inserted fragment',
547 map ($_->get_tag_values('note'),
548 grep ($_->primary_tag eq 'misc_feature', $product->get_SeqFeatures)
551 "the product has an additional 'misc_feature' with note='inserted fragment'"
557 $product = Bio::SeqUtils->ligate(
558 -recipient => $seq_obj,
559 -fragment => $fragment_obj,
565 "No error thrown using 'ligate' of fragment into recipient"
568 is ($product->length, 30, 'product has the expected length');
569 is ($product->subseq(11,20), 'atatatatat', 'the sequence of the fragment is inserted into the product');
571 my ($inserted_fragment_feature) = grep(
572 grep($_ eq 'inserted fragment', $_->get_tag_values('note')),
573 grep( $_->has_tag('note'), $product->get_SeqFeatures)
576 ok($inserted_fragment_feature, 'we have a feature annotating the ligated fragment');
578 [$inserted_fragment_feature->start, $inserted_fragment_feature->end],
580 'coordinates of the feature annotating the ligated feature are correct'
583 my ($fragment_feat_lig) = grep ($_->primary_tag eq 'frag_feat1', $product->get_SeqFeatures);
584 ok( $fragment_feat_lig, 'the fragment feature1 is now a feature of the product');
585 is_deeply( [$fragment_feat_lig->start, $fragment_feat_lig->end], [17,19], 'start and end of a feature on the fragment are correct after insertion with "flip" option');
587 # test clone_obj option (create new objects via clone not 'new')
588 my $foo_seq_obj = Bio::Seq::Foo->new(
589 -seq =>'aaaaaaaaaaccccccccccggggggggggtttttttttt',
590 -display_id => 'seq1',
591 -desc => 'some sequence for testing'
593 for ($composite_feat1, $feature1, $feature2, $feature3, $feature4, $feature5) {
594 $foo_seq_obj->add_SeqFeature( $_ );
596 $foo_seq_obj->annotation($coll);
600 $product = Bio::SeqUtils->delete( $foo_seq_obj, 11, 20, { clone_obj => 0} );
602 "Trying to delete from an object of a custom Bio::Seq subclass that doesn't allow calling 'new' throws an error"
607 $product = Bio::SeqUtils->delete( $foo_seq_obj, 11, 20, { clone_obj => 1} );
609 "Deleting from Bio::Seq::Foo does not throw an error when using the 'clone_obj' option to clone instead of calling 'new'"
612 isa_ok( $product, 'Bio::Seq::Foo');
614 # just repeat some of the tests for the cloned feature
616 grep ($_ eq 'deletion of 10bp',
617 map ($_->get_tag_values('note'),
618 grep ($_->primary_tag eq 'misc_feature', $product->get_SeqFeatures)
621 "the product has an additional 'misc_feature' and the note specifies the lengths of the deletion'"
623 ($composite_feat1_del) = grep ($_->primary_tag eq 'comp_feat1', $product->get_SeqFeatures);
624 ok ($composite_feat1_del, "The composite feature is still present");
625 isa_ok( $composite_feat1_del, 'Bio::SeqFeature::Generic');
626 isa_ok( $composite_feat1_del->location, 'Bio::Location::Split', "a composite feature that spanned the deletion site has been split up, Location");
628 # ligate with clone_obj
631 $product = Bio::SeqUtils->ligate(
632 -recipient => $foo_seq_obj,
633 -fragment => $fragment_obj,
639 "'ligate' without clone_obj option dies with a Bio::Seq::Foo object that can't call new"
644 $product = Bio::SeqUtils->ligate(
645 -recipient => $foo_seq_obj,
646 -fragment => $fragment_obj,
653 "'ligate' with clone_obj option works with a Bio::Seq::Foo object that can't call new"
660 @uniq{@args} = (0..$#args);
661 return sort {$uniq{$a} <=> $uniq{$b}} keys %uniq;
664 package Bio::Seq::Foo;
668 sub can_call_new { 0 }