1 # -*-Perl-*- Test Harness script for Bioperl
10 test_begin(-tests => 364);
14 use_ok 'Bio::SeqFeature::Generic';
18 my ($feat, $str, $feat2, $pair, @sft);
20 my $DEBUG = test_debug();
22 ok $feat = Bio::SeqFeature::Generic->new(
27 is $feat->primary_tag, '';
28 is $feat->source_tag, '';
29 is $feat->display_name, '';
31 ok $feat = Bio::SeqFeature::Generic->new(
36 -source => 'internal',
37 -display_name => 'my exon feature',
44 is $feat->start, 40, 'Start of feature location';
45 is $feat->end, 80, 'End of feature location';
46 is $feat->primary_tag, 'exon', 'Primary tag';
47 is $feat->source_tag, 'internal', 'Source tag';
48 is $feat->display_name, 'my exon feature', 'Display name';
49 is $feat->phase, undef, 'Undef phase by default';
50 is $feat->phase(1), 1, 'Phase accessor returns';
51 is $feat->phase, 1, 'Phase is persistent';
53 ok $feat->gff_string();
55 ok $feat2 = Bio::SeqFeature::Generic->new(
60 -source => 'program_a',
67 is $feat2->phase, 1, 'Set phase from constructor';
70 # Test attaching a SeqFeature::Generic to a Bio::Seq or SeqFeature::Generic
72 # Make the parent sequence object
73 my $seq = Bio::Seq->new(
74 -seq => 'aaaaggggtttt',
75 -display_id => 'test',
80 ok my $sf1 = Bio::SeqFeature::Generic->new(
86 # Add the SeqFeature to the parent
87 ok $seq->add_SeqFeature($sf1);
89 # Test that it gives the correct sequence
90 is $sf1->start, 4, 'Start of first seqfeature';
91 is $sf1->end, 9, 'End of first seqfeature';
92 is $sf1->strand, 1, 'Strand of first seqfeature';
93 ok my $sf_seq1 = $sf1->seq;
94 is $sf_seq1->seq, 'aggggt', 'Sequence of first seqfeature';
96 # Make a second seqfeature on the opposite strand
97 ok my $sf2 = Bio::SeqFeature::Generic->new(
103 # Now add the PrimarySeq to the seqfeature before adding it to the parent
104 ok $sf2->attach_seq($seq->primary_seq);
105 ok $seq->add_SeqFeature($sf2);
107 # Test again that we have the correct sequence
108 is $sf2->start, 4, 'Start of second seqfeature';
109 is $sf2->end, 9, 'End of second seqfeature';
110 is $sf2->strand, -1, 'Strand of second seqfeature';
111 ok my $sf_seq2 = $sf2->seq;
112 is $sf_seq2->seq, 'acccct', 'Sequence of second seqfeature';
116 # Some tests for bug #947
118 ok my $sfeat = Bio::SeqFeature::Generic->new(-primary => 'test');
120 ok $sfeat->add_sub_SeqFeature(
121 Bio::SeqFeature::Generic->new(
129 ok $sfeat->add_sub_SeqFeature(
130 Bio::SeqFeature::Generic->new(
138 is $sfeat->start, 2, 'sfeat start for EXPAND-ED feature (bug #947)';
139 is $sfeat->end, 8, 'sfeat end for EXPAND-ED feature (bug #947)';
141 # Some tests to see if we can set a feature to start at 0
142 ok $sfeat = Bio::SeqFeature::Generic->new(-start => 0, -end => 0 );
144 ok defined $sfeat->start;
145 is $sfeat->start, 0, 'Can create feature starting and ending at 0';
146 ok defined $sfeat->end;
147 is $sfeat->end, 0, 'Can create feature starting and ending at 0';
150 # Test for bug when Locations are not created explicitly
152 ok my $feat1 = Bio::SeqFeature::Generic->new(
158 ok $feat2 = Bio::SeqFeature::Generic->new(
164 ok my $overlap = $feat1->location->union($feat2->location);
165 is $overlap->start, 1;
166 is $overlap->end, 25;
168 ok my $intersect = $feat1->location->intersection($feat2->location);
169 is $intersect->start, 10;
170 is $intersect->end, 15;
173 # Now let's test spliced_seq
174 ok my $seqio = Bio::SeqIO->new(
175 -file => test_input_file('AY095303S1.gbk'),
178 isa_ok $seqio, 'Bio::SeqIO';
179 ok my $geneseq = $seqio->next_seq;
180 isa_ok $geneseq, 'Bio::Seq';
181 ok my ($CDS) = grep { $_->primary_tag eq 'CDS' } $geneseq->get_SeqFeatures;
185 test_skip(-tests => 5,
186 -requires_modules => [qw(IO::String
188 HTTP::Request::Common)],
189 -requires_networking => 1);
191 use_ok 'Bio::DB::GenBank';
193 $db = Bio::DB::GenBank->new(-verbose=> $DEBUG);
195 my $cdsseq = $CDS->spliced_seq(-db => $db,-nosort => 1);
197 is $cdsseq->subseq(1,76),
198 'ATGCAGCCATACGCTTCCGTGAGCGGGCGATGTCTATCTAGACCAGATGCATTGCATGTGATACCGTTTGGGCGAC';
199 is $cdsseq->translate->subseq(1,100),
200 'MQPYASVSGRCLSRPDALHVIPFGRPLQAIAGRRFVRCFAKGGQPGDKKKLNVTDKLRLGNTPPTLDVLK'.
201 'APRPTDAPSAIDDAPSTSGLGLGGGVASPR';
202 # Test what happens without
203 $cdsseq = $CDS->spliced_seq(-db => $db,-nosort => 1);
204 is $cdsseq->subseq(1,76),
205 'ATGCAGCCATACGCTTCCGTGAGCGGGCGATGTCTATCTAGACCAGATGCATTGCATGTGATACCGTTTGGGCGAC';
206 is $cdsseq->translate->subseq(1,100),
207 'MQPYASVSGRCLSRPDALHVIPFGRPLQAIAGRRFVRCFAKGGQPGDKKKLNVTDKLRLGNTPPTLDVLK'.
208 'APRPTDAPSAIDDAPSTSGLGLGGGVASPR';
211 ok $seqio = Bio::SeqIO->new(
212 -file => test_input_file('AF032047.gbk'),
215 isa_ok $seqio, 'Bio::SeqIO';
216 ok $geneseq = $seqio->next_seq;
217 isa_ok $geneseq, 'Bio::Seq';
218 ok( ($CDS) = grep { $_->primary_tag eq 'CDS' } $geneseq->get_SeqFeatures );
220 test_skip(-tests => 2,
221 -requires_modules => [qw(IO::String
223 HTTP::Request::Common)],
224 -requires_networking => 1);
226 my $cdsseq = $CDS->spliced_seq( -db => $db, -nosort => 1);
227 is $cdsseq->subseq(1,70),
228 'ATGGCTCGCTTCGTGGTGGTAGCCCTGCTCGCGCTACTCTCTCTGTCTGGCCTGGAGGCTATCCAGCATG';
229 is $cdsseq->translate->seq,
230 'MARFVVVALLALLSLSGLEAIQHAPKIQVYSRHPAENGKPNFLNCYVSGFHPSDIEVDLLKNGKKIEKVE'.
231 'HSDLSFSKDWSFYLLYYTEFTPNEKDEYACRVSHVTFPTPKTVKWDRTM*';
237 ok $seqio = Bio::SeqIO->new(
238 -format => 'genbank',
239 -file => test_input_file('NC_001284.gbk')
241 isa_ok $seqio, 'Bio::SeqIO';
242 ok my $genome = $seqio->next_seq;
244 for my $cds (grep { $_->primary_tag eq 'CDS' } $genome->get_SeqFeatures) {
245 ok my $spliced = $cds->spliced_seq(-nosort => 1)->translate->seq;
246 chop $spliced; # remove stop codon
247 is $spliced, ($cds->get_tag_values('translation'))[0], 'spliced_seq translation matches expected';
251 ok my $seq = Bio::SeqIO->new(
253 -file => test_input_file('sbay_c127.fas')
256 ok my $sf = Bio::SeqFeature::Generic->new(
261 -primary => 'splicedgene'
264 ok $sf->attach_seq($seq);
267 'TTCAATGACT' => 'FNDFYSMGKS',
268 'TCAATGACTT' => 'SMTSIPWVNQ',
269 'GTTCAATGAC' => 'VQ*LLFHG*I',
272 for my $phase (-1..3) {
273 ok my $sfseq = $sf->spliced_seq(-phase => $phase);
274 ok exists $phase_check{$sfseq->subseq(1,10)};
275 is $sfseq->translate->subseq(1,10), $phase_check{$sfseq->subseq(1,10)}, 'phase check';
279 ok $sf->add_tag_value('note','n1');
280 ok $sf->add_tag_value('note','n2');
281 ok $sf->add_tag_value('comment','c1');
282 is_deeply [sort $sf->get_all_tags()], [sort qw(note comment)] , 'Tags found';
283 is_deeply [sort $sf->get_tagset_values('note')], [sort qw(n1 n2)] , 'get_tagset_values tag values found';
284 is_deeply [sort $sf->get_tagset_values(qw(note comment))], [sort qw(c1 n1 n2)] , 'get_tagset_values tag values for multiple tags found';
286 is_deeply [sort $sf->get_tag_values('note')], [sort qw(n1 n2)] , 'get_tag_values tag values found';
287 } 'get_tag_values lives with tag';
289 is_deeply [$sf->get_tagset_values('notag') ], [], 'get_tagset_values no tag values found';
290 } 'get_tagset_values lives with no tag';
291 throws_ok { $sf->get_tag_values('notag') } qr/tag value that does not exist/, 'get_tag_values throws with no tag';
293 # Circular sequence SeqFeature tests
294 $seq = Bio::SeqIO->new(
295 -format => 'genbank',
296 -file => test_input_file('PX1CG.gb')
299 ok $seq->is_circular, 'Phi-X174 genome is circular';
301 # Retrieving the spliced sequence from any split location requires spliced_seq()
305 'A' => [3981, 136, 1, 1542, 'join(3981..5386,1..136)', 'ATGGTTCGTT'],
306 'A*' => [4497, 136, 1, 1026, 'join(4497..5386,1..136)', 'ATGAAATCGC'],
307 'B' => [5075, 51, 1, 363, 'join(5075..5386,1..51)', 'ATGGAACAAC'],
310 ok my @split_sfs = grep {
311 $_->location->isa('Bio::Location::SplitLocationI')
312 } $seq->get_SeqFeatures();
314 is @split_sfs, 3, 'Only 3 split locations';
316 for my $sf (@split_sfs) {
317 isa_ok $sf->location, 'Bio::Location::SplitLocationI';
318 ok my ($tag) = $sf->get_tag_values('product');
319 my ($start, $end, $strand, $length, $ftstring, $first_ten) = @{$sf_data{$tag}};
321 is $sf->location->to_FTstring, $ftstring, 'Feature string';
322 is $sf->spliced_seq->subseq(1,10), $first_ten, 'First ten nucleotides';
323 is $sf->strand, $strand, 'Strand';
324 is $sf->start, $start, 'Start';
325 is $sf->end, $end, 'End';
326 is $sf->length, $length, 'Expected length';
329 # spliced_seq() on the reverse strand, bug #88 (github)
330 $seq = Bio::SeqIO->new( -file => test_input_file('AF222649-rc.gbk') )->next_seq;
331 # All should start with "ATG"
332 for my $feat ( $seq->get_SeqFeatures('CDS') ) {
333 ok $feat->spliced_seq->seq =~ /^ATG/, "Reverse strand is spliced correctly";