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# Copyright [1999-2013] Wellcome Trust Sanger Institute and the EMBL-European Bioinformatics Institute
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
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use strict;
use warnings;
use Test::More;
use Test::Warnings;
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use Test::Exception;
use Bio::EnsEMBL::Test::MultiTestDB;
use Bio::EnsEMBL::Test::TestUtils;
my $db = Bio::EnsEMBL::Test::MultiTestDB->new();
my $dba = $db->get_DBAdaptor('core');
require_ok('Bio::EnsEMBL::Exon');
require_ok('Bio::EnsEMBL::Intron');
require_ok('Bio::EnsEMBL::IntronSupportingEvidence');
require_ok('Bio::EnsEMBL::Transcript');
my $feature_id = sub {
my ($f) = @_;
no warnings 'uninitialized';
return join(q{|},
$f->seq_region_name(), $f->start, $f->end(), $f->strand(),
($f->dbID()||q{?})
);
};
my @basic_ise_args = (
-HIT_NAME => 'wibble',
-SCORE_TYPE => 'DEPTH',
-SCORE => 3.000,
-ANALYSIS => $dba->get_AnalysisAdaptor()->fetch_by_dbID(1282),,
-IS_SPLICE_CANONICAL => 0
);
my $ise_adaptor = $dba->get_IntronSupportingEvidenceAdaptor();
my $transcript_adaptor = $dba->get_TranscriptAdaptor();
my $exon_adaptor = $dba->get_ExonAdaptor();
my @intron_tables = ('intron_supporting_evidence', 'transcript_intron_supporting_evidence');
my $assert_ise_vs_intron = sub {
my ($transcript_id, $start, $end, $strand) = @_;
$db->hide('core', @intron_tables);
my $t = $transcript_adaptor->fetch_by_dbID($transcript_id);
my $exons = $t->get_all_Exons();
my ($e1, $e2) = ($exons->[0], $exons->[1]);
my $intron_from_exons = Bio::EnsEMBL::Intron->new($e1, $e2);
note 'Asserting Intron tests';
warns_like
{ Bio::EnsEMBL::Intron->new($e1, $exon_adaptor->fetch_by_dbID(162033)); }
qr/Exons have different slice references/,
'Intron must warn if a different reference slice is used';
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ok($intron_from_exons->is_splice_canonical(), 'Checking Intron is canonical in its splicing');
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note 'Starting IntronSupportingEvidence tests';
my $ise = Bio::EnsEMBL::IntronSupportingEvidence->new(
-SLICE => $t->slice(),
-STRAND => $strand,
-START => $start,
-END => $end,
@basic_ise_args,
);
my $ise_from_intron = Bio::EnsEMBL::IntronSupportingEvidence->new(
-INTRON => $intron_from_exons, @basic_ise_args,
);
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ok($ise_from_intron->is_splice_canonical(), 'Checking IntronSupportingEvidence is canonical in its splicing');
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is($feature_id->($intron_from_exons), $feature_id->($ise_from_intron), 'IntronSupportingEvidence returns the equivalent Intron object');
throws_ok { $ise->score_type('RUBBISH') } qr/not allowed/, 'IntronSupportingEvidence refuses unsupported ENUMs';
throws_ok { $ise_adaptor->update($ise) } qr/Cannot/, 'Checking IntronSupportingEvidenceAdaptor refuses to update a non-persisted object';
note 'Checking our find Exon methods operate';
ok($e1 eq $ise_from_intron->find_previous_Exon($t), 'Checking find_previous_exon() finds exon 1 (5 prime) by coordinates');
ok($e2 eq $ise_from_intron->find_next_Exon($t), 'Checking find_next_exon() finds exon 2 (3 prime) by coordinates');
my $strandedness = ($strand == 1) ? '+ve' : '-ve';
is($feature_id->($ise_from_intron), $feature_id->($ise), "Checking both ISEs on the $strandedness strand are equivalent");
is($t->add_IntronSupportingEvidence($ise), 1, 'First addition of duplciate ISE works');
is($t->add_IntronSupportingEvidence($ise_from_intron), 0, 'Second addition of duplciate ISE fails to add');
is(scalar(@{$t->get_all_IntronSupportingEvidence()}), 1, 'Checking Transcript has only 1 ISE');
note('Storing and removing linkage before storing the IntronSupportingEvidence object');
throws_ok { $ise_adaptor->remove($ise) } qr/Cannot delete .+ supporting evidence/, 'Checking API refuses to remove a non-persisted object';
throws_ok { $ise_adaptor->store_transcript_linkage($ise, $t) } qr/Cannot perform the link/, 'Checking API refuses to store a non-persisted linkage';
throws_ok { $ise_adaptor->remove_transcript_linkage($ise, $t) } qr/evidence.+has not/, 'Checking API refuses to remove if the object has not been persisted';
$t->{dbID} = undef;
$t->{adaptor} = undef;
throws_ok { $ise_adaptor->remove_transcript_linkage($ise, $t) } qr/transcript.+has not/, 'Checking API refuses to remove if the object has not been persisted';
$t->{dbID} = $transcript_id;
$t->{adaptor} = $dba->get_TranscriptAdaptor();
note('Multiple calls to store for IntronSupportingEvidence and Transcript');
$ise_adaptor->store($ise_from_intron);
is($ise_adaptor->store($ise_from_intron), $ise_from_intron->dbID(), 'Same ID should be returned');
$ise_adaptor->store($ise);
$ise_adaptor->store_transcript_linkage($ise, $t);
$ise_adaptor->store_transcript_linkage($ise_from_intron, $t);
$ise_adaptor->store_transcript_linkage($ise, $t);
$ise_adaptor->store_transcript_linkage($ise, $t);
#Slice searches
note 'Performing Slice based searches';
my $assert_slice_search = sub {
my ($start, $end, $count) = @_;
my $slice = $dba->get_SliceAdaptor()->fetch_by_region('toplevel', 20, $start, $end);
my $features = $ise_adaptor->fetch_all_by_Slice($slice);
is(scalar(@{$features}), $count, sprintf(q{Checking region '%s'}, $slice->name()));
};
$assert_slice_search->($start, $end, 1);
$assert_slice_search->($start-6000, $start-3000, 0);
$assert_slice_search->($end+3000, $end+6000, 0);
$assert_slice_search->($start-3000, $end+3000, 1);
is($ise->dbID(), $ise_from_intron->dbID(), 'Checking both IntronSupportingEvidence objects are given the same dbID');
is_rows(1, $dba, 'intron_supporting_evidence', 'where seq_region_start =?', [$ise->start()]);
is_rows(1, $dba, 'transcript_intron_supporting_evidence', 'where intron_supporting_evidence_id =?', [$ise->dbID()]);
is_rows(1, $dba, 'transcript_intron_supporting_evidence', 'where previous_exon_id =? and next_exon_id =?', [$e1->dbID(), $e2->dbID()]);
$ise_adaptor->remove_transcript_linkage($ise, $t);
is_rows(0, $dba, 'transcript_intron_supporting_evidence', 'where intron_supporting_evidence_id =?', [$ise->dbID()]);
$ise_adaptor->store_transcript_linkage($ise_from_intron, $t);
is_rows(1, $dba, 'transcript_intron_supporting_evidence', 'where intron_supporting_evidence_id =?', [$ise->dbID()]);
note 'Checking our find Exon methods operate with DBIDs';
ok($e1 eq $ise_from_intron->find_previous_Exon($t), 'Checking find_previous_exon() finds exon 1 (5 prime) with DBIDs');
ok($e2 eq $ise_from_intron->find_next_Exon($t), 'Checking find_next_exon() finds exon 2 (3 prime) DBIDs');
note 'Fetching a new Transcript and getting the linked IntronSupportingEvidence';
my $new_transcript = $transcript_adaptor->fetch_by_dbID($t->dbID());
my $new_evidence = $new_transcript->get_all_IntronSupportingEvidence();
is(scalar(@{$new_evidence}), 1, 'Checking we have 1 ISE');
is($new_evidence->[0]->score()*1, $ise->score(), 'Checking scores are the same');
ok($new_evidence->[0]->equals($ise), 'Checking retrieved feature is the same');
note 'Using a Transcript with no official links to the ISE';
my $bad_transcript = $transcript_adaptor->fetch_by_dbID(21727);
ok(!defined $ise->find_next_Exon($bad_transcript), 'Checking we cannot find the flanking exon with an incorrect exon');
note 'Updating IntronSupportingEvidence';
$ise->hit_name('Woobly');
$ise_adaptor->update($ise);
is_rows(1, $dba, 'intron_supporting_evidence', 'where hit_name=?', [$ise->hit_name()]);
note('Removing IntronSupportingEvidence but still has Transcripts attached');
throws_ok { $ise_adaptor->remove($ise) } qr/transcripts attached/, 'Cannot remove ISE if we have not detached all Transcripts';
note('Removing non-existent transcript linkage');
$ise_adaptor->remove_transcript_linkage($ise, $transcript_adaptor->fetch_by_dbID(21717));
is_rows(1, $dba, 'transcript_intron_supporting_evidence', 'where intron_supporting_evidence_id =?', [$ise->dbID()]);
note('Removing all transcript linkages');
$ise_adaptor->remove_all_transcript_linkages($ise);
is_rows(0, $dba, 'transcript_intron_supporting_evidence', 'where intron_supporting_evidence_id =?', [$ise->dbID()]);
note('Removed IntronSupportingEvidence');
$ise_adaptor->remove($ise);
is_rows(0, $dba, 'intron_supporting_evidence', 'where seq_region_start =?', [$ise->start()]);
$db->restore('core', @intron_tables);
};
############# Basic tests
#Forward work
$assert_ise_vs_intron->(21716, 30274426, 30284450, 1);
#Reverse work
$assert_ise_vs_intron->(21719, 30326248, 30327734, -1);
############# Transcript centric tests (note only written on forward Transcripts; prior tests cover reverse strands)
{
note 'Starting Transcript based tests. Hiding transcript and intron tables. Saving exon state';
$db->hide('core', qw/transcript exon_transcript transcript_attrib transcript_supporting_feature meta_coord/, @intron_tables);
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$db->save('core', qw/exon dna_align_feature protein_align_feature/);
my $gene = $dba->get_GeneAdaptor()->fetch_by_dbID(18258);
my $slice = $gene->slice();
my $analysis = $gene->analysis();
my @exons = map { $exon_adaptor->fetch_by_dbID($_) } (161880, 161882, 161879);
$_->slice($slice) for @exons;
my $intron_one = Bio::EnsEMBL::Intron->new(@exons[0..1]);
my $ise_one = Bio::EnsEMBL::IntronSupportingEvidence->new(
-INTRON => $intron_one, -HIT_NAME => 'transwib', -SCORE => '1', -SCORE_TYPE => 'DEPTH', -ANALYSIS => $analysis
);
my $intron_two = Bio::EnsEMBL::Intron->new(@exons[1..2]);
my $transcript_one = Bio::EnsEMBL::Transcript->new(-EXONS => \@exons, -ANALYSIS => $analysis, -SLICE => $slice);
$transcript_one->add_IntronSupportingEvidence($ise_one);
$transcript_one->add_IntronSupportingEvidence(Bio::EnsEMBL::IntronSupportingEvidence->new(
-INTRON => $intron_two, -HIT_NAME => 'transwob', -SCORE => '2', -SCORE_TYPE => 'DEPTH', -ANALYSIS => $analysis
));
$transcript_one->add_IntronSupportingEvidence($ise_one);
is(scalar @{$transcript_one->get_all_IntronSupportingEvidence()}, 2, 'Checking additonal adds of the same data are ignored');
#Transcript two shares an Intron with Transcript one
my $transcript_two = Bio::EnsEMBL::Transcript->new(-EXONS => [@exons[0..1]], -ANALYSIS => $analysis, -SLICE => $slice);
$transcript_two->add_IntronSupportingEvidence(Bio::EnsEMBL::IntronSupportingEvidence->new(
-INTRON => $intron_one,
-HIT_NAME => 'transwib', -SCORE => '1', -SCORE_TYPE => 'DEPTH', -ANALYSIS => $analysis
));
my $assert_table_counts = sub {
my ($t_count, $et_count, $ise_count, $tise_count) = @_;
is_rows($t_count, $dba, 'transcript');
is_rows($et_count, $dba, 'exon_transcript');
is_rows($ise_count, $dba, 'intron_supporting_evidence');
is_rows($tise_count, $dba, 'transcript_intron_supporting_evidence');
};
$transcript_adaptor->store($transcript_one);
$transcript_adaptor->store($transcript_two);
note 'Stored both transcripts';
$assert_table_counts->(2,5,2,3);
#Start removing
$transcript_adaptor->remove($transcript_one);
note 'Removed transcript one';
$assert_table_counts->(1,2,1,1);
note 'Removed transcript two';
$transcript_adaptor->remove($transcript_two);
$assert_table_counts->(0,0,0,0);
$db->restore('core');
note 'All tables restored';
$assert_table_counts->(25,171,0,0);
}
############# Feature transformation (asserting what occurs when we try to project to something else)
{
my $transcript = $transcript_adaptor->fetch_by_dbID(21716);
my $intron = Bio::EnsEMBL::Intron->new(@{$transcript->get_all_Exons()}[0..1]);
my $ise = Bio::EnsEMBL::IntronSupportingEvidence->new(
-INTRON => $intron, -HIT_NAME => 'transmogrification', -SCORE => '5', -SCORE_TYPE => 'DEPTH', -ANALYSIS => $transcript->analysis()
);
$transcript->add_IntronSupportingEvidence($ise);
my $assert_trans = sub {
my ($t, $type) = @_;
note 'Attempted a '.$type.' at the Transcript level';
my @ise = @{$t->get_all_IntronSupportingEvidence()};
is(scalar(@ise), 1, 'Still only has 1 IntronSupportingEvidence');
is($ise[0]->start(), 10912, 'Checking '.$type.' start');
is($ise[0]->end(), 20936, 'Checking '.$type.' end');
is($ise[0]->strand(), 1, 'Checking '.$type.' strand');
};
$assert_trans->($transcript->transform('seqlevel'), 'transform');
$assert_trans->($transcript->transfer($dba->get_SliceAdaptor()->fetch_by_region('contig', 'AL031658.11.1.162976')), 'transfer');
}
############# Data movement tests (asserting what occurs when we migrate data from one DB to another)
{
my $new_dba = $db->get_DBAdaptor('empty');
$db->hide('core', @intron_tables);
my $empty_obj = sub {
$_[0]->dbID(undef);
$_[0]->adaptor(undef);
return;
};
my $assert_table_counts = sub {
my ($g_count, $t_count, $et_count, $e_count, $ise_count, $tise_count) = @_;
is_rows($g_count, $new_dba, 'gene');
is_rows($t_count, $new_dba, 'transcript');
is_rows($et_count, $new_dba, 'exon_transcript');
is_rows($e_count, $new_dba, 'exon');
is_rows($ise_count, $new_dba, 'intron_supporting_evidence');
is_rows($tise_count, $new_dba, 'transcript_intron_supporting_evidence');
};
$db->hide('empty', @intron_tables, qw/gene transcript exon_transcript exon/);
$assert_table_counts->(0,0,0,0,0,0);
my $gene = $dba->get_GeneAdaptor->fetch_by_dbID(18256);
my ($transcript) = grep { $_->dbID() == 21716 } @{$gene->get_all_Transcripts()};
my $intron = Bio::EnsEMBL::Intron->new(@{$transcript->get_all_Exons()}[0..1]);
my $ise = Bio::EnsEMBL::IntronSupportingEvidence->new(
-INTRON => $intron, -HIT_NAME => 'datamovement', -SCORE => '1', -SCORE_TYPE => 'DEPTH', -ANALYSIS => $transcript->analysis()
);
$transcript->add_IntronSupportingEvidence($ise);
$ise_adaptor->store($ise);
$ise_adaptor->store_transcript_linkage($ise, $transcript);
foreach my $t (@{$gene->get_all_Transcripts()}) {
foreach my $e (@{$t->get_all_Exons()}) {
$empty_obj->($e);
}
$empty_obj->($t);
$t->display_xref(undef);
}
$empty_obj->($gene);
$gene->display_xref(undef);
$new_dba->get_GeneAdaptor()->store($gene);
note 'Checking all objects have been copied across as expected';
$assert_table_counts->(1,2,10,9,1,1);
$db->restore('empty');
$db->restore('core');
}