6
test_begin( -tests => 42 );
7
use_ok('Bio::DB::Taxonomy');
8
use_ok('Bio::Tree::Tree');
12
my ($db, $id, @ids, $node, $node2, $ancestor, @children, %common_names, $tree, @descs);
15
# Test Bio::DB::Taxonomy::silva
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ok $db = Bio::DB::Taxonomy->new( -source => 'silva' );
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isa_ok $db, 'Bio::DB::Taxonomy::silva';
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isa_ok $db, 'Bio::DB::Taxonomy::list';
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isa_ok $db, 'Bio::DB::Taxonomy';
23
ok $db = Bio::DB::Taxonomy->new(
25
-taxofile => test_input_file('taxonomy', 'silva_SSURef_108_tax_silva_trunc.fasta'),
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@ids = $db->get_taxonid('Homo sapiens');
31
@ids = $db->get_taxonid('Rattus norvegicus');
35
ok $node = $db->get_taxon($id);
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is $node->object_id, $node->id;
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is $node->ncbi_taxid, undef;
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is $node->rank, undef;
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is $node->parent_id, 'sv72';
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is $node->node_name, 'Rattus norvegicus';
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is $node->scientific_name, $node->node_name;
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is ${$node->name('scientific')}[0], $node->node_name;
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# it has a common name in Silva, but Bio::DB::Taxonomy::silva does not record it
47
%common_names = map { $_ => 1 } $node->common_names;
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is scalar keys %common_names, 0;
50
is $node->division, undef;
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is $node->genetic_code, undef;
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is $node->mitochondrial_genetic_code, undef;
54
# briefly test some Bio::Tree::NodeI methods
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ok $ancestor = $node->ancestor;
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is $ancestor->scientific_name, '';
57
ok $ancestor = $ancestor->ancestor;
58
is $ancestor->scientific_name, 'Rattus';
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ok $ancestor = $ancestor->ancestor;
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is $ancestor->scientific_name, 'Murinae';
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# unless set explicitly, Bio::Taxon doesn't return anything for
63
# each_Descendent; must ask the database directly
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@ids = $db->get_taxonid('Metazoa');
67
ok $node = $db->get_taxon($id);
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ok @children = $node->db_handle->each_Descendent($node);
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is scalar @children, 3; # Chordata, Platyhelminthes, Metazoa
71
# do some trickier things...
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ok $node2 = $db->get_taxon('sv112');
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is $node2->scientific_name, 'Mucoromycotina';
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# briefly check that we can use some Tree methods
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$tree = Bio::Tree::Tree->new();
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is $tree->get_lca($node, $node2)->scientific_name, 'Eukaryota';
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# can we actually form a Tree and use other Tree methods?
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ok $tree = Bio::Tree::Tree->new(-node => $node2);
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is $tree->number_nodes, 5;
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is $tree->get_nodes, 5;
84
# check that getting the ancestor still works now we have explitly set the
85
# ancestor by making a Tree
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is $node2->ancestor->scientific_name, 'Basal fungal lineages';
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# we can recursively fetch all descendents of a taxon
89
my $lca = $db->get_taxon( -name => 'Liliopsida' );
90
ok @descs = $db->each_Descendent($lca);
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@descs = $db->get_all_Descendents($lca);