New test to load the Ensembl schema into a temporary database

modules/t/schema.t

+use strict;
+use warnings;
+
+use FindBin qw/$Bin/;
+use Test::More;
+use Bio::EnsEMBL::Test::MultiTestDB;
+use File::Spec::Functions qw/updir catfile catdir/;
+
+my $db = Bio::EnsEMBL::Test::MultiTestDB->new();
+my $dba = $db->get_DBAdaptor('core');
+my $dbc = $dba->dbc();
+
+# Get file location
+my $sql_dir = catdir($Bin, updir(), updir(), 'sql');
+my $sql_file = catfile($sql_dir, 'table.sql');
+
+my $result = ok(-f $sql_file, 'Checking SQL schema file exists');
+
+if(! $result) {
+  skip 'Skipping DB creation tests as schema file cannot be found at '.$sql_file, 1;
+}
+else {
+  #Create DB & load schema
+  my $new_db_name = $db->create_db_name('temp');
+  note 'Creating database '.$new_db_name;
+  $dba->dbc()->do("create database $new_db_name");
+  my %args = ( host => $dbc->host(), port => $dbc->port(), user => $dbc->username(), password => $dbc->password());
+  my $cmd_args = join(q{ }, map { "--${_}=$args{$_}" } keys %args);
+  my $cmd = "mysql $cmd_args $new_db_name < $sql_file 2>&1";
+  my $output = `$cmd`;
+  my $ec = ($? >> 8);
+  if($ec != 0) {
+    note($output);
+    fail("MySQL command failed with error code '$ec'");
+  }
+  else {
+    pass("MySQL was able to load the Ensembl core schema");
+  }
+  
+  note 'Dropping database '.$new_db_name;
+  $dba->dbc()->do("drop database $new_db_name");
+}
+done_testing();
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