1 # README: If you set the env var to a number greater than 10,
2 # we will use that many children
6 unless ($Config{useithreads}) {
7 print "1..0 # SKIP your perl does not support ithreads\n";
11 if ($INC{'Devel/Cover.pm'}) {
12 print "1..0 # SKIP Devel::Cover does not work with threads yet\n";
18 use DBIx::Class::Optional::Dependencies -skip_all_without => 'test_rdbms_pg';
25 plan skip_all => 'DBIC does not actively support threads before perl 5.8.5'
28 use Scalar::Util 'weaken';
32 my $num_children = $ENV{DBICTEST_THREAD_STRESS} || 1;
33 if($num_children !~ /^[0-9]+$/ || $num_children < 10) {
37 my ($dsn, $user, $pass) = @ENV{map { "DBICTEST_PG_${_}" } qw/DSN USER PASS/};
39 my $schema = DBICTest::Schema->connect($dsn, $user, $pass, { AutoCommit => 1, RaiseError => 1, PrintError => 0 });
44 my $dbh = $schema->storage->dbh;
47 local $SIG{__WARN__} = sub {};
48 eval { $dbh->do("DROP TABLE cd") };
49 $dbh->do("CREATE TABLE cd (cdid serial PRIMARY KEY, artist INTEGER NOT NULL UNIQUE, title VARCHAR(100) NOT NULL UNIQUE, year VARCHAR(100) NOT NULL, genreid INTEGER, single_track INTEGER);");
52 $schema->resultset('CD')->create({ title => 'vacation in antarctica', artist => 123, year => 1901 });
53 $schema->resultset('CD')->create({ title => 'vacation in antarctica part 2', artist => 456, year => 1901 });
55 $parent_rs = $schema->resultset('CD')->search({ year => 1901 });
56 is ($parent_rs->count, 2);
58 ok(!$@) or diag "Creation eval failed: $@";
61 while(@children < $num_children) {
63 my $newthread = async {
64 my $tid = threads->tid;
65 weaken(my $weak_schema = $schema);
66 weaken(my $weak_parent_rs = $parent_rs);
68 my $child_rs = $weak_schema->resultset('CD')->search({ year => 1901 });
69 my $row = $weak_parent_rs->next;
70 if($row && $row->get_column('artist') =~ /^(?:123|456)$/) {
71 $weak_schema->resultset('CD')->create({ title => "test success $tid", artist => $tid, year => scalar(@children) });
74 sleep(1); # tasty crashes without this
76 die "Thread creation failed: $! $@" if !defined $newthread;
77 push(@children, $newthread);
80 ok(1, "past spawning");
83 $_->join for(@children);
86 ok(1, "past joining");
89 my $child = pop(@children);
90 my $tid = $child->tid;
91 my $rs = $schema->resultset('CD')->search({ title => "test success $tid", artist => $tid, year => scalar(@children) });
92 is($rs->next->get_column('artist'), $tid, "Child $tid successful");
95 ok(1, "Made it to the end");
97 $schema->storage->dbh->do("DROP TABLE cd");