3 unless ($Config{useithreads}) {
4 print "1..0 # SKIP your perl does not support ithreads\n";
8 if ($INC{'Devel/Cover.pm'}) {
9 print "1..0 # SKIP Devel::Cover does not work with threads yet\n";
15 use DBIx::Class::Optional::Dependencies -skip_all_without => 'test_rdbms_pg';
23 plan skip_all => 'DBIC does not actively support threads before perl 5.8.5'
29 # README: If you set the env var to a number greater than 10,
30 # we will use that many children
31 my $num_children = $ENV{DBICTEST_THREAD_STRESS} || 1;
32 if($num_children !~ /^[0-9]+$/ || $num_children < 10) {
36 my ($dsn, $user, $pass) = @ENV{map { "DBICTEST_PG_${_}" } qw/DSN USER PASS/};
38 my $schema = DBICTest::Schema->connect($dsn, $user, $pass, { AutoCommit => 1, RaiseError => 1, PrintError => 0 });
43 my $dbh = $schema->storage->dbh;
46 local $SIG{__WARN__} = sub {};
47 eval { $dbh->do("DROP TABLE cd") };
48 $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);");
51 $schema->resultset('CD')->create({ title => 'vacation in antarctica', artist => 123, year => 1901 });
52 $schema->resultset('CD')->create({ title => 'vacation in antarctica part 2', artist => 456, year => 1901 });
54 $parent_rs = $schema->resultset('CD')->search({ year => 1901 });
55 is ($parent_rs->count, 2);
56 }, 'populate successfull');
60 ok ($schema->storage->connected(), 'Parent is connected');
61 is ($parent_rs->next->id, 1, 'Cursor advanced');
62 my $ct_num = Test::More->builder->current_test;
64 my $newthread = async {
67 #simulate a subtest to not confuse the parent TAP emission
68 my $tb = Test::More->builder;
70 for (qw/output failure_output todo_output/) {
72 open ($tb->$_, '>', \$out);
75 ok(!$schema->storage->connected, "storage->connected() false in child");
77 throws_ok { $parent_rs->next } qr/\QMulti-thread access attempted while cursor in progress (position 1)/;
81 is($parent_rs->next->id, 1, 'Resetting cursor reprepares it within child environment');
85 close $tb->$_ for (qw/output failure_output todo_output/);
86 sleep(1); # tasty crashes without this
90 die "Thread creation failed: $! $@" if !defined $newthread;
92 my $out = $newthread->join;
96 # workaround for older Test::More confusing the plan under threads
97 Test::More->builder->current_test($ct_num);
99 is ($parent_rs->next->id, 2, 'Cursor still intact in parent');
100 is ($parent_rs->next, undef, 'Cursor exhausted');
105 while(@children < $num_children) {
107 my $newthread = async {
108 my $tid = threads->tid;
110 my $child_rs = $schema->resultset('CD')->search({ year => 1901 });
111 my $row = $parent_rs->next;
112 if($row && $row->get_column('artist') =~ /^(?:123|456)$/) {
113 $schema->resultset('CD')->create({ title => "test success $tid", artist => $tid, year => scalar(@children) });
115 sleep(1); # tasty crashes without this
117 die "Thread creation failed: $! $@" if !defined $newthread;
118 push(@children, $newthread);
121 ok(1, "past spawning");
124 $_->join for(@children);
127 ok(1, "past joining");
130 my $child = pop(@children);
131 my $tid = $child->tid;
132 my $rs = $schema->resultset('CD')->search({ title => "test success $tid", artist => $tid, year => scalar(@children) });
133 is($rs->next->get_column('artist'), $tid, "Child $tid successful");
136 ok(1, "Made it to the end");
139 $schema->storage->dbh->do("DROP TABLE cd");