1 BEGIN { do "./t/lib/ANFANG.pm" or die ( $@ || $! ) }
5 unless ($Config{useithreads}) {
6 print "1..0 # SKIP your perl does not support ithreads\n";
10 if ($INC{'Devel/Cover.pm'}) {
11 print "1..0 # SKIP Devel::Cover does not work with threads yet\n";
17 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'
31 # README: If you set the env var to a number greater than 10,
32 # we will use that many children
33 my $num_children = $ENV{DBICTEST_THREAD_STRESS} || 1;
34 if($num_children !~ /^[0-9]+$/ || $num_children < 10) {
38 my ($dsn, $user, $pass) = @ENV{map { "DBICTEST_PG_${_}" } qw/DSN USER PASS/};
40 my $schema = DBICTest::Schema->connect($dsn, $user, $pass, { AutoCommit => 1, RaiseError => 1, PrintError => 0 });
45 my $dbh = $schema->storage->dbh;
48 local $SIG{__WARN__} = sub {};
49 eval { $dbh->do("DROP TABLE cd") };
50 $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);");
53 $schema->resultset('CD')->create({ title => 'vacation in antarctica', artist => 123, year => 1901 });
54 $schema->resultset('CD')->create({ title => 'vacation in antarctica part 2', artist => 456, year => 1901 });
56 $parent_rs = $schema->resultset('CD')->search({ year => 1901 });
57 is ($parent_rs->count, 2);
58 }, 'populate successfull');
62 ok ($schema->storage->connected(), 'Parent is connected');
63 is ($parent_rs->next->id, 1, 'Cursor advanced');
64 my $ct_num = Test::More->builder->current_test;
66 my $newthread = async {
69 #simulate a subtest to not confuse the parent TAP emission
70 my $tb = Test::More->builder;
72 for (qw/output failure_output todo_output/) {
74 open ($tb->$_, '>', \$out);
77 ok(!$schema->storage->connected, "storage->connected() false in child");
79 throws_ok { $parent_rs->next } qr/\QMulti-thread access attempted while cursor in progress (position 1)/;
83 is($parent_rs->next->id, 1, 'Resetting cursor reprepares it within child environment');
87 close $tb->$_ for (qw/output failure_output todo_output/);
88 sleep(1); # tasty crashes without this
92 die "Thread creation failed: $! $@" if !defined $newthread;
94 my $out = $newthread->join;
98 # workaround for older Test::More confusing the plan under threads
99 Test::More->builder->current_test($ct_num);
101 is ($parent_rs->next->id, 2, 'Cursor still intact in parent');
102 is ($parent_rs->next, undef, 'Cursor exhausted');
107 while(@children < $num_children) {
109 my $newthread = async {
110 my $tid = threads->tid;
112 my $child_rs = $schema->resultset('CD')->search({ year => 1901 });
113 my $row = $parent_rs->next;
114 if($row && $row->get_column('artist') =~ /^(?:123|456)$/) {
115 $schema->resultset('CD')->create({ title => "test success $tid", artist => $tid, year => scalar(@children) });
117 sleep(1); # tasty crashes without this
119 die "Thread creation failed: $! $@" if !defined $newthread;
120 push(@children, $newthread);
123 ok(1, "past spawning");
126 $_->join for(@children);
129 ok(1, "past joining");
132 my $child = pop(@children);
133 my $tid = $child->tid;
134 my $rs = $schema->resultset('CD')->search({ title => "test success $tid", artist => $tid, year => scalar(@children) });
135 is($rs->next->get_column('artist'), $tid, "Child $tid successful");
138 ok(1, "Made it to the end");
141 $schema->storage->dbh->do("DROP TABLE cd");