1 BEGIN { do "./t/lib/ANFANG.pm" or die ( $@ || $! ) }
3 # README: If you set the env var to a number greater than 5,
4 # we will use that many children
8 unless ($Config{useithreads}) {
9 print "1..0 # SKIP your perl does not support ithreads\n";
13 if ($INC{'Devel/Cover.pm'}) {
14 print "1..0 # SKIP Devel::Cover does not work with threads yet\n";
20 use DBIx::Class::Optional::Dependencies -skip_all_without => 'test_rdbms_pg';
27 plan skip_all => 'DBIC does not actively support threads before perl 5.8.5'
30 use Scalar::Util 'weaken';
31 use Time::HiRes qw(time sleep);
36 my $num_children = $ENV{DBICTEST_THREAD_STRESS} || 1;
37 if($num_children !~ /^[0-9]+$/ || $num_children < 5) {
41 my ($dsn, $user, $pass) = @ENV{map { "DBICTEST_PG_${_}" } qw/DSN USER PASS/};
43 my $schema = DBICTest::Schema->connect($dsn, $user, $pass, { AutoCommit => 1, RaiseError => 1, PrintError => 0 });
48 my $dbh = $schema->storage->dbh;
51 local $SIG{__WARN__} = sub {};
52 eval { $dbh->do("DROP TABLE cd") };
53 $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);");
56 $schema->resultset('CD')->create({ title => 'vacation in antarctica', artist => 123, year => 1901 });
57 $schema->resultset('CD')->create({ title => 'vacation in antarctica part 2', artist => 456, year => 1901 });
59 $parent_rs = $schema->resultset('CD')->search({ year => 1901 });
60 is ($parent_rs->count, 2);
62 ok(!$@) or diag "Creation eval failed: $@";
64 # sleep until this spot so everything starts simultaneously
65 # add "until turn of second" for prettier display
66 my $t = int( time() ) + 4;
69 while(@children < $num_children) {
71 my $newthread = async {
72 my $tid = threads->tid;
74 sleep( max( 0.1, $t - time ) );
76 # FIXME if we do not stagger the threads, sparks fly due to CXSA
77 sleep ( $tid / 10 ) if "$]" < 5.012;
79 note ("Thread $tid starting work at " . time() );
81 weaken(my $weak_schema = $schema);
82 weaken(my $weak_parent_rs = $parent_rs);
84 my $child_rs = $weak_schema->resultset('CD')->search({ year => 1901 });
85 my $row = $weak_parent_rs->next;
86 if($row && $row->get_column('artist') =~ /^(?:123|456)$/) {
87 $weak_schema->resultset('CD')->create({ title => "test success $tid", artist => $tid, year => scalar(@children) });
91 sleep (0.2); # without this many tasty crashes even on latest perls
93 die "Thread creation failed: $! $@" if !defined $newthread;
94 push(@children, $newthread);
97 ok(1, "past spawning");
100 $_->join for(@children);
103 ok(1, "past joining");
106 my $child = pop(@children);
107 my $tid = $child->tid;
108 my $rs = $schema->resultset('CD')->search({ title => "test success $tid", artist => $tid, year => scalar(@children) });
109 is($rs->next->get_column('artist'), $tid, "Child $tid successful");
112 ok(1, "Made it to the end");
114 $schema->storage->dbh->do("DROP TABLE cd");
116 # Too many threading bugs on exit, none of which have anything to do with
117 # the actual stuff we test
118 $ENV{DBICTEST_DIRTY_EXIT} = 1