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);
35 my $num_children = $ENV{DBICTEST_THREAD_STRESS} || 1;
36 if($num_children !~ /^[0-9]+$/ || $num_children < 5) {
40 my ($dsn, $user, $pass) = @ENV{map { "DBICTEST_PG_${_}" } qw/DSN USER PASS/};
42 my $schema = DBICTest::Schema->connect($dsn, $user, $pass, { AutoCommit => 1, RaiseError => 1, PrintError => 0 });
47 my $dbh = $schema->storage->dbh;
50 local $SIG{__WARN__} = sub {};
51 eval { $dbh->do("DROP TABLE cd") };
52 $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);");
55 $schema->resultset('CD')->create({ title => 'vacation in antarctica', artist => 123, year => 1901 });
56 $schema->resultset('CD')->create({ title => 'vacation in antarctica part 2', artist => 456, year => 1901 });
58 $parent_rs = $schema->resultset('CD')->search({ year => 1901 });
59 is ($parent_rs->count, 2);
61 ok(!$@) or diag "Creation eval failed: $@";
63 # sleep until this spot so everything starts simultaneously
64 # add "until turn of second" for prettier display
65 my $t = int( time() ) + 4;
68 while(@children < $num_children) {
70 my $newthread = async {
71 my $tid = threads->tid;
75 # FIXME if we do not stagger the threads, sparks fly due to CXSA
76 sleep ( $tid / 10 ) if "$]" < 5.012;
78 note ("Thread $tid starting work at " . time() );
80 weaken(my $weak_schema = $schema);
81 weaken(my $weak_parent_rs = $parent_rs);
83 my $child_rs = $weak_schema->resultset('CD')->search({ year => 1901 });
84 my $row = $weak_parent_rs->next;
85 if($row && $row->get_column('artist') =~ /^(?:123|456)$/) {
86 $weak_schema->resultset('CD')->create({ title => "test success $tid", artist => $tid, year => scalar(@children) });
90 sleep (0.2); # without this many tasty crashes even on latest perls
92 die "Thread creation failed: $! $@" if !defined $newthread;
93 push(@children, $newthread);
96 ok(1, "past spawning");
99 $_->join for(@children);
102 ok(1, "past joining");
105 my $child = pop(@children);
106 my $tid = $child->tid;
107 my $rs = $schema->resultset('CD')->search({ title => "test success $tid", artist => $tid, year => scalar(@children) });
108 is($rs->next->get_column('artist'), $tid, "Child $tid successful");
111 ok(1, "Made it to the end");
113 $schema->storage->dbh->do("DROP TABLE cd");
115 # Too many threading bugs on exit, none of which have anything to do with
116 # the actual stuff we test
117 $ENV{DBICTEST_DIRTY_EXIT} = 1