1use strict; 2use warnings; 3use Test::More; 4use Config; 5 6# README: If you set the env var to a number greater than 10, 7# we will use that many children 8 9BEGIN { 10 plan skip_all => 'Your perl does not support ithreads' 11 if !$Config{useithreads}; 12} 13 14use threads; 15 16my ($dsn, $user, $pass) = @ENV{map { "DBICTEST_PG_${_}" } qw/DSN USER PASS/}; 17my $num_children = $ENV{DBICTEST_THREAD_STRESS}; 18 19plan skip_all => 'Set $ENV{DBICTEST_THREAD_STRESS} to run this test' 20 unless $num_children; 21 22plan skip_all => 'Set $ENV{DBICTEST_PG_DSN}, _USER and _PASS to run this test' 23 . ' (note: creates and drops a table named artist!)' unless ($dsn && $user); 24 25diag 'It is normal to see a series of "Scalars leaked: ..." messages during this test'; 26 27if($num_children !~ /^[0-9]+$/ || $num_children < 10) { 28 $num_children = 10; 29} 30 31plan tests => $num_children + 5; 32 33use lib qw(t/lib); 34 35use_ok('DBICTest::Schema'); 36 37my $schema = DBICTest::Schema->connection($dsn, $user, $pass, { AutoCommit => 1, RaiseError => 1, PrintError => 0 }); 38 39my $parent_rs; 40 41eval { 42 my $dbh = $schema->storage->dbh; 43 44 { 45 local $SIG{__WARN__} = sub {}; 46 eval { $dbh->do("DROP TABLE cd") }; 47 $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);"); 48 } 49 50 $schema->resultset('CD')->create({ title => 'vacation in antarctica', artist => 123, year => 1901 }); 51 $schema->resultset('CD')->create({ title => 'vacation in antarctica part 2', artist => 456, year => 1901 }); 52 53 $parent_rs = $schema->resultset('CD')->search({ year => 1901 }); 54 $parent_rs->next; 55}; 56ok(!$@) or diag "Creation eval failed: $@"; 57 58my @children; 59while(@children < $num_children) { 60 61 my $newthread = async { 62 my $tid = threads->tid; 63 # my $dbh = $schema->storage->dbh; 64 65 $schema->txn_do(sub { 66 my $child_rs = $schema->resultset('CD')->search({ year => 1901 }); 67 my $row = $parent_rs->next; 68 if($row && $row->get_column('artist') =~ /^(?:123|456)$/) { 69 $schema->resultset('CD')->create({ title => "test success $tid", artist => $tid, year => scalar(@children) }); 70 } 71 }); 72 sleep(3); 73 }; 74 die "Thread creation failed: $! $@" if !defined $newthread; 75 push(@children, $newthread); 76} 77 78ok(1, "past spawning"); 79 80{ 81 $_->join for(@children); 82} 83 84ok(1, "past joining"); 85 86while(@children) { 87 my $child = pop(@children); 88 my $tid = $child->tid; 89 my $rs = $schema->resultset('CD')->search({ title => "test success $tid", artist => $tid, year => scalar(@children) }); 90 is($rs->next->get_column('artist'), $tid, "Child $tid successful"); 91} 92 93ok(1, "Made it to the end"); 94 95$schema->storage->dbh->do("DROP TABLE cd"); 96