'undef =>' isn't what one would want
[dbsrgits/DBIx-Class-Historic.git] / t / 51threadtxn.t
CommitLineData
39fa10f5 1# README: If you set the env var to a number greater than 10,
2# we will use that many children
3
9798dffd 4use Config;
39fa10f5 5BEGIN {
9798dffd 6 unless ($Config{useithreads}) {
7 print "1..0 # SKIP your perl does not support ithreads\n";
8 exit 0;
9 }
f15baf68 10
11 if ($INC{'Devel/Cover.pm'}) {
12 print "1..0 # SKIP Devel::Cover does not work with threads yet\n";
13 exit 0;
14 }
39fa10f5 15}
9798dffd 16use threads;
39fa10f5 17
cb551b07 18use DBIx::Class::Optional::Dependencies -skip_all_without => 'test_rdbms_pg';
19
9798dffd 20use strict;
21use warnings;
c76e5262 22
9798dffd 23use Test::More;
24
a4367b26 25plan skip_all => 'DBIC does not actively support threads before perl 5.8.5'
9798dffd 26 if $] < '5.008005';
c76e5262 27
6892eb09 28use Scalar::Util 'weaken';
8ec03a3a 29use lib qw(t/lib);
8d6b1478 30use DBICTest;
39fa10f5 31
be21f2eb 32my $num_children = $ENV{DBICTEST_THREAD_STRESS} || 1;
39fa10f5 33if($num_children !~ /^[0-9]+$/ || $num_children < 10) {
34 $num_children = 10;
35}
36
cb551b07 37my ($dsn, $user, $pass) = @ENV{map { "DBICTEST_PG_${_}" } qw/DSN USER PASS/};
39fa10f5 38
6892eb09 39my $schema = DBICTest::Schema->connect($dsn, $user, $pass, { AutoCommit => 1, RaiseError => 1, PrintError => 0 });
39fa10f5 40
41my $parent_rs;
42
43eval {
44 my $dbh = $schema->storage->dbh;
45
46 {
47 local $SIG{__WARN__} = sub {};
48 eval { $dbh->do("DROP TABLE cd") };
a1cb5921 49 $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);");
39fa10f5 50 }
51
52 $schema->resultset('CD')->create({ title => 'vacation in antarctica', artist => 123, year => 1901 });
53 $schema->resultset('CD')->create({ title => 'vacation in antarctica part 2', artist => 456, year => 1901 });
54
55 $parent_rs = $schema->resultset('CD')->search({ year => 1901 });
a2f22854 56 is ($parent_rs->count, 2);
39fa10f5 57};
58ok(!$@) or diag "Creation eval failed: $@";
59
60my @children;
61while(@children < $num_children) {
62
63 my $newthread = async {
64 my $tid = threads->tid;
6892eb09 65 weaken(my $weak_schema = $schema);
66 weaken(my $weak_parent_rs = $parent_rs);
39fa10f5 67 $schema->txn_do(sub {
6892eb09 68 my $child_rs = $weak_schema->resultset('CD')->search({ year => 1901 });
69 my $row = $weak_parent_rs->next;
39fa10f5 70 if($row && $row->get_column('artist') =~ /^(?:123|456)$/) {
6892eb09 71 $weak_schema->resultset('CD')->create({ title => "test success $tid", artist => $tid, year => scalar(@children) });
39fa10f5 72 }
73 });
9798dffd 74 sleep(1); # tasty crashes without this
39fa10f5 75 };
76 die "Thread creation failed: $! $@" if !defined $newthread;
77 push(@children, $newthread);
78}
79
80ok(1, "past spawning");
81
82{
83 $_->join for(@children);
84}
85
86ok(1, "past joining");
87
88while(@children) {
89 my $child = pop(@children);
90 my $tid = $child->tid;
91 my $rs = $schema->resultset('CD')->search({ title => "test success $tid", artist => $tid, year => scalar(@children) });
92 is($rs->next->get_column('artist'), $tid, "Child $tid successful");
93}
94
95ok(1, "Made it to the end");
96
97$schema->storage->dbh->do("DROP TABLE cd");
8ec03a3a 98
99done_testing;