do not use "me" on the related_resultset pessimization
[dbsrgits/DBIx-Class-Historic.git] / t / 51threads.t
CommitLineData
1346e22d 1use strict;
2use warnings;
ca507a2f 3
1346e22d 4use Test::More;
ca507a2f 5
1346e22d 6use Config;
1346e22d 7BEGIN {
8 plan skip_all => 'Your perl does not support ithreads'
55087b99 9 if !$Config{useithreads};
1346e22d 10}
11
c76e5262 12BEGIN {
13 plan skip_all => 'Minimum of perl 5.8.3 required for thread tests (DBD::Pg mandated)'
14 if $] < '5.008003';
15}
16
1346e22d 17use threads;
8ec03a3a 18use Test::Exception;
19use lib qw(t/lib);
1346e22d 20
21my ($dsn, $user, $pass) = @ENV{map { "DBICTEST_PG_${_}" } qw/DSN USER PASS/};
8ec03a3a 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
25# README: If you set the env var to a number greater than 10,
26# we will use that many children
1346e22d 27my $num_children = $ENV{DBICTEST_THREAD_STRESS};
28
29plan skip_all => 'Set $ENV{DBICTEST_THREAD_STRESS} to run this test'
30 unless $num_children;
31
1346e22d 32if($num_children !~ /^[0-9]+$/ || $num_children < 10) {
33 $num_children = 10;
34}
35
1346e22d 36use_ok('DBICTest::Schema');
ec6415a9 37
38diag "\n\nIt is ok if you see series of 'Attempt to free unreferenced scalar: ...' warnings during this test\n "
39 if $] < '5.008005';
40
1346e22d 41my $schema = DBICTest::Schema->connection($dsn, $user, $pass, { AutoCommit => 1, RaiseError => 1, PrintError => 0 });
42
43my $parent_rs;
44
ca507a2f 45lives_ok (sub {
1346e22d 46 my $dbh = $schema->storage->dbh;
47
48 {
49 local $SIG{__WARN__} = sub {};
50 eval { $dbh->do("DROP TABLE cd") };
a1cb5921 51 $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);");
1346e22d 52 }
53
54 $schema->resultset('CD')->create({ title => 'vacation in antarctica', artist => 123, year => 1901 });
55 $schema->resultset('CD')->create({ title => 'vacation in antarctica part 2', artist => 456, year => 1901 });
56
57 $parent_rs = $schema->resultset('CD')->search({ year => 1901 });
58 $parent_rs->next;
ca507a2f 59}, 'populate successfull');
1346e22d 60
61my @children;
62while(@children < $num_children) {
63
64 my $newthread = async {
65 my $tid = threads->tid;
1346e22d 66
67 my $child_rs = $schema->resultset('CD')->search({ year => 1901 });
68 my $row = $parent_rs->next;
69 if($row && $row->get_column('artist') =~ /^(?:123|456)$/) {
70 $schema->resultset('CD')->create({ title => "test success $tid", artist => $tid, year => scalar(@children) });
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");
8ec03a3a 96
97done_testing;