switched to just registering extra source rather than removing and reregistering
[dbsrgits/DBIx-Class.git] / t / 51threads.t
CommitLineData
1346e22d 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} || $] < 5.008;
12}
13
14use threads;
15
16my ($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(255) NOT NULL UNIQUE, year VARCHAR(255));");
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;
1346e22d 63
64 my $child_rs = $schema->resultset('CD')->search({ year => 1901 });
65 my $row = $parent_rs->next;
66 if($row && $row->get_column('artist') =~ /^(?:123|456)$/) {
67 $schema->resultset('CD')->create({ title => "test success $tid", artist => $tid, year => scalar(@children) });
68 }
69 sleep(3);
70 };
71 die "Thread creation failed: $! $@" if !defined $newthread;
72 push(@children, $newthread);
73}
74
75ok(1, "past spawning");
76
77{
78 $_->join for(@children);
79}
80
81ok(1, "past joining");
82
83while(@children) {
84 my $child = pop(@children);
85 my $tid = $child->tid;
86 my $rs = $schema->resultset('CD')->search({ title => "test success $tid", artist => $tid, year => scalar(@children) });
87 is($rs->next->get_column('artist'), $tid, "Child $tid successful");
88}
89
90ok(1, "Made it to the end");
91
92$schema->storage->dbh->do("DROP TABLE cd");