do not use "me" on the related_resultset pessimization
[dbsrgits/DBIx-Class-Historic.git] / t / 51threadtxn.t
CommitLineData
39fa10f5 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'
55087b99 11 if !$Config{useithreads};
39fa10f5 12}
13
c76e5262 14BEGIN {
15 plan skip_all => 'Minimum of perl 5.8.3 required for thread tests (DBD::Pg mandated)'
16 if $] < '5.008003';
17}
18
19
39fa10f5 20use threads;
8ec03a3a 21use lib qw(t/lib);
39fa10f5 22
23my ($dsn, $user, $pass) = @ENV{map { "DBICTEST_PG_${_}" } qw/DSN USER PASS/};
39fa10f5 24plan skip_all => 'Set $ENV{DBICTEST_PG_DSN}, _USER and _PASS to run this test'
25 . ' (note: creates and drops a table named artist!)' unless ($dsn && $user);
26
8ec03a3a 27
28my $num_children = $ENV{DBICTEST_THREAD_STRESS};
29plan skip_all => 'Set $ENV{DBICTEST_THREAD_STRESS} to run this test'
30 unless $num_children;
39fa10f5 31
32if($num_children !~ /^[0-9]+$/ || $num_children < 10) {
33 $num_children = 10;
34}
35
39fa10f5 36use_ok('DBICTest::Schema');
37
ec6415a9 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
39fa10f5 41my $schema = DBICTest::Schema->connection($dsn, $user, $pass, { AutoCommit => 1, RaiseError => 1, PrintError => 0 });
42
43my $parent_rs;
44
45eval {
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);");
39fa10f5 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 $parent_rs->next;
59};
60ok(!$@) or diag "Creation eval failed: $@";
61
62my @children;
63while(@children < $num_children) {
64
65 my $newthread = async {
66 my $tid = threads->tid;
67 # my $dbh = $schema->storage->dbh;
68
69 $schema->txn_do(sub {
70 my $child_rs = $schema->resultset('CD')->search({ year => 1901 });
71 my $row = $parent_rs->next;
72 if($row && $row->get_column('artist') =~ /^(?:123|456)$/) {
73 $schema->resultset('CD')->create({ title => "test success $tid", artist => $tid, year => scalar(@children) });
74 }
75 });
76 sleep(3);
77 };
78 die "Thread creation failed: $! $@" if !defined $newthread;
79 push(@children, $newthread);
80}
81
82ok(1, "past spawning");
83
84{
85 $_->join for(@children);
86}
87
88ok(1, "past joining");
89
90while(@children) {
91 my $child = pop(@children);
92 my $tid = $child->tid;
93 my $rs = $schema->resultset('CD')->search({ title => "test success $tid", artist => $tid, year => scalar(@children) });
94 is($rs->next->get_column('artist'), $tid, "Child $tid successful");
95}
96
97ok(1, "Made it to the end");
98
99$schema->storage->dbh->do("DROP TABLE cd");
8ec03a3a 100
101done_testing;