Some cleanups and code dedup of Top and FetchFirst limit dialects
[dbsrgits/DBIx-Class.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 {
90cfe42b 15 plan skip_all => 'Minimum of perl 5.8.5 required for thread tests (DBD::Pg mandated)'
16 if $] < '5.008005';
c76e5262 17}
18
19
39fa10f5 20use threads;
199fbc45 21use DBIx::Class::Optional::Dependencies ();
8ec03a3a 22use lib qw(t/lib);
39fa10f5 23
199fbc45 24
39fa10f5 25my ($dsn, $user, $pass) = @ENV{map { "DBICTEST_PG_${_}" } qw/DSN USER PASS/};
39fa10f5 26plan skip_all => 'Set $ENV{DBICTEST_PG_DSN}, _USER and _PASS to run this test'
27 . ' (note: creates and drops a table named artist!)' unless ($dsn && $user);
28
49b3a264 29plan skip_all => 'Test needs ' . DBIx::Class::Optional::Dependencies->req_missing_for ('rdbms_pg')
30 unless DBIx::Class::Optional::Dependencies->req_ok_for ('rdbms_pg');
8ec03a3a 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
39fa10f5 37use_ok('DBICTest::Schema');
38
39my $schema = DBICTest::Schema->connection($dsn, $user, $pass, { AutoCommit => 1, RaiseError => 1, PrintError => 0 });
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 });
56 $parent_rs->next;
57};
58ok(!$@) or diag "Creation eval failed: $@";
59
60my @children;
61while(@children < $num_children) {
62
63 my $newthread = async {
64 my $tid = threads->tid;
65 # my $dbh = $schema->storage->dbh;
66
67 $schema->txn_do(sub {
68 my $child_rs = $schema->resultset('CD')->search({ year => 1901 });
69 my $row = $parent_rs->next;
70 if($row && $row->get_column('artist') =~ /^(?:123|456)$/) {
71 $schema->resultset('CD')->create({ title => "test success $tid", artist => $tid, year => scalar(@children) });
72 }
73 });
74 sleep(3);
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;