+use Config;
+BEGIN {
+ unless ($Config{useithreads}) {
+ print "1..0 # SKIP your perl does not support ithreads\n";
+ exit 0;
+ }
+}
+use threads;
+
use strict;
use warnings;
+
use Test::More;
-use Config;
+use Test::Exception;
-# README: If you set the env var to a number greater than 10,
-# we will use that many children
+plan skip_all => 'DBIC does not actively support threads before perl 5.8.5'
+ if $] < '5.008005';
-BEGIN {
- plan skip_all => 'Your perl does not support ithreads'
- if !$Config{useithreads};
-}
+use DBIx::Class::Optional::Dependencies ();
+use lib qw(t/lib);
+use DBICTest;
-use threads;
+plan skip_all => 'Test needs ' . DBIx::Class::Optional::Dependencies->req_missing_for ('rdbms_pg')
+ unless DBIx::Class::Optional::Dependencies->req_ok_for ('rdbms_pg');
my ($dsn, $user, $pass) = @ENV{map { "DBICTEST_PG_${_}" } qw/DSN USER PASS/};
-my $num_children = $ENV{DBICTEST_THREAD_STRESS};
-
-plan skip_all => 'Set $ENV{DBICTEST_THREAD_STRESS} to run this test'
- unless $num_children;
-
plan skip_all => 'Set $ENV{DBICTEST_PG_DSN}, _USER and _PASS to run this test'
. ' (note: creates and drops a table named artist!)' unless ($dsn && $user);
-diag 'It is normal to see a series of "Scalars leaked: ..." messages during this test';
-
+# README: If you set the env var to a number greater than 10,
+# we will use that many children
+my $num_children = $ENV{DBICTEST_THREAD_STRESS} || 1;
if($num_children !~ /^[0-9]+$/ || $num_children < 10) {
$num_children = 10;
}
-plan tests => $num_children + 5;
-
-use lib qw(t/lib);
-
use_ok('DBICTest::Schema');
-my $schema = DBICTest::Schema->connection($dsn, $user, $pass, { AutoCommit => 1, RaiseError => 1, PrintError => 0 });
+my $schema = DBICTest::Schema->connect($dsn, $user, $pass, { AutoCommit => 1, RaiseError => 1, PrintError => 0 });
my $parent_rs;
-eval {
+lives_ok (sub {
my $dbh = $schema->storage->dbh;
{
$schema->resultset('CD')->create({ title => 'vacation in antarctica part 2', artist => 456, year => 1901 });
$parent_rs = $schema->resultset('CD')->search({ year => 1901 });
- $parent_rs->next;
-};
-ok(!$@) or diag "Creation eval failed: $@";
+ is ($parent_rs->count, 2);
+}, 'populate successfull');
+
+# basic tests
+{
+ ok ($schema->storage->connected(), 'Parent is connected');
+ is ($parent_rs->next->id, 1, 'Cursor advanced');
+ my $ct_num = Test::More->builder->current_test;
+
+ my $newthread = async {
+ my $out = '';
+
+ #simulate a subtest to not confuse the parent TAP emission
+ my $tb = Test::More->builder;
+ $tb->reset;
+ for (qw/output failure_output todo_output/) {
+ close $tb->$_;
+ open ($tb->$_, '>', \$out);
+ }
+
+ ok(!$schema->storage->connected, "storage->connected() false in child");
+ for (1,2) {
+ throws_ok { $parent_rs->next } qr/\QMulti-thread access attempted while cursor in progress (position 1)/;
+ }
+
+ $parent_rs->reset;
+ is($parent_rs->next->id, 1, 'Resetting cursor reprepares it within child environment');
+ done_testing;
+
+ close $tb->$_ for (qw/output failure_output todo_output/);
+ sleep(1); # tasty crashes without this
+
+ $out;
+ };
+ die "Thread creation failed: $! $@" if !defined $newthread;
+
+ my $out = $newthread->join;
+ $out =~ s/^/ /gm;
+ print $out;
+
+ # workaround for older Test::More confusing the plan under threads
+ Test::More->builder->current_test($ct_num);
+
+ is ($parent_rs->next->id, 2, 'Cursor still intact in parent');
+ is ($parent_rs->next, undef, 'Cursor exhausted');
+}
+
+$parent_rs->reset;
my @children;
while(@children < $num_children) {
if($row && $row->get_column('artist') =~ /^(?:123|456)$/) {
$schema->resultset('CD')->create({ title => "test success $tid", artist => $tid, year => scalar(@children) });
}
- sleep(3);
+ sleep(1); # tasty crashes without this
};
die "Thread creation failed: $! $@" if !defined $newthread;
push(@children, $newthread);
}
ok(1, "Made it to the end");
+undef $parent_rs;
$schema->storage->dbh->do("DROP TABLE cd");
+
+done_testing;