-use Class::C3;
use strict;
-use Test::More;
use warnings;
+use Test::More;
+use DBIx::Class::Optional::Dependencies ();
-# This test passes no matter what in most cases. However, prior to the recent
-# fork-related fixes, it would spew lots of warnings. I have not quite gotten
-# it to where it actually fails in those cases.
+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/};
-plan skip_all => 'Set $ENV{DBICTEST_FORK_STRESS} to run this test'
- unless $ENV{DBICTEST_FORK_STRESS};
-
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);
-plan tests => 15;
+# README: If you set the env var to a number greater than 10,
+# we will use that many children
+my $num_children = $ENV{DBICTEST_FORK_STRESS} || 1;
+if($num_children !~ /^[0-9]+$/ || $num_children < 10) {
+ $num_children = 10;
+}
+
+plan tests => ($num_children*2) + 6;
use lib qw(t/lib);
use_ok('DBICTest::Schema');
-DBICTest::Schema->compose_connection('PgTest' => $dsn, $user, $pass, { AutoCommit => 1 });
+my $schema = DBICTest::Schema->connection($dsn, $user, $pass, { AutoCommit => 1 });
-my ($first_rs, $joe_record);
+my $parent_rs;
eval {
- my $dbh = PgTest->schema->storage->dbh;
+ my $dbh = $schema->storage->dbh;
- $dbh->do("CREATE TABLE cd (cdid serial PRIMARY KEY, artist INTEGER NOT NULL UNIQUE, title VARCHAR(255) NOT NULL UNIQUE, year VARCHAR(255));");
+ {
+ local $SIG{__WARN__} = sub {};
+ eval { $dbh->do("DROP TABLE cd") };
+ $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);");
+ }
- PgTest->resultset('CD')->create({ title => 'vacation in antarctica', artist => 123, year => 1901 });
- PgTest->resultset('CD')->create({ title => 'vacation in antarctica part 2', artist => 456, year => 1901 });
+ $schema->resultset('CD')->create({ title => 'vacation in antarctica', artist => 123, year => 1901 });
+ $schema->resultset('CD')->create({ title => 'vacation in antarctica part 2', artist => 456, year => 1901 });
- $first_rs = PgTest->resultset('CD')->search({ year => 1901 });
- $joe_record = $first_rs->next;
+ $parent_rs = $schema->resultset('CD')->search({ year => 1901 });
+ $parent_rs->next;
};
ok(!$@) or diag "Creation eval failed: $@";
-my $num_children = 10;
+{
+ my $pid = fork;
+ if(!defined $pid) {
+ die "fork failed: $!";
+ }
+
+ if (!$pid) {
+ exit $schema->storage->connected ? 1 : 0;
+ }
+
+ if (waitpid($pid, 0) == $pid) {
+ my $ex = $? >> 8;
+ ok($ex == 0, "storage->connected() returns false in child");
+ exit $ex if $ex; # skip remaining tests
+ }
+}
+
my @pids;
while(@pids < $num_children) {
}
elsif($pid) {
push(@pids, $pid);
- next;
+ next;
}
$pid = $$;
- my ($forked_rs, $joe_forked);
- $forked_rs = PgTest->resultset('CD')->search({ year => 1901 });
- $joe_forked = $first_rs->next;
- if($joe_forked && $joe_forked->get_column('artist') =~ /^(?:123|456)$/) {
- PgTest->resultset('CD')->create({ title => "test success $pid", artist => $pid, year => scalar(@pids) });
+ my $work = sub {
+ my $child_rs = $schema->resultset('CD')->search({ year => 1901 });
+ my $row = $parent_rs->next;
+ $schema->resultset('CD')->create({ title => "test success $pid", artist => $pid, year => scalar(@pids) })
+ if($row && $row->get_column('artist') =~ /^(?:123|456)$/);
+ };
+
+ # try with and without transactions
+ if ((@pids % 3) == 1) {
+ my $guard = $schema->txn_scope_guard;
+ $work->();
+ $guard->commit;
+ }
+ elsif ((@pids % 3) == 2) {
+ $schema->txn_do ($work);
+ }
+ else {
+ $work->();
}
+
sleep(3);
- exit;
+ exit 0;
}
ok(1, "past forking");
-waitpid($_,0) for(@pids);
+for (@pids) {
+ waitpid($_,0);
+ ok (! $?, "Child $_ exitted cleanly");
+};
ok(1, "past waiting");
while(@pids) {
my $pid = pop(@pids);
- my $rs = PgTest->resultset('CD')->search({ title => "test success $pid", artist => $pid, year => scalar(@pids) });
+ my $rs = $schema->resultset('CD')->search({ title => "test success $pid", artist => $pid, year => scalar(@pids) });
is($rs->next->get_column('artist'), $pid, "Child $pid successful");
}
ok(1, "Made it to the end");
-PgTest->schema->storage->dbh->do("DROP TABLE cd");
+$schema->storage->dbh->do("DROP TABLE cd");