X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=t%2F50fork.t;h=8fea72f51e731450e7e276a26c393c62d73684b5;hb=64ae166780d0cb2b9577e506da9b9b240c146d20;hp=79ba7a65c56d44dd6ae272ac0cbffcc997149fc1;hpb=6adfd46229f02958ef8e163ef973b827e123bf14;p=dbsrgits%2FDBIx-Class.git diff --git a/t/50fork.t b/t/50fork.t index 79ba7a6..8fea72f 100644 --- a/t/50fork.t +++ b/t/50fork.t @@ -1,47 +1,67 @@ -use Class::C3; use strict; -use Test::More; use warnings; +use Test::More; -# 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. +# README: If you set the env var to a number greater than 10, +# we will use that many children my ($dsn, $user, $pass) = @ENV{map { "DBICTEST_PG_${_}" } qw/DSN USER PASS/}; +my $num_children = $ENV{DBICTEST_FORK_STRESS}; plan skip_all => 'Set $ENV{DBICTEST_FORK_STRESS} to run this test' - unless $ENV{DBICTEST_FORK_STRESS}; + 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 && $user); -plan tests => 15; +if($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; - eval { - $dbh->do("DROP TABLE cd"); - $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) { @@ -51,33 +71,50 @@ 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");