sub run_tests {
my $schema = shift;
plan tests => 39;
my $code = sub {
my ($artist, @cd_titles) = @_;
$artist->create_related('cds', {
title => $_,
year => 2006,
}) foreach (@cd_titles);
return $artist->cds->all;
};
# Test checking of parameters
{
eval {
(ref $schema)->txn_do(sub{});
};
like($@, qr/class method/, '$self parameter check ok');
eval {
$schema->txn_do('');
};
like($@, qr/must be a CODE reference/, '$coderef parameter check ok');
}
# Test successful txn_do() - scalar context
{
my @titles = map {'txn_do test CD ' . $_} (1..5);
my $artist = $schema->resultset('Artist')->find(1);
my $count_before = $artist->cds->count;
my $count_after = $schema->txn_do($code, $artist, @titles);
is($count_after, $count_before+5, 'successful txn added 5 cds');
is($artist->cds({
title => "txn_do test CD $_",
})->first->year, 2006, "new CD $_ year correct") for (1..5);
}
# Test successful txn_do() - list context
{
my @titles = map {'txn_do test CD ' . $_} (6..10);
my $artist = $schema->resultset('Artist')->find(1);
my $count_before = $artist->cds->count;
my @cds = $schema->txn_do($code, $artist, @titles);
is(scalar @cds, $count_before+5, 'added 5 CDs and returned in list context');
is($artist->cds({
title => "txn_do test CD $_",
})->first->year, 2006, "new CD $_ year correct") for (6..10);
}
# Test nested successful txn_do()
{
my $nested_code = sub {
my ($schema, $artist, $code) = @_;
my @titles1 = map {'nested txn_do test CD ' . $_} (1..5);
my @titles2 = map {'nested txn_do test CD ' . $_} (6..10);
$schema->txn_do($code, $artist, @titles1);
$schema->txn_do($code, $artist, @titles2);
};
my $artist = $schema->resultset('Artist')->find(2);
my $count_before = $artist->cds->count;
eval {
$schema->txn_do($nested_code, $schema, $artist, $code);
};
my $error = $@;
ok(!$error, 'nested txn_do succeeded');
is($artist->cds({
title => 'nested txn_do test CD '.$_,
})->first->year, 2006, qq{nested txn_do CD$_ year ok}) for (1..10);
is($artist->cds->count, $count_before+10, 'nested txn_do added all CDs');
}
my $fail_code = sub {
my ($artist) = @_;
$artist->create_related('cds', {
title => 'this should not exist',
year => 2005,
});
die "the sky is falling";
};
# Test failed txn_do()
{
my $artist = $schema->resultset('Artist')->find(3);
eval {
$schema->txn_do($fail_code, $artist);
};
my $error = $@;
like($error, qr/the sky is falling/, 'failed txn_do threw an exception');
my $cd = $artist->cds({
title => 'this should not exist',
year => 2005,
})->first;
ok(!defined($cd), q{failed txn_do didn't change the cds table});
}
# Test failed txn_do() with failed rollback
{
my $artist = $schema->resultset('Artist')->find(3);
# Force txn_rollback() to throw an exception
no warnings 'redefine';
local *{"DBIx::Class::Schema::txn_rollback"} = sub{die 'FAILED'};
eval {
$schema->txn_do($fail_code, $artist);
};
my $error = $@;
like($error, qr/Rollback failed/, 'failed txn_do with a failed '.
'txn_rollback threw a rollback exception');
like($error, qr/the sky is falling/, 'failed txn_do with a failed '.
'txn_rollback included the original exception');
my $cd = $artist->cds({
title => 'this should not exist',
year => 2005,
})->first;
isa_ok($cd, 'DBICTest::CD', q{failed txn_do with a failed txn_rollback }.
q{changed the cds table});
$cd->delete; # Rollback failed
$cd = $artist->cds({
title => 'this should not exist',
year => 2005,
})->first;
ok(!defined($cd), q{deleted the failed txn's cd});
$schema->storage->{transaction_depth} = 0; # Must reset this or further tests
# will fail
}
# Test nested failed txn_do()
{
my $nested_fail_code = sub {
my ($schema, $artist, $code1, $code2) = @_;
my @titles = map {'nested txn_do test CD ' . $_} (1..5);
$schema->txn_do($code1, $artist, @titles); # successful txn
$schema->txn_do($code2, $artist); # failed txn
};
my $artist = $schema->resultset('Artist')->find(3);
eval {
$schema->txn_do($nested_fail_code, $schema, $artist, $code, $fail_code);
};
my $error = $@;
like($error, qr/the sky is falling/, 'nested failed txn_do threw exception');
ok(!defined($artist->cds({
title => 'nested txn_do test CD '.$_,
year => 2006,
})->first), qq{failed txn_do didn't add first txn's cd $_}) for (1..5);
my $cd = $artist->cds({
title => 'this should not exist',
year => 2005,
})->first;
ok(!defined($cd), q{failed txn_do didn't add failed txn's cd});
}
}
1;