use strict;
-use warnings;
+use warnings;
use Test::More;
+use Test::Warn;
+use Test::Exception;
use lib qw(t/lib);
use DBICTest;
my $schema = DBICTest->init_schema();
-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 successful txn_do() - scalar context
{
+ is( $schema->storage->{transaction_depth}, 0, 'txn depth starts at 0');
+
my @titles = map {'txn_do test CD ' . $_} (1..5);
my $artist = $schema->resultset('Artist')->find(1);
my $count_before = $artist->cds->count;
is($artist->cds({
title => "txn_do test CD $_",
})->first->year, 2006, "new CD $_ year correct") for (1..5);
+
+ is( $schema->storage->{transaction_depth}, 0, 'txn depth has been reset');
}
# Test successful txn_do() - list context
{
+ is( $schema->storage->{transaction_depth}, 0, 'txn depth starts at 0');
+
my @titles = map {'txn_do test CD ' . $_} (6..10);
my $artist = $schema->resultset('Artist')->find(1);
my $count_before = $artist->cds->count;
is($artist->cds({
title => "txn_do test CD $_",
})->first->year, 2006, "new CD $_ year correct") for (6..10);
+
+ is( $schema->storage->{transaction_depth}, 0, 'txn depth has been reset');
}
# Test nested successful txn_do()
{
+ is( $schema->storage->{transaction_depth}, 0, 'txn depth starts at 0');
+
my $nested_code = sub {
my ($schema, $artist, $code) = @_;
title => 'nested txn_do test CD '.$_,
})->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');
+
+ is( $schema->storage->{transaction_depth}, 0, 'txn depth has been reset');
}
my $fail_code = sub {
# Test failed txn_do()
{
+
+ is( $schema->storage->{transaction_depth}, 0, 'txn depth starts at 0');
+
+ 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});
+
+ is( $schema->storage->{transaction_depth}, 0, 'txn depth has been reset');
+}
+
+# do the same transaction again
+{
+ is( $schema->storage->{transaction_depth}, 0, 'txn depth starts at 0');
+
my $artist = $schema->resultset('Artist')->find(3);
eval {
year => 2005,
})->first;
ok(!defined($cd), q{failed txn_do didn't change the cds table});
+
+ is( $schema->storage->{transaction_depth}, 0, 'txn depth has been reset');
}
# Test failed txn_do() with failed rollback
{
+ is( $schema->storage->{transaction_depth}, 0, 'txn depth starts at 0');
+
my $artist = $schema->resultset('Artist')->find(3);
# Force txn_rollback() to throw an exception
no warnings 'redefine';
no strict 'refs';
- local *{"DBIx::Class::Storage::DBI::SQLite::txn_rollback"} = sub{die 'FAILED'};
+
+ # die in rollback, but maintain sanity for further tests ...
+ local *{"DBIx::Class::Storage::DBI::SQLite::txn_rollback"} = sub{
+ my $storage = shift;
+ $storage->{transaction_depth}--;
+ die 'FAILED';
+ };
eval {
$schema->txn_do($fail_code, $artist);
year => 2005,
})->first;
ok(!defined($cd), q{deleted the failed txn's cd});
- $schema->storage->{transaction_depth} = 0; # Must reset this or further tests
- # will fail
+ $schema->storage->_dbh->rollback;
}
# Test nested failed txn_do()
{
+ is( $schema->storage->{transaction_depth}, 0, 'txn depth starts at 0');
+
my $nested_fail_code = sub {
my ($schema, $artist, $code1, $code2) = @_;
ok(!defined($cd), q{failed txn_do didn't add failed txn's cd});
}
+# Grab a new schema to test txn before connect
+{
+ my $schema2 = DBICTest->init_schema(no_deploy => 1);
+ eval {
+ $schema2->txn_begin();
+ $schema2->txn_begin();
+ };
+ my $err = $@;
+ ok(! $err, 'Pre-connection nested transactions.');
+
+ # although not connected DBI would still warn about rolling back at disconnect
+ $schema2->txn_rollback;
+ $schema2->txn_rollback;
+ $schema2->storage->disconnect;
+}
+$schema->storage->disconnect;
+
+# Test txn_scope_guard
+{
+ my $schema = DBICTest->init_schema();
+
+ is($schema->storage->transaction_depth, 0, "Correct transaction depth");
+ my $artist_rs = $schema->resultset('Artist');
+ throws_ok {
+ my $guard = $schema->txn_scope_guard;
+
+
+ $artist_rs->create({
+ name => 'Death Cab for Cutie',
+ made_up_column => 1,
+ });
+
+ $guard->commit;
+ } qr/No such column made_up_column .*? at .*?81transactions.t line \d+/s, "Error propogated okay";
+
+ ok(!$artist_rs->find({name => 'Death Cab for Cutie'}), "Artist not created");
+
+ my $inner_exception; # set in inner() below
+ eval {
+ outer($schema, 1);
+ };
+ is($@, $inner_exception, "Nested exceptions propogated");
+
+ ok(!$artist_rs->find({name => 'Death Cab for Cutie'}), "Artist not created");
+
+ lives_ok (sub {
+ warnings_exist ( sub {
+ # The 0 arg says don't die, just let the scope guard go out of scope
+ # forcing a txn_rollback to happen
+ outer($schema, 0);
+ }, qr/A DBIx::Class::Storage::TxnScopeGuard went out of scope without explicit commit or error. Rolling back./, 'Out of scope warning detected');
+ ok(!$artist_rs->find({name => 'Death Cab for Cutie'}), "Artist not created");
+ }, 'rollback successful withot exception');
+
+ sub outer {
+ my ($schema) = @_;
+
+ my $guard = $schema->txn_scope_guard;
+ $schema->resultset('Artist')->create({
+ name => 'Death Cab for Cutie',
+ });
+ inner(@_);
+ }
+
+ sub inner {
+ my ($schema, $fatal) = @_;
+
+ my $inner_guard = $schema->txn_scope_guard;
+ is($schema->storage->transaction_depth, 2, "Correct transaction depth");
+
+ my $artist = $artist_rs->find({ name => 'Death Cab for Cutie' });
+
+ eval {
+ $artist->cds->create({
+ title => 'Plans',
+ year => 2005,
+ $fatal ? ( foo => 'bar' ) : ()
+ });
+ };
+ if ($@) {
+ # Record what got thrown so we can test it propgates out properly.
+ $inner_exception = $@;
+ die $@;
+ }
+
+ # inner guard should commit without consequences
+ $inner_guard->commit;
+ }
+}
+
+# make sure the guard does not eat exceptions
+{
+ my $schema = DBICTest->init_schema();
+ throws_ok (sub {
+ my $guard = $schema->txn_scope_guard;
+ $schema->resultset ('Artist')->create ({ name => 'bohhoo'});
+
+ $schema->storage->disconnect; # this should freak out the guard rollback
+
+ die 'Deliberate exception';
+ }, qr/Deliberate exception.+Rollback failed/s);
+}
+
+# make sure it warns *big* on failed rollbacks
+{
+ my $schema = DBICTest->init_schema();
+
+ # something is really confusing Test::Warn here, no time to debug
+=begin
+ warnings_exist (
+ sub {
+ my $guard = $schema->txn_scope_guard;
+ $schema->resultset ('Artist')->create ({ name => 'bohhoo'});
+
+ $schema->storage->disconnect; # this should freak out the guard rollback
+ },
+ [
+ qr/A DBIx::Class::Storage::TxnScopeGuard went out of scope without explicit commit or error. Rolling back./,
+ qr/\*+ ROLLBACK FAILED\!\!\! \*+/,
+ ],
+ 'proper warnings generated on out-of-scope+rollback failure'
+ );
+=cut
+
+ my @want = (
+ qr/A DBIx::Class::Storage::TxnScopeGuard went out of scope without explicit commit or error. Rolling back./,
+ qr/\*+ ROLLBACK FAILED\!\!\! \*+/,
+ );
+
+ my @w;
+ local $SIG{__WARN__} = sub {
+ if (grep {$_[0] =~ $_} (@want)) {
+ push @w, $_[0];
+ }
+ else {
+ warn $_[0];
+ }
+ };
+ {
+ my $guard = $schema->txn_scope_guard;
+ $schema->resultset ('Artist')->create ({ name => 'bohhoo'});
+
+ $schema->storage->disconnect; # this should freak out the guard rollback
+ }
+
+ is (@w, 2, 'Both expected warnings found');
+}
+
+done_testing;
projects / dbsrgits/DBIx-Class.git / blobdiff