X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=t%2F81transactions.t;h=2a592e129acfc21b0f9cf98d76d20b943f9788db;hb=69ab63d48af1134c7a6b35ae9005b448a0e37d9e;hp=32d5f17ec9a96cb0cf3234e65caea5376142a3b5;hpb=32b24bace23cf9718fb209638f8cd51c479a1a43;p=dbsrgits%2FDBIx-Class.git diff --git a/t/81transactions.t b/t/81transactions.t index 32d5f17..2a592e1 100644 --- a/t/81transactions.t +++ b/t/81transactions.t @@ -1,36 +1,34 @@ 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 => 64; - 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 { + throws_ok (sub { (ref $schema)->txn_do(sub{}); - }; - like($@, qr/storage/, "can't call txn_do without storage"); - eval { + }, qr/storage/, "can't call txn_do without storage"); + + throws_ok ( sub { $schema->txn_do(''); - }; - like($@, qr/must be a CODE reference/, '$coderef parameter check ok'); + }, qr/must be a CODE reference/, '$coderef parameter check ok'); } # Test successful txn_do() - scalar context @@ -82,13 +80,10 @@ my $code = sub { my $artist = $schema->resultset('Artist')->find(2); my $count_before = $artist->cds->count; - eval { + lives_ok (sub { $schema->txn_do($nested_code, $schema, $artist, $code); - }; + }, 'nested txn_do succeeded'); - 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); @@ -113,13 +108,10 @@ my $fail_code = sub { my $artist = $schema->resultset('Artist')->find(3); - eval { + throws_ok (sub { $schema->txn_do($fail_code, $artist); - }; + }, qr/the sky is falling/, 'failed txn_do threw an exception'); - 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, @@ -135,13 +127,10 @@ my $fail_code = sub { my $artist = $schema->resultset('Artist')->find(3); - eval { + throws_ok (sub { $schema->txn_do($fail_code, $artist); - }; + }, qr/the sky is falling/, 'failed txn_do threw an exception'); - 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, @@ -168,16 +157,13 @@ my $fail_code = 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'); + throws_ok ( + sub { + $schema->txn_do($fail_code, $artist); + }, + qr/the sky is falling.+Rollback failed/s, + 'txn_rollback threw a rollback exception (and included the original exception' + ); my $cd = $artist->cds({ title => 'this should not exist', @@ -209,13 +195,10 @@ my $fail_code = sub { my $artist = $schema->resultset('Artist')->find(3); - eval { + throws_ok ( sub { $schema->txn_do($nested_fail_code, $schema, $artist, $code, $fail_code); - }; - - my $error = $@; + }, qr/the sky is falling/, 'nested failed txn_do threw exception'); - like($error, qr/the sky is falling/, 'nested failed txn_do threw exception'); ok(!defined($artist->cds({ title => 'nested txn_do test CD '.$_, year => 2006, @@ -230,12 +213,10 @@ my $fail_code = sub { # Grab a new schema to test txn before connect { my $schema2 = DBICTest->init_schema(no_deploy => 1); - eval { + lives_ok (sub { $schema2->txn_begin(); $schema2->txn_begin(); - }; - my $err = $@; - ok(! $err, 'Pre-connection nested transactions.'); + }, 'Pre-connection nested transactions.'); # although not connected DBI would still warn about rolling back at disconnect $schema2->txn_rollback; @@ -258,29 +239,25 @@ $schema->storage->disconnect; 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; - eval { + my $inner_exception = ''; # set in inner() below + throws_ok (sub { outer($schema, 1); - }; - is($@, $inner_exception, "Nested exceptions propogated"); + }, qr/$inner_exception/, "Nested exceptions propogated"); ok(!$artist_rs->find({name => 'Death Cab for Cutie'}), "Artist not created"); lives_ok (sub { - my $w; - local $SIG{__WARN__} = sub { $w = shift }; - - # The 0 arg says don't die, just let the scope guard go out of scope - # forcing a txn_rollback to happen - outer($schema, 0); - - like ($w, qr/A DBIx::Class::Storage::TxnScopeGuard went out of scope without explicit commit or an error/, 'Out of scope warning detected'); + warnings_exist ( sub { + # The 0 arg says don't die, just let the scope guard go out of scope + # forcing a txn_rollback to happen + outer($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'); @@ -303,9 +280,9 @@ $schema->storage->disconnect; my $artist = $artist_rs->find({ name => 'Death Cab for Cutie' }); eval { - $artist->cds->create({ + $artist->cds->create({ title => 'Plans', - year => 2005, + year => 2005, $fatal ? ( foo => 'bar' ) : () }); }; @@ -319,3 +296,99 @@ $schema->storage->disconnect; $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'); +} + +# make sure AutoCommit => 0 on external handles behaves correctly with scope_guard +{ + my $factory = DBICTest->init_schema (AutoCommit => 0); + cmp_ok ($factory->resultset('CD')->count, '>', 0, 'Something to delete'); + my $dbh = $factory->storage->dbh; + + ok (!$dbh->{AutoCommit}, 'AutoCommit is off on $dbh'); + my $schema = DBICTest::Schema->connect (sub { $dbh }); + + + lives_ok ( sub { + my $guard = $schema->txn_scope_guard; + $schema->resultset('CD')->delete; + $guard->commit; + }, 'No attempt to start a transaction with scope guard'); + + is ($schema->resultset('CD')->count, 0, 'Deletion successful'); +} + +# make sure AutoCommit => 0 on external handles behaves correctly with txn_do +{ + my $factory = DBICTest->init_schema (AutoCommit => 0); + cmp_ok ($factory->resultset('CD')->count, '>', 0, 'Something to delete'); + my $dbh = $factory->storage->dbh; + + ok (!$dbh->{AutoCommit}, 'AutoCommit is off on $dbh'); + my $schema = DBICTest::Schema->connect (sub { $dbh }); + + + lives_ok ( sub { + $schema->txn_do (sub { $schema->resultset ('CD')->delete }); + }, 'No attempt to start a atransaction with txn_do'); + + is ($schema->resultset('CD')->count, 0, 'Deletion successful'); +} + +done_testing;