11 my ($artist, @cd_titles) = @_;
13 $artist->create_related('cds', {
16 }) foreach (@cd_titles);
18 return $artist->cds->all;
21 # Test checking of parameters
23 my $schema = DBICTest->init_schema;
26 (ref $schema)->txn_do(sub{});
27 }, qr/storage/, "can't call txn_do without storage");
31 }, qr/must be a CODE reference/, '$coderef parameter check ok');
34 # Test successful txn_do() - scalar/list context
36 my $schema = DBICTest->init_schema;
38 is( $schema->storage->{transaction_depth}, 0, 'txn depth starts at 0');
40 my @titles = map {'txn_do test CD ' . $_} (1..5);
41 my $artist = $schema->resultset('Artist')->find(1);
42 my $count_before = $artist->cds->count;
46 @res = $schema->txn_do($code, $artist, @titles);
47 is(scalar @res, $count_before+5, 'successful txn added 5 cds');
50 $res[0] = $schema->txn_do($code, $artist, @titles);
51 is($res[0], $count_before+5, 'successful txn added 5 cds');
55 title => "txn_do test CD $_",
56 })->first->year, 2006, "new CD $_ year correct") for (1..5);
58 is( $schema->storage->{transaction_depth}, 0, 'txn depth has been reset');
61 # Test txn_do() @_ aliasing support
63 my $schema = DBICTest->init_schema;
66 $schema->storage->txn_do (sub { $_[0] = 'changed' }, $res);
67 is ($res, 'changed', "Arguments properly aliased for txn_do");
70 # Test nested successful txn_do()
72 my $schema = DBICTest->init_schema;
74 is( $schema->storage->{transaction_depth}, 0, 'txn depth starts at 0');
76 my $nested_code = sub {
77 my ($schema, $artist, $code) = @_;
79 my @titles1 = map {'nested txn_do test CD ' . $_} (1..5);
80 my @titles2 = map {'nested txn_do test CD ' . $_} (6..10);
82 $schema->txn_do($code, $artist, @titles1);
83 $schema->txn_do($code, $artist, @titles2);
86 my $artist = $schema->resultset('Artist')->find(2);
87 my $count_before = $artist->cds->count;
90 $schema->txn_do($nested_code, $schema, $artist, $code);
91 }, 'nested txn_do succeeded');
94 title => 'nested txn_do test CD '.$_,
95 })->first->year, 2006, qq{nested txn_do CD$_ year ok}) for (1..10);
96 is($artist->cds->count, $count_before+10, 'nested txn_do added all CDs');
98 is( $schema->storage->{transaction_depth}, 0, 'txn depth has been reset');
101 # test nested txn_begin on fresh connection
103 my $schema = DBICTest->init_schema(sqlite_use_file => 1, no_deploy => 1);
104 $schema->storage->ensure_connected;
106 is ($schema->storage->transaction_depth, 0, 'Start outside txn');
112 die "$$ starts in txn!" if $s->storage->transaction_depth != 0;
114 die "$$ not in txn!" if $s->storage->transaction_depth == 0;
115 $s->storage->dbh->do('SELECT 1') }
117 die "$$ did not finish txn!" if $s->storage->transaction_depth != 0;
121 $_[0]->storage->dbh->do('SELECT 1');
125 my $guard = $_[0]->txn_scope_guard;
126 $_[0]->storage->dbh->do('SELECT 1');
131 die "Unable to fork: $!\n"
143 is ($schema->storage->transaction_depth, 0, 'Parent still outside txn');
145 for my $pid (@pids) {
147 ok (! $?, "Child $pid exit ok");
151 # Test txn_do/scope_guard with forking: outer txn_do
153 my $schema = DBICTest->init_schema( sqlite_use_file => 1 );
155 for my $pass (1..2) {
157 # do something trying to destabilize the depth count
160 my $guard = $schema->txn_scope_guard;
161 $schema->txn_do( sub { die } );
163 is( $schema->storage->transaction_depth, 0, 'Transaction successfully aborted' );
164 $schema->txn_do( sub {
165 ok ($schema->storage->_dbh->do ('SELECT 1'), "Query after exceptions ok ($_)");
169 $schema->txn_do ( sub { _test_forking_action ($schema, $pass) } );
173 # same test with outer guard
175 my $schema = DBICTest->init_schema( sqlite_use_file => 1 );
177 for my $pass (1..2) {
179 # do something trying to destabilize the depth count
182 my $guard = $schema->txn_scope_guard;
183 $schema->txn_do( sub { die } );
185 is( $schema->storage->transaction_depth, 0, 'Transaction successfully aborted' );
186 $schema->txn_do( sub {
187 ok ($schema->storage->_dbh->do ('SELECT 1'), "Query after exceptions ok ($_)");
191 my $guard = $schema->txn_scope_guard;
192 my @pids = _test_forking_action ($schema, $pass);
197 sub _test_forking_action {
198 my ($schema, $pass) = @_;
202 SKIP: for my $count (1 .. 5) {
204 skip 'Weird DBI General Protection Faults, skip forking tests (RT#63104)', 5
208 die "Unable to fork: $!\n"
217 $schema->txn_do (sub {
218 my $depth = $schema->storage->transaction_depth;
219 die "$$(txn_do)unexpected txn depth $depth!" if $depth != 1;
220 $schema->resultset ('Artist')->create ({ name => "forking action $$"});
224 my $guard = $schema->txn_scope_guard;
225 my $depth = $schema->storage->transaction_depth;
226 die "$$(scope_guard) unexpected txn depth $depth!" if $depth != 1;
227 $schema->resultset ('Artist')->create ({ name => "forking action $$"});
234 for my $pid (@pids) {
236 ok (! $?, "Child $pid exit ok (pass $pass)");
239 # it is important to reap all children before checking the final db-state
240 # otherwise a deadlock may occur between the transactions running in the
241 # children and the query of the parent
242 for my $pid (@pids) {
243 isa_ok ($schema->resultset ('Artist')->find ({ name => "forking action $pid" }), 'DBIx::Class::Row');
247 my $fail_code = sub {
249 $artist->create_related('cds', {
250 title => 'this should not exist',
253 die "the sky is falling";
257 my $schema = DBICTest->init_schema;
259 # Test failed txn_do()
262 is( $schema->storage->{transaction_depth}, 0, "txn depth starts at 0 (pass $pass)");
264 my $artist = $schema->resultset('Artist')->find(3);
267 $schema->txn_do($fail_code, $artist);
268 }, qr/the sky is falling/, "failed txn_do threw an exception (pass $pass)");
270 my $cd = $artist->cds({
271 title => 'this should not exist',
274 ok(!defined($cd), qq{failed txn_do didn't change the cds table (pass $pass)});
276 is( $schema->storage->{transaction_depth}, 0, "txn depth has been reset (pass $pass)");
280 # Test failed txn_do() with failed rollback
282 is( $schema->storage->{transaction_depth}, 0, 'txn depth starts at 0');
284 my $artist = $schema->resultset('Artist')->find(3);
286 # Force txn_rollback() to throw an exception
287 no warnings qw/once redefine/;
289 # this should logically work just fine - but it does not,
290 # only direct override of the existing method dtrt
291 #local *DBIx::Class::Storage::DBI::SQLite::txn_rollback = sub { die 'FAILED' };
293 local *DBIx::Class::Storage::DBI::txn_rollback = sub { die 'FAILED' };
294 Class::C3->reinitialize() if DBIx::Class::_ENV_::OLD_MRO;
298 $schema->txn_do($fail_code, $artist);
300 qr/the sky is falling.+Rollback failed/s,
301 'txn_rollback threw a rollback exception (and included the original exception'
304 my $cd = $artist->cds({
305 title => 'this should not exist',
308 isa_ok($cd, 'DBICTest::CD', q{failed txn_do with a failed txn_rollback }.
309 q{changed the cds table});
310 $cd->delete; # Rollback failed
312 title => 'this should not exist',
315 ok(!defined($cd), q{deleted the failed txn's cd});
316 $schema->storage->_dbh->rollback;
320 # Test nested failed txn_do()
322 my $schema = DBICTest->init_schema();
324 is( $schema->storage->{transaction_depth}, 0, 'txn depth starts at 0');
326 my $nested_fail_code = sub {
327 my ($schema, $artist, $code1, $code2) = @_;
329 my @titles = map {'nested txn_do test CD ' . $_} (1..5);
331 $schema->txn_do($code1, $artist, @titles); # successful txn
332 $schema->txn_do($code2, $artist); # failed txn
335 my $artist = $schema->resultset('Artist')->find(3);
338 $schema->txn_do($nested_fail_code, $schema, $artist, $code, $fail_code);
339 }, qr/the sky is falling/, 'nested failed txn_do threw exception');
341 ok(!defined($artist->cds({
342 title => 'nested txn_do test CD '.$_,
344 })->first), qq{failed txn_do didn't add first txn's cd $_}) for (1..5);
345 my $cd = $artist->cds({
346 title => 'this should not exist',
349 ok(!defined($cd), q{failed txn_do didn't add failed txn's cd});
353 # Grab a new schema to test txn before connect
354 # also test nested txn exception
356 my $schema = DBICTest->init_schema(no_deploy => 1);
358 $schema->txn_begin();
359 $schema->txn_begin();
360 }, 'Pre-connection nested transactions.');
362 throws_ok( sub { $schema->txn_rollback }, 'DBIx::Class::Storage::NESTED_ROLLBACK_EXCEPTION', 'got proper nested rollback exception' );
365 # make sure AutoCommit => 0 on external handles behaves correctly with scope_guard
367 my $factory = DBICTest->init_schema;
368 cmp_ok ($factory->resultset('CD')->count, '>', 0, 'Something to delete');
369 my $dbh = $factory->storage->dbh;
370 $dbh->{AutoCommit} = 0;
372 ok (!$dbh->{AutoCommit}, 'AutoCommit is off on $dbh');
373 my $schema = DBICTest::Schema->connect (sub { $dbh });
376 my $guard = $schema->txn_scope_guard;
377 $schema->resultset('CD')->delete;
379 }, 'No attempt to start a transaction with scope guard');
381 is ($schema->resultset('CD')->count, 0, 'Deletion successful in txn');
383 # this will commit the implicitly started txn
386 } [], 'No warnings on AutoCommit => 0 with txn_guard';
388 # make sure AutoCommit => 0 on external handles behaves correctly with txn_do
390 my $factory = DBICTest->init_schema;
391 cmp_ok ($factory->resultset('CD')->count, '>', 0, 'Something to delete');
392 my $dbh = $factory->storage->dbh;
393 $dbh->{AutoCommit} = 0;
395 ok (!$dbh->{AutoCommit}, 'AutoCommit is off on $dbh');
396 my $schema = DBICTest::Schema->connect (sub { $dbh });
399 $schema->txn_do (sub { $schema->resultset ('CD')->delete });
400 }, 'No attempt to start a atransaction with txn_do');
402 is ($schema->resultset('CD')->count, 0, 'Deletion successful');
404 # this will commit the implicitly started txn
407 } [], 'No warnings on AutoCommit => 0 with txn_do';