10 my $schema = DBICTest->init_schema();
13 my ($artist, @cd_titles) = @_;
15 $artist->create_related('cds', {
18 }) foreach (@cd_titles);
20 return $artist->cds->all;
23 # Test checking of parameters
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 context
36 is( $schema->storage->{transaction_depth}, 0, 'txn depth starts at 0');
38 my @titles = map {'txn_do test CD ' . $_} (1..5);
39 my $artist = $schema->resultset('Artist')->find(1);
40 my $count_before = $artist->cds->count;
41 my $count_after = $schema->txn_do($code, $artist, @titles);
42 is($count_after, $count_before+5, 'successful txn added 5 cds');
44 title => "txn_do test CD $_",
45 })->first->year, 2006, "new CD $_ year correct") for (1..5);
47 is( $schema->storage->{transaction_depth}, 0, 'txn depth has been reset');
50 # Test successful txn_do() - list context
52 is( $schema->storage->{transaction_depth}, 0, 'txn depth starts at 0');
54 my @titles = map {'txn_do test CD ' . $_} (6..10);
55 my $artist = $schema->resultset('Artist')->find(1);
56 my $count_before = $artist->cds->count;
57 my @cds = $schema->txn_do($code, $artist, @titles);
58 is(scalar @cds, $count_before+5, 'added 5 CDs and returned in list context');
60 title => "txn_do test CD $_",
61 })->first->year, 2006, "new CD $_ year correct") for (6..10);
63 is( $schema->storage->{transaction_depth}, 0, 'txn depth has been reset');
66 # Test nested successful txn_do()
68 is( $schema->storage->{transaction_depth}, 0, 'txn depth starts at 0');
70 my $nested_code = sub {
71 my ($schema, $artist, $code) = @_;
73 my @titles1 = map {'nested txn_do test CD ' . $_} (1..5);
74 my @titles2 = map {'nested txn_do test CD ' . $_} (6..10);
76 $schema->txn_do($code, $artist, @titles1);
77 $schema->txn_do($code, $artist, @titles2);
80 my $artist = $schema->resultset('Artist')->find(2);
81 my $count_before = $artist->cds->count;
84 $schema->txn_do($nested_code, $schema, $artist, $code);
85 }, 'nested txn_do succeeded');
88 title => 'nested txn_do test CD '.$_,
89 })->first->year, 2006, qq{nested txn_do CD$_ year ok}) for (1..10);
90 is($artist->cds->count, $count_before+10, 'nested txn_do added all CDs');
92 is( $schema->storage->{transaction_depth}, 0, 'txn depth has been reset');
97 $artist->create_related('cds', {
98 title => 'this should not exist',
101 die "the sky is falling";
104 # Test failed txn_do()
107 is( $schema->storage->{transaction_depth}, 0, 'txn depth starts at 0');
109 my $artist = $schema->resultset('Artist')->find(3);
112 $schema->txn_do($fail_code, $artist);
113 }, qr/the sky is falling/, 'failed txn_do threw an exception');
115 my $cd = $artist->cds({
116 title => 'this should not exist',
119 ok(!defined($cd), q{failed txn_do didn't change the cds table});
121 is( $schema->storage->{transaction_depth}, 0, 'txn depth has been reset');
124 # do the same transaction again
126 is( $schema->storage->{transaction_depth}, 0, 'txn depth starts at 0');
128 my $artist = $schema->resultset('Artist')->find(3);
131 $schema->txn_do($fail_code, $artist);
132 }, qr/the sky is falling/, 'failed txn_do threw an exception');
134 my $cd = $artist->cds({
135 title => 'this should not exist',
138 ok(!defined($cd), q{failed txn_do didn't change the cds table});
140 is( $schema->storage->{transaction_depth}, 0, 'txn depth has been reset');
143 # Test failed txn_do() with failed rollback
145 is( $schema->storage->{transaction_depth}, 0, 'txn depth starts at 0');
147 my $artist = $schema->resultset('Artist')->find(3);
149 # Force txn_rollback() to throw an exception
150 no warnings 'redefine';
154 local *{"DBIx::Class::Storage::DBI::SQLite::txn_rollback"} = sub{
161 $schema->txn_do($fail_code, $artist);
163 qr/the sky is falling.+Rollback failed/s,
164 'txn_rollback threw a rollback exception (and included the original exception'
167 my $cd = $artist->cds({
168 title => 'this should not exist',
171 isa_ok($cd, 'DBICTest::CD', q{failed txn_do with a failed txn_rollback }.
172 q{changed the cds table});
173 $cd->delete; # Rollback failed
175 title => 'this should not exist',
178 ok(!defined($cd), q{deleted the failed txn's cd});
179 $schema->storage->_dbh->rollback;
182 # reset schema object (the txn_rollback meddling screws it up)
183 $schema = DBICTest->init_schema();
185 # Test nested failed txn_do()
187 is( $schema->storage->{transaction_depth}, 0, 'txn depth starts at 0');
189 my $nested_fail_code = sub {
190 my ($schema, $artist, $code1, $code2) = @_;
192 my @titles = map {'nested txn_do test CD ' . $_} (1..5);
194 $schema->txn_do($code1, $artist, @titles); # successful txn
195 $schema->txn_do($code2, $artist); # failed txn
198 my $artist = $schema->resultset('Artist')->find(3);
201 $schema->txn_do($nested_fail_code, $schema, $artist, $code, $fail_code);
202 }, qr/the sky is falling/, 'nested failed txn_do threw exception');
204 ok(!defined($artist->cds({
205 title => 'nested txn_do test CD '.$_,
207 })->first), qq{failed txn_do didn't add first txn's cd $_}) for (1..5);
208 my $cd = $artist->cds({
209 title => 'this should not exist',
212 ok(!defined($cd), q{failed txn_do didn't add failed txn's cd});
215 # Grab a new schema to test txn before connect
217 my $schema2 = DBICTest->init_schema(no_deploy => 1);
219 $schema2->txn_begin();
220 $schema2->txn_begin();
221 }, 'Pre-connection nested transactions.');
223 # although not connected DBI would still warn about rolling back at disconnect
224 $schema2->txn_rollback;
225 $schema2->txn_rollback;
226 $schema2->storage->disconnect;
228 $schema->storage->disconnect;
230 # Test txn_scope_guard
232 my $schema = DBICTest->init_schema();
234 is($schema->storage->transaction_depth, 0, "Correct transaction depth");
235 my $artist_rs = $schema->resultset('Artist');
237 my $guard = $schema->txn_scope_guard;
241 name => 'Death Cab for Cutie',
246 } qr/No such column made_up_column .*? at .*?81transactions.t line \d+/s, "Error propogated okay";
248 ok(!$artist_rs->find({name => 'Death Cab for Cutie'}), "Artist not created");
250 my $inner_exception = ''; # set in inner() below
253 }, qr/$inner_exception/, "Nested exceptions propogated");
255 ok(!$artist_rs->find({name => 'Death Cab for Cutie'}), "Artist not created");
258 warnings_exist ( sub {
259 # The 0 arg says don't die, just let the scope guard go out of scope
260 # forcing a txn_rollback to happen
262 }, qr/A DBIx::Class::Storage::TxnScopeGuard went out of scope without explicit commit or error. Rolling back./, 'Out of scope warning detected');
263 ok(!$artist_rs->find({name => 'Death Cab for Cutie'}), "Artist not created");
264 }, 'rollback successful withot exception');
269 my $guard = $schema->txn_scope_guard;
270 $schema->resultset('Artist')->create({
271 name => 'Death Cab for Cutie',
277 my ($schema, $fatal) = @_;
279 my $inner_guard = $schema->txn_scope_guard;
280 is($schema->storage->transaction_depth, 2, "Correct transaction depth");
282 my $artist = $artist_rs->find({ name => 'Death Cab for Cutie' });
285 $artist->cds->create({
288 $fatal ? ( foo => 'bar' ) : ()
292 # Record what got thrown so we can test it propgates out properly.
293 $inner_exception = $@;
297 # inner guard should commit without consequences
298 $inner_guard->commit;
302 # make sure the guard does not eat exceptions
304 my $schema = DBICTest->init_schema();
306 my $guard = $schema->txn_scope_guard;
307 $schema->resultset ('Artist')->create ({ name => 'bohhoo'});
309 $schema->storage->disconnect; # this should freak out the guard rollback
311 die 'Deliberate exception';
312 }, qr/Deliberate exception.+Rollback failed/s);
315 # make sure it warns *big* on failed rollbacks
317 my $schema = DBICTest->init_schema();
319 # something is really confusing Test::Warn here, no time to debug
323 my $guard = $schema->txn_scope_guard;
324 $schema->resultset ('Artist')->create ({ name => 'bohhoo'});
326 $schema->storage->disconnect; # this should freak out the guard rollback
329 qr/A DBIx::Class::Storage::TxnScopeGuard went out of scope without explicit commit or error. Rolling back./,
330 qr/\*+ ROLLBACK FAILED\!\!\! \*+/,
332 'proper warnings generated on out-of-scope+rollback failure'
337 qr/A DBIx::Class::Storage::TxnScopeGuard went out of scope without explicit commit or error. Rolling back./,
338 qr/\*+ ROLLBACK FAILED\!\!\! \*+/,
342 local $SIG{__WARN__} = sub {
343 if (grep {$_[0] =~ $_} (@want)) {
351 my $guard = $schema->txn_scope_guard;
352 $schema->resultset ('Artist')->create ({ name => 'bohhoo'});
354 $schema->storage->disconnect; # this should freak out the guard rollback
357 is (@w, 2, 'Both expected warnings found');
360 # make sure AutoCommit => 0 on external handles behaves correctly with scope_guard
362 my $factory = DBICTest->init_schema (AutoCommit => 0);
363 cmp_ok ($factory->resultset('CD')->count, '>', 0, 'Something to delete');
364 my $dbh = $factory->storage->dbh;
366 ok (!$dbh->{AutoCommit}, 'AutoCommit is off on $dbh');
367 my $schema = DBICTest::Schema->connect (sub { $dbh });
371 my $guard = $schema->txn_scope_guard;
372 $schema->resultset('CD')->delete;
374 }, 'No attempt to start a transaction with scope guard');
376 is ($schema->resultset('CD')->count, 0, 'Deletion successful');
379 # make sure AutoCommit => 0 on external handles behaves correctly with txn_do
381 my $factory = DBICTest->init_schema (AutoCommit => 0);
382 cmp_ok ($factory->resultset('CD')->count, '>', 0, 'Something to delete');
383 my $dbh = $factory->storage->dbh;
385 ok (!$dbh->{AutoCommit}, 'AutoCommit is off on $dbh');
386 my $schema = DBICTest::Schema->connect (sub { $dbh });
390 $schema->txn_do (sub { $schema->resultset ('CD')->delete });
391 }, 'No attempt to start a atransaction with txn_do');
393 is ($schema->resultset('CD')->count, 0, 'Deletion successful');