10 # Test txn_scope_guard
12 my $schema = DBICTest->init_schema();
14 is($schema->storage->transaction_depth, 0, "Correct transaction depth");
15 my $artist_rs = $schema->resultset('Artist');
19 my $guard = $schema->txn_scope_guard;
22 name => 'Death Cab for Cutie',
27 } qr/No such column 'made_up_column' .*? at .*?\Q$fn\E line \d+/s, "Error propogated okay";
29 ok(!$artist_rs->find({name => 'Death Cab for Cutie'}), "Artist not created");
31 my $inner_exception = ''; # set in inner() below
34 }, qr/$inner_exception/, "Nested exceptions propogated");
36 ok(!$artist_rs->find({name => 'Death Cab for Cutie'}), "Artist not created");
40 # this weird assignment is to stop perl <= 5.8.9 leaking $schema on nested sub{}s
43 warnings_exist ( sub {
44 # The 0 arg says don't die, just let the scope guard go out of scope
45 # forcing a txn_rollback to happen
47 }, qr/A DBIx::Class::Storage::TxnScopeGuard went out of scope without explicit commit or error. Rolling back./, 'Out of scope warning detected');
49 ok(!$artist_rs->find({name => 'Death Cab for Cutie'}), "Artist not created");
51 }, 'rollback successful withot exception');
54 my ($schema, $fatal) = @_;
56 my $guard = $schema->txn_scope_guard;
57 $schema->resultset('Artist')->create({
58 name => 'Death Cab for Cutie',
60 inner($schema, $fatal);
64 my ($schema, $fatal) = @_;
66 my $inner_guard = $schema->txn_scope_guard;
67 is($schema->storage->transaction_depth, 2, "Correct transaction depth");
69 my $artist = $schema->resultset('Artist')->find({ name => 'Death Cab for Cutie' });
72 $artist->cds->create({
75 $fatal ? ( foo => 'bar' ) : ()
79 # Record what got thrown so we can test it propgates out properly.
80 $inner_exception = $@;
84 # inner guard should commit without consequences
89 # make sure the guard does not eat exceptions
91 my $schema = DBICTest->init_schema;
94 no warnings 'redefine';
96 local *{DBIx::Class::Storage::DBI::txn_rollback} = sub { die 'die die my darling' };
97 Class::C3->reinitialize() if DBIx::Class::_ENV_::OLD_MRO;
100 my $guard = $schema->txn_scope_guard;
101 $schema->resultset ('Artist')->create ({ name => 'bohhoo'});
103 # this should freak out the guard rollback
104 # but it won't work because DBD::SQLite is buggy
105 # instead just install a toxic rollback above
106 #$schema->storage->_dbh( $schema->storage->_dbh->clone );
108 die 'Deliberate exception';
110 ? qr/Deliberate exception/s # temporary until we get the generic exception wrapper rolling
111 : qr/Deliberate exception.+Rollback failed/s
114 # just to mask off warning since we could not disconnect above
115 $schema->storage->_dbh->disconnect;
118 # make sure it warns *big* on failed rollbacks
119 # test with and without a poisoned $@
120 for my $pre_poison (0,1) {
121 for my $post_poison (0,1) {
123 my $schema = DBICTest->init_schema(no_populate => 1);
126 no warnings 'redefine';
127 local *{DBIx::Class::Storage::DBI::txn_rollback} = sub { die 'die die my darling' };
128 Class::C3->reinitialize() if DBIx::Class::_ENV_::OLD_MRO;
130 #The warn from within a DESTROY callback freaks out Test::Warn, do it old-school
134 my $guard = $schema->txn_scope_guard;
135 $schema->resultset ('Artist')->create ({ name => 'bohhoo'});
137 # this should freak out the guard rollback
138 # but it won't work because DBD::SQLite is buggy
139 # instead just install a toxic rollback above
140 #$schema->storage->_dbh( $schema->storage->_dbh->clone );
143 qr/A DBIx::Class::Storage::TxnScopeGuard went out of scope without explicit commit or error. Rolling back./,
144 qr/\*+ ROLLBACK FAILED\!\!\! \*+/,
146 'proper warnings generated on out-of-scope+rollback failure'
150 # delete this once the above works properly (same test)
152 qr/A DBIx::Class::Storage::TxnScopeGuard went out of scope without explicit commit or error. Rolling back./,
153 qr/\*+ ROLLBACK FAILED\!\!\! \*+/,
157 local $SIG{__WARN__} = sub {
158 if (grep {$_[0] =~ $_} (@want)) {
167 eval { die 'pre-GIFT!' if $pre_poison };
168 my $guard = $schema->txn_scope_guard;
169 eval { die 'post-GIFT!' if $post_poison };
170 $schema->resultset ('Artist')->create ({ name => 'bohhoo'});
173 local $TODO = 'Do not know how to deal with trapped exceptions occuring after guard instantiation...'
174 if ( $post_poison and (
175 # take no chances on installation
176 ( DBICTest::RunMode->is_plain and ($ENV{TRAVIS}||'') ne 'true' )
181 # I do not underdtand why but on <= 5.8.8 and $pre_poison && $post_poison passes...
185 is (@w, 2, "Both expected warnings found - \$\@ pre-poison: $pre_poison, post-poison: $post_poison" );
187 # just to mask off warning since we could not disconnect above
188 $schema->storage->_dbh->disconnect;
191 # add a TODO to catch when Text::Balanced is finally fixed
192 # https://rt.cpan.org/Public/Bug/Display.html?id=74994
194 # while it doesn't matter much for DBIC itself, this particular bug
195 # is a *BANE*, and DBIC is to bump its dep as soon as possible
198 require Text::Balanced;
202 local $TODO = 'RT#74994 *STILL* not fixed';
205 # this is what poisons $@
206 Text::Balanced::extract_bracketed( '(foo', '()' );
208 my $s = DBICTest->init_schema( deploy => 0 );
209 my $g = $s->txn_scope_guard;
212 } 'Text::Balanced is no longer screwing up $@';
215 # delete all of this when T::B dep is bumped
216 unless ($great_success) {
218 # hacky workaround for desperate folk
219 # intended to be copypasted into your app
221 require Text::Balanced;
226 # this is what poisons $@
227 Text::Balanced::extract_bracketed( '(foo', '()' );
229 if ($@ and overload::Overloaded($@) and ! overload::Method($@,'fallback') ) {
231 eval "package $class; overload->import(fallback => 1);"
234 # end of hacky workaround
237 # this is what poisons $@
238 Text::Balanced::extract_bracketed( '(foo', '()' );
240 my $s = DBICTest->init_schema( deploy => 0 );
241 my $g = $s->txn_scope_guard;
243 } 'Monkeypatched Text::Balanced is no longer screwing up $@';