Even better localization of $@, and don't use Test::Warn for the time being, as somet...

[dbsrgits/DBIx-Class.git] / t / 81transactions.t

diff --git a/t/81transactions.t b/t/81transactions.t
index b0054af..c1300de 100644 (file)
--- a/t/81transactions.t
+++ b/t/81transactions.t
@@ -1,22 +1,22 @@
 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 => 54;
-
 my $code = sub {
   my ($artist, @cd_titles) = @_;
-  
+
   $artist->create_related('cds', {
     title => $_,
     year => 2006,
   }) foreach (@cd_titles);
-  
+
   return $artist->cds->all;
 };
 
@@ -234,5 +234,144 @@ my $fail_code = sub {
         $schema2->txn_begin();
     };
     my $err = $@;
-    ok(($err eq ''), 'Pre-connection nested transactions.');
+    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;