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

use strict;
use warnings;

use Test::More;
use Test::Warn;
use Test::Exception;
use lib qw(t/lib);
use DBICTest;

my $schema = DBICTest->init_schema();

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
{
  throws_ok (sub {
    (ref $schema)->txn_do(sub{});
  }, qr/storage/, "can't call txn_do without storage");

  throws_ok ( sub {
    $schema->txn_do('');
  }, qr/must be a CODE reference/, '$coderef parameter check ok');
}

# Test successful txn_do() - scalar context
{
  is( $schema->storage->{transaction_depth}, 0, 'txn depth starts at 0');

  my @titles = map {'txn_do test CD ' . $_} (1..5);
  my $artist = $schema->resultset('Artist')->find(1);
  my $count_before = $artist->cds->count;
  my $count_after = $schema->txn_do($code, $artist, @titles);
  is($count_after, $count_before+5, 'successful txn added 5 cds');
  is($artist->cds({
    title => "txn_do test CD $_",
  })->first->year, 2006, "new CD $_ year correct") for (1..5);

  is( $schema->storage->{transaction_depth}, 0, 'txn depth has been reset');
}

# Test successful txn_do() - list context
{
  is( $schema->storage->{transaction_depth}, 0, 'txn depth starts at 0');

  my @titles = map {'txn_do test CD ' . $_} (6..10);
  my $artist = $schema->resultset('Artist')->find(1);
  my $count_before = $artist->cds->count;
  my @cds = $schema->txn_do($code, $artist, @titles);
  is(scalar @cds, $count_before+5, 'added 5 CDs and returned in list context');
  is($artist->cds({
    title => "txn_do test CD $_",
  })->first->year, 2006, "new CD $_ year correct") for (6..10);

  is( $schema->storage->{transaction_depth}, 0, 'txn depth has been reset');
}

# Test nested successful txn_do()
{
  is( $schema->storage->{transaction_depth}, 0, 'txn depth starts at 0');

  my $nested_code = sub {
    my ($schema, $artist, $code) = @_;

    my @titles1 = map {'nested txn_do test CD ' . $_} (1..5);
    my @titles2 = map {'nested txn_do test CD ' . $_} (6..10);

    $schema->txn_do($code, $artist, @titles1);
    $schema->txn_do($code, $artist, @titles2);
  };

  my $artist = $schema->resultset('Artist')->find(2);
  my $count_before = $artist->cds->count;

  lives_ok (sub {
    $schema->txn_do($nested_code, $schema, $artist, $code);
  }, 'nested txn_do succeeded');

  is($artist->cds({
    title => 'nested txn_do test CD '.$_,
  })->first->year, 2006, qq{nested txn_do CD$_ year ok}) for (1..10);
  is($artist->cds->count, $count_before+10, 'nested txn_do added all CDs');

  is( $schema->storage->{transaction_depth}, 0, 'txn depth has been reset');
}

my $fail_code = sub {
  my ($artist) = @_;
  $artist->create_related('cds', {
    title => 'this should not exist',
    year => 2005,
  });
  die "the sky is falling";
};

# Test failed txn_do()
{

  is( $schema->storage->{transaction_depth}, 0, 'txn depth starts at 0');

  my $artist = $schema->resultset('Artist')->find(3);

  throws_ok (sub {
    $schema->txn_do($fail_code, $artist);
  }, qr/the sky is falling/, 'failed txn_do threw an exception');

  my $cd = $artist->cds({
    title => 'this should not exist',
    year => 2005,
  })->first;
  ok(!defined($cd), q{failed txn_do didn't change the cds table});

  is( $schema->storage->{transaction_depth}, 0, 'txn depth has been reset');
}

# do the same transaction again
{
  is( $schema->storage->{transaction_depth}, 0, 'txn depth starts at 0');

  my $artist = $schema->resultset('Artist')->find(3);

  throws_ok (sub {
    $schema->txn_do($fail_code, $artist);
  }, qr/the sky is falling/, 'failed txn_do threw an exception');

  my $cd = $artist->cds({
    title => 'this should not exist',
    year => 2005,
  })->first;
  ok(!defined($cd), q{failed txn_do didn't change the cds table});

  is( $schema->storage->{transaction_depth}, 0, 'txn depth has been reset');
}

# Test failed txn_do() with failed rollback
{
  is( $schema->storage->{transaction_depth}, 0, 'txn depth starts at 0');

  my $artist = $schema->resultset('Artist')->find(3);

  # Force txn_rollback() to throw an exception
  no warnings 'redefine';
  no strict 'refs';

  # die in rollback, but maintain sanity for further tests ...
  local *{"DBIx::Class::Storage::DBI::SQLite::txn_rollback"} = sub{
    my $storage = shift;
    $storage->{transaction_depth}--;
    die 'FAILED';
  };

  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 = $artist->cds({
    title => 'this should not exist',
    year => 2005,
  })->first;
  isa_ok($cd, 'DBICTest::CD', q{failed txn_do with a failed txn_rollback }.
         q{changed the cds table});
  $cd->delete; # Rollback failed
  $cd = $artist->cds({
    title => 'this should not exist',
    year => 2005,
  })->first;
  ok(!defined($cd), q{deleted the failed txn's cd});
  $schema->storage->_dbh->rollback;
}

# Test nested failed txn_do()
{
  is( $schema->storage->{transaction_depth}, 0, 'txn depth starts at 0');

  my $nested_fail_code = sub {
    my ($schema, $artist, $code1, $code2) = @_;

    my @titles = map {'nested txn_do test CD ' . $_} (1..5);

    $schema->txn_do($code1, $artist, @titles); # successful txn
    $schema->txn_do($code2, $artist);          # failed txn
  };

  my $artist = $schema->resultset('Artist')->find(3);

  throws_ok ( sub {
    $schema->txn_do($nested_fail_code, $schema, $artist, $code, $fail_code);
  }, qr/the sky is falling/, 'nested failed txn_do threw exception');

  ok(!defined($artist->cds({
    title => 'nested txn_do test CD '.$_,
    year => 2006,
  })->first), qq{failed txn_do didn't add first txn's cd $_}) for (1..5);
  my $cd = $artist->cds({
    title => 'this should not exist',
    year => 2005,
  })->first;
  ok(!defined($cd), q{failed txn_do didn't add failed txn's cd});
}

# Grab a new schema to test txn before connect
{
    my $schema2 = DBICTest->init_schema(no_deploy => 1);
    lives_ok (sub {
        $schema2->txn_begin();
        $schema2->txn_begin();
    }, '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 $inner_exception = '';  # set in inner() below
  throws_ok (sub {
    outer($schema, 1);
  }, qr/$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');
}

# 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;
Commit	Line	Data
70350518	1	use strict;
d7ded411	2	use warnings;
70350518	3
70350518	4	use Test::More;
d7ded411	5	use Test::Warn;
3b7f3eac	6	use Test::Exception;
70350518	7	use lib qw(t/lib);
	8	use DBICTest;
	9
a47e1233	10	my $schema = DBICTest->init_schema();
70350518	11
a62cf8d4	12	my $code = sub {
a62cf8d4	13	my ($artist, @cd_titles) = @_;
d7ded411	14
a62cf8d4	15	$artist->create_related('cds', {
	16	title => $_,
	17	year => 2006,
	18	}) foreach (@cd_titles);
d7ded411	19
a62cf8d4	20	return $artist->cds->all;
	21	};
	22
171dadd7	23	# Test checking of parameters
171dadd7	24	{
dd7d4b43	25	throws_ok (sub {
171dadd7	26	(ref $schema)->txn_do(sub{});
dd7d4b43	27	}, qr/storage/, "can't call txn_do without storage");
	28
	29	throws_ok ( sub {
171dadd7	30	$schema->txn_do('');
dd7d4b43	31	}, qr/must be a CODE reference/, '$coderef parameter check ok');
171dadd7	32	}
171dadd7	33
a62cf8d4	34	# Test successful txn_do() - scalar context
a62cf8d4	35	{
57c18b65	36	is( $schema->storage->{transaction_depth}, 0, 'txn depth starts at 0');
57c18b65	37
a62cf8d4	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, $count_before+5, 'successful txn added 5 cds');
	43	is($artist->cds({
	44	title => "txn_do test CD $_",
	45	})->first->year, 2006, "new CD $_ year correct") for (1..5);
57c18b65	46
57c18b65	47	is( $schema->storage->{transaction_depth}, 0, 'txn depth has been reset');
a62cf8d4	48	}
	49
	50	# Test successful txn_do() - list context
	51	{
57c18b65	52	is( $schema->storage->{transaction_depth}, 0, 'txn depth starts at 0');
57c18b65	53
a62cf8d4	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, $count_before+5, 'added 5 CDs and returned in list context');
	59	is($artist->cds({
	60	title => "txn_do test CD $_",
	61	})->first->year, 2006, "new CD $_ year correct") for (6..10);
57c18b65	62
57c18b65	63	is( $schema->storage->{transaction_depth}, 0, 'txn depth has been reset');
a62cf8d4	64	}
	65
	66	# Test nested successful txn_do()
	67	{
57c18b65	68	is( $schema->storage->{transaction_depth}, 0, 'txn depth starts at 0');
57c18b65	69
a62cf8d4	70	my $nested_code = sub {
	71	my ($schema, $artist, $code) = @_;
	72
	73	my @titles1 = map {'nested txn_do test CD ' . $_} (1..5);
	74	my @titles2 = map {'nested txn_do test CD ' . $_} (6..10);
	75
	76	$schema->txn_do($code, $artist, @titles1);
	77	$schema->txn_do($code, $artist, @titles2);
	78	};
	79
	80	my $artist = $schema->resultset('Artist')->find(2);
	81	my $count_before = $artist->cds->count;
	82
dd7d4b43	83	lives_ok (sub {
a62cf8d4	84	$schema->txn_do($nested_code, $schema, $artist, $code);
dd7d4b43	85	}, 'nested txn_do succeeded');
a62cf8d4	86
a62cf8d4	87	is($artist->cds({
	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');
57c18b65	91
57c18b65	92	is( $schema->storage->{transaction_depth}, 0, 'txn depth has been reset');
a62cf8d4	93	}
	94
	95	my $fail_code = sub {
	96	my ($artist) = @_;
	97	$artist->create_related('cds', {
	98	title => 'this should not exist',
	99	year => 2005,
	100	});
	101	die "the sky is falling";
	102	};
	103
	104	# Test failed txn_do()
	105	{
57c18b65	106
	107	is( $schema->storage->{transaction_depth}, 0, 'txn depth starts at 0');
	108
	109	my $artist = $schema->resultset('Artist')->find(3);
	110
dd7d4b43	111	throws_ok (sub {
57c18b65	112	$schema->txn_do($fail_code, $artist);
dd7d4b43	113	}, qr/the sky is falling/, 'failed txn_do threw an exception');
57c18b65	114
57c18b65	115	my $cd = $artist->cds({
	116	title => 'this should not exist',
	117	year => 2005,
	118	})->first;
	119	ok(!defined($cd), q{failed txn_do didn't change the cds table});
	120
	121	is( $schema->storage->{transaction_depth}, 0, 'txn depth has been reset');
	122	}
	123
	124	# do the same transaction again
	125	{
	126	is( $schema->storage->{transaction_depth}, 0, 'txn depth starts at 0');
	127
a62cf8d4	128	my $artist = $schema->resultset('Artist')->find(3);
a62cf8d4	129
dd7d4b43	130	throws_ok (sub {
a62cf8d4	131	$schema->txn_do($fail_code, $artist);
dd7d4b43	132	}, qr/the sky is falling/, 'failed txn_do threw an exception');
a62cf8d4	133
a62cf8d4	134	my $cd = $artist->cds({
	135	title => 'this should not exist',
	136	year => 2005,
	137	})->first;
	138	ok(!defined($cd), q{failed txn_do didn't change the cds table});
57c18b65	139
57c18b65	140	is( $schema->storage->{transaction_depth}, 0, 'txn depth has been reset');
a62cf8d4	141	}
	142
	143	# Test failed txn_do() with failed rollback
	144	{
57c18b65	145	is( $schema->storage->{transaction_depth}, 0, 'txn depth starts at 0');
57c18b65	146
a62cf8d4	147	my $artist = $schema->resultset('Artist')->find(3);
	148
	149	# Force txn_rollback() to throw an exception
	150	no warnings 'redefine';
58d387fe	151	no strict 'refs';
57c18b65	152
	153	# die in rollback, but maintain sanity for further tests ...
	154	local *{"DBIx::Class::Storage::DBI::SQLite::txn_rollback"} = sub{
	155	my $storage = shift;
	156	$storage->{transaction_depth}--;
	157	die 'FAILED';
	158	};
a62cf8d4	159
dd7d4b43	160	throws_ok (
	161	sub {
	162	$schema->txn_do($fail_code, $artist);
	163	},
	164	qr/the sky is falling.+Rollback failed/s,
	165	'txn_rollback threw a rollback exception (and included the original exception'
	166	);
a62cf8d4	167
	168	my $cd = $artist->cds({
	169	title => 'this should not exist',
	170	year => 2005,
	171	})->first;
	172	isa_ok($cd, 'DBICTest::CD', q{failed txn_do with a failed txn_rollback }.
	173	q{changed the cds table});
	174	$cd->delete; # Rollback failed
	175	$cd = $artist->cds({
	176	title => 'this should not exist',
	177	year => 2005,
	178	})->first;
	179	ok(!defined($cd), q{deleted the failed txn's cd});
57c18b65	180	$schema->storage->_dbh->rollback;
a62cf8d4	181	}
	182
	183	# Test nested failed txn_do()
	184	{
57c18b65	185	is( $schema->storage->{transaction_depth}, 0, 'txn depth starts at 0');
57c18b65	186
a62cf8d4	187	my $nested_fail_code = sub {
	188	my ($schema, $artist, $code1, $code2) = @_;
	189
	190	my @titles = map {'nested txn_do test CD ' . $_} (1..5);
	191
	192	$schema->txn_do($code1, $artist, @titles); # successful txn
	193	$schema->txn_do($code2, $artist); # failed txn
	194	};
	195
	196	my $artist = $schema->resultset('Artist')->find(3);
	197
dd7d4b43	198	throws_ok ( sub {
a62cf8d4	199	$schema->txn_do($nested_fail_code, $schema, $artist, $code, $fail_code);
dd7d4b43	200	}, qr/the sky is falling/, 'nested failed txn_do threw exception');
a62cf8d4	201
a62cf8d4	202	ok(!defined($artist->cds({
	203	title => 'nested txn_do test CD '.$_,
	204	year => 2006,
	205	})->first), qq{failed txn_do didn't add first txn's cd $_}) for (1..5);
	206	my $cd = $artist->cds({
	207	title => 'this should not exist',
	208	year => 2005,
	209	})->first;
	210	ok(!defined($cd), q{failed txn_do didn't add failed txn's cd});
	211	}
a62cf8d4	212
291bf95f	213	# Grab a new schema to test txn before connect
	214	{
	215	my $schema2 = DBICTest->init_schema(no_deploy => 1);
dd7d4b43	216	lives_ok (sub {
291bf95f	217	$schema2->txn_begin();
291bf95f	218	$schema2->txn_begin();
dd7d4b43	219	}, 'Pre-connection nested transactions.');
c52c3466	220
	221	# although not connected DBI would still warn about rolling back at disconnect
	222	$schema2->txn_rollback;
	223	$schema2->txn_rollback;
a211cb63	224	$schema2->storage->disconnect;
291bf95f	225	}
a211cb63	226	$schema->storage->disconnect;
3b7f3eac	227
3b7f3eac	228	# Test txn_scope_guard
3b7f3eac	229	{
3b7f3eac	230	my $schema = DBICTest->init_schema();
	231
	232	is($schema->storage->transaction_depth, 0, "Correct transaction depth");
	233	my $artist_rs = $schema->resultset('Artist');
	234	throws_ok {
	235	my $guard = $schema->txn_scope_guard;
	236
	237
	238	$artist_rs->create({
	239	name => 'Death Cab for Cutie',
	240	made_up_column => 1,
	241	});
d7ded411	242
3b7f3eac	243	$guard->commit;
5ee678c8	244	} qr/No such column made_up_column .? at .?81transactions.t line \d+/s, "Error propogated okay";
3b7f3eac	245
	246	ok(!$artist_rs->find({name => 'Death Cab for Cutie'}), "Artist not created");
	247
dd7d4b43	248	my $inner_exception = ''; # set in inner() below
dd7d4b43	249	throws_ok (sub {
3b7f3eac	250	outer($schema, 1);
dd7d4b43	251	}, qr/$inner_exception/, "Nested exceptions propogated");
3b7f3eac	252
	253	ok(!$artist_rs->find({name => 'Death Cab for Cutie'}), "Artist not created");
	254
aab0d3b7	255	lives_ok (sub {
d7ded411	256	warnings_exist ( sub {
257a1d3b	257	# The 0 arg says don't die, just let the scope guard go out of scope
d7ded411	258	# forcing a txn_rollback to happen
d7ded411	259	outer($schema, 0);
771298cf	260	}, qr/A DBIx::Class::Storage::TxnScopeGuard went out of scope without explicit commit or error. Rolling back./, 'Out of scope warning detected');
aab0d3b7	261	ok(!$artist_rs->find({name => 'Death Cab for Cutie'}), "Artist not created");
aab0d3b7	262	}, 'rollback successful withot exception');
3b7f3eac	263
	264	sub outer {
	265	my ($schema) = @_;
aab0d3b7	266
3b7f3eac	267	my $guard = $schema->txn_scope_guard;
	268	$schema->resultset('Artist')->create({
	269	name => 'Death Cab for Cutie',
	270	});
	271	inner(@_);
3b7f3eac	272	}
	273
	274	sub inner {
	275	my ($schema, $fatal) = @_;
aab0d3b7	276
	277	my $inner_guard = $schema->txn_scope_guard;
	278	is($schema->storage->transaction_depth, 2, "Correct transaction depth");
3b7f3eac	279
	280	my $artist = $artist_rs->find({ name => 'Death Cab for Cutie' });
	281
3b7f3eac	282	eval {
257a1d3b	283	$artist->cds->create({
3b7f3eac	284	title => 'Plans',
257a1d3b	285	year => 2005,
3b7f3eac	286	$fatal ? ( foo => 'bar' ) : ()
	287	});
	288	};
	289	if ($@) {
	290	# Record what got thrown so we can test it propgates out properly.
	291	$inner_exception = $@;
	292	die $@;
	293	}
	294
aab0d3b7	295	# inner guard should commit without consequences
aab0d3b7	296	$inner_guard->commit;
3b7f3eac	297	}
3b7f3eac	298	}
d7ded411	299
	300	# make sure the guard does not eat exceptions
	301	{
	302	my $schema = DBICTest->init_schema();
	303	throws_ok (sub {
	304	my $guard = $schema->txn_scope_guard;
	305	$schema->resultset ('Artist')->create ({ name => 'bohhoo'});
	306
	307	$schema->storage->disconnect; # this should freak out the guard rollback
	308
	309	die 'Deliberate exception';
	310	}, qr/Deliberate exception.+Rollback failed/s);
	311	}
	312
83f26263	313	# make sure it warns big on failed rollbacks
83f26263	314	{
c6e27318	315	my $schema = DBICTest->init_schema();
c6e27318	316
36099e8c	317	# something is really confusing Test::Warn here, no time to debug
	318	=begin
	319	warnings_exist (
	320	sub {
771298cf	321	my $guard = $schema->txn_scope_guard;
	322	$schema->resultset ('Artist')->create ({ name => 'bohhoo'});
	323
	324	$schema->storage->disconnect; # this should freak out the guard rollback
771298cf	325	},
83f26263	326	[
	327	qr/A DBIx::Class::Storage::TxnScopeGuard went out of scope without explicit commit or error. Rolling back./,
	328	qr/\+ ROLLBACK FAILED\!\!\! \+/,
	329	],
	330	'proper warnings generated on out-of-scope+rollback failure'
	331	);
36099e8c	332	=cut
	333
	334	my @want = (
	335	qr/A DBIx::Class::Storage::TxnScopeGuard went out of scope without explicit commit or error. Rolling back./,
	336	qr/\+ ROLLBACK FAILED\!\!\! \+/,
	337	);
	338
	339	my @w;
	340	local $SIG{__WARN__} = sub {
	341	if (grep {$_[0] =~ $_} (@want)) {
	342	push @w, $_[0];
	343	}
	344	else {
	345	warn $_[0];
	346	}
	347	};
	348	{
	349	my $guard = $schema->txn_scope_guard;
	350	$schema->resultset ('Artist')->create ({ name => 'bohhoo'});
	351
	352	$schema->storage->disconnect; # this should freak out the guard rollback
	353	}
	354
	355	is (@w, 2, 'Both expected warnings found');
c6e27318	356	}
c6e27318	357
257a1d3b	358	# make sure AutoCommit => 0 on external handles behaves correctly with scope_guard
	359	{
	360	my $factory = DBICTest->init_schema (AutoCommit => 0);
	361	cmp_ok ($factory->resultset('CD')->count, '>', 0, 'Something to delete');
	362	my $dbh = $factory->storage->dbh;
	363
	364	ok (!$dbh->{AutoCommit}, 'AutoCommit is off on $dbh');
	365	my $schema = DBICTest::Schema->connect (sub { $dbh });
	366
	367
	368	lives_ok ( sub {
	369	my $guard = $schema->txn_scope_guard;
	370	$schema->resultset('CD')->delete;
	371	$guard->commit;
	372	}, 'No attempt to start a transaction with scope guard');
	373
	374	is ($schema->resultset('CD')->count, 0, 'Deletion successful');
	375	}
	376
	377	# make sure AutoCommit => 0 on external handles behaves correctly with txn_do
	378	{
	379	my $factory = DBICTest->init_schema (AutoCommit => 0);
	380	cmp_ok ($factory->resultset('CD')->count, '>', 0, 'Something to delete');
	381	my $dbh = $factory->storage->dbh;
	382
	383	ok (!$dbh->{AutoCommit}, 'AutoCommit is off on $dbh');
	384	my $schema = DBICTest::Schema->connect (sub { $dbh });
	385
	386
	387	lives_ok ( sub {
	388	$schema->txn_do (sub { $schema->resultset ('CD')->delete });
	389	}, 'No attempt to start a atransaction with txn_do');
	390
	391	is ($schema->resultset('CD')->count, 0, 'Deletion successful');
	392	}
	393
d7ded411	394	done_testing;