[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
  local *{"DBIx::Class::Storage::DBI::SQLite::txn_rollback"} = sub{
    my $storage = shift;
    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;
}

# reset schema object (the txn_rollback meddling screws it up)
$schema = DBICTest->init_schema();

# 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
fb61e30c	153	# die in rollback
57c18b65	154	local *{"DBIx::Class::Storage::DBI::SQLite::txn_rollback"} = sub{
57c18b65	155	my $storage = shift;
57c18b65	156	die 'FAILED';
57c18b65	157	};
a62cf8d4	158
dd7d4b43	159	throws_ok (
	160	sub {
	161	$schema->txn_do($fail_code, $artist);
	162	},
	163	qr/the sky is falling.+Rollback failed/s,
	164	'txn_rollback threw a rollback exception (and included the original exception'
	165	);
a62cf8d4	166
	167	my $cd = $artist->cds({
	168	title => 'this should not exist',
	169	year => 2005,
	170	})->first;
	171	isa_ok($cd, 'DBICTest::CD', q{failed txn_do with a failed txn_rollback }.
	172	q{changed the cds table});
	173	$cd->delete; # Rollback failed
	174	$cd = $artist->cds({
	175	title => 'this should not exist',
	176	year => 2005,
	177	})->first;
	178	ok(!defined($cd), q{deleted the failed txn's cd});
57c18b65	179	$schema->storage->_dbh->rollback;
a62cf8d4	180	}
a62cf8d4	181
fb61e30c	182	# reset schema object (the txn_rollback meddling screws it up)
	183	$schema = DBICTest->init_schema();
	184
a62cf8d4	185	# Test nested failed txn_do()
a62cf8d4	186	{
57c18b65	187	is( $schema->storage->{transaction_depth}, 0, 'txn depth starts at 0');
57c18b65	188
a62cf8d4	189	my $nested_fail_code = sub {
	190	my ($schema, $artist, $code1, $code2) = @_;
	191
	192	my @titles = map {'nested txn_do test CD ' . $_} (1..5);
	193
	194	$schema->txn_do($code1, $artist, @titles); # successful txn
	195	$schema->txn_do($code2, $artist); # failed txn
	196	};
	197
	198	my $artist = $schema->resultset('Artist')->find(3);
	199
dd7d4b43	200	throws_ok ( sub {
a62cf8d4	201	$schema->txn_do($nested_fail_code, $schema, $artist, $code, $fail_code);
dd7d4b43	202	}, qr/the sky is falling/, 'nested failed txn_do threw exception');
a62cf8d4	203
a62cf8d4	204	ok(!defined($artist->cds({
	205	title => 'nested txn_do test CD '.$_,
	206	year => 2006,
	207	})->first), qq{failed txn_do didn't add first txn's cd $_}) for (1..5);
	208	my $cd = $artist->cds({
	209	title => 'this should not exist',
	210	year => 2005,
	211	})->first;
	212	ok(!defined($cd), q{failed txn_do didn't add failed txn's cd});
	213	}
a62cf8d4	214
291bf95f	215	# Grab a new schema to test txn before connect
	216	{
	217	my $schema2 = DBICTest->init_schema(no_deploy => 1);
dd7d4b43	218	lives_ok (sub {
291bf95f	219	$schema2->txn_begin();
291bf95f	220	$schema2->txn_begin();
dd7d4b43	221	}, 'Pre-connection nested transactions.');
c52c3466	222
	223	# although not connected DBI would still warn about rolling back at disconnect
	224	$schema2->txn_rollback;
	225	$schema2->txn_rollback;
a211cb63	226	$schema2->storage->disconnect;
291bf95f	227	}
a211cb63	228	$schema->storage->disconnect;
3b7f3eac	229
3b7f3eac	230	# Test txn_scope_guard
3b7f3eac	231	{
3b7f3eac	232	my $schema = DBICTest->init_schema();
	233
	234	is($schema->storage->transaction_depth, 0, "Correct transaction depth");
	235	my $artist_rs = $schema->resultset('Artist');
	236	throws_ok {
	237	my $guard = $schema->txn_scope_guard;
	238
	239
	240	$artist_rs->create({
	241	name => 'Death Cab for Cutie',
	242	made_up_column => 1,
	243	});
d7ded411	244
3b7f3eac	245	$guard->commit;
5ee678c8	246	} qr/No such column made_up_column .? at .?81transactions.t line \d+/s, "Error propogated okay";
3b7f3eac	247
	248	ok(!$artist_rs->find({name => 'Death Cab for Cutie'}), "Artist not created");
	249
dd7d4b43	250	my $inner_exception = ''; # set in inner() below
dd7d4b43	251	throws_ok (sub {
3b7f3eac	252	outer($schema, 1);
dd7d4b43	253	}, qr/$inner_exception/, "Nested exceptions propogated");
3b7f3eac	254
	255	ok(!$artist_rs->find({name => 'Death Cab for Cutie'}), "Artist not created");
	256
aab0d3b7	257	lives_ok (sub {
d7ded411	258	warnings_exist ( sub {
257a1d3b	259	# The 0 arg says don't die, just let the scope guard go out of scope
d7ded411	260	# forcing a txn_rollback to happen
d7ded411	261	outer($schema, 0);
771298cf	262	}, qr/A DBIx::Class::Storage::TxnScopeGuard went out of scope without explicit commit or error. Rolling back./, 'Out of scope warning detected');
aab0d3b7	263	ok(!$artist_rs->find({name => 'Death Cab for Cutie'}), "Artist not created");
aab0d3b7	264	}, 'rollback successful withot exception');
3b7f3eac	265
	266	sub outer {
	267	my ($schema) = @_;
aab0d3b7	268
3b7f3eac	269	my $guard = $schema->txn_scope_guard;
	270	$schema->resultset('Artist')->create({
	271	name => 'Death Cab for Cutie',
	272	});
	273	inner(@_);
3b7f3eac	274	}
	275
	276	sub inner {
	277	my ($schema, $fatal) = @_;
aab0d3b7	278
	279	my $inner_guard = $schema->txn_scope_guard;
	280	is($schema->storage->transaction_depth, 2, "Correct transaction depth");
3b7f3eac	281
	282	my $artist = $artist_rs->find({ name => 'Death Cab for Cutie' });
	283
3b7f3eac	284	eval {
257a1d3b	285	$artist->cds->create({
3b7f3eac	286	title => 'Plans',
257a1d3b	287	year => 2005,
3b7f3eac	288	$fatal ? ( foo => 'bar' ) : ()
	289	});
	290	};
	291	if ($@) {
	292	# Record what got thrown so we can test it propgates out properly.
	293	$inner_exception = $@;
	294	die $@;
	295	}
	296
aab0d3b7	297	# inner guard should commit without consequences
aab0d3b7	298	$inner_guard->commit;
3b7f3eac	299	}
3b7f3eac	300	}
d7ded411	301
	302	# make sure the guard does not eat exceptions
	303	{
	304	my $schema = DBICTest->init_schema();
	305	throws_ok (sub {
	306	my $guard = $schema->txn_scope_guard;
	307	$schema->resultset ('Artist')->create ({ name => 'bohhoo'});
	308
	309	$schema->storage->disconnect; # this should freak out the guard rollback
	310
	311	die 'Deliberate exception';
	312	}, qr/Deliberate exception.+Rollback failed/s);
	313	}
	314
83f26263	315	# make sure it warns big on failed rollbacks
83f26263	316	{
c6e27318	317	my $schema = DBICTest->init_schema();
c6e27318	318
36099e8c	319	# something is really confusing Test::Warn here, no time to debug
	320	=begin
	321	warnings_exist (
	322	sub {
771298cf	323	my $guard = $schema->txn_scope_guard;
	324	$schema->resultset ('Artist')->create ({ name => 'bohhoo'});
	325
	326	$schema->storage->disconnect; # this should freak out the guard rollback
771298cf	327	},
83f26263	328	[
	329	qr/A DBIx::Class::Storage::TxnScopeGuard went out of scope without explicit commit or error. Rolling back./,
	330	qr/\+ ROLLBACK FAILED\!\!\! \+/,
	331	],
	332	'proper warnings generated on out-of-scope+rollback failure'
	333	);
36099e8c	334	=cut
	335
	336	my @want = (
	337	qr/A DBIx::Class::Storage::TxnScopeGuard went out of scope without explicit commit or error. Rolling back./,
	338	qr/\+ ROLLBACK FAILED\!\!\! \+/,
	339	);
	340
	341	my @w;
	342	local $SIG{__WARN__} = sub {
	343	if (grep {$_[0] =~ $_} (@want)) {
	344	push @w, $_[0];
	345	}
	346	else {
	347	warn $_[0];
	348	}
	349	};
	350	{
	351	my $guard = $schema->txn_scope_guard;
	352	$schema->resultset ('Artist')->create ({ name => 'bohhoo'});
	353
	354	$schema->storage->disconnect; # this should freak out the guard rollback
	355	}
	356
	357	is (@w, 2, 'Both expected warnings found');
c6e27318	358	}
c6e27318	359
257a1d3b	360	# make sure AutoCommit => 0 on external handles behaves correctly with scope_guard
	361	{
	362	my $factory = DBICTest->init_schema (AutoCommit => 0);
	363	cmp_ok ($factory->resultset('CD')->count, '>', 0, 'Something to delete');
	364	my $dbh = $factory->storage->dbh;
	365
	366	ok (!$dbh->{AutoCommit}, 'AutoCommit is off on $dbh');
	367	my $schema = DBICTest::Schema->connect (sub { $dbh });
	368
	369
	370	lives_ok ( sub {
	371	my $guard = $schema->txn_scope_guard;
	372	$schema->resultset('CD')->delete;
	373	$guard->commit;
	374	}, 'No attempt to start a transaction with scope guard');
	375
	376	is ($schema->resultset('CD')->count, 0, 'Deletion successful');
	377	}
	378
	379	# make sure AutoCommit => 0 on external handles behaves correctly with txn_do
	380	{
	381	my $factory = DBICTest->init_schema (AutoCommit => 0);
	382	cmp_ok ($factory->resultset('CD')->count, '>', 0, 'Something to delete');
	383	my $dbh = $factory->storage->dbh;
	384
	385	ok (!$dbh->{AutoCommit}, 'AutoCommit is off on $dbh');
	386	my $schema = DBICTest::Schema->connect (sub { $dbh });
	387
	388
	389	lives_ok ( sub {
	390	$schema->txn_do (sub { $schema->resultset ('CD')->delete });
	391	}, 'No attempt to start a atransaction with txn_do');
	392
	393	is ($schema->resultset('CD')->count, 0, 'Deletion successful');
	394	}
	395
d7ded411	396	done_testing;