X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=t%2F93storage_replication.t;h=65c236e9468b8bc7f6c228ec4fa63a3bf2b61466;hb=6a151f5877412d2824295071428c52eb4bf646ec;hp=ab2ffe481a00db64bdf9908a89545dcfa4834fcd;hpb=f6ace68909db2a277f2eebece48a149b4e3da293;p=dbsrgits%2FDBIx-Class.git diff --git a/t/93storage_replication.t b/t/93storage_replication.t index ab2ffe4..65c236e 100644 --- a/t/93storage_replication.t +++ b/t/93storage_replication.t @@ -4,12 +4,16 @@ use lib qw(t/lib); use Test::More; use Test::Exception; use DBICTest; +use List::Util 'first'; +use Scalar::Util 'reftype'; +use File::Spec; +use IO::Handle; BEGIN { eval "use DBIx::Class::Storage::DBI::Replicated; use Test::Moose"; plan $@ ? ( skip_all => "Deps not installed: $@" ) - : ( tests => 79 ); + : ( tests => 126 ); } use_ok 'DBIx::Class::Storage::DBI::Replicated::Pool'; @@ -17,6 +21,10 @@ use_ok 'DBIx::Class::Storage::DBI::Replicated::Balancer'; use_ok 'DBIx::Class::Storage::DBI::Replicated::Replicant'; use_ok 'DBIx::Class::Storage::DBI::Replicated'; +use Moose(); +use MooseX::Types(); +diag "Using Moose version $Moose::VERSION and MooseX::Types version $MooseX::Types::VERSION"; + =head1 HOW TO USE This is a test of the replicated storage system. This will work in one of @@ -49,10 +57,10 @@ TESTSCHEMACLASSES: { ## Initialize the object sub new { - my $class = shift @_; + my ($class, $schema_method) = (shift, shift); my $self = $class->SUPER::new(@_); - $self->schema( $self->init_schema ); + $self->schema( $self->init_schema($schema_method) ); return $self; } @@ -62,30 +70,71 @@ TESTSCHEMACLASSES: { # current SQLT SQLite producer does not handle DROP TABLE IF EXISTS, trap warnings here local $SIG{__WARN__} = sub { warn @_ unless $_[0] =~ /no such table.+DROP TABLE/ }; - my $class = shift @_; - - my $schema = DBICTest->init_schema( - sqlite_use_file => 1, - storage_type=>{ - '::DBI::Replicated' => { - balancer_type=>'::Random', - balancer_args=>{ - auto_validate_every=>100, - }, - } - }, - deploy_args=>{ - add_drop_table => 1, - }, - ); + my ($class, $schema_method) = @_; + + my $method = "get_schema_$schema_method"; + my $schema = $class->$method; return $schema; } - + + sub get_schema_by_storage_type { + DBICTest->init_schema( + sqlite_use_file => 1, + storage_type=>{ + '::DBI::Replicated' => { + balancer_type=>'::Random', + balancer_args=>{ + auto_validate_every=>100, + master_read_weight => 1 + }, + } + }, + deploy_args=>{ + add_drop_table => 1, + }, + ); + } + + sub get_schema_by_connect_info { + DBICTest->init_schema( + sqlite_use_file => 1, + storage_type=> '::DBI::Replicated', + balancer_type=>'::Random', + balancer_args=> { + auto_validate_every=>100, + master_read_weight => 1 + }, + deploy_args=>{ + add_drop_table => 1, + }, + ); + } + sub generate_replicant_connect_info {} sub replicate {} sub cleanup {} + ## --------------------------------------------------------------------- ## + ## Add a connect_info option to test option merging. + ## --------------------------------------------------------------------- ## + { + package DBIx::Class::Storage::DBI::Replicated; + + use Moose; + + __PACKAGE__->meta->make_mutable; + + around connect_info => sub { + my ($next, $self, $info) = @_; + $info->[3]{master_option} = 1; + $self->$next($info); + }; + + __PACKAGE__->meta->make_immutable; + + no Moose; + } ## --------------------------------------------------------------------- ## ## Subclass for when you are using SQLite for testing, this provides a fake @@ -98,9 +147,9 @@ TESTSCHEMACLASSES: { use File::Copy; use base 'DBIx::Class::DBI::Replicated::TestReplication'; - __PACKAGE__->mk_accessors( qw/master_path slave_paths/ ); + __PACKAGE__->mk_accessors(qw/master_path slave_paths/); - ## Set the mastep path from DBICTest + ## Set the master path from DBICTest sub new { my $class = shift @_; @@ -108,9 +157,9 @@ TESTSCHEMACLASSES: { $self->master_path( DBICTest->_sqlite_dbfilename ); $self->slave_paths([ - "t/var/DBIxClass_slave1.db", - "t/var/DBIxClass_slave2.db", - ]); + File::Spec->catfile(qw/t var DBIxClass_slave1.db/), + File::Spec->catfile(qw/t var DBIxClass_slave2.db/), + ]); return $self; } @@ -124,9 +173,23 @@ TESTSCHEMACLASSES: { "dbi:SQLite:${_}"; } @{$self->slave_paths}; - return map { [$_,'','',{AutoCommit=>1}] } @dsn; + my @connect_infos = map { [$_,'','',{AutoCommit=>1}] } @dsn; + + ## Make sure nothing is left over from a failed test + $self->cleanup; + + ## try a hashref too + my $c = $connect_infos[0]; + $connect_infos[0] = { + dsn => $c->[0], + user => $c->[1], + password => $c->[2], + %{ $c->[3] } + }; + + @connect_infos } - + ## Do a 'good enough' replication by copying the master dbfile over each of ## the slave dbfiles. If the master is SQLite we do this, otherwise we ## just do a one second pause to let the slaves catch up. @@ -143,7 +206,9 @@ TESTSCHEMACLASSES: { sub cleanup { my $self = shift @_; foreach my $slave (@{$self->slave_paths}) { - unlink $slave; + if(-e $slave) { + unlink $slave; + } } } @@ -185,14 +250,22 @@ my $replicated_class = DBICTest->has_custom_dsn ? 'DBIx::Class::DBI::Replicated::TestReplication::Custom' : 'DBIx::Class::DBI::Replicated::TestReplication::SQLite'; -ok my $replicated = $replicated_class->new - => 'Created a replication object'; - -isa_ok $replicated->schema - => 'DBIx::Class::Schema'; - -isa_ok $replicated->schema->storage - => 'DBIx::Class::Storage::DBI::Replicated'; +my $replicated; + +for my $method (qw/by_connect_info by_storage_type/) { + ok $replicated = $replicated_class->new($method) + => "Created a replication object $method"; + + isa_ok $replicated->schema + => 'DBIx::Class::Schema'; + + isa_ok $replicated->schema->storage + => 'DBIx::Class::Storage::DBI::Replicated'; + + isa_ok $replicated->schema->storage->balancer + => 'DBIx::Class::Storage::DBI::Replicated::Balancer::Random' + => 'configured balancer_type'; +} ok $replicated->schema->storage->meta => 'has a meta object'; @@ -211,10 +284,53 @@ ok my @replicant_connects = $replicated->generate_replicant_connect_info ok my @replicated_storages = $replicated->schema->storage->connect_replicants(@replicant_connects) => 'Created some storages suitable for replicants'; - + +our %debug; +$replicated->schema->storage->debug(1); +$replicated->schema->storage->debugcb(sub { + my ($op, $info) = @_; + ##warn "\n$op, $info\n"; + %debug = ( + op => $op, + info => $info, + dsn => ($info=~m/\[(.+)\]/)[0], + storage_type => $info=~m/REPLICANT/ ? 'REPLICANT' : 'MASTER', + ); +}); + +ok my @all_storages = $replicated->schema->storage->all_storages + => '->all_storages'; + +is scalar @all_storages, + 3 + => 'correct number of ->all_storages'; + +is ((grep $_->isa('DBIx::Class::Storage::DBI'), @all_storages), + 3 + => '->all_storages are correct type'); + +my @all_storage_opts = + grep { (reftype($_)||'') eq 'HASH' } + map @{ $_->_connect_info }, @all_storages; + +is ((grep $_->{master_option}, @all_storage_opts), + 3 + => 'connect_info was merged from master to replicants'); + +my @replicant_names = keys %{ $replicated->schema->storage->replicants }; + +ok @replicant_names, "found replicant names @replicant_names"; + +## Silence warning about not supporting the is_replicating method if using the +## sqlite dbs. +$replicated->schema->storage->debugobj->silence(1) + if first { m{^t/} } @replicant_names; + isa_ok $replicated->schema->storage->balancer->current_replicant - => 'DBIx::Class::Storage::DBI'; - + => 'DBIx::Class::Storage::DBI'; + +$replicated->schema->storage->debugobj->silence(0); + ok $replicated->schema->storage->pool->has_replicants => 'does have replicants'; @@ -227,8 +343,6 @@ does_ok $replicated_storages[0] does_ok $replicated_storages[1] => 'DBIx::Class::Storage::DBI::Replicated::Replicant'; -my @replicant_names = keys %{$replicated->schema->storage->replicants}; - does_ok $replicated->schema->storage->replicants->{$replicant_names[0]} => 'DBIx::Class::Storage::DBI::Replicated::Replicant'; @@ -243,6 +357,11 @@ $replicated [ qw/artistid name/ ], [ 4, "Ozric Tentacles"], ]); + + is $debug{storage_type}, 'MASTER', + "got last query from a master: $debug{dsn}"; + + like $debug{info}, qr/INSERT/, 'Last was an insert'; ## Make sure all the slaves have the table definitions @@ -250,17 +369,50 @@ $replicated->replicate; $replicated->schema->storage->replicants->{$replicant_names[0]}->active(1); $replicated->schema->storage->replicants->{$replicant_names[1]}->active(1); +## Silence warning about not supporting the is_replicating method if using the +## sqlite dbs. +$replicated->schema->storage->debugobj->silence(1) + if first { m{^t/} } @replicant_names; + +$replicated->schema->storage->pool->validate_replicants; + +$replicated->schema->storage->debugobj->silence(0); + ## Make sure we can read the data. ok my $artist1 = $replicated->schema->resultset('Artist')->find(4) => 'Created Result'; +## We removed testing here since master read weight is on, so we can't tell in +## advance what storage to expect. We turn master read weight off a bit lower +## is $debug{storage_type}, 'REPLICANT' +## => "got last query from a replicant: $debug{dsn}, $debug{info}"; + isa_ok $artist1 => 'DBICTest::Artist'; is $artist1->name, 'Ozric Tentacles' => 'Found expected name for first result'; +## Check that master_read_weight is honored +{ + no warnings qw/once redefine/; + + local + *DBIx::Class::Storage::DBI::Replicated::Balancer::Random::_random_number = + sub { 999 }; + + $replicated->schema->storage->balancer->increment_storage; + + is $replicated->schema->storage->balancer->current_replicant, + $replicated->schema->storage->master + => 'master_read_weight is honored'; + + ## turn it off for the duration of the test + $replicated->schema->storage->balancer->master_read_weight(0); + $replicated->schema->storage->balancer->increment_storage; +} + ## Add some new rows that only the master will have This is because ## we overload any type of write operation so that is must hit the master ## database. @@ -274,6 +426,11 @@ $replicated [ 7, "Watergate"], ]); + is $debug{storage_type}, 'MASTER', + "got last query from a master: $debug{dsn}"; + + like $debug{info}, qr/INSERT/, 'Last was an insert'; + ## Make sure all the slaves have the table definitions $replicated->replicate; @@ -281,7 +438,10 @@ $replicated->replicate; ok my $artist2 = $replicated->schema->resultset('Artist')->find(5) => 'Sync succeed'; - + +is $debug{storage_type}, 'REPLICANT' + => "got last query from a replicant: $debug{dsn}"; + isa_ok $artist2 => 'DBICTest::Artist'; @@ -303,7 +463,10 @@ is $replicated->schema->storage->pool->connected_replicants => 0 ok my $artist3 = $replicated->schema->resultset('Artist')->find(6) => 'Still finding stuff.'; - + +is $debug{storage_type}, 'REPLICANT' + => "got last query from a replicant: $debug{dsn}"; + isa_ok $artist3 => 'DBICTest::Artist'; @@ -311,13 +474,16 @@ is $artist3->name, "Dead On Arrival" => 'Found expected name for first result'; is $replicated->schema->storage->pool->connected_replicants => 1 - => "One replicant reconnected to handle the job"; + => "At Least One replicant reconnected to handle the job"; ## What happens when we try to select something that doesn't exist? ok ! $replicated->schema->resultset('Artist')->find(666) => 'Correctly failed to find something.'; - + +is $debug{storage_type}, 'REPLICANT' + => "got last query from a replicant: $debug{dsn}"; + ## test the reliable option TESTRELIABLE: { @@ -326,38 +492,80 @@ TESTRELIABLE: { ok $replicated->schema->resultset('Artist')->find(2) => 'Read from master 1'; - + + is $debug{storage_type}, 'MASTER', + "got last query from a master: $debug{dsn}"; + ok $replicated->schema->resultset('Artist')->find(5) => 'Read from master 2'; - + + is $debug{storage_type}, 'MASTER', + "got last query from a master: $debug{dsn}"; + $replicated->schema->storage->set_balanced_storage; ok $replicated->schema->resultset('Artist')->find(3) => 'Read from replicant'; + + is $debug{storage_type}, 'REPLICANT', + "got last query from a replicant: $debug{dsn}"; } ## Make sure when reliable goes out of scope, we are using replicants again ok $replicated->schema->resultset('Artist')->find(1) => 'back to replicant 1.'; - + + is $debug{storage_type}, 'REPLICANT', + "got last query from a replicant: $debug{dsn}"; + ok $replicated->schema->resultset('Artist')->find(2) => 'back to replicant 2.'; + is $debug{storage_type}, 'REPLICANT', + "got last query from a replicant: $debug{dsn}"; + ## set all the replicants to inactive, and make sure the balancer falls back to ## the master. $replicated->schema->storage->replicants->{$replicant_names[0]}->active(0); $replicated->schema->storage->replicants->{$replicant_names[1]}->active(0); - -ok $replicated->schema->resultset('Artist')->find(2) - => 'Fallback to master'; + +{ + ## catch the fallback to master warning + open my $debugfh, '>', \my $fallback_warning; + my $oldfh = $replicated->schema->storage->debugfh; + $replicated->schema->storage->debugfh($debugfh); + + ok $replicated->schema->resultset('Artist')->find(2) + => 'Fallback to master'; + + is $debug{storage_type}, 'MASTER', + "got last query from a master: $debug{dsn}"; + + like $fallback_warning, qr/falling back to master/ + => 'emits falling back to master warning'; + + $replicated->schema->storage->debugfh($oldfh); +} $replicated->schema->storage->replicants->{$replicant_names[0]}->active(1); $replicated->schema->storage->replicants->{$replicant_names[1]}->active(1); +## Silence warning about not supporting the is_replicating method if using the +## sqlite dbs. +$replicated->schema->storage->debugobj->silence(1) + if first { m{^t/} } @replicant_names; + +$replicated->schema->storage->pool->validate_replicants; + +$replicated->schema->storage->debugobj->silence(0); + ok $replicated->schema->resultset('Artist')->find(2) => 'Returned to replicates'; + +is $debug{storage_type}, 'REPLICANT', + "got last query from a replicant: $debug{dsn}"; ## Getting slave status tests @@ -365,7 +573,7 @@ SKIP: { ## We skip this tests unless you have a custom replicants, since the default ## sqlite based replication tests don't support these functions. - skip 'Cannot Test Replicant Status on Non Replicating Database', 9 + skip 'Cannot Test Replicant Status on Non Replicating Database', 10 unless DBICTest->has_custom_dsn && $ENV{"DBICTEST_SLAVE0_DSN"}; $replicated->replicate; ## Give the slaves a chance to catchup. @@ -421,6 +629,9 @@ SKIP: { ok $replicated->schema->resultset('Artist')->find(5) => 'replicant reactivated'; + + is $debug{storage_type}, 'REPLICANT', + "got last query from a replicant: $debug{dsn}"; is $replicated->schema->storage->pool->active_replicants => 2 => "both replicants reactivated"; @@ -431,7 +642,10 @@ SKIP: { ok my $reliably = sub { ok $replicated->schema->resultset('Artist')->find(5) - => 'replicant reactivated'; + => 'replicant reactivated'; + + is $debug{storage_type}, 'MASTER', + "got last query from a master: $debug{dsn}"; } => 'created coderef properly'; @@ -454,6 +668,8 @@ throws_ok {$replicated->schema->storage->execute_reliably($unreliably)} ok $replicated->schema->resultset('Artist')->find(3) => 'replicant reactivated'; + +is $debug{storage_type}, 'REPLICANT', "got last query from a replicant: $debug{dsn}"; ## make sure transactions are set to execute_reliably @@ -469,11 +685,17 @@ ok my $transaction = sub { ]); ok my $result = $replicated->schema->resultset('Artist')->find($id) - => 'Found expected artist'; - + => "Found expected artist for $id"; + + is $debug{storage_type}, 'MASTER', + "got last query from a master: $debug{dsn}"; + ok my $more = $replicated->schema->resultset('Artist')->find(1) - => 'Found expected artist again'; - + => 'Found expected artist again for 1'; + + is $debug{storage_type}, 'MASTER', + "got last query from a master: $debug{dsn}"; + return ($result, $more); } => 'Created a coderef properly'; @@ -485,18 +707,28 @@ ok my $transaction = sub { is $return[0]->id, 666 => 'first returned value is correct'; + + is $debug{storage_type}, 'MASTER', + "got last query from a master: $debug{dsn}"; is $return[1]->id, 1 => 'second returned value is correct'; + + is $debug{storage_type}, 'MASTER', + "got last query from a master: $debug{dsn}"; + } ## Test that asking for single return works { - ok my $return = $replicated->schema->txn_do($transaction, 777) + ok my @return = $replicated->schema->txn_do($transaction, 777) => 'did transaction'; - is $return->id, 777 + is $return[0]->id, 777 => 'first returned value is correct'; + + is $return[1]->id, 1 + => 'second returned value is correct'; } ## Test transaction returning a single value @@ -505,6 +737,7 @@ ok my $transaction = sub { ok my $result = $replicated->schema->txn_do(sub { ok my $more = $replicated->schema->resultset('Artist')->find(1) => 'found inside a transaction'; + is $debug{storage_type}, 'MASTER', "got last query from a master: $debug{dsn}"; return $more; }) => 'successfully processed transaction'; @@ -516,15 +749,22 @@ ok my $transaction = sub { ok $replicated->schema->resultset('Artist')->find(1) => 'replicant reactivated'; + +is $debug{storage_type}, 'REPLICANT', "got last query from a replicant: $debug{dsn}"; ## Test Discard changes { ok my $artist = $replicated->schema->resultset('Artist')->find(2) => 'got an artist to test discard changes'; - - ok $artist->discard_changes + + is $debug{storage_type}, 'REPLICANT', "got last query from a replicant: $debug{dsn}"; + + ok $artist->get_from_storage({force_pool=>'master'}) => 'properly discard changes'; + + is $debug{storage_type}, 'MASTER', "got last query from a master: $debug{dsn}"; + } ## Test some edge cases, like trying to do a transaction inside a transaction, etc @@ -534,6 +774,7 @@ ok $replicated->schema->resultset('Artist')->find(1) return $replicated->schema->txn_do(sub { ok my $more = $replicated->schema->resultset('Artist')->find(1) => 'found inside a transaction inside a transaction'; + is $debug{storage_type}, 'MASTER', "got last query from a master: $debug{dsn}"; return $more; }); }) => 'successfully processed transaction'; @@ -548,7 +789,8 @@ ok $replicated->schema->resultset('Artist')->find(1) return $replicated->schema->txn_do(sub { return $replicated->schema->storage->execute_reliably(sub { ok my $more = $replicated->schema->resultset('Artist')->find(1) - => 'found inside crazy deep transactions and execute_reliably'; + => 'found inside crazy deep transactions and execute_reliably'; + is $debug{storage_type}, 'MASTER', "got last query from a master: $debug{dsn}"; return $more; }); }); @@ -571,13 +813,26 @@ ok $replicated->schema->resultset('Artist')->find(1) ok my $artist = $reliable_artist_rs->find(2) => 'got an artist result via force_pool storage'; -} - -## Delete the old database files -$replicated->cleanup; - + is $debug{storage_type}, 'MASTER', "got last query from a master: $debug{dsn}"; +} +## Test the force_pool resultset attribute part two. +{ + ok my $artist_rs = $replicated->schema->resultset('Artist') + => 'got artist resultset'; + + ## Turn on Forced Pool Storage + ok my $reliable_artist_rs = $artist_rs->search(undef, {force_pool=>$replicant_names[0]}) + => 'Created a resultset using force_pool storage'; + + ok my $artist = $reliable_artist_rs->find(2) + => 'got an artist result via force_pool storage'; + is $debug{storage_type}, 'REPLICANT', "got last query from a replicant: $debug{dsn}"; +} +## Delete the old database files +$replicated->cleanup; +# vim: sw=4 sts=4 :