use warnings;
use lib qw(t/lib);
use Test::More;
+use Data::Dump qw/dump/;
BEGIN {
- eval "use DBD::Multi";
+ eval "use Moose";
plan $@
- ? ( skip_all => 'needs DBD::Multi for testing' )
- : ( tests => 18 );
-}
+ ? ( skip_all => 'needs Moose for testing' )
+ : ( tests => 30 );
+}
+
+use_ok 'DBIx::Class::Storage::DBI::Replicated::Pool';
+use_ok 'DBIx::Class::Storage::DBI::Replicated::Balancer';
+use_ok 'DBIx::Class::Storage::DBI::Replicated::Replicant';
+use_ok 'DBIx::Class::Storage::DBI::Replicated';
## ----------------------------------------------------------------------------
## Build a class to hold all our required testing data and methods.
## ----------------------------------------------------------------------------
TESTSCHEMACLASS: {
+
+ package DBIx::Class::DBI::Replicated::TestReplication;
+
+ use DBICTest;
+ use File::Copy;
+
+ use base qw/Class::Accessor::Fast/;
+
+ __PACKAGE__->mk_accessors( qw/schema master_path slave_paths/ );
+
+ ## Initialize the object
+
+ sub new {
+ my $class = shift @_;
+ my $self = $class->SUPER::new(@_);
- package DBIx::Class::DBI::Replication::TestReplication;
+ $self->schema( $self->init_schema );
+ $self->master_path("t/var/DBIxClass.db");
+
+ return $self;
+ }
+
+ ## Get the Schema and set the replication storage type
+
+ sub init_schema {
+ my $class = shift @_;
+ my $schema = DBICTest->init_schema(storage_type=>'::DBI::Replicated');
+ return $schema;
+ }
+
+ ## Return an Array of ArrayRefs where each ArrayRef is suitable to use for
+ ## $storage->connect_info to be used for connecting replicants.
+
+ sub generate_replicant_connect_info {
+ my $self = shift @_;
+ my @dsn = map {
+ "dbi:SQLite:${_}";
+ } @{$self->slave_paths};
+
+ return map { [$_,'','',{}] } @dsn;
+ }
+
+ ## Do a 'good enough' replication by copying the master dbfile over each of
+ ## the slave dbfiles.
+
+ sub replicate {
+ my $self = shift @_;
+ foreach my $slave (@{$self->slave_paths}) {
+ copy($self->master_path, $slave);
+ }
+ }
+
+ ## Cleanup after ourselves. Unlink all gthe slave paths.
+
+ sub cleanup {
+ my $self = shift @_;
+ foreach my $slave (@{$self->slave_paths}) {
+ unlink $slave;
+ }
+ }
+}
+
+## ----------------------------------------------------------------------------
+## Create an object and run some tests
+## ----------------------------------------------------------------------------
+
+## Thi first bunch of tests are basic, just make sure all the bits are behaving
+
+ok my $replicated = DBIx::Class::DBI::Replicated::TestReplication
+ ->new({
+ slave_paths=>[
+ "t/var/DBIxClass_slave1.db",
+ "t/var/DBIxClass_slave2.db",
+ ],
+ }) => 'Created a replication object';
+
+isa_ok $replicated->schema
+ => 'DBIx::Class::Schema';
+
+isa_ok $replicated->schema->storage
+ => 'DBIx::Class::Storage::DBI::Replicated';
+
+ok $replicated->schema->storage->meta
+ => 'has a meta object';
+
+isa_ok $replicated->schema->storage->master
+ => 'DBIx::Class::Storage::DBI';
+
+isa_ok $replicated->schema->storage->pool
+ => 'DBIx::Class::Storage::DBI::Replicated::Pool';
+
+isa_ok $replicated->schema->storage->balancer
+ => 'DBIx::Class::Storage::DBI::Replicated::Balancer';
+
+ok my @replicant_connects = $replicated->generate_replicant_connect_info
+ => 'got replication connect information';
+
+ok my @replicated_storages = $replicated->schema->storage->create_replicants(@replicant_connects)
+ => 'Created some storages suitable for replicants';
+
+isa_ok $replicated->schema->storage->current_replicant
+ => 'DBIx::Class::Storage::DBI';
+
+ok $replicated->schema->storage->pool->has_replicants
+ => 'does have replicants';
+
+is $replicated->schema->storage->num_replicants => 2
+ => 'has two replicants';
+
+isa_ok $replicated_storages[0]
+ => 'DBIx::Class::Storage::DBI::Replicated::Replicant';
+
+isa_ok $replicated_storages[1]
+ => 'DBIx::Class::Storage::DBI::Replicated::Replicant';
+
+isa_ok $replicated->schema->storage->replicants->{"t/var/DBIxClass_slave1.db"}
+ => 'DBIx::Class::Storage::DBI::Replicated::Replicant';
+
+isa_ok $replicated->schema->storage->replicants->{"t/var/DBIxClass_slave2.db"}
+ => 'DBIx::Class::Storage::DBI::Replicated::Replicant';
+
+## Add some info to the database
+
+$replicated
+ ->schema
+ ->populate('Artist', [
+ [ qw/artistid name/ ],
+ [ 4, "Ozric Tentacles"],
+ ]);
+
+## Make sure all the slaves have the table definitions
+
+$replicated->replicate;
+
+## Make sure we can read the data.
+
+ok my $artist1 = $replicated->schema->resultset('Artist')->find(4)
+ => 'Created Result';
+
+isa_ok $artist1
+ => 'DBICTest::Artist';
+
+is $artist1->name, 'Ozric Tentacles'
+ => 'Found expected name for first result';
+
+## Add some new rows that only the master will have This is because
+## we overload any type of write operation so that is must hit the master
+## database.
+
+$replicated
+ ->schema
+ ->populate('Artist', [
+ [ qw/artistid name/ ],
+ [ 5, "Doom's Children"],
+ [ 6, "Dead On Arrival"],
+ [ 7, "Watergate"],
+ ]);
+
+## Alright, the database 'cluster' is not in a consistent state. When we do
+## a read now we expect bad news
+
+is $replicated->schema->resultset('Artist')->find(5), undef
+ => 'read after disconnect fails because it uses a replicant which we have neglected to "replicate" yet';
+
+## Make sure all the slaves have the table definitions
+$replicated->replicate;
+
+## Should find some data now
+
+ok my $artist2 = $replicated->schema->resultset('Artist')->find(5)
+ => 'Sync succeed';
+
+isa_ok $artist2
+ => 'DBICTest::Artist';
+
+is $artist2->name, "Doom's Children"
+ => 'Found expected name for first result';
+
+## What happens when we disconnect all the replicants?
+
+$replicated->schema->storage->replicants->{"t/var/DBIxClass_slave1.db"}->disconnect;
+$replicated->schema->storage->replicants->{"t/var/DBIxClass_slave2.db"}->disconnect;
+
+ok my $artist3 = $replicated->schema->resultset('Artist')->find(6)
+ => 'Still finding stuff.';
+
+isa_ok $artist3
+ => 'DBICTest::Artist';
+
+is $artist3->name, "Dead On Arrival"
+ => 'Found expected name for first result';
+
+
+__END__
+
+## ----------------------------------------------------------------------------
+## Build a class to hold all our required testing data and methods.
+## ----------------------------------------------------------------------------
+
+TESTSCHEMACLASS: {
+
+ package DBIx::Class::DBI::Replicated::TestReplication;
use DBI;
use DBICTest;
sub init_schema {
my $class = shift @_;
my $schema = DBICTest->init_schema();
- $schema->storage_type( '::DBI::Replication' );
+ $schema->storage_type( '::DBI::Replicated' );
return $schema;
}
sub connect {
my $self = shift @_;
my ($master, @slaves) = @{$self->{dsns}};
- my @connections = ([$master, '','', {AutoCommit=>1, PrintError=>0}]);
- my @slavesob;
+ my $master_connect_info = [$master, '','', {AutoCommit=>1, PrintError=>0}];
+ my @slavesob;
foreach my $slave (@slaves)
{
my $dbh = shift @{$self->{slaves}}
|| DBI->connect($slave,"","",{PrintError=>0, PrintWarn=>0});
- push @connections,
+ push @{$master_connect_info->[-1]->{slaves_connect_info}},
[$dbh, '','',{priority=>10}];
push @slavesob,
$self
->{schema}
- ->connect([
- @connections,
- {limit_dialect => 'LimitXY'}
- ]);
+ ->connect(@$master_connect_info);
}
## replication
],
);
-ok my $replicate = DBIx::Class::DBI::Replication::TestReplication->new(%params)
+ok my $replicate = DBIx::Class::DBI::Replicated::TestReplication->new(%params)
=> 'Created a replication object';
isa_ok $replicate->{schema}
## we overload any type of write operation so that is must hit the master
## database.
-use Fcntl qw (:flock);
-
-my $master_path = $replicate->{db_paths}->[0];
-open LOCKFILE, ">>$master_path"
- or die "Cannot open $master_path";
-flock(LOCKFILE, LOCK_EX);
-
$replicate
->{schema}
->populate('Artist', [
ok $@ => 'Got read errors after everything failed';
+## make sure ->connect_info returns something sane
+
+ok $replicate->{schema}->storage->connect_info
+ => 'got something out of ->connect_info';
+
+## Force a connection to the write source for testing.
+
+$replicate->{schema}->storage($replicate->{schema}->storage->write_source);
+
+## What happens when we do a find for something that doesn't exist?
+
+ok ! $replicate->{schema}->resultset('Artist')->find(666)
+ => 'Correctly did not find a bad artist id';
+
## Delete the old database files
$replicate->cleanup;
projects / dbsrgits/DBIx-Class.git / blobdiff