eval "use Moose";
plan $@
? ( skip_all => 'needs Moose for testing' )
- : ( tests => 30 );
+ : ( tests => 33 );
}
use_ok 'DBIx::Class::Storage::DBI::Replicated::Pool';
use DBICTest;
use File::Copy;
+ use Data::Dump qw/dump/;
use base qw/Class::Accessor::Fast/;
}
## Do a 'good enough' replication by copying the master dbfile over each of
- ## the slave dbfiles.
+ ## 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.
sub replicate {
my $self = shift @_;
## What happens when we disconnect all the replicants?
+is $replicated->schema->storage->pool->connected_replicants => 2
+ => "both replicants are connected";
+
$replicated->schema->storage->replicants->{"t/var/DBIxClass_slave1.db"}->disconnect;
$replicated->schema->storage->replicants->{"t/var/DBIxClass_slave2.db"}->disconnect;
+is $replicated->schema->storage->pool->connected_replicants => 0
+ => "both replicants are now disconnected";
+
+## All these should pass, since the database should automatically reconnect
+
ok my $artist3 = $replicated->schema->resultset('Artist')->find(6)
=> 'Still finding stuff.';
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;
- use File::Copy;
-
- ## Create a constructor
-
- sub new {
- my $class = shift @_;
- my %params = @_;
-
- my $self = bless {
- db_paths => $params{db_paths},
- dsns => $class->init_dsns(%params),
- schema=>$class->init_schema,
- }, $class;
-
- $self->connect;
- return $self;
- }
-
- ## get the DSNs. We build this up from the list of file paths
-
- sub init_dsns {
- my $class = shift @_;
- my %params = @_;
- my $db_paths = $params{db_paths};
-
- my @dsn = map {
- "dbi:SQLite:${_}";
- } @$db_paths;
-
- return \@dsn;
- }
-
- ## get the Schema and set the replication storage type
-
- sub init_schema {
- my $class = shift @_;
- my $schema = DBICTest->init_schema();
- $schema->storage_type( '::DBI::Replicated' );
-
- return $schema;
- }
-
- ## connect the Schema
-
- sub connect {
- my $self = shift @_;
- my ($master, @slaves) = @{$self->{dsns}};
- my $master_connect_info = [$master, '','', {AutoCommit=>1, PrintError=>0}];
-
- my @slavesob;
- foreach my $slave (@slaves)
- {
- my $dbh = shift @{$self->{slaves}}
- || DBI->connect($slave,"","",{PrintError=>0, PrintWarn=>0});
-
- push @{$master_connect_info->[-1]->{slaves_connect_info}},
- [$dbh, '','',{priority=>10}];
-
- push @slavesob,
- $dbh;
- }
-
- ## Keep track of the created slave databases
- $self->{slaves} = \@slavesob;
-
- $self
- ->{schema}
- ->connect(@$master_connect_info);
- }
-
- ## replication
-
- sub replicate {
- my $self = shift @_;
- my ($master, @slaves) = @{$self->{db_paths}};
-
- foreach my $slave (@slaves) {
- copy($master, $slave);
- }
- }
-
- ## Cleanup afer ourselves.
-
- sub cleanup {
- my $self = shift @_;
- my ($master, @slaves) = @{$self->{db_paths}};
-
- foreach my $slave (@slaves) {
- unlink $slave;
- }
- }
-
- ## Force a reconnection
-
- sub reconnect {
- my $self = shift @_;
- my $schema = $self->connect;
- $self->{schema} = $schema;
- return $schema;
- }
-}
-
-## ----------------------------------------------------------------------------
-## Create an object and run some tests
-## ----------------------------------------------------------------------------
-
-my %params = (
- db_paths => [
- "t/var/DBIxClass.db",
- "t/var/DBIxClass_slave1.db",
- "t/var/DBIxClass_slave2.db",
- ],
-);
-
-ok my $replicate = DBIx::Class::DBI::Replicated::TestReplication->new(%params)
- => 'Created a replication object';
-
-isa_ok $replicate->{schema}
- => 'DBIx::Class::Schema';
-
-## Add some info to the database
-
-$replicate
- ->{schema}
- ->populate('Artist', [
- [ qw/artistid name/ ],
- [ 4, "Ozric Tentacles"],
- ]);
-
-## Make sure all the slaves have the table definitions
-
-$replicate->replicate;
-
-## Make sure we can read the data.
-
-ok my $artist1 = $replicate->{schema}->resultset('Artist')->find(4)
- => 'Created Result';
-
-isa_ok $artist1
- => 'DBICTest::Artist';
-
-is $artist1->name, 'Ozric Tentacles'
- => 'Found expected name for first result';
-
-## Add some new rows that only the master will have This is because
-## we overload any type of write operation so that is must hit the master
-## database.
-
-$replicate
- ->{schema}
- ->populate('Artist', [
- [ qw/artistid name/ ],
- [ 5, "Doom's Children"],
- [ 6, "Dead On Arrival"],
- [ 7, "Watergate"],
- ]);
-
-## Reconnect the database
-$replicate->reconnect;
-
-## Alright, the database 'cluster' is not in a consistent state. When we do
-## a read now we expect bad news
-
-is $replicate->{schema}->resultset('Artist')->find(5), undef
- => 'read after disconnect fails because it uses slave 1 which we have neglected to "replicate" yet';
-
-## Make sure all the slaves have the table definitions
-$replicate->replicate;
-
-## Should find some data now
-
-ok my $artist2 = $replicate->{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 delete one of the slaves?
-
-ok my $slave1 = @{$replicate->{slaves}}[0]
- => 'Got Slave1';
-
-ok $slave1->disconnect
- => 'disconnected slave1';
-
-$replicate->reconnect;
-
-ok my $artist3 = $replicate->{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';
-
-## Let's delete all the slaves
-
-ok my $slave2 = @{$replicate->{slaves}}[1]
- => 'Got Slave2';
-
-ok $slave2->disconnect
- => 'Disconnected slave2';
-
-$replicate->reconnect;
-
-## We expect an error now, since all the slaves are dead
-
-eval {
- $replicate->{schema}->resultset('Artist')->find(4)->name;
-};
-
-ok $@ => 'Got error when trying to find artistid 4';
-
-## This should also be an error
-
-eval {
- my $artist4 = $replicate->{schema}->resultset('Artist')->find(7);
-};
-
-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';
+is $replicated->schema->storage->pool->connected_replicants => 1
+ => "One replicant reconnected to handle the job";
## Delete the old database files
-$replicate->cleanup;
+$replicated->cleanup;
projects / dbsrgits/DBIx-Class.git / blobdiff