/**
* @test
*/
public function setMasterReplicaGetMasterReplica()
{
$config = new ConfigService();
$config->addMaster($this->_correct1);
$config->addReplica($this->_correct2);
$this->assertSame($this->_correct1, $config->getMaster());
$this->assertSame($this->_correct2, $config->getReplica());
}
/**
* IMPORTANT: to write-then-read slave lag issues, when a master database
* has already been selected, continue using it instead of creating a replica connection
*
* @return PDO
*/
public function getReplica()
{
if ($this->isUsingMaster()) {
return $this->_master;
}
if (empty($this->_replica)) {
$config = null;
try {
$config = $this->_config->getReplica();
} catch (ConfigMissingException $e) {
return $this->getMaster();
}
$this->_replica = $this->_buildAdapter($config);
}
// if !replica
return $this->_replica;
}
/**
* @test
*/
public function closeOpenedConnectionMasterOverride()
{
$config = new ConfigService();
$config->addMaster($this->_db_config1);
$config->addReplica($this->_db_config2);
$connect = $this->getMockBuilder(ConnectionService::class)->setMethods(['_createConnection'])->setConstructorArgs([$config])->getMock();
$callback = function () {
return new PPDO();
};
$connect->expects($this->any())->method('_createConnection')->will($this->returnCallback($callback));
// Order here is important, otherwise master will be returned in both cases
$connect->getReplica();
$master = $connect->getMaster();
$replica = $connect->getReplica();
// Master override in effect
$this->assertSame($master, $replica);
$this->assertEquals(2, $connect->closeOpenedConnections());
$this->assertEquals(0, $connect->closeOpenedConnections());
}
