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predis/tests/Predis/Connection/Aggregate/MasterSlaveReplicationTest.php
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2014-07-27 21:57:50 +02:00

595 lines
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PHP

<?php
/*
* This file is part of the Predis package.
*
* (c) Daniele Alessandri <suppakilla@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Predis\Connection\Aggregate;
use PredisTestCase;
use Predis\Connection;
use Predis\Profile;
use Predis\Replication\ReplicationStrategy;
/**
*
*/
class MasterSlaveReplicationTest extends PredisTestCase
{
/**
* @group disconnected
*/
public function testAddingConnectionsToReplication()
{
$master = $this->getMockConnection('tcp://host1?alias=master');
$slave1 = $this->getMockConnection('tcp://host2?alias=slave1');
$slave2 = $this->getMockConnection('tcp://host3?alias=slave2');
$replication = new MasterSlaveReplication();
$replication->add($master);
$replication->add($slave1);
$replication->add($slave2);
$this->assertSame($master, $replication->getConnectionById('master'));
$this->assertSame($slave1, $replication->getConnectionById('slave1'));
$this->assertSame($slave2, $replication->getConnectionById('slave2'));
$this->assertSame($master, $replication->getMaster());
$this->assertSame(array($slave1, $slave2), $replication->getSlaves());
}
/**
* @group disconnected
*/
public function testRemovingConnectionsFromReplication()
{
$master = $this->getMockConnection('tcp://host1?alias=master');
$slave1 = $this->getMockConnection('tcp://host2?alias=slave1');
$slave2 = $this->getMockConnection('tcp://host3?alias=slave2');
$replication = new MasterSlaveReplication();
$replication->add($master);
$replication->add($slave1);
$this->assertTrue($replication->remove($slave1));
$this->assertFalse($replication->remove($slave2));
$this->assertSame($master, $replication->getMaster());
$this->assertSame(array(), $replication->getSlaves());
}
/**
* @group disconnected
* @expectedException \RuntimeException
* @expectedExceptionMessage Replication needs one master and at least one slave.
*/
public function testThrowsExceptionOnEmptyReplication()
{
$replication = new MasterSlaveReplication();
$replication->connect();
}
/**
* @group disconnected
* @expectedException \RuntimeException
* @expectedExceptionMessage Replication needs one master and at least one slave.
*/
public function testThrowsExceptionOnMissingMaster()
{
$replication = new MasterSlaveReplication();
$replication->add($this->getMockConnection('tcp://host2?alias=slave1'));
$replication->connect();
}
/**
* @group disconnected
* @expectedException \RuntimeException
* @expectedExceptionMessage Replication needs one master and at least one slave.
*/
public function testThrowsExceptionOnMissingSlave()
{
$replication = new MasterSlaveReplication();
$replication->add($this->getMockConnection('tcp://host1?alias=master'));
$replication->connect();
}
/**
* @group disconnected
*/
public function testConnectForcesConnectionToOneOfSlaves()
{
$master = $this->getMockConnection('tcp://host1?alias=master');
$master->expects($this->never())->method('connect');
$slave = $this->getMockConnection('tcp://host2?alias=slave1');
$slave->expects($this->once())->method('connect');
$replication = new MasterSlaveReplication();
$replication->add($master);
$replication->add($slave);
$replication->connect();
}
/**
* @group disconnected
*/
public function testIsConnectedReturnsTrueIfAtLeastOneConnectionIsOpen()
{
$master = $this->getMockConnection('tcp://host1?alias=master');
$master->expects($this->never())->method('isConnected')->will($this->returnValue(false));
$slave = $this->getMockConnection('tcp://host2?alias=slave1');
$slave->expects($this->once())->method('isConnected')->will($this->returnValue(true));
$replication = new MasterSlaveReplication();
$replication->add($master);
$replication->add($slave);
$replication->connect();
$this->assertTrue($replication->isConnected());
}
/**
* @group disconnected
*/
public function testIsConnectedReturnsFalseIfAllConnectionsAreClosed()
{
$master = $this->getMockConnection('tcp://host1?alias=master');
$master->expects($this->any())->method('isConnected')->will($this->returnValue(false));
$slave = $this->getMockConnection('tcp://host2?alias=slave1');
$slave->expects($this->any())->method('isConnected')->will($this->returnValue(false));
$replication = new MasterSlaveReplication();
$replication->add($master);
$replication->add($slave);
$this->assertFalse($replication->isConnected());
$replication->connect();
$replication->disconnect();
$this->assertFalse($replication->isConnected());
}
/**
* @group disconnected
*/
public function testDisconnectForcesCurrentConnectionToDisconnect()
{
$master = $this->getMockConnection('tcp://host1?alias=master');
$master->expects($this->once())->method('disconnect');
$slave = $this->getMockConnection('tcp://host2?alias=slave1');
$slave->expects($this->once())->method('disconnect');
$replication = new MasterSlaveReplication();
$replication->add($master);
$replication->add($slave);
$replication->disconnect();
}
/**
* @group disconnected
*/
public function testCanSwitchConnectionByAlias()
{
$master = $this->getMockConnection('tcp://host1?alias=master');
$slave1 = $this->getMockConnection('tcp://host2?alias=slave1');
$replication = new MasterSlaveReplication();
$replication->add($master);
$replication->add($slave1);
$this->assertNull($replication->getCurrent());
$replication->switchTo('master');
$this->assertSame($master, $replication->getCurrent());
$replication->switchTo('slave1');
$this->assertSame($slave1, $replication->getCurrent());
}
/**
* @group disconnected
* @expectedException \InvalidArgumentException
* @expectedExceptionMessage Invalid connection or connection not found.
*/
public function testThrowsErrorWhenSwitchingToUnknownConnection()
{
$replication = new MasterSlaveReplication();
$replication->add($this->getMockConnection('tcp://host1?alias=master'));
$replication->add($this->getMockConnection('tcp://host2?alias=slave1'));
$replication->switchTo('unknown');
}
/**
* @group disconnected
*/
public function testUsesSlavesOnReadOnlyCommands()
{
$profile = Profile\Factory::getDefault();
$master = $this->getMockConnection('tcp://host1?alias=master');
$slave1 = $this->getMockConnection('tcp://host2?alias=slave1');
$replication = new MasterSlaveReplication();
$replication->add($master);
$replication->add($slave1);
$cmd = $profile->createCommand('exists', array('foo'));
$this->assertSame($slave1, $replication->getConnection($cmd));
$cmd = $profile->createCommand('get', array('foo'));
$this->assertSame($slave1, $replication->getConnection($cmd));
}
/**
* @group disconnected
*/
public function testUsesMasterOnWriteRequests()
{
$profile = Profile\Factory::getDefault();
$master = $this->getMockConnection('tcp://host1?alias=master');
$slave1 = $this->getMockConnection('tcp://host2?alias=slave1');
$replication = new MasterSlaveReplication();
$replication->add($master);
$replication->add($slave1);
$cmd = $profile->createCommand('set', array('foo', 'bar'));
$this->assertSame($master, $replication->getConnection($cmd));
$cmd = $profile->createCommand('get', array('foo'));
$this->assertSame($master, $replication->getConnection($cmd));
}
/**
* @group disconnected
*/
public function testSwitchesFromSlaveToMasterOnWriteRequestss()
{
$profile = Profile\Factory::getDefault();
$master = $this->getMockConnection('tcp://host1?alias=master');
$slave1 = $this->getMockConnection('tcp://host2?alias=slave1');
$replication = new MasterSlaveReplication();
$replication->add($master);
$replication->add($slave1);
$cmd = $profile->createCommand('exists', array('foo'));
$this->assertSame($slave1, $replication->getConnection($cmd));
$cmd = $profile->createCommand('set', array('foo', 'bar'));
$this->assertSame($master, $replication->getConnection($cmd));
$cmd = $profile->createCommand('exists', array('foo'));
$this->assertSame($master, $replication->getConnection($cmd));
}
/**
* @group disconnected
*/
public function testWritesCommandToCorrectConnection()
{
$profile = Profile\Factory::getDefault();
$cmdExists = $profile->createCommand('exists', array('foo'));
$cmdSet = $profile->createCommand('set', array('foo', 'bar'));
$master = $this->getMockConnection('tcp://host1?alias=master');
$master->expects($this->once())->method('writeRequest')->with($cmdSet);
$slave1 = $this->getMockConnection('tcp://host2?alias=slave1');
$slave1->expects($this->once())->method('writeRequest')->with($cmdExists);
$replication = new MasterSlaveReplication();
$replication->add($master);
$replication->add($slave1);
$replication->writeRequest($cmdExists);
$replication->writeRequest($cmdSet);
}
/**
* @group disconnected
*/
public function testReadsCommandFromCorrectConnection()
{
$profile = Profile\Factory::getDefault();
$cmdExists = $profile->createCommand('exists', array('foo'));
$cmdSet = $profile->createCommand('set', array('foo', 'bar'));
$master = $this->getMockConnection('tcp://host1?alias=master');
$master->expects($this->once())->method('readResponse')->with($cmdSet);
$slave1 = $this->getMockConnection('tcp://host2?alias=slave1');
$slave1->expects($this->once())->method('readResponse')->with($cmdExists);
$replication = new MasterSlaveReplication();
$replication->add($master);
$replication->add($slave1);
$replication->readResponse($cmdExists);
$replication->readResponse($cmdSet);
}
/**
* @group disconnected
*/
public function testExecutesCommandOnCorrectConnection()
{
$profile = Profile\Factory::getDefault();
$cmdExists = $profile->createCommand('exists', array('foo'));
$cmdSet = $profile->createCommand('set', array('foo', 'bar'));
$master = $this->getMockConnection('tcp://host1?alias=master');
$master->expects($this->once())->method('executeCommand')->with($cmdSet);
$slave1 = $this->getMockConnection('tcp://host2?alias=slave1');
$slave1->expects($this->once())->method('executeCommand')->with($cmdExists);
$replication = new MasterSlaveReplication();
$replication->add($master);
$replication->add($slave1);
$replication->executeCommand($cmdExists);
$replication->executeCommand($cmdSet);
}
/**
* @group disconnected
*/
public function testWatchTriggersSwitchToMasterConnection()
{
$profile = Profile\Factory::getDefault();
$cmdWatch = $profile->createCommand('watch', array('foo'));
$master = $this->getMockConnection('tcp://host1?alias=master');
$master->expects($this->once())->method('executeCommand')->with($cmdWatch);
$slave1 = $this->getMockConnection('tcp://host2?alias=slave1');
$slave1->expects($this->never())->method('executeCommand');
$replication = new MasterSlaveReplication();
$replication->add($master);
$replication->add($slave1);
$replication->executeCommand($cmdWatch);
}
/**
* @group disconnected
*/
public function testMultiTriggersSwitchToMasterConnection()
{
$profile = Profile\Factory::getDefault();
$cmdMulti = $profile->createCommand('multi');
$master = $this->getMockConnection('tcp://host1?alias=master');
$master->expects($this->once())->method('executeCommand')->with($cmdMulti);
$slave1 = $this->getMockConnection('tcp://host2?alias=slave1');
$slave1->expects($this->never())->method('executeCommand');
$replication = new MasterSlaveReplication();
$replication->add($master);
$replication->add($slave1);
$replication->executeCommand($cmdMulti);
}
/**
* @group disconnected
*/
public function testEvalTriggersSwitchToMasterConnection()
{
$profile = Profile\Factory::get('dev');
$cmdEval = $profile->createCommand('eval', array("return redis.call('info')"));
$master = $this->getMockConnection('tcp://host1?alias=master');
$master->expects($this->once())->method('executeCommand')->with($cmdEval);
$slave1 = $this->getMockConnection('tcp://host2?alias=slave1');
$slave1->expects($this->never())->method('executeCommand');
$replication = new MasterSlaveReplication();
$replication->add($master);
$replication->add($slave1);
$replication->executeCommand($cmdEval);
}
/**
* @group disconnected
*/
public function testSortTriggersSwitchToMasterConnectionOnStoreModifier()
{
$profile = Profile\Factory::get('dev');
$cmdSortNormal = $profile->createCommand('sort', array('key'));
$cmdSortStore = $profile->createCommand('sort', array('key', array('store' => 'key:store')));
$master = $this->getMockConnection('tcp://host1?alias=master');
$master->expects($this->once())->method('executeCommand')->with($cmdSortStore);
$slave1 = $this->getMockConnection('tcp://host2?alias=slave1');
$slave1->expects($this->once())->method('executeCommand')->with($cmdSortNormal);
$replication = new MasterSlaveReplication();
$replication->add($master);
$replication->add($slave1);
$replication->executeCommand($cmdSortNormal);
$replication->executeCommand($cmdSortStore);
}
/**
* @group disconnected
* @expectedException \Predis\NotSupportedException
* @expectedExceptionMessage The command 'INFO' is not allowed in replication mode.
*/
public function testThrowsExceptionOnNonSupportedCommand()
{
$cmd = Profile\Factory::getDefault()->createCommand('info');
$replication = new MasterSlaveReplication();
$replication->add($this->getMockConnection('tcp://host1?alias=master'));
$replication->add($this->getMockConnection('tcp://host2?alias=slave1'));
$replication->getConnection($cmd);
}
/**
* @group disconnected
*/
public function testCanOverrideReadOnlyFlagForCommands()
{
$profile = Profile\Factory::getDefault();
$cmdSet = $profile->createCommand('set', array('foo', 'bar'));
$cmdGet = $profile->createCommand('get', array('foo'));
$master = $this->getMockConnection('tcp://host1?alias=master');
$master->expects($this->once())->method('executeCommand')->with($cmdGet);
$slave1 = $this->getMockConnection('tcp://host2?alias=slave1');
$slave1->expects($this->once())->method('executeCommand')->with($cmdSet);
$replication = new MasterSlaveReplication();
$replication->add($master);
$replication->add($slave1);
$replication->getReplicationStrategy()->setCommandReadOnly($cmdSet->getId(), true);
$replication->getReplicationStrategy()->setCommandReadOnly($cmdGet->getId(), false);
$replication->executeCommand($cmdSet);
$replication->executeCommand($cmdGet);
}
/**
* @group disconnected
*/
public function testAcceptsCallableToOverrideReadOnlyFlagForCommands()
{
$profile = Profile\Factory::getDefault();
$cmdExistsFoo = $profile->createCommand('exists', array('foo'));
$cmdExistsBar = $profile->createCommand('exists', array('bar'));
$master = $this->getMockConnection('tcp://host1?alias=master');
$master->expects($this->once())->method('executeCommand')->with($cmdExistsBar);
$slave1 = $this->getMockConnection('tcp://host2?alias=slave1');
$slave1->expects($this->once())->method('executeCommand')->with($cmdExistsFoo);
$replication = new MasterSlaveReplication();
$replication->add($master);
$replication->add($slave1);
$replication->getReplicationStrategy()->setCommandReadOnly('exists', function ($cmd) {
list($arg1) = $cmd->getArguments();
return $arg1 === 'foo';
});
$replication->executeCommand($cmdExistsFoo);
$replication->executeCommand($cmdExistsBar);
}
/**
* @group disconnected
*/
public function testCanSetReadOnlyFlagForEvalScripts()
{
$profile = Profile\Factory::get('dev');
$cmdEval = $profile->createCommand('eval', array($script = "return redis.call('info');"));
$cmdEvalSha = $profile->createCommand('evalsha', array($scriptSHA1 = sha1($script)));
$master = $this->getMockConnection('tcp://host1?alias=master');
$master->expects($this->never())->method('executeCommand');
$slave1 = $this->getMockConnection('tcp://host2?alias=slave1');
$slave1->expects($this->exactly(2))
->method('executeCommand')
->with($this->logicalOr($cmdEval, $cmdEvalSha));
$replication = new MasterSlaveReplication();
$replication->add($master);
$replication->add($slave1);
$replication->getReplicationStrategy()->setScriptReadOnly($script);
$replication->executeCommand($cmdEval);
$replication->executeCommand($cmdEvalSha);
}
/**
* @group disconnected
*/
public function testExposesReplicationStrategy()
{
$replication = new MasterSlaveReplication();
$this->assertInstanceOf('Predis\Replication\ReplicationStrategy', $replication->getReplicationStrategy());
$strategy = new ReplicationStrategy();
$replication = new MasterSlaveReplication($strategy);
$this->assertSame($strategy, $replication->getReplicationStrategy());
}
/**
* @group disconnected
*/
public function testCanBeSerialized()
{
$master = $this->getMockConnection('tcp://host1?alias=master');
$slave1 = $this->getMockConnection('tcp://host2?alias=slave1');
$replication = new MasterSlaveReplication();
$replication->add($master);
$replication->add($slave1);
$unserialized = unserialize(serialize($replication));
$this->assertEquals($master, $unserialized->getConnectionById('master'));
$this->assertEquals($slave1, $unserialized->getConnectionById('slave1'));
}
// ******************************************************************** //
// ---- HELPER METHODS ------------------------------------------------ //
// ******************************************************************** //
/**
* Returns a base mocked connection from Predis\Connection\NodeConnectionInterface.
*
* @param mixed $parameters Optional parameters.
* @return mixed
*/
protected function getMockConnection($parameters = null)
{
$connection = $this->getMock('Predis\Connection\NodeConnectionInterface');
if ($parameters) {
$parameters = Connection\Parameters::create($parameters);
$hash = "{$parameters->host}:{$parameters->port}";
$connection->expects($this->any())
->method('getParameters')
->will($this->returnValue($parameters));
$connection->expects($this->any())
->method('__toString')
->will($this->returnValue($hash));
}
return $connection;
}
}