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<?php
namespace Liuggio\StatsdClient\Entity;
use Liuggio\StatsdClient\Service\StatsdService;
class StatsdServiceTest extends \PHPUnit_Framework_TestCase
{
private $clientMock;
private $factoryMock;
public function setUp()
{
$this->clientMock = $this->getMockBuilder('Liuggio\StatsdClient\StatsdClient')
->disableOriginalConstructor()
->getMock();
$this->factoryMock = $this->getMockBuilder('Liuggio\StatsdClient\Factory\StatsdDataFactoryInterface')
->disableOriginalConstructor()
->getMock();
}
public function testConstructorWithoutFactory()
{
$dut = new StatsdService($this->clientMock);
$dut->timing('foo.bar', 123);
}
public function testFactoryImplementation()
{
$data = new StatsdData();
// Configure the client mock.
$this->factoryMock->expects($this->once())->method('timing')->willReturn($data);
$this->factoryMock->expects($this->once())->method('gauge')->willReturn($data);
$this->factoryMock->expects($this->once())->method('set')->willReturn($data);
$this->factoryMock->expects($this->once())->method('increment')->willReturn($data);
$this->factoryMock->expects($this->once())->method('decrement')->willReturn($data);
$this->factoryMock->expects($this->once())->method('updateCount')->willReturn($data);
// Actual test
$dut = new StatsdService($this->clientMock, $this->factoryMock);
$dut->timing('foo.bar', 123);
$dut->gauge('foo.bar', 123);
$dut->set('foo.bar', 123);
$dut->increment('foo.bar');
$dut->decrement('foo.bar');
$dut->updateCount('foo.bar', 123);
}
public function testFlush()
{
$data = new StatsdData();
$this->factoryMock->expects($this->once())->method('timing')->willReturn($data);
$this->clientMock->expects($this->once())->method('send')
->with($this->equalTo(array($data)));
// Actual test
$dut = new StatsdService($this->clientMock, $this->factoryMock);
$dut->timing('foobar', 123);
$dut->flush();
}
public function testSampling()
{
$tries = false;
$closure = function($a, $b) use (&$tries) {
$tries = !$tries;
return $tries ? 1 : 0;
};
$data = new StatsdData();
$this->factoryMock->expects($this->exactly(2))->method('timing')->willReturn($data);
$this->clientMock->expects($this->once())->method('send')
->with($this->equalTo(array($data)));
// Actual test
$dut = new StatsdService($this->clientMock, $this->factoryMock);
$dut->setSamplingRate(0.1);
$dut->setSamplingFunction($closure);
$dut->timing('foo', 123);
$dut->timing('bar', 123);
$dut->flush();
$this->assertSame(0.1, $data->getSampleRate());
}
}
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