1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
|
<?php
use Liuggio\StatsdClient\Entity\StatsdData;
class SamplingStatsdClientTest extends PHPUnit_Framework_TestCase {
/**
* @dataProvider samplingDataProvider
*/
public function testSampling( $data, $sampleRate, $seed, $expectWrite ) {
$sender = $this->getMock( 'Liuggio\StatsdClient\Sender\SenderInterface' );
$sender->expects( $this->any() )->method( 'open' )->will( $this->returnValue( true ) );
if ( $expectWrite ) {
$sender->expects( $this->once() )->method( 'write' )
->with( $this->anything(), $this->equalTo( $data ) );
} else {
$sender->expects( $this->never() )->method( 'write' );
}
mt_srand( $seed );
$client = new SamplingStatsdClient( $sender );
$client->send( $data, $sampleRate );
}
public function samplingDataProvider() {
$unsampled = new StatsdData();
$unsampled->setKey( 'foo' );
$unsampled->setValue( 1 );
$sampled = new StatsdData();
$sampled->setKey( 'foo' );
$sampled->setValue( 1 );
$sampled->setSampleRate( '0.1' );
return array(
// $data, $sampleRate, $seed, $expectWrite
array( $unsampled, 1, 0 /*0.44*/, $unsampled ),
array( $sampled, 1, 0 /*0.44*/, null ),
array( $sampled, 1, 4 /*0.03*/, $sampled ),
array( $unsampled, 0.1, 4 /*0.03*/, $sampled ),
array( $sampled, 0.5, 0 /*0.44*/, null ),
array( $sampled, 0.5, 4 /*0.03*/, $sampled ),
);
}
}
|
