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<?php
namespace Jaeger\Tests\Sampler;
use Jaeger\Sampler\ConstSampler;
use PHPUnit\Framework\TestCase;
use const Jaeger\SAMPLER_PARAM_TAG_KEY;
use const Jaeger\SAMPLER_TYPE_CONST;
use const Jaeger\SAMPLER_TYPE_TAG_KEY;
class ConstSamplerTest extends TestCase
{
/**
* @test
* @dataProvider samplerProvider
* @param bool $decision
* @param mixed $traceId
*/
public function shouldDetermineWhetherOrTraceShouldBeSampled($decision, $traceId)
{
$sampler = new ConstSampler($decision);
list($sampled, $tags) = $sampler->isSampled($traceId);
$this->assertEquals($decision, $sampled);
$this->assertEquals([
SAMPLER_TYPE_TAG_KEY => SAMPLER_TYPE_CONST,
SAMPLER_PARAM_TAG_KEY => $decision,
], $tags);
$sampler->close();
}
public function samplerProvider()
{
return [
[true, 1],
[true, PHP_INT_MAX],
[false, 1],
[false, PHP_INT_MAX],
];
}
}
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