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<?php
namespace Wikimedia\Tests\Telemetry;
use MediaWikiUnitTestCase;
use Wikimedia\Telemetry\NoopSpan;
use Wikimedia\Telemetry\NoopTracer;
use Wikimedia\Telemetry\SpanContext;
use Wikimedia\Telemetry\TracerInterface;
/**
* @covers \Wikimedia\Telemetry\NoopTracer
*/
class NoopTracerTest extends MediaWikiUnitTestCase {
private TracerInterface $tracer;
protected function setUp(): void {
parent::setUp();
$this->tracer = new NoopTracer();
}
public function testShouldCreateNoopSpan(): void {
$span = $this->tracer->createSpan( 'test' );
$this->assertInstanceOf( NoopSpan::class, $span );
$this->assertNull( $span->getContext()->getParentSpanId() );
}
public function testShouldCreateNoopRootSpan(): void {
$span = $this->tracer->createRootSpan( 'test' );
$this->assertInstanceOf( NoopSpan::class, $span );
$this->assertNull( $span->getContext()->getParentSpanId() );
}
public function testShouldCreateNoopSpanWithParent(): void {
$span = $this->tracer->createSpanWithParent( 'test', new SpanContext( '', '', null, '', false ) );
$this->assertInstanceOf( NoopSpan::class, $span );
$this->assertNull( $span->getContext()->getParentSpanId() );
}
}
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