'test-service', 'samplingProbability' => 100, 'endpoint' => 'http://198.51.100.42:4318/v1/traces' ]; private MockHandler $handler; protected function setUp(): void { parent::setUp(); $this->handler = new MockHandler(); $this->setService( '_TracerHTTPClient', new Client( [ 'handler' => $this->handler, 'http_errors' => false ] ) ); } protected function tearDown(): void { parent::tearDown(); Clock::setMockTime( null ); TracerState::destroyInstance(); } public function testShouldDoNothingWhenTracingDisabled(): void { $this->overrideConfigValue( MainConfigNames::OpenTelemetryConfig, null ); $tracer = $this->getServiceContainer()->getTracer(); $span = $tracer->createSpan( 'test' ) ->start(); $span->end(); $tracer->shutdown(); $this->assertInstanceOf( NoopTracer::class, $tracer ); $this->assertNull( $this->handler->getLastRequest() ); } public function testShouldNotExportDataWhenNoSpansWereCreated(): void { $this->overrideConfigValue( MainConfigNames::OpenTelemetryConfig, self::EXAMPLE_TRACING_CONFIG ); $tracer = $this->getServiceContainer()->getTracer(); $tracer->shutdown(); $this->assertInstanceOf( Tracer::class, $tracer ); $this->assertNull( $this->handler->getLastRequest() ); } public function testShouldNotExportDataWhenTracerWasNotExplicitlyShutdown(): void { $this->overrideConfigValue( MainConfigNames::OpenTelemetryConfig, self::EXAMPLE_TRACING_CONFIG ); $tracer = $this->getServiceContainer()->getTracer(); $span = $tracer->createRootSpan( 'test' ) ->start(); $span->end(); $this->assertInstanceOf( Tracer::class, $tracer ); $this->assertNull( $this->handler->getLastRequest() ); } public function testShouldExportDataOnShutdownWhenTracingEnabled(): void { $this->overrideConfigValue( MainConfigNames::OpenTelemetryConfig, self::EXAMPLE_TRACING_CONFIG ); $this->handler->append( new Response( 200 ) ); $mockTime = 5481675965496; Clock::setMockTime( $mockTime ); $tracer = $this->getServiceContainer()->getTracer(); $span = $tracer->createRootSpan( 'test' ) ->setSpanKind( SpanInterface::SPAN_KIND_SERVER ) ->start(); $span->activate(); $mockTime += 100; Clock::setMockTime( $mockTime ); $childSpan = $tracer->createSpan( 'child' ) ->setAttributes( [ 'some-key' => 'test', 'ignored' => new \stdClass() ] ) ->start(); $mockTime += 250; Clock::setMockTime( $mockTime ); $childSpan->end(); $mockTime += 74; Clock::setMockTime( $mockTime ); $span->end(); $this->assertNull( $this->handler->getLastRequest(), 'Exporting trace data should be deferred until the tracer is explicitly shut down' ); $tracer->shutdown(); $request = $this->handler->getLastRequest(); $this->assertInstanceOf( Tracer::class, $tracer ); $this->assertSame( 'http://198.51.100.42:4318/v1/traces', (string)$request->getUri() ); $this->assertSame( 'application/json', $request->getHeaderLine( 'Content-Type' ) ); $expected = file_get_contents( __DIR__ . '/expected-trace-data.json' ); $expected = strtr( $expected, [ '' => $span->getContext()->getTraceId(), '' => $span->getContext()->getSpanId(), '' => $childSpan->getContext()->getSpanId(), '' => wfHostname() ] ); $this->assertJsonStringEqualsJsonString( $expected, (string)$request->getBody() ); } }