function it_do_not_trace_if_no_request_in_stack(Tracer $tracer, SpanStack $spanStack, Span $span, PostResponseEvent $event)
{
$event->isMasterRequest()->willReturn(true);
$spanStack->pop()->willReturn(null);
$tracer->trace(Argument::any())->shouldNotBeCalled();
$this->onKernelTerminate($event);
}
function it_starts_and_stop_before_an_after_delegating_the_trace(Tracer $decoratedTracer, Stopwatch $stopwatch)
{
$stopwatch->start(Argument::type('string'))->shouldBeCalled();
$decoratedTracer->trace([])->shouldBeCalled();
$stopwatch->stop(Argument::type('string'))->shouldBeCalled();
$this->trace([]);
}
/**
* {@inheritdoc}
*/
public function trace(array $spans)
{
$key = count($spans) == 1 ? $spans[0]->getName() : count($spans);
$key = 'trace (' . $key . ')';
$this->stopwatch->start($key);
$this->decoratedTracer->trace($spans);
$this->stopwatch->stop($key);
}
/**
* @param GetResponseEvent $event
*/
public function onKernelRequest(GetResponseEvent $event)
{
if (!$event->isMasterRequest()) {
return;
}
$span = $this->httpFoundationSpanFactory->fromIncomingRequest($event->getRequest());
$this->stack->push($span);
$this->tracer->trace([$span]);
}
/**
* @param PostResponseEvent $event
*/
public function onKernelTerminate(PostResponseEvent $event)
{
if (!$event->isMasterRequest()) {
return;
}
if ($span = $this->spanStack->pop()) {
$this->tracer->trace([$this->httpFoundationSpanFactory->fromOutgoingResponse($event->getResponse(), $span)]);
}
}
/**
* @param RequestInterface $request
* @param ResponseInterface|null $response
*/
public function onEnd(RequestInterface $request, ResponseInterface $response = null)
{
try {
$span = $this->guzzleMessageSpanFactory->fromIncomingResponse($request, $response);
} catch (\InvalidArgumentException $e) {
return;
}
$this->tracer->trace([$span]);
}
function it_traces_and_add_a_span_to_the_stack(SpanStack $spanStack, Tracer $tracer, HttpFoundationSpanFactory $httpFoundationSpanFactory, GetResponseEvent $event, Span $span)
{
$request = Request::create('/');
$event->getRequest()->willReturn($request);
$event->isMasterRequest()->willReturn(true);
$httpFoundationSpanFactory->fromIncomingRequest($request)->willReturn($span);
$spanStack->push($span)->shouldBeCalled();
$tracer->trace([$span])->shouldBeCalled();
$this->onKernelRequest($event);
}
/**
* {@inheritdoc}
*/
public function execute(AMQPMessage $msg)
{
$span = $this->amqpSpanFactory->fromReceivedMessage($msg);
$this->tracer->trace([$span]);
$this->spanStack->push($span);
$result = $this->decoratedConsumer->execute($msg);
$this->tracer->trace([$this->amqpSpanFactory->fromConsumedMessage($msg)]);
$this->spanStack->pop();
return $result;
}
function it_traces_the_outgoing_request(Psr7SpanFactory $psr7SpanFactory, Tracer $tracer, RequestInterface $request, PromiseInterface $promise)
{
$span = $this->generateSpan();
$psr7SpanFactory->fromOutgoingRequest($request)->shouldBeCalled()->willReturn($span);
$tracer->trace([$span])->shouldBeCalled();
$middlewareFactory = $this->create();
$middleware = $middlewareFactory(function () use($promise) {
return $promise;
});
$middleware($request, []);
}
function it_should_add_the_trace_headers(ProducerInterface $decoratedProducer, AmqpSpanFactory $amqpSpanFactory, Tracer $tracer)
{
$span = new Span(Identifier::fromString('1234'), 'name', Identifier::fromString('trace'));
$amqpSpanFactory->fromProducedMessage(Argument::type(AMQPMessage::class))->willReturn($span);
$decoratedProducer->publish('', '', Argument::that(function (array $properties) {
if (!array_key_exists('application_headers', $properties)) {
return false;
}
$headers = $properties['application_headers']->getNativeData();
return isset($headers['X-B3-SpanId']) && isset($headers['X-B3-TraceId']);
}))->shouldBeCalled();
$tracer->trace([$span])->shouldBeCalled();
$this->publish('', '');
}
/**
* {@inheritdoc}
*/
public function publish($msgBody, $routingKey = '', $additionalProperties = array())
{
$message = new AMQPMessage((string) $msgBody, array_merge($additionalProperties, ['routing_key' => $routingKey]));
$span = $this->amqpSpanFactory->fromProducedMessage($message);
if (!array_key_exists('application_headers', $additionalProperties)) {
$additionalProperties['application_headers'] = new AMQPTable();
} elseif (!$additionalProperties['application_headers'] instanceof AMQPTable) {
throw new \InvalidArgumentException('Your `application_headers` must be an `AMQPTable`');
}
$headers = $additionalProperties['application_headers'];
$headers->set('X-B3-SpanId', (string) $span->getIdentifier());
$headers->set('X-B3-TraceId', (string) $span->getTraceIdentifier());
$headers->set('X-B3-ParentSpanId', (string) $span->getParentIdentifier());
$headers->set('X-B3-Flags', $span->getDebug() ? '1' : '0');
$result = $this->decoratedProducer->publish($msgBody, $routingKey, $additionalProperties);
$this->tracer->trace([$span]);
return $result;
}
/**
* @return callable
*/
public function create()
{
return function (callable $handler) {
return function (RequestInterface $request, array $options) use($handler) {
// Store outgoing trace
$span = $this->psr7SpanFactory->fromOutgoingRequest($request);
$this->tracer->trace([$span]);
// Add outgoing headers
$request = $request->withHeader('X-B3-SpanId', (string) $span->getIdentifier())->withHeader('X-B3-TraceId', (string) $span->getTraceIdentifier())->withHeader('X-B3-ParentSpanId', (string) $span->getParentIdentifier())->withHeader('X-B3-Flags', $span->getDebug() ? '1' : '0');
return $handler($request, $options)->then(function (ResponseInterface $response) use($span) {
$this->tracer->trace([$this->psr7SpanFactory->fromIncomingResponse($span, $response)]);
return $response;
}, function ($reason) use($span) {
if ($reason instanceof RequestException) {
$this->tracer->trace([$this->psr7SpanFactory->fromIncomingResponse($span, $reason->getResponse())]);
}
throw $reason;
});
};
};
}
function it_traces_the_span(ConsumerInterface $decoratedConsumer, Tracer $tracer)
{
$tracer->trace(Argument::containing(Argument::type(Span::class)))->shouldBeCalled();
$this->execute(new AMQPMessage(''));
}