function it_collects_and_publishes_the_metrics(MetricCollector $collector, MetricPublisher $publisher, InputInterface $input, OutputInterface $output)
{
$metrics = [new Metric('first', 1), new Metric('bar', 0.5)];
$collector->collect()->shouldBeCalled()->willReturn($metrics);
$publisher->publish($metrics)->shouldBeCalled();
$this->run($input, $output);
}
function it_allows_to_add_a_collector(MetricCollector $first, MetricCollector $added)
{
$this->beConstructedWith([$first]);
$this->addCollector($added);
$m1 = new Metric('first', 1);
$m2 = new Metric('second', 2);
$first->collect()->willReturn([$m1]);
$added->collect()->willReturn([$m2]);
$this->collect()->shouldBeLike([$m1, $m2]);
}
/**
* {@inheritdoc}
*/
public function collect()
{
return array_map(function (Metric $metric) {
return new Metric($this->namespace . '.' . $metric->getName(), $metric->getValue());
}, $this->decoratedCollector->collect());
}
function it_prefixes_every_metric_with_the_namespace(MetricCollector $collector)
{
$collector->collect()->willReturn([new Metric('foo', 1), new Metric('bar.baz', 'string')]);
$this->collect()->shouldBeLike([new Metric('my_namespace.foo', 1), new Metric('my_namespace.bar.baz', 'string')]);
}