/**
* @test
*/
public function histogramsShouldIncrementAtomically()
{
$start = microtime(true);
$promises = [$this->client->getAsync('/examples/some_histogram.php?c=0&adapter=' . $this->adapter), $this->client->getAsync('/examples/some_histogram.php?c=1&adapter=' . $this->adapter), $this->client->getAsync('/examples/some_histogram.php?c=2&adapter=' . $this->adapter), $this->client->getAsync('/examples/some_histogram.php?c=3&adapter=' . $this->adapter), $this->client->getAsync('/examples/some_histogram.php?c=4&adapter=' . $this->adapter), $this->client->getAsync('/examples/some_histogram.php?c=5&adapter=' . $this->adapter), $this->client->getAsync('/examples/some_histogram.php?c=6&adapter=' . $this->adapter), $this->client->getAsync('/examples/some_histogram.php?c=7&adapter=' . $this->adapter), $this->client->getAsync('/examples/some_histogram.php?c=8&adapter=' . $this->adapter), $this->client->getAsync('/examples/some_histogram.php?c=9&adapter=' . $this->adapter)];
Promise\settle($promises)->wait();
$end = microtime(true);
echo "\ntime: " . ($end - $start) . "\n";
$metricsResult = $this->client->get('/examples/metrics.php?adapter=' . $this->adapter);
$body = (string) $metricsResult->getBody();
$this->assertThat($body, $this->stringContains(<<<EOF
test_some_histogram_bucket{type="blue",le="0.1"} 1
test_some_histogram_bucket{type="blue",le="1"} 2
test_some_histogram_bucket{type="blue",le="2"} 3
test_some_histogram_bucket{type="blue",le="3.5"} 4
test_some_histogram_bucket{type="blue",le="4"} 5
test_some_histogram_bucket{type="blue",le="5"} 6
test_some_histogram_bucket{type="blue",le="6"} 7
test_some_histogram_bucket{type="blue",le="7"} 8
test_some_histogram_bucket{type="blue",le="8"} 9
test_some_histogram_bucket{type="blue",le="9"} 10
test_some_histogram_bucket{type="blue",le="+Inf"} 10
test_some_histogram_count{type="blue"} 10
test_some_histogram_sum{type="blue"} 45
EOF
));
}
function are_available($urls, $timeout = 10)
{
$client = new Client(['timeout' => $timeout, 'connect_timeout' => $timeout]);
$promises = array_map(function ($url) use($client) {
return $client->getAsync($url);
}, $urls);
try {
$results = Promise\settle($promises)->wait();
return array_map(function ($result) {
return $result['value']->getStatusCode() === 200;
}, $results);
} catch (Exception $e) {
return array_map(function ($url) {
return false;
}, $urls);
}
}
/**
* Get loading time information for two websites
* Info: Requests are concurrent - http://docs.guzzlephp.org/en/latest/quickstart.html#concurrent-requests
*
* @param $comparingUri
* @param $competitorUri
*
* @return array
*/
public function watchConcurrent($comparingUri, $competitorUri)
{
$comparingStats = null;
$comparingRequest = $this->client->getAsync($comparingUri, [RequestOptions::TIMEOUT => $this->timeout, RequestOptions::ON_STATS => function (TransferStats $stats) use(&$comparingStats) {
$comparingStats = $stats;
}]);
$competitorStats = null;
$competitorRequest = $this->client->getAsync($competitorUri, [RequestOptions::TIMEOUT => $this->timeout, RequestOptions::ON_STATS => function (TransferStats $stats) use(&$competitorStats) {
$competitorStats = $stats;
}]);
Promise\settle([$comparingRequest, $competitorRequest])->wait();
return [$comparingStats, $competitorStats];
}