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August 29, 2015 14:23
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<?php | |
use Behat\Behat\Context\SnippetAcceptingContext; | |
use Drupal\DrupalExtension\Context\RawDrupalContext; | |
class LoadTimeContext extends RawDrupalContext implements SnippetAcceptingContext { | |
/** | |
* @Then /^time to first byte should be less than "([^"]*)" seconds$/ | |
*/ | |
public function timeToFirstByteShouldBeLessThanSeconds($max_seconds) | |
{ | |
$session = $this->getSession(); | |
$time_to_first_byte = $session->evaluateScript( | |
'window.performance.timing.responseStart - window.performance.timing.requestStart' | |
); | |
if ($time_to_first_byte > $max_seconds * 1000) { | |
throw new \Exception("Time to first byte was " . $time_to_first_byte / 1000 . " seconds."); | |
} | |
} | |
/** | |
* @Then /^time to last byte should be less than "([^"]*)" seconds$/ | |
*/ | |
public function timeToLastByteShouldBeLessThanSeconds($max_seconds) | |
{ | |
$session = $this->getSession(); | |
$time_to_last_byte = $session->evaluateScript( | |
'window.performance.timing.domComplete - window.performance.timing.requestStart' | |
); | |
if ($time_to_last_byte > $max_seconds * 1000) { | |
throw new \Exception("Time to last byte was " . $time_to_last_byte / 1000 . " seconds."); | |
} | |
print "Time to last byte was " . $time_to_last_byte / 1000 . " seconds"; | |
} | |
/** | |
* @Then /^Time to completion of javascript should be less than "([^"]*)" seconds$/ | |
*/ | |
public function timeToCompletionOfJavascriptShouldBeLessThanSeconds($max_seconds) { | |
$session = $this->getSession(); | |
$time_to_completion_of_javascript = $session->evaluateScript( | |
'window.performance.now()' | |
); | |
if ($time_to_completion_of_javascript > $max_seconds * 1000) { | |
throw new \Exception("Time to completion of javascript was " . $time_to_completion_of_javascript / 1000 . " seconds."); | |
} | |
print "Time to completion of javascript was " . $time_to_completion_of_javascript / 1000 . " seconds"; | |
} | |
} |
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