/**
* Set default sleep delay for WaitUntil
* @param int $sleepDelay the new default sleep delay
*/
public static function setDefaultWaitUntilSleepInterval($sleepDelay)
{
$sleepDelay = (int) $sleepDelay;
self::$defaultWaitUntilSleepInterval = $sleepDelay > 0 ? $sleepDelay : 0;
}
/**
* @param $callback Callback to run until it returns not null or timeout occurs
* @param null|int $timeout
* @param null|int $sleepInterval the delay between 2 iterations of the callback
* @return mixed
* @throws PHPUnit_Extensions_Selenium2TestCase_Exception
* @throws PHPUnit_Extensions_Selenium2TestCase_WebDriverException
*/
public function run($callback, $timeout = NULL, $sleepInterval = NULL)
{
if (!is_callable($callback)) {
throw new PHPUnit_Extensions_Selenium2TestCase_Exception('The valid callback is expected');
}
// if there was an implicit timeout specified - remember it and temporarily turn it off
$implicitWait = $this->_testCase->timeouts()->getLastImplicitWaitValue();
if ($implicitWait) {
$this->_testCase->timeouts()->implicitWait(0);
}
if (is_null($sleepInterval)) {
$sleepInterval = PHPUnit_Extensions_Selenium2TestCase::defaultWaitUntilSleepInterval();
}
$sleepInterval *= 1000;
if (is_null($timeout)) {
$timeout = PHPUnit_Extensions_Selenium2TestCase::defaultWaitUntilTimeout();
}
$timeout /= 1000;
$endTime = microtime(TRUE) + $timeout;
$lastException = NULL;
while (TRUE) {
try {
$result = call_user_func($callback, $this->_testCase);
if (!is_null($result)) {
if ($implicitWait) {
$this->_testCase->timeouts()->implicitWait($implicitWait);
}
return $result;
}
} catch (Exception $e) {
$lastException = $e;
}
if (microtime(TRUE) > $endTime) {
if ($implicitWait) {
$this->_testCase->timeouts()->implicitWait($implicitWait);
}
$message = "Timed out after {$timeout} second" . ($timeout != 1 ? 's' : '');
throw new PHPUnit_Extensions_Selenium2TestCase_WebDriverException($message, PHPUnit_Extensions_Selenium2TestCase_WebDriverException::Timeout, $lastException);
}
usleep($sleepInterval);
}
}
public function testWaitUntilDefaultSleepInterval()
{
$this->assertEquals(500, PHPUnit_Extensions_Selenium2TestCase::defaultWaitUntilSleepInterval());
PHPUnit_Extensions_Selenium2TestCase::setDefaultWaitUntilSleepInterval(100);
$this->assertEquals(100, PHPUnit_Extensions_Selenium2TestCase::defaultWaitUntilSleepInterval());
}
