74 lines
2.0 KiB
PHP
74 lines
2.0 KiB
PHP
<?php
|
|
|
|
namespace Facebook\WebDriver;
|
|
|
|
use Facebook\WebDriver\Exception\NoSuchElementException;
|
|
use Facebook\WebDriver\Exception\TimeoutException;
|
|
|
|
/**
|
|
* A utility class, designed to help the user to wait until a condition turns true.
|
|
*
|
|
* @see WebDriverExpectedCondition.
|
|
*/
|
|
class WebDriverWait
|
|
{
|
|
/**
|
|
* @var WebDriver
|
|
*/
|
|
protected $driver;
|
|
/**
|
|
* @var int
|
|
*/
|
|
protected $timeout;
|
|
/**
|
|
* @var int
|
|
*/
|
|
protected $interval;
|
|
|
|
public function __construct(WebDriver $driver, $timeout_in_second = null, $interval_in_millisecond = null)
|
|
{
|
|
$this->driver = $driver;
|
|
$this->timeout = isset($timeout_in_second) ? $timeout_in_second : 30;
|
|
$this->interval = $interval_in_millisecond ?: 250;
|
|
}
|
|
|
|
/**
|
|
* Calls the function provided with the driver as an argument until the return value is not falsey.
|
|
*
|
|
* @param callable|WebDriverExpectedCondition $func_or_ec
|
|
* @param string $message
|
|
*
|
|
* @throws \Exception
|
|
* @throws NoSuchElementException
|
|
* @throws TimeoutException
|
|
* @return mixed The return value of $func_or_ec
|
|
*/
|
|
public function until($func_or_ec, $message = '')
|
|
{
|
|
$end = microtime(true) + $this->timeout;
|
|
$last_exception = null;
|
|
|
|
while ($end > microtime(true)) {
|
|
try {
|
|
if ($func_or_ec instanceof WebDriverExpectedCondition) {
|
|
$ret_val = call_user_func($func_or_ec->getApply(), $this->driver);
|
|
} else {
|
|
$ret_val = call_user_func($func_or_ec, $this->driver);
|
|
}
|
|
if ($ret_val) {
|
|
return $ret_val;
|
|
}
|
|
} catch (NoSuchElementException $e) {
|
|
$last_exception = $e;
|
|
}
|
|
usleep($this->interval * 1000);
|
|
}
|
|
|
|
if ($last_exception) {
|
|
throw $last_exception;
|
|
}
|
|
|
|
throw new TimeoutException($message);
|
|
}
|
|
}
|