<?php
namespace Facebook\WebDriver\Remote;
use Facebook\WebDriver\Interactions\WebDriverActions;
use Facebook\WebDriver\JavaScriptExecutor;
use Facebook\WebDriver\WebDriver;
use Facebook\WebDriver\WebDriverBy;
use Facebook\WebDriver\WebDriverCapabilities;
use Facebook\WebDriver\WebDriverCommandExecutor;
use Facebook\WebDriver\WebDriverElement;
use Facebook\WebDriver\WebDriverHasInputDevices;
use Facebook\WebDriver\WebDriverNavigation;
use Facebook\WebDriver\WebDriverOptions;
use Facebook\WebDriver\WebDriverWait;
class RemoteWebDriver implements WebDriver, JavaScriptExecutor, WebDriverHasInputDevices
{
/**
* @var HttpCommandExecutor|null
*/
protected $executor;
/**
* @var WebDriverCapabilities
*/
protected $capabilities;
/**
* @var string
*/
protected $sessionID;
/**
* @var RemoteMouse
*/
protected $mouse;
/**
* @var RemoteKeyboard
*/
protected $keyboard;
/**
* @var RemoteTouchScreen
*/
protected $touch;
/**
* @var RemoteExecuteMethod
*/
protected $executeMethod;
/**
* @var bool
*/
protected $isW3cCompliant;
/**
* @param HttpCommandExecutor $commandExecutor
* @param string $sessionId
* @param WebDriverCapabilities|null $capabilities
* @param bool $isW3cCompliant false to use the legacy JsonWire protocol, true for the W3C WebDriver spec
*/
protected function __construct(
HttpCommandExecutor $commandExecutor,
$sessionId,
WebDriverCapabilities $capabilities = null,
$isW3cCompliant = false
) {
$this->executor = $commandExecutor;
$this->sessionID = $sessionId;
$this->isW3cCompliant = $isW3cCompliant;
if ($capabilities !== null) {
$this->capabilities = $capabilities;
}
}
/**
* Construct the RemoteWebDriver by a desired capabilities.
*
* @param string $selenium_server_url The url of the remote Selenium WebDriver server
* @param DesiredCapabilities|array $desired_capabilities The desired capabilities
* @param int|null $connection_timeout_in_ms Set timeout for the connect phase to remote Selenium WebDriver server
* @param int|null $request_timeout_in_ms Set the maximum time of a request to remote Selenium WebDriver server
* @param string|null $http_proxy The proxy to tunnel requests to the remote Selenium WebDriver through
* @param int|null $http_proxy_port The proxy port to tunnel requests to the remote Selenium WebDriver through
* @param DesiredCapabilities $required_capabilities The required capabilities
*
* @return static
*/
public static function create(
$selenium_server_url = 'http://localhost:4444/wd/hub',
$desired_capabilities = null,
$connection_timeout_in_ms = null,
$request_timeout_in_ms = null,
$http_proxy = null,
$http_proxy_port = null,
DesiredCapabilities $required_capabilities = null
) {
$selenium_server_url = preg_replace('#/+$#', '', $selenium_server_url);
$desired_capabilities = self::castToDesiredCapabilitiesObject($desired_capabilities);
$executor = new HttpCommandExecutor($selenium_server_url, $http_proxy, $http_proxy_port);
if ($connection_timeout_in_ms !== null) {
$executor->setConnectionTimeout($connection_timeout_in_ms);
}
if ($request_timeout_in_ms !== null) {
$executor->setRequestTimeout($request_timeout_in_ms);
}
// W3C
$parameters = [
'capabilities' => [
'firstMatch' => [(object) $desired_capabilities->toW3cCompatibleArray()],
],
];
if ($required_capabilities !== null && !empty($required_capabilities->toArray())) {
$parameters['capabilities']['alwaysMatch'] = (object) $required_capabilities->toW3cCompatibleArray();
}
// Legacy protocol
if ($required_capabilities !== null) {
// TODO: Selenium (as of v3.0.1) does accept requiredCapabilities only as a property of desiredCapabilities.
// This has changed with the W3C WebDriver spec, but is the only way how to pass these
// values with the legacy protocol.
$desired_capabilities->setCapability('requiredCapabilities', (object) $required_capabilities->toArray());
}
$parameters['desiredCapabilities'] = (object) $desired_capabilities->toArray();
$command = WebDriverCommand::newSession($parameters);
$response = $executor->execute($command);
return static::createFromResponse($response, $executor);
}
/**
* [Experimental] Construct the RemoteWebDriver by an existing session.
*
* This constructor can boost the performance a lot by reusing the same browser for the whole test suite.
* You cannot pass the desired capabilities because the session was created before.
*
* @param string $selenium_server_url The url of the remote Selenium WebDriver server
* @param string $session_id The existing session id
* @param int|null $connection_timeout_in_ms Set timeout for the connect phase to remote Selenium WebDriver server
* @param int|null $request_timeout_in_ms Set the maximum time of a request to remote Selenium WebDriver server
* @param bool $isW3cCompliant True to use W3C WebDriver (default), false to use the legacy JsonWire protocol
* @return static
*/
public static function createBySessionID(
$session_id,
$selenium_server_url = 'http://localhost:4444/wd/hub',
$connection_timeout_in_ms = null,
$request_timeout_in_ms = null
) {
// BC layer to not break the method signature
$isW3cCompliant = func_num_args() > 4 ? func_get_arg(4) : true;
$executor = new HttpCommandExecutor($selenium_server_url, null, null);
if ($connection_timeout_in_ms !== null) {
$executor->setConnectionTimeout($connection_timeout_in_ms);
}
if ($request_timeout_in_ms !== null) {
$executor->setRequestTimeout($request_timeout_in_ms);
}
if (!$isW3cCompliant) {
$executor->disableW3cCompliance();
}
return new static($executor, $session_id, null, $isW3cCompliant);
}
/**
* Close the current window.
*
* @return RemoteWebDriver The current instance.
*/
public function close()
{
$this->execute(DriverCommand::CLOSE, []);
return $this;
}
/**
* Create a new top-level browsing context.
*
* @codeCoverageIgnore
* @deprecated Use $driver->switchTo()->newWindow()
* @return WebDriver The current instance.
*/
public function newWindow()
{
return $this->switchTo()->newWindow();
}
/**
* Find the first WebDriverElement using the given mechanism.
*
* @param WebDriverBy $by
* @return RemoteWebElement NoSuchElementException is thrown in HttpCommandExecutor if no element is found.
* @see WebDriverBy
*/
public function findElement(WebDriverBy $by)
{
$raw_element = $this->execute(
DriverCommand::FIND_ELEMENT,
JsonWireCompat::getUsing($by, $this->isW3cCompliant)
);
return $this->newElement(JsonWireCompat::getElement($raw_element));
}
/**
* Find all WebDriverElements within the current page using the given mechanism.
*
* @param WebDriverBy $by
* @return RemoteWebElement[] A list of all WebDriverElements, or an empty array if nothing matches
* @see WebDriverBy
*/
public function findElements(WebDriverBy $by)
{
$raw_elements = $this->execute(
DriverCommand::FIND_ELEMENTS,
JsonWireCompat::getUsing($by, $this->isW3cCompliant)
);
$elements = [];
foreach ($raw_elements as $raw_element) {
$elements[] = $this->newElement(JsonWireCompat::getElement($raw_element));
}
return $elements;
}
/**
* Load a new web page in the current browser window.
*
* @param string $url
*
* @return RemoteWebDriver The current instance.
*/
public function get($url)
{
$params = ['url' => (string) $url];
$this->execute(DriverCommand::GET, $params);
return $this;
}
/**
* Get a string representing the current URL that the browser is looking at.
*
* @return string The current URL.
*/
public function getCurrentURL()
{
return $this->execute(DriverCommand::GET_CURRENT_URL);
}
/**
* Get the source of the last loaded page.
*
* @return string The current page source.
*/
public function getPageSource()
{
return $this->execute(DriverCommand::GET_PAGE_SOURCE);
}
/**
* Get the title of the current page.
*
* @return string The title of the current page.
*/
public function getTitle()
{
return $this->execute(DriverCommand::GET_TITLE);
}
/**
* Return an opaque handle to this window that uniquely identifies it within this driver instance.
*
* @return string The current window handle.
*/
public function getWindowHandle()
{
return $this->execute(
DriverCommand::GET_CURRENT_WINDOW_HANDLE,
[]
);
}
/**
* Get all window handles available to the current session.
*
* Note: Do not use `end($driver->getWindowHandles())` to find the last open window, for proper solution see:
* https://github.com/php-webdriver/php-webdriver/wiki/Alert,-tabs,-frames,-iframes#switch-to-the-new-window
*
* @return array An array of string containing all available window handles.
*/
public function getWindowHandles()
{
return $this->execute(DriverCommand::GET_WINDOW_HANDLES, []);
}
/**
* Quits this driver, closing every associated window.
*/
public function quit()
{
$this->execute(DriverCommand::QUIT);
$this->executor = null;
}
/**
* Inject a snippet of JavaScript into the page for execution in the context of the currently selected frame.
* The executed script is assumed to be synchronous and the result of evaluating the script will be returned.
*
* @param string $script The script to inject.
* @param array $arguments The arguments of the script.
* @return mixed The return value of the script.
*/
public function executeScript($script, array $arguments = [])
{
$params = [
'script' => $script,
'args' => $this->prepareScriptArguments($arguments),
];
return $this->execute(DriverCommand::EXECUTE_SCRIPT, $params);
}
/**
* Inject a snippet of JavaScript into the page for asynchronous execution in the context of the currently selected
* frame.
*
* The driver will pass a callback as the last argument to the snippet, and block until the callback is invoked.
*
* You may need to define script timeout using `setScriptTimeout()` method of `WebDriverTimeouts` first.
*
* @param string $script The script to inject.
* @param array $arguments The arguments of the script.
* @return mixed The value passed by the script to the callback.
*/
public function executeAsyncScript($script, array $arguments = [])
{
$params = [
'script' => $script,
'args' => $this->prepareScriptArguments($arguments),
];
return $this->execute(
DriverCommand::EXECUTE_ASYNC_SCRIPT,
$params
);
}
/**
* Take a screenshot of the current page.
*
* @param string $save_as The path of the screenshot to be saved.
* @return string The screenshot in PNG format.
*/
public function takeScreenshot($save_as = null)
{
$screenshot = base64_decode($this->execute(DriverCommand::SCREENSHOT), true);
if ($save_as !== null) {
$directoryPath = dirname($save_as);
if (!file_exists($directoryPath)) {
mkdir($directoryPath, 0777, true);
}
file_put_contents($save_as, $screenshot);
}
return $screenshot;
}
/**
* Status returns information about whether a remote end is in a state in which it can create new sessions.
*/
public function getStatus()
{
$response = $this->execute(DriverCommand::STATUS);
return RemoteStatus::createFromResponse($response);
}
/**
* Construct a new WebDriverWait by the current WebDriver instance.
* Sample usage:
*
* ```
* $driver->wait(20, 1000)->until(
* WebDriverExpectedCondition::titleIs('WebDriver Page')
* );
* ```
* @param int $timeout_in_second
* @param int $interval_in_millisecond
*
* @return WebDriverWait
*/
public function wait($timeout_in_second = 30, $interval_in_millisecond = 250)
{
return new WebDriverWait(
$this,
$timeout_in_second,
$interval_in_millisecond
);
}
/**
* An abstraction for managing stuff you would do in a browser menu. For example, adding and deleting cookies.
*
* @return WebDriverOptions
*/
public function manage()
{
return new WebDriverOptions($this->getExecuteMethod(), $this->isW3cCompliant);
}
/**
* An abstraction allowing the driver to access the browser's history and to navigate to a given URL.
*
* @return WebDriverNavigation
* @see WebDriverNavigation
*/
public function navigate()
{
return new WebDriverNavigation($this->getExecuteMethod());
}
/**
* Switch to a different window or frame.
*
* @return RemoteTargetLocator
* @see RemoteTargetLocator
*/
public function switchTo()
{
return new RemoteTargetLocator($this->getExecuteMethod(), $this, $this->isW3cCompliant);
}
/**
* @return RemoteMouse
*/
public function getMouse()
{
if (!$this->mouse) {
$this->mouse = new RemoteMouse($this->getExecuteMethod(), $this->isW3cCompliant);
}
return $this->mouse;
}
/**
* @return RemoteKeyboard
*/
public function getKeyboard()
{
if (!$this->keyboard) {
$this->keyboard = new RemoteKeyboard($this->getExecuteMethod(), $this, $this->isW3cCompliant);
}
return $this->keyboard;
}
/**
* @return RemoteTouchScreen
*/
public function getTouch()
{
if (!$this->touch) {
$this->touch = new RemoteTouchScreen($this->getExecuteMethod());
}
return $this->touch;
}
/**
* Construct a new action builder.
*
* @return WebDriverActions
*/
public function action()
{
return new WebDriverActions($this);
}
/**
* Set the command executor of this RemoteWebdriver
*
* @deprecated To be removed in the future. Executor should be passed in the constructor.
* @internal
* @codeCoverageIgnore
* @param WebDriverCommandExecutor $executor Despite the typehint, it have be an instance of HttpCommandExecutor.
* @return RemoteWebDriver
*/
public function setCommandExecutor(WebDriverCommandExecutor $executor)
{
$this->executor = $executor;
return $this;
}
/**
* Get the command executor of this RemoteWebdriver
*
* @return HttpCommandExecutor
*/
public function getCommandExecutor()
{
return $this->executor;
}
/**
* Set the session id of the RemoteWebDriver.
*
* @deprecated To be removed in the future. Session ID should be passed in the constructor.
* @internal
* @codeCoverageIgnore
* @param string $session_id
* @return RemoteWebDriver
*/
public function setSessionID($session_id)
{
$this->sessionID = $session_id;
return $this;
}
/**
* Get current selenium sessionID
*
* @return string
*/
public function getSessionID()
{
return $this->sessionID;
}
/**
* Get capabilities of the RemoteWebDriver.
*
* @return WebDriverCapabilities
*/
public function getCapabilities()
{
return $this->capabilities;
}
/**
* Returns a list of the currently active sessions.
*
* @param string $selenium_server_url The url of the remote Selenium WebDriver server
* @param int $timeout_in_ms
* @return array
*/
public static function getAllSessions($selenium_server_url = 'http://localhost:4444/wd/hub', $timeout_in_ms = 30000)
{
$executor = new HttpCommandExecutor($selenium_server_url, null, null);
$executor->setConnectionTimeout($timeout_in_ms);
$command = new WebDriverCommand(
null,
DriverCommand::GET_ALL_SESSIONS,
[]
);
return $executor->execute($command)->getValue();
}
public function execute($command_name, $params = [])
{
$command = new WebDriverCommand(
$this->sessionID,
$command_name,
$params
);
if ($this->executor) {
$response = $this->executor->execute($command);
return $response->getValue();
}
return null;
}
/**
* Execute custom commands on remote end.
* For example vendor-specific commands or other commands not implemented by php-webdriver.
*
* @see https://github.com/php-webdriver/php-webdriver/wiki/Custom-commands
* @param string $endpointUrl
* @param string $method
* @param array $params
* @return mixed|null
*/
public function executeCustomCommand($endpointUrl, $method = 'GET', $params = [])
{
$command = new CustomWebDriverCommand(
$this->sessionID,
$endpointUrl,
$method,
$params
);
if ($this->executor) {
$response = $this->executor->execute($command);
return $response->getValue();
}
return null;
}
/**
* @internal
* @return bool
*/
public function isW3cCompliant()
{
return $this->isW3cCompliant;
}
/**
* Create instance based on response to NEW_SESSION command.
* Also detect W3C/OSS dialect and setup the driver/executor accordingly.
*
* @internal
* @return static
*/
protected static function createFromResponse(WebDriverResponse $response, HttpCommandExecutor $commandExecutor)
{
$responseValue = $response->getValue();
if (!$isW3cCompliant = isset($responseValue['capabilities'])) {
$commandExecutor->disableW3cCompliance();
}
if ($isW3cCompliant) {
$returnedCapabilities = DesiredCapabilities::createFromW3cCapabilities($responseValue['capabilities']);
} else {
$returnedCapabilities = new DesiredCapabilities($responseValue);
}
return new static($commandExecutor, $response->getSessionID(), $returnedCapabilities, $isW3cCompliant);
}
/**
* Prepare arguments for JavaScript injection
*
* @param array $arguments
* @return array
*/
protected function prepareScriptArguments(array $arguments)
{
$args = [];
foreach ($arguments as $key => $value) {
if ($value instanceof WebDriverElement) {
$args[$key] = [
$this->isW3cCompliant ?
JsonWireCompat::WEB_DRIVER_ELEMENT_IDENTIFIER
: 'ELEMENT' => $value->getID(),
];
} else {
if (is_array($value)) {
$value = $this->prepareScriptArguments($value);
}
$args[$key] = $value;
}
}
return $args;
}
/**
* @return RemoteExecuteMethod
*/
protected function getExecuteMethod()
{
if (!$this->executeMethod) {
$this->executeMethod = new RemoteExecuteMethod($this);
}
return $this->executeMethod;
}
/**
* Return the WebDriverElement with the given id.
*
* @param string $id The id of the element to be created.
* @return RemoteWebElement
*/
protected function newElement($id)
{
return new RemoteWebElement($this->getExecuteMethod(), $id, $this->isW3cCompliant);
}
/**
* Cast legacy types (array or null) to DesiredCapabilities object. To be removed in future when instance of
* DesiredCapabilities will be required.
*
* @param array|DesiredCapabilities|null $desired_capabilities
* @return DesiredCapabilities
*/
protected static function castToDesiredCapabilitiesObject($desired_capabilities = null)
{
if ($desired_capabilities === null) {
return new DesiredCapabilities();
}
if (is_array($desired_capabilities)) {
return new DesiredCapabilities($desired_capabilities);
}
return $desired_capabilities;
}
}