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<?php
/*
Copyright 2011 3e software house & interactive agency
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
require_once 'WebElement.php';
require_once 'WebDriverResponseStatus.php';
require_once 'WebDriverException.php';
require_once 'NoSuchElementException.php';
class WebDriverBase {
protected $requestURL;
protected $_curl;
function __construct($_seleniumUrl) {
$this->requestURL = $_seleniumUrl;
}
protected function &curlInit( $url ) {
if( $this->_curl === null ) {
$this->_curl = curl_init( $url );
} else {
curl_setopt( $this->_curl, CURLOPT_HTTPGET, true );
curl_setopt( $this->_curl, CURLOPT_URL, $url );
}
curl_setopt( $this->_curl, CURLOPT_HTTPHEADER, array("application/json;charset=UTF-8"));
curl_setopt( $this->_curl, CURLOPT_RETURNTRANSFER, true );
curl_setopt( $this->_curl, CURLOPT_FOLLOWLOCATION, true );
curl_setopt( $this->_curl, CURLOPT_HEADER, false );
// print_r($url."\n");
return $this->_curl;
}
protected function curlClose() {
if( $this->_curl !== null ) {
curl_close( $this->_curl );
$this->_curl = null;
}
}
protected function preparePOST($session, $postargs) {
curl_setopt($session, CURLOPT_POST, true);
if ($postargs) {
curl_setopt($session, CURLOPT_POSTFIELDS, $postargs);
}
}
/**
* Execute POST request
* @param string $request URL REST request
* @param string $postargs POST data
* @return string $response Response from POST request
*/
protected function execute_rest_request_POST($request, $postargs) {
$session = $this->curlInit($request);
$this->preparePOST($session, $postargs);
$response = trim(curl_exec($session));
return $response;
}
protected function prepareGET( $session ) {
//curl_setopt($session, CURLOPT_GET, true);
}
protected function prepareDELETE($session) {
curl_setopt($session, CURLOPT_CUSTOMREQUEST, 'DELETE');
}
/**
* Execute GET request
* @param string $request URL REST request
* @return string $response Response from GET request
*/
protected function execute_rest_request_GET($request) {
$session = $this->curlInit($request);
$this->prepareGET($session);
$response = curl_exec($session);
return $response;
}
/**
* Function checks if there was error in last command excecution.
* If there was an error - new Exception is thrown.
* @param Curl_session $session
*/
protected function handleError($session, $response) {
$last_error = curl_errno($session);
print_r('last_error = ' . $last_error);
if ($last_error == 500) { // selenium error
print_r($response);
throw new WebDriverException($message, $code, $previous);
} else
if ($last_error != 0) { // unknown error
print_r($response);
throw new WebDriverException($message, $code, $previous);
}
}
/**
* Function analyses status attribute of the response.
* For some statuses it throws exception (for example NoSuchElementException).
* @param string $json_response
*/
protected function handleResponse($json_response) {
$status = $json_response->{'status'};
switch ($status) {
case WebDriverResponseStatus::Success:
return;
break;
case WebDriverResponseStatus::NoSuchElement:
throw new NoSuchElementException($json_response);
break;
default:
print_r($json_response);
throw new WebDriverException($status, 99, null);
break;
}
/*
* 0 Success The command executed successfully.
7 NoSuchElement An element could not be located on the page using the given search parameters.
8 NoSuchFrame A request to switch to a frame could not be satisfied because the frame could not be found.
9 UnknownCommand The requested resource could not be found, or a request was received using an HTTP method that is not supported by the mapped resource.
10 StaleElementReference An element command failed because the referenced element is no longer attached to the DOM.
11 ElementNotVisible An element command could not be completed because the element is not visible on the page.
12 InvalidElementState An element command could not be completed because the element is in an invalid state (e.g. attempting to click a disabled element).
13 UnknownError An unknown server-side error occurred while processing the command.
15 ElementIsNotSelectable An attempt was made to select an element that cannot be selected.
17 JavaScriptError An error occurred while executing user supplied JavaScript.
19 XPathLookupError An error occurred while searching for an element by XPath.
23 NoSuchWindow A request to switch to a different window could not be satisfied because the window could not be found.
24 InvalidCookieDomain An illegal attempt was made to set a cookie under a different domain than the current page.
25 UnableToSetCookie A request to set a cookie's value could not be satisfied.
28 Timeout A command did not complete before its timeout expired.
*/
}
/**
* Search for an element on the page, starting from the document root.
* @param string $locatorStrategy
* @param string $value
* @return WebElement found element
*/
public function findElementBy($locatorStrategy, $value) {
$request = $this->requestURL . "/element";
$session = $this->curlInit($request);
//$postargs = "{'using':'" . $locatorStrategy . "', 'value':'" . $value . "'}";
$args = array('using' => $locatorStrategy, 'value' => $value);
$postargs = json_encode($args);
$this->preparePOST($session, $postargs);
$response = curl_exec($session);
$json_response = json_decode(trim($response));
if (!$json_response) {
return null;
}
$this->handleResponse($json_response);
$element = $json_response->{'value'};
/*
if (!$element || !isset($element->ELEMENT)) {
return null;
}*/
return new WebElement($this, $element, null);
}
/**
* Search for an element on the page, starting from the document root.
* @return WebElement found element
*/
public function findActiveElement() {
$request = $this->requestURL . "/element/active";
$session = $this->curlInit($request);
$this->preparePOST($session, null);
$response = curl_exec($session);
$json_response = json_decode(trim($response));
if (!$json_response) {
return null;
}
$this->handleResponse($json_response);
$element = $json_response->{'value'};
return new WebElement($this, $element, null);
}
/**
* Search for multiple elements on the page, starting from the document root.
* @param string $locatorStrategy
* @param string $value
* @return array of WebElement
*/
public function findElementsBy($locatorStrategy, $value) {
$request = $this->requestURL . "/elements";
$session = $this->curlInit($request);
//$postargs = "{'using':'" . $locatorStrategy . "', 'value':'" . $value . "'}";
$args = array('using' => $locatorStrategy, 'value' => $value);
$postargs = json_encode($args);
$this->preparePOST($session, $postargs);
$response = trim(curl_exec($session));
$json_response = json_decode($response);
$elements = $json_response->{'value'};
$webelements = array();
foreach ($elements as $key => $element) {
$webelements[] = new WebElement($this, $element, null);
}
return $webelements;
}
/**
* Function returns value of 'value' attribute in JSON string
* @example extractValueFromJsonResponse("{'name':'John', 'value':'123'}")=='123'
* @param string $json JSON string with value attrubute to extract
* @return string value of 'value' attribute
*/
public function extractValueFromJsonResponse($json) {
$json = json_decode(trim($json));
if ($json && isset($json->value)) {
return $json->value;
}
return null;
}
}
?>
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