Chris@0: <?php
Chris@0: /**
Chris@0:  * Copyright 2004-2017 Facebook. All Rights Reserved.
Chris@0:  *
Chris@0:  * Licensed under the Apache License, Version 2.0 (the "License");
Chris@0:  * you may not use this file except in compliance with the License.
Chris@0:  * You may obtain a copy of the License at
Chris@0:  *
Chris@0:  *     http://www.apache.org/licenses/LICENSE-2.0
Chris@0:  *
Chris@0:  * Unless required by applicable law or agreed to in writing, software
Chris@0:  * distributed under the License is distributed on an "AS IS" BASIS,
Chris@0:  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
Chris@0:  * See the License for the specific language governing permissions and
Chris@0:  * limitations under the License.
Chris@0:  *
Chris@0:  * @package WebDriver
Chris@0:  *
Chris@0:  * @author Justin Bishop <jubishop@gmail.com>
Chris@0:  * @author Anthon Pang <apang@softwaredevelopment.ca>
Chris@0:  * @author Fabrizio Branca <mail@fabrizio-branca.de>
Chris@0:  */
Chris@0: 
Chris@0: namespace WebDriver;
Chris@0: 
Chris@0: use WebDriver\Exception as WebDriverException;
Chris@0: 
Chris@0: /**
Chris@0:  * Abstract WebDriver\Container class
Chris@0:  *
Chris@0:  * @package WebDriver
Chris@0:  */
Chris@0: abstract class Container extends AbstractWebDriver
Chris@0: {
Chris@0:     /**
Chris@0:      * {@inheritdoc}
Chris@0:      */
Chris@0:     public function __construct($url = 'http://localhost:4444/wd/hub')
Chris@0:     {
Chris@0:         parent::__construct($url);
Chris@0: 
Chris@0:         $locatorStrategy = new \ReflectionClass('WebDriver\LocatorStrategy');
Chris@0:         $this->strategies  = $locatorStrategy->getConstants();
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Find element: /session/:sessionId/element (POST)
Chris@0:      * Find child element: /session/:sessionId/element/:id/element (POST)
Chris@0:      * Search for element on page, starting from the document root.
Chris@0:      *
Chris@0:      * @param string $using the locator strategy to use
Chris@0:      * @param string $value the search target
Chris@0:      *
Chris@0:      * @return \WebDriver\Element
Chris@0:      *
Chris@0:      * @throws \WebDriver\Exception if element not found, or invalid XPath
Chris@0:      */
Chris@0:     public function element($using = null, $value = null)
Chris@0:     {
Chris@0:         $locatorJson = $this->parseArgs('element', func_get_args());
Chris@0: 
Chris@0:         try {
Chris@0:             $result = $this->curl(
Chris@0:                 'POST',
Chris@0:                 '/element',
Chris@0:                 $locatorJson
Chris@0:             );
Chris@0:         } catch (WebDriverException\NoSuchElement $e) {
Chris@0:             throw WebDriverException::factory(
Chris@0:                 WebDriverException::NO_SUCH_ELEMENT,
Chris@0:                 sprintf(
Chris@0:                     "Element not found with %s, %s\n\n%s",
Chris@0:                     $locatorJson['using'],
Chris@0:                     $locatorJson['value'],
Chris@0:                     $e->getMessage()
Chris@0:                 ),
Chris@0:                 $e
Chris@0:             );
Chris@0:         }
Chris@0: 
Chris@0:         $element = $this->webDriverElement($result['value']);
Chris@0: 
Chris@0:         if ($element === null) {
Chris@0:             throw WebDriverException::factory(
Chris@0:                 WebDriverException::NO_SUCH_ELEMENT,
Chris@0:                 sprintf(
Chris@0:                     "Element not found with %s, %s\n",
Chris@0:                     $locatorJson['using'],
Chris@0:                     $locatorJson['value']
Chris@0:                 )
Chris@0:             );
Chris@0:         }
Chris@0: 
Chris@0:         return $element;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Find elements: /session/:sessionId/elements (POST)
Chris@0:      * Find child elements: /session/:sessionId/element/:id/elements (POST)
Chris@0:      * Search for multiple elements on page, starting from the document root.
Chris@0:      *
Chris@0:      * @param string $using the locator strategy to use
Chris@0:      * @param string $value the search target
Chris@0:      *
Chris@0:      * @return array
Chris@0:      *
Chris@0:      * @throws \WebDriver\Exception if invalid XPath
Chris@0:      */
Chris@0:     public function elements($using = null, $value = null)
Chris@0:     {
Chris@0:         $locatorJson = $this->parseArgs('elements', func_get_args());
Chris@0: 
Chris@0:         $result = $this->curl(
Chris@0:             'POST',
Chris@0:             '/elements',
Chris@0:             $locatorJson
Chris@0:         );
Chris@0: 
Chris@0:         if (!is_array($result['value'])) {
Chris@0:             return array();
Chris@0:         }
Chris@0: 
Chris@0:         return array_filter(
Chris@0:             array_map(
Chris@0:                 array($this, 'webDriverElement'),
Chris@0:                 $result['value']
Chris@0:             )
Chris@0:         );
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Parse arguments allowing either separate $using and $value parameters, or
Chris@0:      * as an array containing the JSON parameters
Chris@0:      *
Chris@0:      * @param string $method method name
Chris@0:      * @param array  $argv   arguments
Chris@0:      *
Chris@0:      * @return array
Chris@0:      *
Chris@0:      * @throws \WebDriver\Exception if invalid number of arguments to the called method
Chris@0:      */
Chris@0:     private function parseArgs($method, $argv)
Chris@0:     {
Chris@0:         $argc = count($argv);
Chris@0: 
Chris@0:         switch ($argc) {
Chris@0:             case 2:
Chris@0:                 $using = $argv[0];
Chris@0:                 $value = $argv[1];
Chris@0:                 break;
Chris@0: 
Chris@0:             case 1:
Chris@0:                 $arg = $argv[0];
Chris@0: 
Chris@0:                 if (is_array($arg)) {
Chris@0:                     $using = $arg['using'];
Chris@0:                     $value = $arg['value'];
Chris@0:                     break;
Chris@0:                 }
Chris@0: 
Chris@0:                 // fall through
Chris@0:             default:
Chris@0:                 throw WebDriverException::factory(
Chris@0:                     WebDriverException::JSON_PARAMETERS_EXPECTED,
Chris@0:                     sprintf('Invalid arguments to %s method: %s', $method, print_r($argv, true))
Chris@0:                 );
Chris@0:         }
Chris@0: 
Chris@0:         return $this->locate($using, $value);
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Return JSON parameter for element / elements command
Chris@0:      *
Chris@0:      * @param string $using locator strategy
Chris@0:      * @param string $value search target
Chris@0:      *
Chris@0:      * @return array
Chris@0:      *
Chris@0:      * @throws \WebDriver\Exception if invalid locator strategy
Chris@0:      */
Chris@0:     public function locate($using, $value)
Chris@0:     {
Chris@0:         if (!in_array($using, $this->strategies)) {
Chris@0:             throw WebDriverException::factory(
Chris@0:                 WebDriverException::UNKNOWN_LOCATOR_STRATEGY,
Chris@0:                 sprintf('Invalid locator strategy %s', $using)
Chris@0:             );
Chris@0:         }
Chris@0: 
Chris@0:         return array(
Chris@0:             'using' => $using,
Chris@0:             'value' => $value,
Chris@0:         );
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Return WebDriver\Element wrapper for $value
Chris@0:      *
Chris@0:      * @param mixed $value
Chris@0:      *
Chris@0:      * @return \WebDriver\Element|null
Chris@0:      */
Chris@0:     protected function webDriverElement($value)
Chris@0:     {
Chris@0:         return array_key_exists('ELEMENT', (array) $value)
Chris@0:             ? new Element(
Chris@0:                 $this->getElementPath($value['ELEMENT']), // url
Chris@0:                 $value['ELEMENT'] // id
Chris@0:             )
Chris@0:             : null;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * {@inheritdoc}
Chris@0:      */
Chris@0:     public function __call($name, $arguments)
Chris@0:     {
Chris@0:         if (count($arguments) === 1 && in_array(str_replace('_', ' ', $name), $this->strategies)) {
Chris@0:             return $this->locate($name, $arguments[0]);
Chris@0:         }
Chris@0: 
Chris@0:         // fallback to executing WebDriver commands
Chris@0:         return parent::__call($name, $arguments);
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Get wire protocol URL for an element
Chris@0:      *
Chris@0:      * @param string $elementId
Chris@0:      *
Chris@0:      * @return string
Chris@0:      */
Chris@0:     abstract protected function getElementPath($elementId);
Chris@0: }