2017-04-04 17:18:05 +03:00
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<?php
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/**
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*
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* @copyright Copyright (c) 2017, Daniel Calviño Sánchez (danxuliu@gmail.com)
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*
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* @license GNU AGPL version 3 or any later version
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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/**
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* An actor in a test scenario.
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*
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* Every Actor object is intended to be used only in a single test scenario.
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* An Actor can control its web browser thanks to the Mink Session received when
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* it was created, so in each scenario each Actor must have its own Mink
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* Session; the same Mink Session can be used by different Actors in different
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* scenarios, but never by different Actors in the same scenario.
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*
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* The test servers used in an scenario can change between different test runs,
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* so an Actor stores the base URL for the current test server being used; in
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* most cases the tests are specified using relative paths that can be converted
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* to the appropriate absolute URL using locatePath() in the step
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* implementation.
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2017-04-04 17:25:22 +03:00
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*
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* An Actor can find elements in its Mink Session using its find() method; it is
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* a wrapper over the find() method provided by Mink that extends it with
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* several features: the element can be looked for based on a Locator object, an
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* exception is thrown if the element is not found, and, optionally, it is
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* possible to try again to find the element several times before giving up.
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2017-04-15 19:56:24 +03:00
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*
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* The amount of time to wait before giving up is specified in each call to
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* find(). However, a general multiplier to be applied to every timeout can be
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* set using setFindTimeoutMultiplier(); this makes possible to retry longer
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* before giving up without modifying the tests themselves. Note that the
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* multiplier affects the timeout, but not the timeout step; the rate at which
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* find() will try again to find the element does not change.
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2017-04-23 19:40:58 +03:00
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*
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* All actors share a notebook in which data can be annotated. This makes
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* possible to share data between different test steps, no matter which Actor
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* performs them.
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2017-04-04 17:18:05 +03:00
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*/
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class Actor {
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/**
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* @var \Behat\Mink\Session
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*/
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private $session;
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/**
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* @var string
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*/
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private $baseUrl;
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2017-04-15 19:56:24 +03:00
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/**
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* @var float
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*/
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private $findTimeoutMultiplier;
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2017-04-23 19:40:58 +03:00
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/**
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* @var array
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*/
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private $sharedNotebook;
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2017-04-04 17:18:05 +03:00
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/**
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* Creates a new Actor.
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*
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* @param \Behat\Mink\Session $session the Mink Session used to control its
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* web browser.
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* @param string $baseUrl the base URL used when solving relative URLs.
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2017-04-23 19:40:58 +03:00
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* @param array $sharedNotebook the notebook shared between all actors.
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2017-04-04 17:18:05 +03:00
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*/
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2017-04-23 19:40:58 +03:00
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public function __construct(\Behat\Mink\Session $session, $baseUrl, &$sharedNotebook) {
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2017-04-04 17:18:05 +03:00
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$this->session = $session;
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$this->baseUrl = $baseUrl;
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2017-04-23 19:40:58 +03:00
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$this->sharedNotebook = &$sharedNotebook;
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2017-04-15 19:56:24 +03:00
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$this->findTimeoutMultiplier = 1;
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2017-04-04 17:18:05 +03:00
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}
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/**
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* Sets the base URL.
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*
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* @param string $baseUrl the base URL used when solving relative URLs.
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*/
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public function setBaseUrl($baseUrl) {
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$this->baseUrl = $baseUrl;
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}
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2017-04-15 19:56:24 +03:00
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/**
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* Sets the multiplier for find timeouts.
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*
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* @param float $findTimeoutMultiplier the multiplier to apply to find
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* timeouts.
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*/
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public function setFindTimeoutMultiplier($findTimeoutMultiplier) {
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$this->findTimeoutMultiplier = $findTimeoutMultiplier;
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}
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2017-04-04 17:18:05 +03:00
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/**
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* Returns the Mink Session used to control its web browser.
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*
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* @return \Behat\Mink\Session the Mink Session used to control its web
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* browser.
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*/
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public function getSession() {
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return $this->session;
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}
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/**
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* Returns the full path for the given relative path based on the base URL.
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*
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* @param string relativePath the relative path.
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* @return string the full path.
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*/
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public function locatePath($relativePath) {
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return $this->baseUrl . $relativePath;
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}
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2017-04-04 17:25:22 +03:00
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/**
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* Finds an element in the Mink Session of this Actor.
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*
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* The given element locator is relative to its ancestor (either another
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* locator or an actual element); if it has no ancestor then the base
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* document element is used.
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*
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* Sometimes an element may not be found simply because it has not appeared
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* yet; for those cases this method supports trying again to find the
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* element several times before giving up. The timeout parameter controls
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* how much time to wait, at most, to find the element; the timeoutStep
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* parameter controls how much time to wait before trying again to find the
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* element. If ancestor locators need to be found the timeout is applied
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* individually to each one, that is, if the timeout is 10 seconds the
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* method will wait up to 10 seconds to find the ancestor of the ancestor
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* and, then, up to 10 seconds to find the ancestor and, then, up to 10
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* seconds to find the element. By default the timeout is 0, so the element
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* and its ancestor will be looked for just once; the default time to wait
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2017-04-15 19:56:24 +03:00
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* before retrying is half a second. If the timeout is not 0 it will be
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* affected by the multiplier set using setFindTimeoutMultiplier(), if any.
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2017-04-04 17:25:22 +03:00
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*
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* In any case, if the element, or its ancestors, can not be found a
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* NoSuchElementException is thrown.
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*
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* @param Locator $elementLocator the locator for the element.
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* @param float $timeout the number of seconds (decimals allowed) to wait at
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* most for the element to appear.
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* @param float $timeoutStep the number of seconds (decimals allowed) to
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* wait before trying to find the element again.
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* @return \Behat\Mink\Element\Element the element found.
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* @throws NoSuchElementException if the element, or its ancestor, can not
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* be found.
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*/
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2017-05-04 13:10:02 +03:00
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public function find(Locator $elementLocator, $timeout = 0, $timeoutStep = 0.5) {
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2017-04-15 19:56:24 +03:00
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$timeout = $timeout * $this->findTimeoutMultiplier;
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2017-05-04 14:03:14 +03:00
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$elementFinder = new ElementFinder($this->session, $elementLocator, $timeout, $timeoutStep);
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2017-04-04 17:25:22 +03:00
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2017-05-04 14:03:14 +03:00
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return $elementFinder->find();
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2017-04-04 17:25:22 +03:00
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}
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2017-04-23 19:40:58 +03:00
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/**
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* Returns the shared notebook of the Actors.
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*
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* @return array the shared notebook of the Actors.
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*/
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public function &getSharedNotebook() {
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return $this->sharedNotebook;
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}
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2017-04-04 17:18:05 +03:00
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}
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