moodle/lib/behat/behat_files.php
David Monllao 3897608152 MDL-39635 behat: XPath cleanups
- Escaping steps arguments redirected to other steps
- Adding normalized-space() in all contains() assertions
- General xpaths review
- Convering provided xpath text strings to xpath literals
  to avoid problems with arguments containing both single
  quotes and double quotes
2013-07-19 10:02:36 +02:00

251 lines
10 KiB
PHP

<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
/**
* Files interactions with behat.
*
* Note that steps definitions files can not extend other steps definitions files, so
* steps definitions which makes use of file attachments or filepicker should
* extend behat_files instead of behat_base.
*
* @package core
* @category test
* @copyright 2013 David Monllaó
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
// NOTE: no MOODLE_INTERNAL test here, this file may be required by behat before including /config.php.
require_once(__DIR__ . '/behat_base.php');
use Behat\Mink\Exception\ExpectationException as ExpectationException,
Behat\Mink\Exception\ElementNotFoundException as ElementNotFoundException;
/**
* Files-related actions.
*
* Steps definitions related with filepicker or repositories should extend
* this class instead of behat_base as it provides useful methods to deal
* with the common filepicker issues.
*
* @package core
* @category test
* @copyright 2013 David Monllaó
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class behat_files extends behat_base {
/**
* Gets the filepicker NodeElement.
*
* The filepicker field label is pointing to a hidden input which is
* not recognized as a named selector, as it is hidden...
*
* @throws ExpectationException Thrown by behat_base::find
* @param string $filepickerelement The filepicker form field label
* @return NodeElement The hidden element node.
*/
protected function get_filepicker_node($filepickerelement) {
// More info about the problem (in case there is a problem).
$exception = new ExpectationException('"' . $filepickerelement . '" filepicker can not be found', $this->getSession());
// Gets the ffilemanager node specified by the locator which contains the filepicker container.
$filepickerelement = $this->getSession()->getSelectorsHandler()->xpathLiteral($filepickerelement);
$filepickercontainer = $this->find(
'xpath',
"//input[./@id = //label[normalize-space(.)=$filepickerelement]/@for]" .
"//ancestor::div[contains(concat(' ', normalize-space(@class), ' '), ' ffilemanager ') or " .
"contains(concat(' ', normalize-space(@class), ' '), ' ffilepicker ')]",
$exception
);
return $filepickercontainer;
}
/**
* Performs $action on a filepicker container element (file or folder).
*
* It works together with open_element_contextual_menu
* as this method needs the contextual menu to be opened.
*
* @throws ExpectationException Thrown by behat_base::find
* @param string $action
* @param ExpectationException $exception
* @return void
*/
protected function perform_on_element($action, ExpectationException $exception) {
// Finds the button inside the DOM, is a modal window, so should be unique.
$classname = 'fp-file-' . $action;
$button = $this->find('css', '.yui3-panel-focused button.' . $classname, $exception);
$button->click();
}
/**
* Opens the contextual menu of a folder or a file.
*
* Works both in filepicker elements and when dealing with repository
* elements inside modal windows.
*
* @throws ExpectationException Thrown by behat_base::find
* @param string $name The name of the folder/file
* @param string $filepickerelement The filepicker locator, the whole DOM if false
* @return void
*/
protected function open_element_contextual_menu($name, $filepickerelement = false) {
// If a filepicker is specified we restrict the search to the filepicker descendants.
$containernode = false;
$exceptionmsg = '"'.$name.'" element can not be found';
if ($filepickerelement) {
$containernode = $this->get_filepicker_node($filepickerelement);
$exceptionmsg = 'The "'.$filepickerelement.'" filepicker ' . $exceptionmsg;
}
$exception = new ExpectationException($exceptionmsg, $this->getSession());
// Avoid quote-related problems.
$name = $this->getSession()->getSelectorsHandler()->xpathLiteral($name);
// Get a filepicker element (folder or file).
try {
// First we look at the folder as we need to click on the contextual menu otherwise it would be opened.
$node = $this->find(
'xpath',
"//div[@class='fp-content']" .
"//descendant::*[self::div | self::a][contains(concat(' ', normalize-space(@class), ' '), ' fp-file ')]" .
"[contains(concat(' ', normalize-space(@class), ' '), ' fp-folder ')]" .
"[normalize-space(.)=$name]" .
"//descendant::a[contains(concat(' ', normalize-space(@class), ' '), ' fp-contextmenu ')]",
$exception,
$containernode
);
} catch (ExpectationException $e) {
// Here the contextual menu is hidden, we click on the thumbnail.
$node = $this->find(
'xpath',
"//div[@class='fp-content']" .
"//descendant::*[self::div | self::a][contains(concat(' ', normalize-space(@class), ' '), ' fp-file ')]" .
"[normalize-space(.)=$name]" .
"//descendant::div[contains(concat(' ', normalize-space(@class), ' '), ' fp-thumbnail ')]",
false,
$containernode
);
}
// Click opens the contextual menu when clicking on files.
$node->click();
}
/**
* Opens the 'add file' modal window and selects the repository.
*
* @throws ExpectationException Thrown by behat_base::find
* @param NodeElement $filepickernode The filepicker DOM node.
* @param mixed $repositoryname The repo name.
* @return void
*/
protected function open_add_file_window($filepickernode, $repositoryname) {
$exception = new ExpectationException('No files can be added to the specified filepicker', $this->getSession());
// We should deal with single-file and multiple-file filepickers,
// catching the exception thrown by behat_base::find() in case is not multiple
try {
// Looking for the add button inside the specified filepicker.
$add = $this->find('css', 'div.fp-btn-add a', $exception, $filepickernode);
} catch (Exception $e) {
// Otherwise should be a single-file filepicker.
$add = $this->find('css', 'input.fp-btn-choose', $exception, $filepickernode);
}
$add->click();
// Getting the repository link and opening it.
$repoexception = new ExpectationException('The "' . $repositoryname . '" repository has not been found', $this->getSession());
// Avoid problems with both double and single quotes in the same string.
$repositoryname = $this->getSession()->getSelectorsHandler()->xpathLiteral($repositoryname);
// Here we don't need to look inside the selected filepicker because there can only be one modal window.
$repositorylink = $this->find(
'xpath',
"//div[contains(concat(' ', normalize-space(@class), ' '), ' fp-repo-area ')]" .
"//descendant::span[contains(concat(' ', normalize-space(@class), ' '), ' fp-repo-name ')]" .
"[normalize-space(.)=$repositoryname]",
$repoexception
);
// Selecting the repo.
$repositorylink->click();
}
/**
* Waits until the file manager modal windows are closed.
*
* @throws ExpectationException
* @return void
*/
protected function wait_until_return_to_form() {
$exception = new ExpectationException('The file manager is taking too much time to finish the current action', $this->getSession());
$this->find(
'xpath',
"//div[@id='filesskin']" .
"/descendant::div[contains(concat(' ', @class, ' '), ' yui3-widget-mask ')]" .
"[contains(concat(' ', @style, ' '), ' display: none; ')]",
$exception
);
}
/**
* Checks that the file manager contents are not being updated.
*
* @throws ExpectationException
* @param NodeElement $filepickernode The file manager DOM node
* @return void
*/
protected function wait_until_contents_are_updated($filepickernode) {
$exception = new ExpectationException(
'The file manager contents are requiring too much time to be updated',
$this->getSession()
);
// Looks for the loading image not being displayed. For single-file filepickers is
// only used when accessing the filepicker, there is no filemanager-loading after selecting the file.
$this->find(
'xpath',
"//div[contains(concat(' ', normalize-space(@class), ' '), ' filemanager ')]" .
"[not(contains(concat(' ', normalize-space(@class), ' '), ' fm-updating '))]" .
"|" .
"//div[contains(concat(' ', normalize-space(@class), ' '), ' filemanager-loading ')]" .
"[contains(@style, 'display: none;')]",
$exception,
$filepickernode
);
// After removing the class FileManagerHelper.view_files() performs other actions.
$this->getSession()->wait(4 * 1000, false);
}
}