Proyectos de Subversion Moodle

<?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/>.

/**

 * Navigation step definition overrides for the Classic theme.

 *

 * @package    theme_classic

 * @category   test

 * @copyright  2019 Michael Hawkins

 * @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__ . '/../../../../lib/tests/behat/behat_navigation.php');

use Behat\Mink\Exception\ExpectationException as ExpectationException;

use Behat\Mink\Exception\ElementNotFoundException as ElementNotFoundException;

/**

 * Step definitions and overrides to navigate through the navigation tree nodes in the Classic theme.

 *

 * @package    theme_classic

 * @category   test

 * @copyright  2019 Michael Hawkins

 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later

 */

class behat_theme_classic_behat_navigation extends behat_navigation {

    /**

     * Navigate to an item in a current page administration menu.

     *

     * @throws ExpectationException

     * @param string $nodetext The navigation node/path to follow, eg "Course administration > Edit settings"

     * @return void

     */

    public function i_navigate_to_in_current_page_administration($nodetext) {

        $parentnodes = array_map('trim', explode('>', $nodetext));

        // Find the name of the first category of the administration block tree.

        $xpath = "//section[contains(@class,'block_settings')]//div[@id='settingsnav']/ul[1]/li[1]/p[1]/span";

        $node = $this->find('xpath', $xpath);

        array_unshift($parentnodes, $node->getText());

        $lastnode = array_pop($parentnodes);

        try {

            $this->select_node_in_navigation($lastnode, $parentnodes);

        } catch (Exception $e) {

            try {

                $this->execute("behat_general::click_link", $lastnode);

            } catch (Exception $e) {

                // We must be in a weird state i.e. Add competencies to course.

                $this->execute("behat_general::click_link", array_pop($parentnodes));

                $this->execute('behat_forms::press_button', $lastnode);

            }

        }

    }

    /**

     * Navigate to an item within the site administration menu.

     *

     * @throws ExpectationException

     * @param string $nodetext The navigation node/path to follow, excluding "Site administration" itself, eg "Grades > Scales"

     * @return void

     */

    public function i_navigate_to_in_site_administration($nodetext) {

        $parentnodes = array_map('trim', explode('>', $nodetext));

        array_unshift($parentnodes, get_string('administrationsite'));

        $lastnode = array_pop($parentnodes);

        $this->select_node_in_navigation($lastnode, $parentnodes);

    }

    /**

     * Helper function to get top navigation node in the tree.

     *

     * @throws ExpectationException if node not found.

     * @param string $nodetext name of top navigation node in tree.

     * @return NodeElement

     */

    protected function get_top_navigation_node($nodetext) {

        // Avoid problems with quotes.

        $nodetextliteral = behat_context_helper::escape($nodetext);

        $exception = new ExpectationException('Top navigation node "' . $nodetext . '" not found', $this->getSession());

        $xpath = // Navigation block.

                "//div[contains(concat(' ', normalize-space(@class), ' '), ' content ')]" .

                "/ul[contains(concat(' ', normalize-space(@class), ' '), ' block_tree ')]" .

                "/li[contains(concat(' ', normalize-space(@class), ' '), ' contains_branch ')]" .

                "/ul/li[contains(concat(' ', normalize-space(@class), ' '), ' contains_branch ')]" .

                "[p[contains(concat(' ', normalize-space(@class), ' '), ' branch ')]" .

                "[span[normalize-space(.)={$nodetextliteral}] or a[normalize-space(.)={$nodetextliteral}]]]" .

                "|" .

                // Administration block.

                "//div[contains(concat(' ', normalize-space(@class), ' '), ' content ')]/div" .

                "/ul[contains(concat(' ', normalize-space(@class), ' '), ' block_tree ')]" .

                "/li[contains(concat(' ', normalize-space(@class), ' '), ' contains_branch ')]" .

                "/ul/li[contains(concat(' ', normalize-space(@class), ' '), ' contains_branch ')]" .

                "[p[contains(concat(' ', normalize-space(@class), ' '), ' branch ')]" .

                "/span[normalize-space(.)={$nodetextliteral}]]" .

                "|" .

                "//div[contains(concat(' ', normalize-space(@class), ' '), ' content ')]/div" .

                "/ul[contains(concat(' ', normalize-space(@class), ' '), ' block_tree ')]" .

                "/li[p[contains(concat(' ', normalize-space(@class), ' '), ' branch ')]" .

                "/span[normalize-space(.)={$nodetextliteral}]]" .

                "|" .

                "//div[contains(concat(' ', normalize-space(@class), ' '), ' content ')]/div" .

                "/ul[contains(concat(' ', normalize-space(@class), ' '), ' block_tree ')]" .

                "/li[p[contains(concat(' ', normalize-space(@class), ' '), ' branch ')]" .

                "/a[normalize-space(.)={$nodetextliteral}]]";

        $node = $this->find('xpath', $xpath, $exception);

        return $node;

    }

    /**

     * Check that current page administration contains an element.

     *

     * @throws ElementNotFoundException

     * @param string $element The locator of the specified selector.

     *     This may be a path, for example "Subscription mode > Forced subscription"

     * @param string $selectortype The selector type (link or text)

     * @return void

     */

    public function should_exist_in_current_page_administration($element, $selectortype) {

        $nodes = array_map('trim', explode('>', $element));

        $nodetext = end($nodes);

        // Find administration menu.

        $rootxpath = $this->find_header_administration_menu() ?: $this->find_page_administration_menu(true);

        $menuxpath = $rootxpath . '/p/../ul[1]';

        for ($i = 0; $i < (count($nodes) - 1); $i++) {

            $menuxpath .= "/li/p/span[contains(text(), '{$nodes[$i]}')]/../../ul[1]";

        }

        if ($selectortype == 'link') {

            $menuxpath .= "/li/p[a[contains(text(), '{$nodetext}')]";

            $menuxpath .= "|a/span[contains(text(), '{$nodetext}')]]";

        } else {

            $menuxpath .= "/li/p/span[contains(text(), '{$nodes[$i]}')]";

        }

        $exception = new ElementNotFoundException($this->getSession(), "\"{$element}\" \"{$selectortype}\"");

        try {

            $this->find('xpath', $menuxpath, $exception);

        } catch (Exception $e) {

            // For question bank a different approach.

            $menuxpath = $rootxpath . "//div[contains(@class, 'dropdown-menu')]";

            if ($selectortype === 'link') {

                $menuxpath .= "//a[contains(text(), 'Categories')]";

            }

            $this->find('xpath', $menuxpath, $e);

        }

    }

    /**

     * Check that current page administration does not contains an element.

     *

     * @throws ExpectationException

     * @param string $element The locator of the specified selector.

     *     This may be a path, for example "Subscription mode > Forced subscription"

     * @param string $selectortype The selector type (link or text)

     * @return void

     */

    public function should_not_exist_in_current_page_administration($element, $selectortype) {

        try {

            $menuxpath = $this->find_header_administration_menu() ?: $this->find_page_administration_menu(true);

        } catch (Exception $e) {

            // If an exception was thrown, it means the root note does not exist, so we can conclude the test is a success.

            return;

        }

        // Test if the element exists.

        try {

            $this->should_exist_in_current_page_administration($element, $selectortype);

        } catch (ElementNotFoundException $e) {

            // If an exception was thrown, it means the element does not exist, so the test is successful.

            return;

        }

        // If the try block passed, the element exists, so throw an exception.

        $exception = 'The "' . $element . '" "' . $selectortype . '" was found, but should not exist';

        throw new ExpectationException($exception, $this->getSession());

    }

    /**

     * Check that the page administration menu exists on the page.

     *

     * This confirms the existence of the menu, which authorised users should have access to.

     * @Given /^I should see the page administration menu$/

     *

     * @throws ExpectationException

     * @return void

     */

    public function page_administration_exists() {

        $menuxpath = "//section[contains(@class,'block_settings')]//div[@id='settingsnav']";

        $this->ensure_element_exists($menuxpath, 'xpath_element');

    }

    /**

     * Check that the page administration menu does not exist on the page.

     *

     * This confirms the absence of the menu, which unauthorised users should not have access to.

     * @Given /^I should not see the page administration menu$/

     *

     * @throws ExpectationException

     * @return void

     */

    public function page_administration_does_not_exist() {

        $menuxpath = "//section[contains(@class,'block_settings')]//div[@id='settingsnav']";

        $this->ensure_element_does_not_exist($menuxpath, 'xpath_element');

    }

    /**

     * Locate the administration menu on the page (but not in the header) and return its xpath.

     *

     * @throws ElementNotFoundException

     * @param bool $mustexist If true, throws an exception if menu is not found

     * @return null|string

     */

    protected function find_page_administration_menu($mustexist = false) {

        $menuxpath = "//section[contains(@class,'block_settings')]//div[@id='settingsnav']/ul[1]/li[1]";

        if ($mustexist) {

            $exception = new ElementNotFoundException($this->getSession(), 'Page administration menu');

            $this->find('xpath', $menuxpath, $exception);

        } else if (!$this->getSession()->getPage()->find('xpath', $menuxpath)) {

            return null;

        }

        return $menuxpath;

    }

    /**

     * Turns editing mode off.

     */

    public function i_turn_editing_mode_off(): void {

        $buttonnames = [get_string('turneditingoff'), get_string('updatemymoodleoff'), get_string('blockseditoff')];

        foreach ($buttonnames as $buttonname) {

            if ($editbutton = $this->getSession()->getPage()->findButton($buttonname)) {

                $this->execute('behat_general::i_click_on', [$editbutton, 'NodeElement']);

                return;

            }

        }

        // Click the turneditingoff link in the Site Administration block.

        if ($this->is_editing_on()) {

            $this->execute('behat_general::i_click_on', [get_string('turneditingoff'), "link"]);

        }

    }

    /**

     * Turns editing mode on.

     */

    public function i_turn_editing_mode_on(): void {

        $buttonnames = [get_string('turneditingon'), get_string('updatemymoodleon'), get_string('blocksediton')];

        foreach ($buttonnames as $buttonname) {

            if ($editbutton = $this->getSession()->getPage()->findButton($buttonname)) {

                $this->execute('behat_general::i_click_on', [$editbutton, 'NodeElement']);

                return;

            }

        }

        if (!$this->is_editing_on()) {

            $this->execute('behat_general::i_click_on', [get_string('turneditingon'), "link"]);

        }

    }

    /**

     * Finds and clicks a link on the admin page (site administration or course administration)

     *

     * @param array $nodelist

     */

    protected function select_on_administration_page($nodelist) {

        $parentnodes = $nodelist;

        $lastnode = array_pop($parentnodes);

        $xpath = '//section[@id=\'region-main\']';

        // Check if there is a separate tab for this submenu of the page. If found go to it.

        if ($parentnodes) {

            $tabname = behat_context_helper::escape($parentnodes[0]);

            $tabxpath = '//ul[@role=\'tablist\']/li/a[contains(normalize-space(.), ' . $tabname . ')]';

            $menubarxpath = '//ul[@role=\'menubar\']/li/a[contains(normalize-space(.), ' . $tabname . ')]';

            $linkname = behat_context_helper::escape(get_string('moremenu'));

            $menubarmorexpath = '//ul[@role=\'menubar\']/li/a[contains(normalize-space(.), ' . $linkname . ')]';

            $tabnode = $this->getSession()->getPage()->find('xpath', $tabxpath);

            $menunode = $this->getSession()->getPage()->find('xpath', $menubarxpath);

            $menubuttons = $this->getSession()->getPage()->findAll('xpath', $menubarmorexpath);

            if ($tabnode || $menunode) {

                $node = is_object($tabnode) ? $tabnode : $menunode;

                if ($this->running_javascript()) {

                    $this->execute('behat_general::i_click_on', [$node, 'NodeElement']);

                    // Click on the tab and add 'active' tab to the xpath.

                    $xpath .= '//div[contains(@class,\'active\')]';

                } else {

                    // Add the tab content selector to the xpath.

                    $tabid = behat_context_helper::escape(ltrim($node->getAttribute('href'), '#'));

                    $xpath .= '//div[@id = ' . $tabid . ']';

                }

                array_shift($parentnodes);

            } else if (count($menubuttons) > 0) {

                try {

                    $menubuttons[0]->isVisible();

                    try {

                        $this->execute('behat_general::i_click_on', [$menubuttons[1], 'NodeElement']);

                    } catch (Exception $e) {

                        $this->execute('behat_general::i_click_on', [$menubuttons[0], 'NodeElement']);

                    }

                    $moreitemxpath = '//ul[@data-region=\'moredropdown\']/li/a[contains(normalize-space(.), ' . $tabname . ')]';

                    if ($morenode = $this->getSession()->getPage()->find('xpath', $moreitemxpath)) {

                        $this->execute('behat_general::i_click_on', [$morenode, 'NodeElement']);

                        $xpath .= '//div[contains(@class,\'active\')]';

                        array_shift($parentnodes);

                    }

                } catch (Exception $e) {

                    return;

                }

            }

        }

        // Find a section with the parent name in it.

        if ($parentnodes) {

            // Find the section on the page (links may be repeating in different sections).

            $section = behat_context_helper::escape($parentnodes[0]);

            $xpath .= '//div[@class=\'row\' and contains(.,'.$section.')]';

        }

        // Find a link and click on it.

        $linkname = behat_context_helper::escape($lastnode);

        $xpath .= '//a[contains(normalize-space(.), ' . $linkname . ')]';

        if (!$node = $this->getSession()->getPage()->find('xpath', $xpath)) {

            throw new ElementNotFoundException($this->getSession(), 'Link "' . join(' > ', $nodelist) . '"');

        }

        $this->execute('behat_general::i_click_on', [$node, 'NodeElement']);

    }

    /**

     * Locates the administration menu in the <header> element and returns its xpath

     *

     * @param bool $mustexist if specified throws an exception if menu is not found

     * @return null|string

     */

    protected function find_header_administration_menu($mustexist = false) {

        $menuxpath = '//header[@id=\'page-header\']//div[contains(@class,\'moodle-actionmenu\')]';

        if ($mustexist) {

            $exception = new ElementNotFoundException($this->getSession(), 'Page header administration menu');

            $this->find('xpath', $menuxpath, $exception);

        } else if (!$this->getSession()->getPage()->find('xpath', $menuxpath)) {

            return null;

        }

        return $menuxpath;

    }

    /**

     * Toggles administration menu

     *

     * @param string $menuxpath (optional) xpath to the page administration menu if already known

     */

    protected function toggle_page_administration_menu($menuxpath = null) {

        if (!$menuxpath) {

            $menuxpath = $this->find_header_administration_menu() ?: $this->find_page_administration_menu();

        }

        if ($menuxpath && $this->running_javascript()) {

            $node = $this->find('xpath', $menuxpath . '//a[@data-toggle=\'dropdown\']');

            $this->execute('behat_general::i_click_on', [$node, 'NodeElement']);

        }

    }

    /**

     * Finds a page edit cog and select an item from it

     *

     * If the page edit cog is in the page header and the item is not found there, click "More..." link

     * and find the item on the course/frontpage administration page

     *

     * @param array $nodelist

     * @throws ElementNotFoundException

     */

    protected function select_from_administration_menu($nodelist) {

        // Find administration menu.

        if ($menuxpath = $this->find_header_administration_menu()) {

            $isheader = true;

        } else {

            $menuxpath = $this->find_page_administration_menu(true);

            $isheader = false;

        }

        $this->execute('behat_navigation::toggle_page_administration_menu', [$menuxpath]);

        if (!$isheader || count($nodelist) == 1) {

            $lastnode = end($nodelist);

            $linkname = behat_context_helper::escape($lastnode);

            $link = $this->getSession()->getPage()->find('xpath', $menuxpath . '//a[contains(normalize-space(.), ' .

                $linkname . ')]'

            );

            if ($link) {

                $this->execute('behat_general::i_click_on', [$link, 'NodeElement']);

                return;

            }

        }

        if ($isheader) {

            // Course administration and Front page administration will have subnodes under "More...".

            $linkname = behat_context_helper::escape(get_string('morenavigationlinks'));

            $link = $this->getSession()->getPage()->find('xpath', $menuxpath . '//a[contains(normalize-space(.), ' .

                $linkname . ')]'

            );

            if ($link) {

                $this->execute('behat_general::i_click_on', [$link, 'NodeElement']);

                $this->select_on_administration_page($nodelist);

                return;

            }

        }

        throw new ElementNotFoundException($this->getSession(),

            'Link "' . join(' > ', $nodelist) . '" in the current page edit menu"');

    }

}