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/>.

namespace media_youtube;

use core_media_manager;

/**

 * Test script for media embedding.

 *

 * @package media_youtube

 * @copyright 2016 Marina Glancy

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

 */

class player_test extends \advanced_testcase {

    /**

     * Pre-test setup. Preserves $CFG.

     */

    public function setUp(): void {

        parent::setUp();

        // Reset $CFG and $SERVER.

        $this->resetAfterTest();

        // Consistent initial setup: all players disabled.

        \core\plugininfo\media::set_enabled_plugins('youtube');

        // Pretend to be using Firefox browser (must support ogg for tests to work).

        \core_useragent::instance(true, 'Mozilla/5.0 (X11; Linux x86_64; rv:46.0) Gecko/20100101 Firefox/46.0 ');

    }

    /**

     * Test that plugin is returned as enabled media plugin.

     */

    public function test_is_installed(): void {

        $sortorder = \core\plugininfo\media::get_enabled_plugins();

        $this->assertEquals(['youtube' => 'youtube'], $sortorder);

    }

    /**

     * Test supported link types

     */

    public function test_supported(): void {

        $manager = core_media_manager::instance();

        // Format: youtube.

        $url = new \moodle_url('http://www.youtube.com/watch?v=vyrwMmsufJc');

        $t = $manager->embed_url($url);

        $this->assertStringContainsString('</iframe>', $t);

        $url = new \moodle_url('http://www.youtube.com/v/vyrwMmsufJc');

        $t = $manager->embed_url($url);

        $this->assertStringContainsString('</iframe>', $t);

        $url = new \moodle_url('http://m.youtube.com/watch?v=vyrwMmsufJc');

        $t = $manager->embed_url($url);

        $this->assertStringContainsString('</iframe>', $t);

        // Format: youtube video within playlist.

        $url = new \moodle_url('https://www.youtube.com/watch?v=dv2f_xfmbD8&index=4&list=PLxcO_MFWQBDcyn9xpbmx601YSDlDcTcr0');

        $t = $manager->embed_url($url);

        $this->assertStringContainsString('</iframe>', $t);

        $this->assertStringContainsString('list=PLxcO_MFWQBDcyn9xpbmx601YSDlDcTcr0', $t);

        // Format: youtube video with start time.

        $url = new \moodle_url('https://www.youtube.com/watch?v=JNJMF1l3udM&t=1h11s');

        $t = $manager->embed_url($url);

        $this->assertStringContainsString('</iframe>', $t);

        $this->assertStringContainsString('start=3611', $t);

        // Format: youtube video within playlist with start time.

        $url = new \moodle_url('https://www.youtube.com/watch?v=dv2f_xfmbD8&index=4&list=PLxcO_MFWQBDcyn9xpbmx601YSDlDcTcr0&t=1m5s');

        $t = $manager->embed_url($url);

        $this->assertStringContainsString('</iframe>', $t);

        $this->assertStringContainsString('list=PLxcO_MFWQBDcyn9xpbmx601YSDlDcTcr0', $t);

        $this->assertStringContainsString('start=65', $t);

        // Format: youtube video with invalid parameter values (injection attempts).

        $url = new \moodle_url('https://www.youtube.com/watch?v=dv2f_xfmbD8&index=4&list=PLxcO_">');

        $t = $manager->embed_url($url);

        $this->assertStringContainsString('</iframe>', $t);

        $this->assertStringNotContainsString('list=PLxcO_', $t); // We shouldn't get a list param as input was invalid.

        $url = new \moodle_url('https://www.youtube.com/watch?v=JNJMF1l3udM&t=">');

        $t = $manager->embed_url($url);

        $this->assertStringContainsString('</iframe>', $t);

        $this->assertStringNotContainsString('start=', $t); // We shouldn't get a start param as input was invalid.

        // Format: youtube playlist.

        $url = new \moodle_url('http://www.youtube.com/view_play_list?p=PL6E18E2927047B662');

        $t = $manager->embed_url($url);

        $this->assertStringContainsString('</iframe>', $t);

        $url = new \moodle_url('http://www.youtube.com/playlist?list=PL6E18E2927047B662');

        $t = $manager->embed_url($url);

        $this->assertStringContainsString('</iframe>', $t);

        $url = new \moodle_url('http://www.youtube.com/p/PL6E18E2927047B662');

        $t = $manager->embed_url($url);

        $this->assertStringContainsString('</iframe>', $t);

    }

    /**

     * Test embedding without media filter (for example for displaying URL resorce).

     */

    public function test_embed_url(): void {

        global $CFG;

        $url = new \moodle_url('http://www.youtube.com/v/vyrwMmsufJc');

        $manager = core_media_manager::instance();

        $embedoptions = array(

            core_media_manager::OPTION_TRUSTED => true,

            core_media_manager::OPTION_BLOCK => true,

        );

        $this->assertTrue($manager->can_embed_url($url, $embedoptions));

        $content = $manager->embed_url($url, 'Test & file', 0, 0, $embedoptions);

        $this->assertMatchesRegularExpression('~mediaplugin_youtube~', $content);

        $this->assertMatchesRegularExpression('~</iframe>~', $content);

        $this->assertMatchesRegularExpression('~width="' . $CFG->media_default_width . '" height="' .

            $CFG->media_default_height . '"~', $content);

        // Repeat sending the specific size to the manager.

        $content = $manager->embed_url($url, 'New file', 123, 50, $embedoptions);

        $this->assertMatchesRegularExpression('~width="123" height="50"~', $content);

    }

    /**

     * Test that mediaplugin filter replaces a link to the supported file with media tag.

     *

     * filter_mediaplugin is enabled by default.

     */

    public function test_embed_link(): void {

        global $CFG;

        $url = new \moodle_url('http://www.youtube.com/v/vyrwMmsufJc');

        $text = \html_writer::link($url, 'Watch this one');

        $content = format_text($text, FORMAT_HTML);

        $this->assertMatchesRegularExpression('~mediaplugin_youtube~', $content);

        $this->assertMatchesRegularExpression('~</iframe>~', $content);

        $this->assertMatchesRegularExpression('~width="' . $CFG->media_default_width . '" height="' .

            $CFG->media_default_height . '"~', $content);

    }

    /**

     * Test that mediaplugin filter adds player code on top of <video> tags.

     *

     * filter_mediaplugin is enabled by default.

     */

    public function test_embed_media(): void {

        global $CFG;

        $url = new \moodle_url('http://www.youtube.com/v/vyrwMmsufJc');

        $trackurl = new \moodle_url('http://example.org/some_filename.vtt');

        $text = '<video controls="true"><source src="'.$url.'"/>' .

            '<track src="'.$trackurl.'">Unsupported text</video>';

        $content = format_text($text, FORMAT_HTML);

        $this->assertMatchesRegularExpression('~mediaplugin_youtube~', $content);

        $this->assertMatchesRegularExpression('~</iframe>~', $content);

        $this->assertMatchesRegularExpression('~width="' . $CFG->media_default_width . '" height="' .

            $CFG->media_default_height . '"~', $content);

        // Video tag, unsupported text and tracks are removed.

        $this->assertDoesNotMatchRegularExpression('~</video>~', $content);

        $this->assertDoesNotMatchRegularExpression('~<source\b~', $content);

        $this->assertDoesNotMatchRegularExpression('~Unsupported text~', $content);

        $this->assertDoesNotMatchRegularExpression('~<track\b~i', $content);

        // Video with dimensions and source specified as src attribute without <source> tag.

        $text = '<video controls="true" width="123" height="35" src="'.$url.'">Unsupported text</video>';

        $content = format_text($text, FORMAT_HTML);

        $this->assertMatchesRegularExpression('~mediaplugin_youtube~', $content);

        $this->assertMatchesRegularExpression('~</iframe>~', $content);

        $this->assertMatchesRegularExpression('~width="123" height="35"~', $content);

    }

    /**

     * Test that YouTube media plugin renders embed code correctly

     * when the "nocookie" config options is set to true.

     *

     * @covers \media_youtube_plugin::embed_external

     */

    public function test_youtube_nocookie(): void {

        // Turn on the no cookie option.

        set_config('nocookie', true, 'media_youtube');

        // Test that the embed code contains the no cookie domain.

        $url = new \moodle_url('http://www.youtube.com/v/vyrwMmsufJc');

        $text = \html_writer::link($url, 'Watch this one');

        $content = format_text($text, FORMAT_HTML);

        $this->assertMatchesRegularExpression('~youtube-nocookie~', $content);

        // Next test for a playlist.

        $url = new \moodle_url('https://www.youtube.com/playlist?list=PL59FEE129ADFF2B12');

        $text = \html_writer::link($url, 'Great Playlist');

        $content = format_text($text, FORMAT_HTML);

        $this->assertMatchesRegularExpression('~youtube-nocookie~', $content);

    }

}