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Name	Size	Permission
behat	[ DIR ]	drwxr-xr-x
content	[ DIR ]	drwxr-xr-x
event	[ DIR ]	drwxr-xr-x
external	[ DIR ]	drwxr-xr-x
fixtures	[ DIR ]	drwxr-xr-x
other	[ DIR ]	drwxr-xr-x
output	[ DIR ]	drwxr-xr-x
performance	[ DIR ]	drwxr-xr-x
plugininfo	[ DIR ]	drwxr-xr-x
accesslib_has_capability_test....	29.73 KB	-rw-r--r--
accesslib_test.php	215.8 KB	-rw-r--r--
adhoc_task_test.php	18.44 KB	-rw-r--r--
adminlib_test.php	4.38 KB	-rw-r--r--
admintree_test.php	17.22 KB	-rw-r--r--
ajaxlib_test.php	4.36 KB	-rw-r--r--
analysers_test.php	13.35 KB	-rw-r--r--
antivirus_test.php	8.68 KB	-rw-r--r--
authlib_test.php	19.91 KB	-rw-r--r--
blocklib_test.php	35.27 KB	-rw-r--r--
calendar_cron_task_test.php	2.69 KB	-rw-r--r--
check_test.php	1.97 KB	-rw-r--r--
client_test.php	4.34 KB	-rw-r--r--
collator_test.php	11.99 KB	-rw-r--r--
completion_daily_task_test.php	5.25 KB	-rw-r--r--
completionlib_test.php	46.83 KB	-rw-r--r--
component_test.php	40.16 KB	-rw-r--r--
componentlib_test.php	6.64 KB	-rw-r--r--
configonlylib_test.php	6.15 KB	-rw-r--r--
content_test.php	4.77 KB	-rw-r--r--
core_media_player_native.php	6.3 KB	-rw-r--r--
core_media_player_native_test....	6.3 KB	-rw-r--r--
core_renderer_template_exploit...	17.28 KB	-rw-r--r--
coverage.php	1.93 KB	-rw-r--r--
cronlib_test.php	6.89 KB	-rw-r--r--
csslib_test.php	1.79 KB	-rw-r--r--
csvclass_test.php	5.57 KB	-rw-r--r--
curl_security_helper_test.php	14.79 KB	-rw-r--r--
customcontext_test.php	3.66 KB	-rw-r--r--
dataformat_test.php	3.74 KB	-rw-r--r--
datalib_test.php	41.96 KB	-rw-r--r--
datalib_update_with_unique_ind...	6.31 KB	-rw-r--r--
date_legacy_test.php	13.9 KB	-rw-r--r--
date_test.php	24.48 KB	-rw-r--r--
editorlib_test.php	2.01 KB	-rw-r--r--
environment_test.php	8.54 KB	-rw-r--r--
event_context_locked_test.php	4.11 KB	-rw-r--r--
event_course_module_instance_l...	2.7 KB	-rw-r--r--
event_course_module_viewed.php	3.33 KB	-rw-r--r--
event_deprecated_test.php	1.49 KB	-rw-r--r--
event_grade_deleted_test.php	3.25 KB	-rw-r--r--
event_profile_field_test.php	14.52 KB	-rw-r--r--
event_test.php	41.06 KB	-rw-r--r--
event_unknown_logged_test.php	1.92 KB	-rw-r--r--
event_user_graded_test.php	10.07 KB	-rw-r--r--
event_user_password_updated_te...	2.89 KB	-rw-r--r--
events_test.php	16.17 KB	-rw-r--r--
exporter_test.php	11.02 KB	-rw-r--r--
externallib_test.php	29.59 KB	-rw-r--r--
filelib_test.php	70.81 KB	-rw-r--r--
filestorage_zip_archive_test.p...	2.75 KB	-rw-r--r--
filetypes_test.php	10.2 KB	-rw-r--r--
filter_manager_test.php	3.37 KB	-rw-r--r--
filterlib_test.php	35.91 KB	-rw-r--r--
formslib_test.php	39.6 KB	-rw-r--r--
gdlib_test.php	5.92 KB	-rw-r--r--
googlelib_test.php	1.53 KB	-rw-r--r--
gradelib_test.php	9.74 KB	-rw-r--r--
grades_externallib_test.php	24.66 KB	-rw-r--r--
grading_externallib_test.php	26.27 KB	-rw-r--r--
grouplib_test.php	84.4 KB	-rw-r--r--
h5p_get_content_types_task_tes...	2.69 KB	-rw-r--r--
html2text_test.php	7.58 KB	-rw-r--r--
html_writer_test.php	8.74 KB	-rw-r--r--
htmlpurifier_test.php	22.67 KB	-rw-r--r--
indicators_test.php	16.38 KB	-rw-r--r--
ip_utils_test.php	14.27 KB	-rw-r--r--
jquery_test.php	1.76 KB	-rw-r--r--
ldaplib_test.php	17.72 KB	-rw-r--r--
licenselib_test.php	11.58 KB	-rw-r--r--
lock_config_test.php	3.39 KB	-rw-r--r--
lock_test.php	5.5 KB	-rw-r--r--
markdown_test.php	2.45 KB	-rw-r--r--
mathslib_test.php	11.12 KB	-rw-r--r--
medialib_test.php	20.19 KB	-rw-r--r--
message_test.php	12.43 KB	-rw-r--r--
messageinbound_test.php	5.89 KB	-rw-r--r--
messagelib_test.php	56.39 KB	-rw-r--r--
minify_test.php	3.14 KB	-rw-r--r--
modinfolib_test.php	44.15 KB	-rw-r--r--
moodle_page_test.php	29.58 KB	-rw-r--r--
moodle_url_test.php	12.83 KB	-rw-r--r--
moodlelib_test.php	213.97 KB	-rw-r--r--
mustache_template_finder_test....	7.4 KB	-rw-r--r--
mustache_template_source_loade...	18.06 KB	-rw-r--r--
myprofilelib_test.php	10.7 KB	-rw-r--r--
navigationlib_test.php	26.28 KB	-rw-r--r--
notification_test.php	4.61 KB	-rw-r--r--
oauth2_test.php	9.99 KB	-rw-r--r--
output_mustache_helper_collect...	8.09 KB	-rw-r--r--
outputcomponents_test.php	28.44 KB	-rw-r--r--
outputfactories_test.php	6.8 KB	-rw-r--r--
outputrequirementslib_test.php	5.38 KB	-rw-r--r--
persistent_test.php	19.44 KB	-rw-r--r--
plugin_manager_test.php	27.26 KB	-rw-r--r--
portfoliolib_test.php	8.41 KB	-rw-r--r--
progress_display_test.php	3.75 KB	-rw-r--r--
progress_test.php	14.5 KB	-rw-r--r--
qrcode_test.php	1.88 KB	-rw-r--r--
questionlib_test.php	96.9 KB	-rw-r--r--
regex_test.php	1.88 KB	-rw-r--r--
requirejs_test.php	3.73 KB	-rw-r--r--
rsslib_test.php	6.89 KB	-rw-r--r--
rtlcss_test.php	56.86 KB	-rw-r--r--
sample_questions.ser	141.76 KB	-rw-r--r--
sample_questions.xml	102.62 KB	-rw-r--r--
sample_questions_with_old_imag...	4.85 KB	-rw-r--r--
sample_questions_with_old_imag...	4.08 KB	-rw-r--r--
sample_questions_wrong.xml	102.57 KB	-rw-r--r--
scheduled_task_test.php	24.16 KB	-rw-r--r--
scss_test.php	4.48 KB	-rw-r--r--
session_manager_test.php	33.96 KB	-rw-r--r--
session_redis_test.php	12.39 KB	-rw-r--r--
sessionlib_test.php	11.86 KB	-rw-r--r--
setuplib_test.php	20.69 KB	-rw-r--r--
statslib_test.php	26.75 KB	-rw-r--r--
string_manager_standard_test.p...	10.05 KB	-rw-r--r--
tablelib_test.php	23.48 KB	-rw-r--r--
task_database_logger_test.php	20.15 KB	-rw-r--r--
task_logging_test.php	17.31 KB	-rw-r--r--
task_manager_test.php	11.2 KB	-rw-r--r--
task_running_test.php	6.59 KB	-rw-r--r--
text_test.php	21.09 KB	-rw-r--r--
theme_config_test.php	9.41 KB	-rw-r--r--
time_splittings_test.php	15.09 KB	-rw-r--r--
update_api_test.php	6.75 KB	-rw-r--r--
update_checker_test.php	10.86 KB	-rw-r--r--
update_code_manager_test.php	9.06 KB	-rw-r--r--
update_validator_test.php	18.44 KB	-rw-r--r--
upgrade_util_test.php	5.65 KB	-rw-r--r--
upgradelib_test.php	69.1 KB	-rw-r--r--
user_menu_test.php	3.82 KB	-rw-r--r--
user_test.php	32.33 KB	-rw-r--r--
useragent_test.php	83.88 KB	-rw-r--r--
weblib_format_text_test.php	12.05 KB	-rw-r--r--
weblib_test.php	35.06 KB	-rw-r--r--
xhprof_test.php	3.32 KB	-rw-r--r--
xhtml_container_stack_test.php	4.16 KB	-rw-r--r--
xmlize_test.php	2.72 KB	-rw-r--r--

Code Editor : medialib_test.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/>.

/**
 * Test classes for handling embedded media (audio/video).
 *
 * @package   core
 * @category  test
 * @copyright 2012 The Open University
 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

defined('MOODLE_INTERNAL') || die();
require_once(__DIR__ . '/fixtures/testable_core_media_player.php');

/**
 * Test script for media embedding.
 */
class core_medialib_testcase extends advanced_testcase {

/**
     * Pre-test setup. Preserves $CFG.
     */
    public function setUp(): void {
        parent::setUp();

// Reset $CFG and $SERVER.
        $this->resetAfterTest();

// "Install" a fake plugin for testing.
        set_config('version', '2016101400', 'media_test');

// Consistent initial setup: all players disabled.
        \core\plugininfo\media::set_enabled_plugins('');

$_SERVER = array('HTTP_USER_AGENT' => '');
        $this->pretend_to_be_safari();
    }

/**
     * Sets user agent to Safari.
     */
    private function pretend_to_be_safari() {
        // Pretend to be using Safari browser (must support mp4 for tests to work).
        core_useragent::instance(true, 'Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10_6_8; de-at) ' .
                'AppleWebKit/533.21.1 (KHTML, like Gecko) Version/5.0.5 Safari/533.21.1');
    }

/**
     * Sets user agent to Firefox.
     */
    private function pretend_to_be_firefox() {
        // 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 for core_media::get_filename.
     */
    public function test_get_filename() {
        $manager = core_media_manager::instance();

$this->assertSame('frog.mp4', $manager->get_filename(new moodle_url(
                '/pluginfile.php/312/mod_page/content/7/frog.mp4')));
        // This should work even though slasharguments is true, because we want
        // it to support 'legacy' links if somebody toggles the option later.
        $this->assertSame('frog.mp4', $manager->get_filename(new moodle_url(
                '/pluginfile.php?file=/312/mod_page/content/7/frog.mp4')));
    }

/**
     * Test for core_media::get_extension.
     */
    public function test_get_extension() {
        $manager = core_media_manager::instance();

$this->assertSame('mp4', $manager->get_extension(new moodle_url(
                '/pluginfile.php/312/mod_page/content/7/frog.mp4')));
        $this->assertSame('', $manager->get_extension(new moodle_url(
                '/pluginfile.php/312/mod_page/content/7/frog')));
        $this->assertSame('mp4', $manager->get_extension(new moodle_url(
                '/pluginfile.php?file=/312/mod_page/content/7/frog.mp4')));
        $this->assertSame('', $manager->get_extension(new moodle_url(
                '/pluginfile.php?file=/312/mod_page/content/7/frog')));
    }

/**
     * Test for the core_media_player list_supported_urls.
     */
    public function test_list_supported_urls() {
        $test = new media_test_plugin(1, 13, ['tst', 'test']);

// Some example URLs.
        $supported1 = new moodle_url('http://example.org/1.test');
        $supported2 = new moodle_url('http://example.org/2.TST');
        $unsupported = new moodle_url('http://example.org/2.jpg');

// No URLs => none.
        $result = $test->list_supported_urls(array());
        $this->assertEquals(array(), $result);

// One supported URL => same.
        $result = $test->list_supported_urls(array($supported1));
        $this->assertEquals(array($supported1), $result);

// Two supported URLS => same.
        $result = $test->list_supported_urls(array($supported1, $supported2));
        $this->assertEquals(array($supported1, $supported2), $result);

// One unsupported => none.
        $result = $test->list_supported_urls(array($unsupported));
        $this->assertEquals(array(), $result);

// Two supported and one unsupported => same.
        $result = $test->list_supported_urls(array($supported2, $unsupported, $supported1));
        $this->assertEquals(array($supported2, $supported1), $result);
    }

/**
     * Test for get_players
     */
    public function test_get_players() {
        // All players are initially disabled (except link, which you can't).
        $manager = core_media_manager::instance();
        $this->assertEmpty($this->get_players_test($manager));

// A couple enabled, check the order.
        \core\plugininfo\media::set_enabled_plugins('youtube,html5audio');
        $manager = core_media_manager::instance();
        $this->assertSame('youtube, html5audio', $this->get_players_test($manager));

// Test SWF and HTML5 media order.
        \core\plugininfo\media::set_enabled_plugins('html5video,html5audio,swf');
        $manager = core_media_manager::instance();
        $this->assertSame('html5video, html5audio, swf', $this->get_players_test($manager));

// Make sure that our test plugin is considered installed.
        \core\plugininfo\media::set_enabled_plugins('test,html5video');
        $manager = core_media_manager::instance();
        $this->assertSame('test, html5video', $this->get_players_test($manager));

// Make sure that non-existing plugin is NOT considered installed.
        \core\plugininfo\media::set_enabled_plugins('nonexistingplugin,html5video');
        $manager = core_media_manager::instance();
        $this->assertSame('html5video', $this->get_players_test($manager));
    }

/**
     * Test for can_embed_url
     */
    public function test_can_embed_url() {
        // All players are initially disabled, so mp4 cannot be rendered.
        $url = new moodle_url('http://example.org/test.mp4');
        $manager = core_media_manager::instance();
        $this->assertFalse($manager->can_embed_url($url));

// Enable VideoJS player.
        \core\plugininfo\media::set_enabled_plugins('videojs');
        $manager = core_media_manager::instance();
        $this->assertTrue($manager->can_embed_url($url));

// VideoJS + html5.
        \core\plugininfo\media::set_enabled_plugins('videojs,html5video');
        $manager = core_media_manager::instance();
        $this->assertTrue($manager->can_embed_url($url));

// Only html5.
        \core\plugininfo\media::set_enabled_plugins('html5video');
        $manager = core_media_manager::instance();
        $this->assertTrue($manager->can_embed_url($url));

// Only SWF.
        \core\plugininfo\media::set_enabled_plugins('swf');
        $manager = core_media_manager::instance();
        $this->assertFalse($manager->can_embed_url($url));
    }

/**
     * Test for embed_url.
     * Checks multiple format/fallback support.
     */
    public function test_embed_url_fallbacks() {

// Key strings in the embed code that identify with the media formats being tested.
        $swf = '</object>';
        $html5video = '</video>';
        $html5audio = '</audio>';
        $link = 'mediafallbacklink';
        $test = 'mediaplugin_test';

$url = new moodle_url('http://example.org/test.mp4');

// All plugins disabled, NOLINK option.
        \core\plugininfo\media::set_enabled_plugins('');
        $manager = core_media_manager::instance();
        $t = $manager->embed_url($url, 0, 0, '',
                array(core_media_manager::OPTION_NO_LINK => true));
        // Completely empty.
        $this->assertSame('', $t);

// All plugins disabled but not NOLINK.
        \core\plugininfo\media::set_enabled_plugins('');
        $manager = core_media_manager::instance();
        $t = $manager->embed_url($url);
        $this->assertStringContainsString($link, $t);

// Enable media players that can play the same media formats. (ie. test & html5audio for mp3 files, etc.)
        \core\plugininfo\media::set_enabled_plugins('test,html5video,html5audio,swf');
        $manager = core_media_manager::instance();

// Test media formats that can be played by 2 or more players.
        $mediaformats = array('mp3', 'mp4');

foreach ($mediaformats as $format) {
            $url = new moodle_url('http://example.org/test.' . $format);
            $textwithlink = $manager->embed_url($url);
            $textwithoutlink = $manager->embed_url($url, 0, 0, '', array(core_media_manager::OPTION_NO_LINK => true));

switch ($format) {
                case 'mp3':
                    $this->assertStringContainsString($test, $textwithlink);
                    $this->assertStringNotContainsString($html5video, $textwithlink);
                    $this->assertStringContainsString($html5audio, $textwithlink);
                    $this->assertStringNotContainsString($swf, $textwithlink);
                    $this->assertStringContainsString($link, $textwithlink);

$this->assertStringContainsString($test, $textwithoutlink);
                    $this->assertStringNotContainsString($html5video, $textwithoutlink);
                    $this->assertStringContainsString($html5audio, $textwithoutlink);
                    $this->assertStringNotContainsString($swf, $textwithoutlink);
                    $this->assertStringNotContainsString($link, $textwithoutlink);
                    break;

case 'mp4':
                    $this->assertStringContainsString($test, $textwithlink);
                    $this->assertStringContainsString($html5video, $textwithlink);
                    $this->assertStringNotContainsString($html5audio, $textwithlink);
                    $this->assertStringNotContainsString($swf, $textwithlink);
                    $this->assertStringContainsString($link, $textwithlink);

$this->assertStringContainsString($test, $textwithoutlink);
                    $this->assertStringContainsString($html5video, $textwithoutlink);
                    $this->assertStringNotContainsString($html5audio, $textwithoutlink);
                    $this->assertStringNotContainsString($swf, $textwithoutlink);
                    $this->assertStringNotContainsString($link, $textwithoutlink);
                    break;

default:
                    break;
            }
        }
    }

/**
     * Test for embed_url.
     * Check SWF works including the special option required to enable it
     */
    public function test_embed_url_swf() {
        \core\plugininfo\media::set_enabled_plugins('swf');
        $manager = core_media_manager::instance();

// Without any options...
        $url = new moodle_url('http://example.org/test.swf');
        $t = $manager->embed_url($url);
        $this->assertStringNotContainsString('</object>', $t);

// ...and with the 'no it's safe, I checked it' option.
        $url = new moodle_url('http://example.org/test.swf');
        $t = $manager->embed_url($url, '', 0, 0, array(core_media_manager::OPTION_TRUSTED => true));
        $this->assertStringContainsString('</object>', $t);
    }

/**
     * Same as test_embed_url MP3 test, but for slash arguments.
     */
    public function test_slash_arguments() {

// Again we do not turn slasharguments actually on, because it has to
        // work regardless of the setting of that variable in case of handling
        // links created using previous setting.

// Enable player.
        \core\plugininfo\media::set_enabled_plugins('html5audio');
        $manager = core_media_manager::instance();

// Format: mp3.
        $url = new moodle_url('http://example.org/pluginfile.php?file=x/y/z/test.mp3');
        $t = $manager->embed_url($url);
        $this->assertStringContainsString('</audio>', $t);
    }

/**
     * Test for embed_url.
     * Checks the EMBED_OR_BLANK option.
     */
    public function test_embed_or_blank() {
        \core\plugininfo\media::set_enabled_plugins('html5audio');
        $manager = core_media_manager::instance();
        $this->pretend_to_be_firefox();

$options = array(core_media_manager::OPTION_FALLBACK_TO_BLANK => true);

// Embed that does match something should still include the link too.
        $url = new moodle_url('http://example.org/test.ogg');
        $t = $manager->embed_url($url, '', 0, 0, $options);
        $this->assertStringContainsString('</audio>', $t);
        $this->assertStringContainsString('mediafallbacklink', $t);

// Embed that doesn't match something should be totally blank.
        $url = new moodle_url('http://example.org/test.mp4');
        $t = $manager->embed_url($url, '', 0, 0, $options);
        $this->assertSame('', $t);
    }

/**
     * Test for embed_url.
     * Checks that size is passed through correctly to player objects and tests
     * size support in html5video output.
     */
    public function test_embed_url_size() {
        global $CFG;

// Technically this could break in every format and they handle size
        // in several different ways, but I'm too lazy to test it in every
        // format, so let's just pick one to check the values get passed
        // through.
        \core\plugininfo\media::set_enabled_plugins('html5video');
        $manager = core_media_manager::instance();
        $url = new moodle_url('http://example.org/test.mp4');

// HTML5 default size - specifies core width and does not specify height.
        $t = $manager->embed_url($url);
        $this->assertStringContainsString('width="' . $CFG->media_default_width . '"', $t);
        $this->assertStringNotContainsString('height', $t);

// HTML5 specified size - specifies both.
        $t = $manager->embed_url($url, '', '666', '101');
        $this->assertStringContainsString('width="666"', $t);
        $this->assertStringContainsString('height="101"', $t);

// HTML5 size specified in url, overrides call.
        $url = new moodle_url('http://example.org/test.mp4?d=123x456');
        $t = $manager->embed_url($url, '', '666', '101');
        $this->assertStringContainsString('width="123"', $t);
        $this->assertStringContainsString('height="456"', $t);
    }

/**
     * Test for embed_url.
     * Checks that name is passed through correctly to player objects and tests
     * name support in html5video output.
     */
    public function test_embed_url_name() {
        // As for size this could break in every format but I'm only testing
        // html5video.
        \core\plugininfo\media::set_enabled_plugins('html5video');
        $manager = core_media_manager::instance();
        $url = new moodle_url('http://example.org/test.mp4');

// HTML5 default name - use filename.
        $t = $manager->embed_url($url);
        $this->assertStringContainsString('title="test.mp4"', $t);

// HTML5 specified name - check escaping.
        $t = $manager->embed_url($url, 'frog & toad');
        $this->assertStringContainsString('title="frog &amp; toad"', $t);
    }

/**
     * Test for split_alternatives.
     */
    public function test_split_alternatives() {
        $mediamanager = core_media_manager::instance();

// Single URL - identical moodle_url.
        $mp4 = 'http://example.org/test.mp4';
        $result = $mediamanager->split_alternatives($mp4, $w, $h);
        $this->assertEquals($mp4, $result[0]->out(false));

// Width and height weren't specified.
        $this->assertEquals(0, $w);
        $this->assertEquals(0, $h);

// Two URLs - identical moodle_urls.
        $webm = 'http://example.org/test.webm';
        $result = $mediamanager->split_alternatives("$mp4#$webm", $w, $h);
        $this->assertEquals($mp4, $result[0]->out(false));
        $this->assertEquals($webm, $result[1]->out(false));

// Two URLs plus dimensions.
        $size = 'd=400x280';
        $result = $mediamanager->split_alternatives("$mp4#$webm#$size", $w, $h);
        $this->assertEquals($mp4, $result[0]->out(false));
        $this->assertEquals($webm, $result[1]->out(false));
        $this->assertEquals(400, $w);
        $this->assertEquals(280, $h);

// Two URLs plus legacy dimensions (use last one).
        $result = $mediamanager->split_alternatives("$mp4?d=1x1#$webm?$size", $w, $h);
        $this->assertEquals($mp4, $result[0]->out(false));
        $this->assertEquals($webm, $result[1]->out(false));
        $this->assertEquals(400, $w);
        $this->assertEquals(280, $h);
    }

/**
     * Test for embed_alternatives (with multiple urls)
     */
    public function test_embed_alternatives() {
        // Most aspects of this are same as single player so let's just try
        // a single typical / complicated scenario.

// MP4, OGV, WebM and FLV.
        $urls = array(
            new moodle_url('http://example.org/test.mp4'),
            new moodle_url('http://example.org/test.ogv'),
            new moodle_url('http://example.org/test.webm'),
            new moodle_url('http://example.org/test.flv'),
        );

// Enable html5 and "test" ("test" first).
        \core\plugininfo\media::set_enabled_plugins('test,html5video');
        $manager = core_media_manager::instance();

// Result should contain HTML5 with two sources + FLV.
        $t = $manager->embed_alternatives($urls);

// HTML5 sources - mp4, but not ogv, flv or webm (not supported in Safari).
        $this->assertStringContainsString('<source src="http://example.org/test.mp4"', $t);
        $this->assertStringNotContainsString('<source src="http://example.org/test.ogv"', $t);
        $this->assertStringNotContainsString('<source src="http://example.org/test.webm"', $t);
        $this->assertStringNotContainsString('<source src="http://example.org/test.flv"', $t);

// FLV is before the video tag (indicating html5 is used as fallback to flv
        // and not vice versa).
        $this->assertTrue((bool)preg_match('~mediaplugin_test.*<video~s', $t));

// Do same test with firefox and check we get the webm and not mp4.
        $this->pretend_to_be_firefox();
        $t = $manager->embed_alternatives($urls);

// HTML5 sources - mp4, ogv and webm, but not flv.
        $this->assertStringContainsString('<source src="http://example.org/test.mp4"', $t);
        $this->assertStringContainsString('<source src="http://example.org/test.ogv"', $t);
        $this->assertStringContainsString('<source src="http://example.org/test.webm"', $t);
        $this->assertStringNotContainsString('<source src="http://example.org/test.flv"', $t);
    }

/**
     * Make sure the instance() method returns singleton for the same page and different object for another page
     */
    public function test_initialise() {
        $moodlepage1 = new moodle_page();

$mediamanager1 = core_media_manager::instance($moodlepage1);
        $mediamanager2 = core_media_manager::instance($moodlepage1);

$this->assertSame($mediamanager1, $mediamanager2);

$moodlepage3 = new moodle_page();
        $mediamanager3 = core_media_manager::instance($moodlepage3);

$this->assertNotSame($mediamanager1, $mediamanager3);
    }

/**
     * Access list of players as string, shortening it by getting rid of
     * repeated text.
     * @param core_media_manager $manager The core_media_manager instance
     * @return string Comma-separated list of players
     */
    public function get_players_test($manager) {
        $method = new ReflectionMethod("core_media_manager", "get_players");
        $method->setAccessible(true);
        $players = $method->invoke($manager);
        $out = '';
        foreach ($players as $player) {
            if ($out) {
                $out .= ', ';
            }
            $out .= str_replace('core_media_player_', '', preg_replace('/^media_(.*)_plugin$/', '$1', get_class($player)));
        }
        return $out;
    }
}

${this.title}

Code Editor : medialib_test.php