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<?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.** @package media_videojs* @copyright 2016 Marina Glancy* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later*/namespace media_videojs;use core_media_manager;use html_writer;use media_videojs_plugin;use moodle_url;/*** Test script for media embedding.** @package media_videojs* @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('videojs');// 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(['videojs' => 'videojs'], $sortorder);}/*** Test method get_supported_extensions()*/public function test_supported_extensions(): void {$supportedextensions = array_merge(file_get_typegroup('extension', 'html_video'),file_get_typegroup('extension', 'html_audio'), file_get_typegroup('extension', 'media_source'));// Make sure that the list of extensions from the setting is filtered to HTML5 natively supported extensions.$player = new media_videojs_plugin();$this->assertTrue(in_array('.mp3', $player->get_supported_extensions()));$this->assertEmpty(array_diff($player->get_supported_extensions(), $supportedextensions));// Try to set the audioextensions to something non-native (.ra) and make sure it is not returned as supported.set_config('audioextensions', '.mp3,.wav,.ra', 'media_videojs');$player = new media_videojs_plugin();$this->assertNotEmpty($player->get_supported_extensions());$this->assertTrue(in_array('.mp3', $player->get_supported_extensions()));$this->assertFalse(in_array('.ra', $player->get_supported_extensions()));$this->assertEmpty(array_diff($player->get_supported_extensions(), $supportedextensions));// Check flash extensions are not returned as supported.set_config('videoextensions', '.flv,.f4v', 'media_videojs');$player = new media_videojs_plugin();$this->assertFalse(in_array('.flv', $player->get_supported_extensions()));$this->assertFalse(in_array('.f4v', $player->get_supported_extensions()));}/*** Test embedding without media filter (for example for displaying file resorce).*/public function test_embed_url(): void {global $CFG;$url = new moodle_url('http://example.org/1.webm');$manager = core_media_manager::instance();$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_videojs~', $content);$this->assertMatchesRegularExpression('~</video>~', $content);$this->assertMatchesRegularExpression('~title="Test & file"~', $content);$this->assertMatchesRegularExpression('~style="max-width:' . $CFG->media_default_width . 'px;~', $content);// Repeat sending the specific size to the manager.$content = $manager->embed_url($url, 'New file', 123, 50, $embedoptions);$this->assertMatchesRegularExpression('~style="max-width:123px;~', $content);// Repeat without sending the size and with unchecked setting to limit the video size.set_config('limitsize', false, 'media_videojs');$manager = core_media_manager::instance();$content = $manager->embed_url($url, 'Test & file', 0, 0, $embedoptions);$this->assertDoesNotMatchRegularExpression('~style="max-width:~', $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://example.org/some_filename.mp4');$text = html_writer::link($url, 'Watch this one');$content = format_text($text, FORMAT_HTML);$this->assertMatchesRegularExpression('~mediaplugin_videojs~', $content);$this->assertMatchesRegularExpression('~</video>~', $content);$this->assertMatchesRegularExpression('~title="Watch this one"~', $content);$this->assertDoesNotMatchRegularExpression('~<track\b~i', $content);$this->assertMatchesRegularExpression('~style="max-width:' . $CFG->media_default_width . 'px;~', $content);}/*** Test that only supported URLs are listed as sources but all URLs are present in links fallbacks.*/public function test_fallback(): void {$urls = [new moodle_url('http://example.org/1.rv'), // Not supported.new moodle_url('http://example.org/2.webm'), // Supported.new moodle_url('http://example.org/3.ogv'), // Supported.];$manager = core_media_manager::instance();$content = $manager->embed_alternatives($urls, '', 0, 0, []);$this->assertMatchesRegularExpression('~mediaplugin_videojs~', $content);$this->assertMatchesRegularExpression('~</video>~', $content);// Title is taken from the name of the first supported file.$this->assertMatchesRegularExpression('~title="2"~', $content);// Only supported files are in <source>'s.$this->assertDoesNotMatchRegularExpression('~<source src="http://example.org/1.rv"~', $content);$this->assertMatchesRegularExpression('~<source src="http://example.org/2.webm"~', $content);$this->assertMatchesRegularExpression('~<source src="http://example.org/3.ogv"~', $content);// Links to all files are included.$this->assertMatchesRegularExpression('~<a class="mediafallbacklink" href="http://example.org/1.rv">1.rv</a>~', $content);$this->assertMatchesRegularExpression('~<a class="mediafallbacklink" href="http://example.org/2.webm">2.webm</a>~', $content);$this->assertMatchesRegularExpression('~<a class="mediafallbacklink" href="http://example.org/3.ogv">3.ogv</a>~', $content);}/*** Assert other players do not apply after videojs was applied.*/public function test_prevent_other_players(): void {\core\plugininfo\media::set_enabled_plugins('videojs,html5video');$url = new moodle_url('http://example.org/some_filename.webm');$text = html_writer::link($url, 'Apply one player only');$content = format_text($text, FORMAT_HTML);$this->assertMatchesRegularExpression('~mediaplugin_videojs~', $content);$this->assertEquals(1, substr_count($content, '</video>'));$this->assertDoesNotMatchRegularExpression('~mediaplugin_html5video~', $content);$this->assertMatchesRegularExpression('~<a class="mediafallbacklink" href="http://example.org/some_filename.webm">Apply one player only</a>~', $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://example.org/some_filename.mp4');$trackurl = new moodle_url('http://example.org/some_filename.vtt');$text = '<video controls="true"><source src="'.$url.'"/><source src="somethinginvalid"/>' .'<track src="'.$trackurl.'">Unsupported text</video>';$content = format_text($text, FORMAT_HTML);$this->assertMatchesRegularExpression('~mediaplugin_videojs~', $content);$this->assertMatchesRegularExpression('~</video>~', $content);$this->assertMatchesRegularExpression('~title="some_filename.mp4"~', $content);$this->assertMatchesRegularExpression('~style="max-width:' . $CFG->media_default_width . 'px;~', $content);// Unsupported text and tracks are preserved.$this->assertMatchesRegularExpression('~Unsupported text~', $content);$this->assertMatchesRegularExpression('~<track\b~i', $content);// Invalid sources are removed.$this->assertDoesNotMatchRegularExpression('~somethinginvalid~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_videojs~', $content);$this->assertMatchesRegularExpression('~</video>~', $content);$this->assertMatchesRegularExpression('~<source\b~', $content);$this->assertMatchesRegularExpression('~style="max-width:123px;~', $content);$this->assertDoesNotMatchRegularExpression('~width="~', $content);$this->assertDoesNotMatchRegularExpression('~height="~', $content);// Audio tag.$url = new moodle_url('http://example.org/some_filename.mp3');$trackurl = new moodle_url('http://example.org/some_filename.vtt');$text = '<audio controls="true"><source src="'.$url.'"/><source src="somethinginvalid"/>' .'<track src="'.$trackurl.'">Unsupported text</audio>';$content = format_text($text, FORMAT_HTML);$this->assertMatchesRegularExpression('~mediaplugin_videojs~', $content);$this->assertDoesNotMatchRegularExpression('~</video>~', $content);$this->assertMatchesRegularExpression('~</audio>~', $content);$this->assertMatchesRegularExpression('~title="some_filename.mp3"~', $content);$this->assertMatchesRegularExpression('~style="max-width:' . $CFG->media_default_width . 'px;~', $content);// Unsupported text and tracks are preserved.$this->assertMatchesRegularExpression('~Unsupported text~', $content);$this->assertMatchesRegularExpression('~<track\b~i', $content);// Invalid sources are removed.$this->assertDoesNotMatchRegularExpression('~somethinginvalid~i', $content);}/*** Helper function for testing youtube videos embedding.** @param string $t output of core_media_manager::embed_url.*/protected function youtube_plugin_engaged($t) {$this->assertStringContainsString('mediaplugin_videojs', $t);$this->assertStringContainsString('data-setup-lazy="{"techOrder": ["youtube"]', $t);}/*** Test that VideoJS can embed youtube videos.*/public function test_youtube(): void {set_config('youtube', 1, 'media_videojs');$manager = core_media_manager::instance();// Format: youtube.$url = new moodle_url('http://www.youtube.com/watch?v=vyrwMmsufJc');$t = $manager->embed_url($url);$this->youtube_plugin_engaged($t);$url = new moodle_url('http://www.youtube.com/v/vyrwMmsufJc');$t = $manager->embed_url($url);$this->youtube_plugin_engaged($t);// Format: youtube video within playlist - this will be played by video.js but without tracks selection.$url = new moodle_url('https://www.youtube.com/watch?v=dv2f_xfmbD8&index=4&list=PLxcO_MFWQBDcyn9xpbmx601YSDlDcTcr0');$t = $manager->embed_url($url);$this->youtube_plugin_engaged($t);$this->assertStringContainsString('list=PLxcO_MFWQBDcyn9xpbmx601YSDlDcTcr0', $t);// Format: youtube playlist - not supported.$url = new moodle_url('http://www.youtube.com/view_play_list?p=PL6E18E2927047B662');$t = $manager->embed_url($url);$this->assertStringNotContainsString('mediaplugin_videojs', $t);$url = new moodle_url('http://www.youtube.com/playlist?list=PL6E18E2927047B662');$t = $manager->embed_url($url);$this->assertStringNotContainsString('mediaplugin_videojs', $t);$url = new moodle_url('http://www.youtube.com/p/PL6E18E2927047B662');$t = $manager->embed_url($url);$this->assertStringNotContainsString('mediaplugin_videojs', $t);}/*** Data provider for {@see test_youtube_start_time}** @return array*/public function youtube_start_time_provider(): array {return [['https://www.youtube.com/watch?v=JNJMF1l3udM&t=1h11s', 3611],['https://www.youtube.com/watch?v=dv2f_xfmbD8&index=4&list=PLxcO_MFWQBDcyn9xpbmx601YSDlDcTcr0&t=1m5s', 65],['https://www.youtube.com/watch?v=JNJMF1l3udM&t=1h10m30s', 4230],['https://www.youtube.com/watch?v=JNJMF1l3udM&t=3m', 180],['https://www.youtube.com/watch?v=JNJMF1l3udM&t=43s', 43],['https://www.youtube.com/watch?v=JNJMF1l3udM&t=1234', 1234],['https://www.youtube.com/watch?v=JNJMF1l3udM&t=invalid', 0],];}/*** Test Youtube video embedding with URL's containing start time interval** @param string $url* @param int $expectedstart** @dataProvider youtube_start_time_provider*/public function test_youtube_start_time(string $url, int $expectedstart): void {set_config('youtube', 1, 'media_videojs');$embedcode = core_media_manager::instance()->embed_url(new moodle_url($url));$this->youtube_plugin_engaged($embedcode);$this->assertStringContainsString(""youtube": {"start": "{$expectedstart}"}", $embedcode);}/*** Helper function for testing flash videos embedding.** @param string $t output of core_media_manager::embed_url.*/protected function flash_plugin_engaged($t) {$this->assertStringContainsString('mediaplugin_videojs', $t);$this->assertStringContainsString('data-setup-lazy="{"techOrder": ["flash", "html5"]', $t);}/*** Test that VideoJS can not embed flash videos.*/public function test_flash_behaviour(): void {$manager = core_media_manager::instance();$url = new moodle_url('http://example.org/some_filename.flv');$t = $manager->embed_url($url);$this->assertStringNotContainsString('mediaplugin_videojs', $t);$this->assertMatchesRegularExpression('~<a class="mediafallbacklink" href="http://example.org/some_filename.flv">some_filename.flv</a>~', $t);}/*** Test that VideoJS can not embed RTMP streams.*/public function test_rtmp_behaviour(): void {$manager = core_media_manager::instance();$url = new moodle_url('rtmp://example.com/fms&mp4:path/to/file.mp4');$t = $manager->embed_url($url);$this->assertStringNotContainsString('mediaplugin_videojs', $t);$this->assertMatchesRegularExpression('~<a class="mediafallbacklink" href="rtmp://example.com/fms&mp4:path/to/file.mp4">file.mp4</a>~', $t);}}