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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
*/
defined('MOODLE_INTERNAL') || die();
/**
* 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 media_videojs_player_testcase extends advanced_testcase {
/**
* Pre-test setup. Preserves $CFG.
*/
public function setUp() {
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() {
$sortorder = \core\plugininfo\media::get_enabled_plugins();
$this->assertEquals(['videojs' => 'videojs'], $sortorder);
}
/**
* Test method get_supported_extensions()
*/
public function test_supported_extensions() {
$supportedextensions = array_merge(file_get_typegroup('extension', 'html_video'),
file_get_typegroup('extension', 'html_audio'), file_get_typegroup('extension', 'media_source'));
set_config('useflash', 0, 'media_videojs');
// 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));
// Try to use flash extensions and make sure they 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()));
// Enable flash and test if flash extenstions are supported.
set_config('useflash', 1, 'media_videojs');
set_config('videoextensions', '.flv,.f4v', 'media_videojs');
$player = new media_videojs_plugin();
$this->assertTrue(in_array('.flv', $player->get_supported_extensions()));
$this->assertTrue(in_array('.f4v', $player->get_supported_extensions()));
}
/**
* Test embedding without media filter (for example for displaying file resorce).
*/
public function test_embed_url() {
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->assertRegExp('~mediaplugin_videojs~', $content);
$this->assertRegExp('~</video>~', $content);
$this->assertRegExp('~title="Test & file"~', $content);
$this->assertRegExp('~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->assertRegExp('~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->assertNotRegExp('~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() {
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->assertRegExp('~mediaplugin_videojs~', $content);
$this->assertRegExp('~</video>~', $content);
$this->assertRegExp('~title="Watch this one"~', $content);
$this->assertNotRegExp('~<track\b~i', $content);
$this->assertRegExp('~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() {
$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->assertRegExp('~mediaplugin_videojs~', $content);
$this->assertRegExp('~</video>~', $content);
// Title is taken from the name of the first supported file.
$this->assertRegExp('~title="2"~', $content);
// Only supported files are in <source>'s.
$this->assertNotRegExp('~<source src="http://example.org/1.rv"~', $content);
$this->assertRegExp('~<source src="http://example.org/2.webm"~', $content);
$this->assertRegExp('~<source src="http://example.org/3.ogv"~', $content);
// Links to all files are included.
$this->assertRegExp('~<a class="mediafallbacklink" href="http://example.org/1.rv">1.rv</a>~', $content);
$this->assertRegExp('~<a class="mediafallbacklink" href="http://example.org/2.webm">2.webm</a>~', $content);
$this->assertRegExp('~<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() {
\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->assertRegExp('~mediaplugin_videojs~', $content);
$this->assertEquals(1, substr_count($content, '</video>'));
$this->assertNotRegExp('~mediaplugin_html5video~', $content);
$this->assertRegExp('~<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() {
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->assertRegExp('~mediaplugin_videojs~', $content);
$this->assertRegExp('~</video>~', $content);
$this->assertRegExp('~title="some_filename.mp4"~', $content);
$this->assertRegExp('~style="max-width:' . $CFG->media_default_width . 'px;~', $content);
// Unsupported text and tracks are preserved.
$this->assertRegExp('~Unsupported text~', $content);
$this->assertRegExp('~<track\b~i', $content);
// Invalid sources are removed.
$this->assertNotRegExp('~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->assertRegExp('~mediaplugin_videojs~', $content);
$this->assertRegExp('~</video>~', $content);
$this->assertRegExp('~<source\b~', $content);
$this->assertRegExp('~style="max-width:123px;~', $content);
$this->assertNotRegExp('~width="~', $content);
$this->assertNotRegExp('~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->assertRegExp('~mediaplugin_videojs~', $content);
$this->assertNotRegExp('~</video>~', $content);
$this->assertRegExp('~</audio>~', $content);
$this->assertRegExp('~title="some_filename.mp3"~', $content);
$this->assertRegExp('~style="max-width:' . $CFG->media_default_width . 'px;~', $content);
// Unsupported text and tracks are preserved.
$this->assertRegExp('~Unsupported text~', $content);
$this->assertRegExp('~<track\b~i', $content);
// Invalid sources are removed.
$this->assertNotRegExp('~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->assertContains('mediaplugin_videojs', $t);
$this->assertContains('data-setup-lazy="{"techOrder": ["youtube"]', $t);
}
/**
* Test that VideoJS can embed youtube videos.
*/
public function test_youtube() {
set_config('youtube', 1, 'media_videojs');
set_config('useflash', 0, '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->assertContains('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->assertNotContains('mediaplugin_videojs', $t);
$url = new moodle_url('http://www.youtube.com/playlist?list=PL6E18E2927047B662');
$t = $manager->embed_url($url);
$this->assertNotContains('mediaplugin_videojs', $t);
$url = new moodle_url('http://www.youtube.com/p/PL6E18E2927047B662');
$t = $manager->embed_url($url);
$this->assertNotContains('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) {
set_config('youtube', 1, 'media_videojs');
set_config('useflash', 0, 'media_videojs');
$embedcode = core_media_manager::instance()->embed_url(new moodle_url($url));
$this->youtube_plugin_engaged($embedcode);
$this->assertContains(""youtube": {"start": "{$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->assertContains('mediaplugin_videojs', $t);
$this->assertContains('data-setup-lazy="{"techOrder": ["flash", "html5"]', $t);
}
/**
* Test that VideoJS can embed flash videos.
*/
public function test_flash() {
$manager = core_media_manager::instance();
// Flash enabled.
set_config('useflash', 1, 'media_videojs');
$url = new moodle_url('http://example.org/some_filename.flv');
$t = $manager->embed_url($url);
$this->flash_plugin_engaged($t);
$this->assertRegExp('~</video>~', $t);
$this->assertRegExp('~<source src="http://example.org/some_filename.flv"~', $t);
$this->assertRegExp('~<a class="mediafallbacklink" href="http://example.org/some_filename.flv">some_filename.flv</a>~', $t);
// Flash disabled.
set_config('useflash', 0, 'media_videojs');
$url = new moodle_url('http://example.org/some_filename.flv');
$t = $manager->embed_url($url);
$this->assertNotContains('mediaplugin_videojs', $t);
$this->assertRegExp('~<a class="mediafallbacklink" href="http://example.org/some_filename.flv">some_filename.flv</a>~', $t);
}
/**
* Test that VideoJS can embed RTMP streams.
*/
public function test_rtmp() {
$manager = core_media_manager::instance();
// RTMP disabled, flash disabled.
set_config('useflash', 0, 'media_videojs');
set_config('rtmp', 0, 'media_videojs');
$url = new moodle_url('rtmp://example.com/fms&mp4:path/to/file.mp4');
$t = $manager->embed_url($url);
$this->assertNotContains('mediaplugin_videojs', $t);
$this->assertRegExp('~<a class="mediafallbacklink" href="rtmp://example.com/fms&mp4:path/to/file.mp4">file.mp4</a>~', $t);
// RTMP enabled, flash disabled.
set_config('useflash', 0, 'media_videojs');
set_config('rtmp', 1, 'media_videojs');
$url = new moodle_url('rtmp://example.com/fms&mp4:path/to/file.mp4');
$t = $manager->embed_url($url);
$this->assertNotContains('mediaplugin_videojs', $t);
$this->assertRegExp('~<a class="mediafallbacklink" href="rtmp://example.com/fms&mp4:path/to/file.mp4">file.mp4</a>~', $t);
// RTMP enabled, flash enabled, rtmp/mp4 type expected.
set_config('useflash', 1, 'media_videojs');
set_config('rtmp', 1, 'media_videojs');
$url = new moodle_url('rtmp://example.com/fms&mp4:path/to/file.mp4');
$t = $manager->embed_url($url);
$this->flash_plugin_engaged($t);
$this->assertRegExp('~</video>~', $t);
$this->assertRegExp('~<source src="rtmp://example.com/fms&mp4:path/to/file.mp4" type="rtmp/mp4"~', $t);
$this->assertRegExp('~<a class="mediafallbacklink" href="rtmp://example.com/fms&mp4:path/to/file.mp4">file.mp4</a>~', $t);
// RTMP enabled, flash enabled, rtmp/flv type expected.
set_config('useflash', 1, 'media_videojs');
set_config('rtmp', 1, 'media_videojs');
$url = new moodle_url('rtmp://example.com/fms&flv:path/to/file.flv');
$t = $manager->embed_url($url);
$this->flash_plugin_engaged($t);
$this->assertRegExp('~</video>~', $t);
$this->assertRegExp('~<source src="rtmp://example.com/fms&flv:path/to/file.flv" type="rtmp/flv"~', $t);
$this->assertRegExp('~<a class="mediafallbacklink" href="rtmp://example.com/fms&flv:path/to/file.flv">file.flv</a>~', $t);
}
}