Merge branch '4.2' into 4

.travis.yml

@@ -67,12 +67,12 @@ before_script:
 # Install composer dependencies
   - composer validate
   - mkdir ./public
-  - if [[ $DB == PGSQL ]]; then composer require silverstripe/postgresql:2.0.x-dev --no-update; fi
+  - if [[ $DB == PGSQL ]]; then composer require silverstripe/postgresql:2.1.x-dev --no-update; fi
   - if [[ $DB == SQLITE ]]; then composer require silverstripe/sqlite3:2.0.x-dev --no-update; fi
   - composer require silverstripe/recipe-testing:^1 silverstripe/recipe-core:4.2.x-dev silverstripe/admin:1.2.x-dev silverstripe/versioned:1.2.x-dev --no-update
   - if [[ $PHPUNIT_TEST == cms ]]; then composer require silverstripe/recipe-cms:4.2.x-dev --no-update; fi
   - if [[ $PHPCS_TEST ]]; then composer global require squizlabs/php_codesniffer:^3 --prefer-dist --no-interaction --no-progress --no-suggest -o; fi
-  - composer install --prefer-dist --no-interaction --no-progress --no-suggest --optimize-autoloader --verbose --profile
+  - composer install --prefer-source --no-interaction --no-progress --no-suggest --optimize-autoloader --verbose --profile
 
 # Log constants to CI for debugging purposes
   - php ./tests/dump_constants.php

.upgrade.yml

@@ -988,7 +988,7 @@ warnings:
     'HTMLEditorField_Toolbar':
       message: 'replaced With SilverStripe\Admin\ModalController'
     'HTMLEditorField_Embed':
-      message: 'replaced with SilverStripe\AssetAdmin\Model\EmbedResource'
+      message: 'replaced with SilverStripe\View\Embed\EmbedResource'
     'HTMLEditorField_File':
       message: 'Removed'
     'HTMLEditorField_Flash':

_config/oembed.yml

@@ -0,0 +1,6 @@
+---
+Name: coreoembed
+---
+SilverStripe\Core\Injector\Injector:
+  SilverStripe\View\Embed\Embeddable:
+    class: SilverStripe\View\Embed\EmbedResource

src/Dev/SapphireTest.php

@@ -78,6 +78,14 @@ class SapphireTest extends PHPUnit_Framework_TestCase implements TestOnly
      */
     protected $usesDatabase = null;
 
+    /**
+     * This test will cleanup its state via transactions.
+     * If set to false a full schema is forced between tests, but at a performance cost.
+     *
+     * @var bool
+     */
+    protected $usesTransactions = true;
+
     /**
      * @var bool
      */
@@ -228,6 +236,14 @@ class SapphireTest extends PHPUnit_Framework_TestCase implements TestOnly
         return $this->usesDatabase;
     }
 
+    /**
+     * @return bool
+     */
+    public function getUsesTransactions()
+    {
+        return $this->usesTransactions;
+    }
+
     /**
      * @return array
      */

src/Dev/State/FixtureTestState.php

@@ -19,6 +19,13 @@ class FixtureTestState implements TestState
      */
     private $fixtureFactories = [];
 
+    /**
+     * Set if fixtures have been loaded
+     *
+     * @var bool
+     */
+    protected $loaded = [];
+
     /**
      * Called on setup
      *
@@ -26,14 +33,27 @@ class FixtureTestState implements TestState
      */
     public function setUp(SapphireTest $test)
     {
-        if ($this->testNeedsDB($test)) {
+        if (!$this->testNeedsDB($test)) {
+            return;
+        }
+
+        // Ensure DB is built
         $tmpDB = $test::tempDB();
         if (!$tmpDB->isUsed()) {
+            // Build base db
             $tmpDB->build();
+
+            // Reset schema
+            $extraObjects = $test->getExtraDataObjects();
+            if ($extraObjects) {
+                $tmpDB->resetDBSchema($extraObjects);
             }
+        }
+
         DataObject::singleton()->flushCache();
 
-            if (!$tmpDB->hasStarted()) {
+        // Ensure DB is built and populated
+        if (!$this->getIsLoaded(get_class($test))) {
             foreach ($test->getRequireDefaultRecordsFrom() as $className) {
                 $instance = singleton($className);
                 if (method_exists($instance, 'requireDefaultRecords')) {
@@ -45,6 +65,9 @@ class FixtureTestState implements TestState
             }
             $this->loadFixtures($test);
         }
+
+        // Begin transactions if enabled
+        if ($test->getUsesTransactions()) {
             $tmpDB->startTransaction();
         }
     }
@@ -56,9 +79,21 @@ class FixtureTestState implements TestState
      */
     public function tearDown(SapphireTest $test)
     {
-        if ($this->testNeedsDB($test)) {
-            $test::tempDB()->rollbackTransaction();
+        if (!$this->testNeedsDB($test)) {
+            return;
         }
+
+        // For transactional states, rollback if possible
+        if ($test->getUsesTransactions()) {
+            $success = $test::tempDB()->rollbackTransaction();
+            if ($success) {
+                return;
+            }
+        }
+
+        // Force reset if transaction failed, or disabled
+        $test::tempDB()->kill();
+        $this->resetFixtureFactory(get_class($test));
     }
 
     /**
@@ -68,7 +103,7 @@ class FixtureTestState implements TestState
      */
     public function setUpOnce($class)
     {
-        $this->fixtureFactories[strtolower($class)] = Injector::inst()->create(FixtureFactory::class);
+        $this->resetFixtureFactory($class);
     }
 
     /**
@@ -130,6 +165,8 @@ class FixtureTestState implements TestState
         foreach ($paths as $fixtureFile) {
             $this->loadFixture($fixtureFile, $test);
         }
+        // Flag as loaded
+        $this->loaded[strtolower(get_class($test))] = true;
     }
 
     /**
@@ -220,4 +257,27 @@ class FixtureTestState implements TestState
 
         return false;
     }
+
+    /**
+     * Bootstrap a clean fixture factory for the given class
+     *
+     * @param string $class
+     */
+    protected function resetFixtureFactory($class)
+    {
+        $class = strtolower($class);
+        $this->fixtureFactories[$class] = Injector::inst()->create(FixtureFactory::class);
+        $this->loaded[$class] = false;
+    }
+
+    /**
+     * Check if fixtures need to be loaded for this class
+     *
+     * @param string $class Name of test to check
+     * @return bool
+     */
+    protected function getIsLoaded($class)
+    {
+        return !empty($this->loaded[strtolower($class)]);
+    }
 }

src/ORM/Connect/Database.php

@@ -654,22 +654,40 @@ abstract class Database
      *
      * @param string|boolean $savepoint Name of savepoint, or leave empty to rollback
      * to last savepoint
+     * @return bool|null Boolean is returned if success state is known, or null if
+     * unknown. Note: For error checking purposes null should not be treated as error.
      */
     abstract public function transactionRollback($savepoint = false);
 
     /**
      * Commit everything inside this transaction so far
      *
-     * @param boolean $chain
+     * @param bool $chain
+     * @return bool|null Boolean is returned if success state is known, or null if
+     * unknown. Note: For error checking purposes null should not be treated as error.
      */
     abstract public function transactionEnd($chain = false);
 
+    /**
+     * Return depth of current transaction
+     *
+     * @return int Nesting level, or 0 if not in a transaction
+     */
+    public function transactionDepth()
+    {
+        // Placeholder error for transactional DBs that don't expose depth
+        if ($this->supportsTransactions()) {
+            user_error(get_class($this) . " does not support transactionDepth", E_USER_WARNING);
+        }
+        return 0;
+    }
+
     /**
      * Determines if the used database supports application-level locks,
      * which is different from table- or row-level locking.
      * See {@link getLock()} for details.
      *
-     * @return boolean Flag indicating that locking is available
+     * @return bool Flag indicating that locking is available
      */
     public function supportsLocks()
     {
@@ -681,7 +699,7 @@ abstract class Database
      * See {@link supportsLocks()} to check if locking is generally supported.
      *
      * @param string $name Name of the lock
-     * @return boolean
+     * @return bool
      */
     public function canLock($name)
     {
@@ -703,7 +721,7 @@ abstract class Database
      *
      * @param string $name Name of lock
      * @param integer $timeout Timeout in seconds
-     * @return boolean
+     * @return bool
      */
     public function getLock($name, $timeout = 5)
     {
@@ -715,7 +733,7 @@ abstract class Database
      * (if the execution aborts (e.g. due to an error) all locks are automatically released).
      *
      * @param string $name Name of the lock
-     * @return boolean Flag indicating whether the lock was successfully released
+     * @return bool Flag indicating whether the lock was successfully released
      */
     public function releaseLock($name)
     {
@@ -756,7 +774,7 @@ abstract class Database
      * Determine if the database with the specified name exists
      *
      * @param string $name Name of the database to check for
-     * @return boolean Flag indicating whether this database exists
+     * @return bool Flag indicating whether this database exists
      */
     public function databaseExists($name)
     {
@@ -778,12 +796,12 @@ abstract class Database
      * database if it doesn't exist in the current schema.
      *
      * @param string $name Name of the database
-     * @param boolean $create Flag indicating whether the database should be created
+     * @param bool $create Flag indicating whether the database should be created
      * if it doesn't exist. If $create is false and the database doesn't exist
      * then an error will be raised
-     * @param int|boolean $errorLevel The level of error reporting to enable for the query, or false if no error
+     * @param int|bool $errorLevel The level of error reporting to enable for the query, or false if no error
      * should be raised
-     * @return boolean Flag indicating success
+     * @return bool Flag indicating success
      */
     public function selectDatabase($name, $create = false, $errorLevel = E_USER_ERROR)
     {

src/ORM/Connect/MySQLDatabase.php

@@ -329,25 +329,78 @@ class MySQLDatabase extends Database
 
     public function transactionRollback($savepoint = false)
     {
+        // Named transaction
         if ($savepoint) {
             $this->query('ROLLBACK TO ' . $savepoint);
-        } else {
+            return true;
+        }
+
+        // Fail if transaction isn't available
+        if (!$this->transactionNesting) {
+            return false;
+        }
         --$this->transactionNesting;
         if ($this->transactionNesting > 0) {
             $this->transactionRollback('NESTEDTRANSACTION' . $this->transactionNesting);
         } else {
             $this->query('ROLLBACK');
         }
+        return true;
     }
+
+    public function transactionDepth()
+    {
+        return $this->transactionNesting;
     }
 
     public function transactionEnd($chain = false)
     {
+        // Fail if transaction isn't available
+        if (!$this->transactionNesting) {
+            return false;
+        }
         --$this->transactionNesting;
         if ($this->transactionNesting <= 0) {
             $this->transactionNesting = 0;
             $this->query('COMMIT AND ' . ($chain ? '' : 'NO ') . 'CHAIN');
         }
+        return true;
+    }
+
+    /**
+     * In error condition, set transactionNesting to zero
+     */
+    protected function resetTransactionNesting()
+    {
+        $this->transactionNesting = 0;
+    }
+
+    public function query($sql, $errorLevel = E_USER_ERROR)
+    {
+        $this->inspectQuery($sql);
+        return parent::query($sql, $errorLevel);
+    }
+
+    public function preparedQuery($sql, $parameters, $errorLevel = E_USER_ERROR)
+    {
+        $this->inspectQuery($sql);
+        return parent::preparedQuery($sql, $parameters, $errorLevel);
+    }
+
+    /**
+     * Inspect a SQL query prior to execution
+     *
+     * @param string $sql
+     */
+    protected function inspectQuery($sql)
+    {
+        // Any DDL discards transactions.
+        // See https://dev.mysql.com/doc/internals/en/transactions-notes-on-ddl-and-normal-transaction.html
+        // on why we need to be over-eager
+        $isDDL = $this->getConnector()->isQueryDDL($sql);
+        if ($isDDL) {
+            $this->resetTransactionNesting();
+        }
     }
 
     public function comparisonClause(

src/ORM/Connect/TempDatabase.php

@@ -23,11 +23,6 @@ class TempDatabase
      */
     protected $name = null;
 
-    /**
-     * @var bool If a transaction has been started
-     */
-    protected $hasStarted = false;
-
     /**
      * Create a new temp database
      *
@@ -73,14 +68,6 @@ class TempDatabase
         return $this->isDBTemp($selected);
     }
 
-    /**
-     * @return bool
-     */
-    public function hasStarted()
-    {
-        return $this->hasStarted;
-    }
-
     /**
      * @return bool
      */
@@ -94,7 +81,6 @@ class TempDatabase
      */
     public function startTransaction()
     {
-        $this->hasStarted = true;
         if (static::getConn()->supportsTransactions()) {
             static::getConn()->transactionStart();
         }
@@ -102,14 +88,28 @@ class TempDatabase
 
     /**
      * Rollback a transaction (or trash all data if the DB doesn't support databases
+     *
+     * @return bool True if successfully rolled back, false otherwise. On error the DB is
+     * killed and must be re-created. Note that calling rollbackTransaction() when there
+     * is no transaction is counted as a failure, user code should either kill or flush the DB
+     * as necessary
      */
     public function rollbackTransaction()
     {
-        if (static::getConn()->supportsTransactions()) {
-            static::getConn()->transactionRollback();
-        } else {
-            $this->hasStarted = false;
-            static::clearAllData();
+        // Ensure a rollback can be performed
+        $success = static::getConn()->supportsTransactions()
+            && static::getConn()->transactionDepth();
+        if (!$success) {
+            return false;
+        }
+        try {
+            // Explicit false = gnostic error from transactionRollback
+            if (static::getConn()->transactionRollback() === false) {
+                return false;
+            }
+            return true;
+        } catch (DatabaseException $ex) {
+            return false;
         }
     }
 
@@ -118,11 +118,14 @@ class TempDatabase
      */
     public function kill()
     {
-        // Delete our temporary database
+        // Nothing to kill
         if (!$this->isUsed()) {
             return;
         }
 
+        // Rollback any transactions (note: Success ignored)
+        $this->rollbackTransaction();
+
         // Check the database actually exists
         $dbConn = $this->getConn();
         $dbName = $dbConn->getSelectedDatabase();
@@ -147,7 +150,6 @@ class TempDatabase
      */
     public function clearAllData()
     {
-        $this->hasStarted = false;
         if (!$this->isUsed()) {
             return;
         }
@@ -205,39 +207,12 @@ class TempDatabase
     }
 
     /**
-     * Clear all temp DBs on this connection
+     * Rebuild all database tables
      *
-     * Note: This will output results to stdout unless suppressOutput
-     * is set on the current db schema
+     * @param array $extraDataObjects
      */
-    public function deleteAll()
+    protected function rebuildTables($extraDataObjects = [])
     {
-        $schema = $this->getConn()->getSchemaManager();
-        foreach ($schema->databaseList() as $dbName) {
-            if ($this->isDBTemp($dbName)) {
-                $schema->dropDatabase($dbName);
-                $schema->alterationMessage("Dropped database \"$dbName\"", 'deleted');
-                flush();
-            }
-        }
-    }
-
-    /**
-     * Reset the testing database's schema.
-     *
-     * @param array $extraDataObjects List of extra dataobjects to build
-     */
-    public function resetDBSchema(array $extraDataObjects = [])
-    {
-        // pgsql doesn't allow schema updates inside transactions
-        // so we need to rollback any transactions before commencing a schema reset
-        if ($this->hasStarted()) {
-            $this->rollbackTransaction();
-        }
-        if (!$this->isUsed()) {
-            return;
-        }
-
         DataObject::reset();
 
         // clear singletons, they're caching old extension info which is used in DatabaseAdmin->doBuild()
@@ -273,4 +248,45 @@ class TempDatabase
         ClassInfo::reset_db_cache();
         DataObject::singleton()->flushCache();
     }
+
+    /**
+     * Clear all temp DBs on this connection
+     *
+     * Note: This will output results to stdout unless suppressOutput
+     * is set on the current db schema
+     */
+    public function deleteAll()
+    {
+        $schema = $this->getConn()->getSchemaManager();
+        foreach ($schema->databaseList() as $dbName) {
+            if ($this->isDBTemp($dbName)) {
+                $schema->dropDatabase($dbName);
+                $schema->alterationMessage("Dropped database \"$dbName\"", 'deleted');
+                flush();
+            }
+        }
+    }
+
+    /**
+     * Reset the testing database's schema.
+     *
+     * @param array $extraDataObjects List of extra dataobjects to build
+     */
+    public function resetDBSchema(array $extraDataObjects = [])
+    {
+        // Skip if no DB
+        if (!$this->isUsed()) {
+            return;
+        }
+
+        try {
+            $this->rebuildTables($extraDataObjects);
+        } catch (DatabaseException $ex) {
+            // In case of error during build force a hard reset
+            // e.g. pgsql doesn't allow schema updates inside transactions
+            $this->kill();
+            $this->build();
+            $this->rebuildTables($extraDataObjects);
+        }
+    }
 }

src/View/Embed/EmbedResource.php

@@ -0,0 +1,147 @@
+<?php
+
+namespace SilverStripe\View\Embed;
+
+use Embed\Adapters\Adapter;
+use Embed\Embed;
+use Embed\Http\DispatcherInterface;
+use SilverStripe\Core\Manifest\ModuleResourceLoader;
+
+/**
+ * Encapsulation of an embed tag, linking to an external media source.
+ *
+ * @see Embed
+ */
+class EmbedResource implements Embeddable
+{
+    /**
+     * Embed result
+     *
+     * @var Adapter
+     */
+    protected $embed;
+
+    /**
+     * @var string
+     */
+    protected $url;
+
+    /**
+     * @var array
+     */
+    protected $options;
+
+    /**
+     * @var DispatcherInterface
+     */
+    protected $dispatcher;
+
+    /**
+     * @param string @url
+     */
+    public function __construct($url)
+    {
+        $this->url = $url;
+    }
+
+    public function getWidth()
+    {
+        return $this->getEmbed()->getWidth() ?: 100;
+    }
+
+    public function getHeight()
+    {
+        return $this->getEmbed()->getHeight() ?: 100;
+    }
+
+    public function getPreviewURL()
+    {
+        // Use thumbnail url
+        if ($this->getEmbed()->image) {
+            return $this->getEmbed()->image;
+        }
+
+        // Use direct image type
+        if ($this->getType() === 'photo' && !empty($this->getEmbed()->url)) {
+            return $this->getEmbed()->url;
+        }
+
+        // Default media
+        return ModuleResourceLoader::resourceURL(
+            'silverstripe/asset-admin:client/dist/images/icon_file.png'
+        );
+    }
+
+    /**
+     * Get human readable name for this resource
+     *
+     * @return string
+     */
+    public function getName()
+    {
+        if ($this->getEmbed()->title) {
+            return $this->getEmbed()->title;
+        }
+
+        return preg_replace('/\?.*/', '', basename($this->getEmbed()->getUrl()));
+    }
+
+    public function getType()
+    {
+        return $this->getEmbed()->type;
+    }
+
+    public function validate()
+    {
+        return !empty($this->getEmbed()->code);
+    }
+
+    /**
+     * @param array $options
+     * @return $this
+     */
+    public function setOptions(array $options)
+    {
+        $this->options = $options;
+        return $this;
+    }
+
+    /**
+     * @return array
+     */
+    public function getOptions()
+    {
+        return $this->options;
+    }
+
+    /**
+     * @param DispatcherInterface $dispatcher
+     * @return $this
+     */
+    public function setDispatcher(DispatcherInterface $dispatcher)
+    {
+        $this->dispatcher = $dispatcher;
+        return $this;
+    }
+
+    /**
+     * @return DispatcherInterface
+     */
+    public function getDispatcher()
+    {
+        return $this->dispatcher;
+    }
+
+    /**
+     * Returns a bootstrapped Embed object
+     *
+     * @return Adapter
+     */
+    public function getEmbed()
+    {
+        if (!$this->embed) {
+            $this->embed = Embed::create($this->url, $this->getOptions(), $this->getDispatcher());
+        }
+        return $this->embed;
+    }
+}

src/View/Embed/Embeddable.php

@@ -0,0 +1,53 @@
+<?php
+
+namespace SilverStripe\View\Embed;
+
+/**
+ * Abstract interface for an embeddable resource
+ *
+ * @see EmbedResource
+ */
+interface Embeddable
+{
+    /**
+     * Get width of this Embed
+     *
+     * @return int
+     */
+    public function getWidth();
+
+    /**
+     * Get height of this Embed
+     *
+     * @return int
+     */
+    public function getHeight();
+
+    /**
+     * Get preview url
+     *
+     * @return string
+     */
+    public function getPreviewURL();
+
+    /**
+     * Get human readable name for this resource
+     *
+     * @return string
+     */
+    public function getName();
+
+    /**
+     * Get Embed type
+     *
+     * @return string
+     */
+    public function getType();
+
+    /**
+     * Validate this resource
+     *
+     * @return bool
+     */
+    public function validate();
+}

src/View/Shortcodes/EmbedShortcodeProvider.php

@@ -4,6 +4,8 @@ namespace SilverStripe\View\Shortcodes;
 
 use SilverStripe\Core\Convert;
 use SilverStripe\Core\Injector\Injector;
+use SilverStripe\View\Embed\Embeddable;
+use SilverStripe\View\Embed\EmbedResource;
 use SilverStripe\View\HTML;
 use SilverStripe\View\Parsers\ShortcodeHandler;
 use Embed\Adapters\Adapter;
@@ -60,6 +62,12 @@ class EmbedShortcodeProvider implements ShortcodeHandler
             $serviceArguments['min_image_height'] = $arguments['height'];
         }
 
+        /** @var EmbedResource $embed */
+        $embed = Injector::inst()->create(Embeddable::class, $serviceURL);
+        if (!empty($serviceArguments)) {
+            $embed->setOptions(array_merge($serviceArguments, (array) $embed->getOptions()));
+        }
+
         // Allow resolver to be mocked
         $dispatcher = null;
         if (isset($extra['resolver'])) {
@@ -68,10 +76,11 @@ class EmbedShortcodeProvider implements ShortcodeHandler
                 $serviceURL,
                 $extra['resolver']['config']
             );
+            $embed->setDispatcher($dispatcher);
         }
 
         // Process embed
-        $embed = Embed::create($serviceURL, $serviceArguments, $dispatcher);
+        $embed = $embed->getEmbed();
 
         // Convert embed object into HTML
         if ($embed && $embed instanceof Adapter) {

tests/php/Security/GroupTest.php

@@ -20,6 +20,11 @@ class GroupTest extends FunctionalTest
         TestMember::class
     ];
 
+    protected function setUp()
+    {
+        parent::setUp();
+    }
+
     public function testGroupCodeDefaultsToTitle()
     {
         $g1 = new Group();

tests/php/View/Embed/EmbedResourceTest.php

@@ -0,0 +1,65 @@
+<?php
+
+namespace SilverStripe\View\Tests\Embed;
+
+use Embed\Adapters\Adapter;
+use Embed\Http\DispatcherInterface;
+use Embed\Http\Response;
+use Embed\Http\Url;
+use SilverStripe\Core\Injector\Injector;
+use SilverStripe\Dev\SapphireTest;
+use SilverStripe\View\Embed\EmbedResource;
+
+class EmbedResourceTest extends SapphireTest
+{
+    public function testGetEmbed()
+    {
+        $dispatcherMock = $this->createMock(DispatcherInterface::class);
+        $dispatcherMock->expects($this->atLeastOnce())->method('dispatch')->willReturn($this->mockResponse());
+
+        /** @var EmbedResource $embed */
+        $embed = Injector::inst()->create(EmbedResource::class, 'https://www.youtube.com/watch?v=iRXJXaLV0n4');
+        $this->assertEmpty($embed->getOptions());
+        $this->assertEmpty($embed->getDispatcher());
+
+        $embed->setOptions(['foo' => 'bar']);
+        $embed->setDispatcher($dispatcherMock);
+
+        $adapter = $embed->getEmbed();
+        $this->assertInstanceOf(Adapter::class, $adapter);
+        $this->assertSame('Try to stay SERIOUS -The most popular CAT videos', $adapter->getTitle());
+    }
+
+    /**
+     * Generate a mock Response object suitable for Embed
+     *
+     * @return Response
+     */
+    private function mockResponse()
+    {
+        $url = Url::create('https://www.youtube.com/watch?v=iRXJXaLV0n4');
+        return new Response(
+            $url,
+            $url,
+            200,
+            'application/json',
+            json_encode([
+                'author_url' => 'https://www.youtube.com/channel/UCR2KG2dK1tAkwZZjm7rAiSg',
+                'thumbnail_width' => 480,
+                'title' => 'Try to stay SERIOUS -The most popular CAT videos',
+                'width' => 480,
+                'provider_name' => 'YouTube',
+                'author_name' => 'Tiger Funnies',
+                'height' => 270,
+                'version' => '1.0',
+                'type' => 'video',
+                // phpcs:ignore
+                'html' => '<iframe width="480" height="270" src="https://www.youtube.com/embed/iRXJXaLV0n4?feature=oembed" frameborder="0" allow="autoplay; encrypted-media" allowfullscreen></iframe>',
+                'provider_url' => 'https://www.youtube.com/',
+                'thumbnail_height' => 360,
+                'thumbnail_url' => 'https://i.ytimg.com/vi/iRXJXaLV0n4/hqdefault.jpg',
+            ]),
+            []
+        );
+    }
+}