Add factory method to create NQM from Doctrine EntityManager

src/Bridge/Doctrine/NQMFactory.php

@@ -0,0 +1,39 @@
+<?php
+
+/**
+ * This file is part of cocur/nqm.
+ *
+ * (c) Florian Eckerstorfer <florian@eckerstorfer.co>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Cocur\NQM\Bridge\Doctrine;
+
+use Doctrine\ORM\EntityManager;
+use Cocur\NQM\QueryLoader\QueryLoaderInterface;
+use Cocur\NQM\NQM;
+
+/**
+ * NQMFactory
+ *
+ * @package    cocur/nqm
+ * @subpackage bridge
+ * @author     Florian Eckerstorfer <florian@eckerstorfer.co>
+ * @copyright  2013-2015 Florian Eckerstorfer
+ * @license    http://opensource.org/licenses/MIT The MIT License
+ */
+class NQMFactory
+{
+    /**
+     * @param EntityManager        $em
+     * @param QueryLoaderInterface $queryLoader
+     *
+     * @return NQM
+     */
+    public static function createFromEntityManager(EntityManager $em, QueryLoaderInterface $queryLoader)
+    {
+        return new NQM($em->getConnection()->getWrappedConnection(), $queryLoader);
+    }
+}

tests/Bridge/Doctrine/NQMFactoryTest.php

@@ -0,0 +1,43 @@
+<?php
+
+/**
+ * This file is part of cocur/nqm.
+ *
+ * (c) Florian Eckerstorfer <florian@eckerstorfer.co>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Cocur\NQM\Bridge\Doctrine;
+
+use Mockery as m;
+use Pseudo\Pdo;
+
+class NQMFactoryTest extends \PHPUnit_Framework_TestCase
+{
+    /**
+     * @test
+     * @covers Cocur\NQM\Bridge\Doctrine\NQMFactory::createFromEntityManager()
+     */
+    public function createFromEntityManager()
+    {
+        $conn = m::mock('Doctrine\DBAL\Connection');
+        $conn->shouldReceive('getWrappedConnection')->andReturn($this->getMockPdo());
+
+        $em = m::mock('Doctrine\ORM\EntityManager');
+        $em->shouldReceive('getConnection')->andReturn($conn);
+
+        $queryLoader = m::mock('Cocur\NQM\QueryLoader\QueryLoaderInterface');
+
+        $this->assertInstanceOf('Cocur\NQM\NQM', NQMFactory::createFromEntityManager($em, $queryLoader));
+    }
+
+    /**
+     * @return \PDO
+     */
+    protected function getMockPdo()
+    {
+        return new Pdo();
+    }
+}