Add providers factory

lib/Alchemy/Phrasea/Authentication/Provider/Factory.php

@@ -0,0 +1,43 @@
+<?php
+
+/*
+ * This file is part of Phraseanet
+ *
+ * (c) 2005-2013 Alchemy
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Alchemy\Phrasea\Authentication\Provider;
+
+use Alchemy\Phrasea\Exception\InvalidArgumentException;
+use Symfony\Component\Routing\Generator\UrlGenerator;
+use Symfony\Component\HttpFoundation\Session\SessionInterface;
+
+class Factory
+{
+    private $generator;
+    private $session;
+
+    public function __construct(UrlGenerator $generator, SessionInterface $session)
+    {
+        $this->generator = $generator;
+        $this->session = $session;
+    }
+
+    public function build($name, array $options = array())
+    {
+        $name = implode('', array_map(function ($chunk) {
+            return ucfirst(strtolower($chunk));
+        }, explode('-', $name)));
+
+        $class_name = sprintf('%s\\%s', __NAMESPACE__, $name);
+
+        if (!class_exists($class_name)) {
+            throw new InvalidArgumentException(sprintf('Invalid provider %s', $name));
+        }
+
+        return $class_name::create($this->generator, $this->session, $options);
+    }
+}

tests/Alchemy/Tests/Phrasea/Authentication/Provider/FactoryTest.php

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+<?php
+
+namespace Alchemy\Tests\Phrasea\Authentication\Provider;
+
+use Alchemy\Phrasea\Authentication\Provider\Factory;
+
+class FactoryTest extends \PHPUnit_Framework_TestCase
+{
+    /**
+     * @dataProvider provideNameAndOptions
+     */
+    public function testBuild($name, $options, $expected)
+    {
+        $generator = $this->getMockBuilder('Symfony\Component\Routing\Generator\UrlGenerator')
+            ->disableOriginalConstructor()
+            ->getMock();
+
+        $session = $this->getMock('Symfony\Component\HttpFoundation\Session\SessionInterface');
+
+        $factory = new Factory($generator, $session);
+
+        $this->assertInstanceOf($expected, $factory->build($name, $options));
+    }
+
+    public function provideNameAndOptions()
+    {
+        return array(
+            array('github', array('client-id' => 'id', 'client-secret' => 'secret'), 'Alchemy\Phrasea\Authentication\Provider\Github'),
+            array('google-plus', array('client-id' => 'id', 'client-secret' => 'secret'), 'Alchemy\Phrasea\Authentication\Provider\GooglePlus'),
+            array('linkedin', array('client-id' => 'id', 'client-secret' => 'secret'), 'Alchemy\Phrasea\Authentication\Provider\Linkedin'),
+            array('twitter', array('consumer-key' => 'id', 'consumer-secret' => 'secret'), 'Alchemy\Phrasea\Authentication\Provider\Twitter'),
+            array('viadeo', array('client-id' => 'id', 'client-secret' => 'secret'), 'Alchemy\Phrasea\Authentication\Provider\Viadeo'),
+        );
+    }
+}