merged branch beberlei/PDOSessionTest (PR #3462)

Commits
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5a6ce20 [Session] Add Test for PDO Session Storage with SQLite in Memory DB.

Discussion
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[Session] PDO Session Storage tests

The PDO Session storage was untested previously.

This test is for the 2.0 API. The methods names all changed in the master branch and have to be adjusted when 2.0 is merged into master.

tests/Symfony/Tests/Component/HttpFoundation/SessionStorage/PdoSessionStorageTest.php

@@ -0,0 +1,60 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Tests\Component\HttpFoundation\SessionStorage;
+
+use Symfony\Component\HttpFoundation\SessionStorage\PdoSessionStorage;
+
+class PdoSessionStorageTest extends \PHPUnit_Framework_TestCase
+{
+    private $pdo;
+
+    protected function setUp()
+    {
+        $this->pdo = new \PDO("sqlite::memory:");
+        $sql = "CREATE TABLE sessions (sess_id VARCHAR(255) PRIMARY KEY, sess_data TEXT, sess_time INTEGER)";
+        $this->pdo->exec($sql);
+    }
+
+    public function testMultipleInstances()
+    {
+        $storage1 = new PdoSessionStorage($this->pdo, array(), array('db_table' => 'sessions'));
+        $storage1->sessionWrite('foo', 'bar');
+
+        $storage2 = new PdoSessionStorage($this->pdo, array(), array('db_table' => 'sessions'));
+        $this->assertEquals('bar', $storage2->sessionRead('foo'), 'values persist between instances');
+    }
+
+    public function testSessionDestroy()
+    {
+        $storage = new PdoSessionStorage($this->pdo, array(), array('db_table' => 'sessions'));
+        $storage->sessionWrite('foo', 'bar');
+        $this->assertEquals(1, count($this->pdo->query('SELECT * FROM sessions')->fetchAll()));
+
+        $storage->sessionDestroy('foo');
+
+        $this->assertEquals(0, count($this->pdo->query('SELECT * FROM sessions')->fetchAll()));
+    }
+
+    public function testSessionGC()
+    {
+        $storage = new PdoSessionStorage($this->pdo, array(), array('db_table' => 'sessions'));
+
+        $storage->sessionWrite('foo', 'bar');
+        $storage->sessionWrite('baz', 'bar');
+
+        $this->assertEquals(2, count($this->pdo->query('SELECT * FROM sessions')->fetchAll()));
+
+        $storage->sessionGC(-1);
+        $this->assertEquals(0, count($this->pdo->query('SELECT * FROM sessions')->fetchAll()));
+    }
+}
+