Added tests for Cache\QueryCacheProfile

tests/Doctrine/Tests/DBAL/Cache/QueryCacheProfileTest.php

+<?php
+
+namespace Doctrine\Tests\DBAL\Cache;
+
+require_once __DIR__ . '/../../TestInit.php';
+
+use Doctrine\DBAL\Cache\QueryCacheProfile;
+use Doctrine\Tests\DbalTestCase;
+
+class QueryCacheProfileTest extends DbalTestCase
+{
+    const LIFETIME = 3600;
+    const CACHE_KEY = 'user_specified_cache_key';
+
+    /** @var QueryCacheProfile */
+    private $queryCacheProfile;
+
+    protected function setUp()
+    {
+        $this->queryCacheProfile = new QueryCacheProfile(self::LIFETIME, self::CACHE_KEY);
+    }
+
+    /**
+     * @test
+     */
+    public function it_should_use_the_given_cache_key_if_present()
+    {
+        $query  = 'SELECT * FROM foo WHERE bar = ?';
+        $params = array(666);
+        $types  = array(\PDO::PARAM_INT);
+
+        $connectionParams = array(
+            'dbname' => 'database_name',
+            'user' => 'database_user',
+            'password' => 'database_password',
+            'host' => 'database_host',
+            'driver' => 'database_driver'
+        );
+
+        $expectedRealCacheKey = 'query=SELECT * FROM foo WHERE bar = ?&params=a:1:{i:0;i:666;}&types=a:1:{i:0;'
+            . 'i:1;}a:5:{s:6:"dbname";s:13:"database_name";s:4:"user";s:13:"database_user";s:8:"password";s:17:"'
+            . 'database_password";s:4:"host";s:13:"database_host";s:6:"driver";s:15:"database_driver";}';
+
+        $cacheKeysResult = $this->queryCacheProfile->generateCacheKeys($query, $params, $types, $connectionParams);
+
+        $this->assertEquals(self::CACHE_KEY, $cacheKeysResult[0], 'The returned cached key should match the given one');
+        $this->assertEquals($expectedRealCacheKey, $cacheKeysResult[1]);
+    }
+
+    /**
+     * @test
+     */
+    public function it_should_generate_an_automatic_key_if_no_key_has_been_specified()
+    {
+        $query  = 'SELECT * FROM foo WHERE bar = ?';
+        $params = array(666);
+        $types  = array(\PDO::PARAM_INT);
+
+        $connectionParams = array(
+            'dbname' => 'database_name',
+            'user' => 'database_user',
+            'password' => 'database_password',
+            'host' => 'database_host',
+            'driver' => 'database_driver'
+        );
+
+        $expectedRealCacheKey = 'query=SELECT * FROM foo WHERE bar = ?&params=a:1:{i:0;i:666;}&types=a:1:{i:0;'
+            . 'i:1;}a:5:{s:6:"dbname";s:13:"database_name";s:4:"user";s:13:"database_user";s:8:"password";s:17:"'
+            . 'database_password";s:4:"host";s:13:"database_host";s:6:"driver";s:15:"database_driver";}';
+
+        $this->queryCacheProfile = $this->queryCacheProfile->setCacheKey(null);
+
+        $cacheKeysResult = $this->queryCacheProfile->generateCacheKeys($query, $params, $types, $connectionParams);
+
+        $this->assertEquals('8f74136f51719d57f4da9b6d2ba955b42189bb81', $cacheKeysResult[0]);
+        $this->assertEquals($expectedRealCacheKey, $cacheKeysResult[1]);
+    }
+}