Adding basic service manager test

tests/ZendTest/ServiceManager/ServiceManagerPerformanceTest.php

@@ -0,0 +1,121 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link      http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2013 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd New BSD License
+ * @package   Zend_ServiceManager
+ */
+
+namespace ZendTest\ServiceManager;
+
+use Zend\ServiceManager\ServiceManager;
+
+use ZendTest\ServiceManager\TestAsset\FooCounterAbstractFactory;
+
+class ServiceManagerPerformanceTest extends \PHPUnit_Framework_TestCase
+{
+    /**
+     * @var \Zend\ServiceManager\ServiceManager
+     */
+    protected $serviceManager;
+
+    /**
+     * @var int
+     */
+    protected $iterations = 100000;
+
+    /**
+     * @var float
+     */
+    protected $lastSnapshotTime;
+
+    /**
+     * {@inheritDoc}
+     */
+    public function setUp()
+    {
+        $this->serviceManager = new ServiceManager();
+    }
+
+    /**
+     * @bufferedOutput
+     */
+    public function testGetPerformance()
+    {
+        $this->serviceManager->setService('foo', new \stdClass());
+        $this->startProfiling();
+
+        for ($i = 0; $i < $this->iterations; $i += 1) {
+            $this->serviceManager->get('foo');
+        }
+
+        var_dump(__METHOD__, $this->stopProfiling());
+    }
+
+    /**
+     * @bufferedOutput
+     */
+    public function testHasPerformance()
+    {
+        $this->serviceManager->setService('foo', new \stdClass());
+        $this->startProfiling();
+
+        for ($i = 0; $i < $this->iterations; $i += 1) {
+            $this->serviceManager->has('foo');
+        }
+
+        var_dump(__METHOD__, $this->stopProfiling());
+    }
+
+    /**
+     * @bufferedOutput
+     */
+    public function testHasPerformanceWithNoService()
+    {
+        $this->startProfiling();
+
+        for ($i = 0; $i < $this->iterations; $i += 1) {
+            $this->serviceManager->has('foo');
+        }
+
+        var_dump(__METHOD__, $this->stopProfiling());
+    }
+
+    /**
+     * @bufferedOutput
+     */
+    public function testCreatePerformance()
+    {
+        $this->serviceManager->setInvokableClass('foo', 'stdClass');
+        $this->startProfiling();
+
+        for ($i = 0; $i < $this->iterations; $i += 1) {
+            $this->serviceManager->create('foo');
+        }
+
+        var_dump(__METHOD__, $this->stopProfiling());
+    }
+
+    /**
+     * Start profiling execution
+     */
+    private function startProfiling()
+    {
+        $this->lastSnapshotTime = microtime(true);
+    }
+
+    /**
+     * Get current profiler snapshot and stop profiling
+     *
+     * @return array
+     */
+    private function stopProfiling()
+    {
+        return array(
+            'time'       => microtime(true) - $this->lastSnapshotTime,
+            'iterations' => $this->iterations,
+        );
+    }
+}