+ PHPUnit test suite initial version

UnitTests.php

+<?php
+
+require 'app/Mage.php';
+
+if (version_compare(PHP_VERSION, '5.3', '<')) {
+    exit('Magento Unit Tests can be runned only on PHP version over 5.3');
+}
+
+if (!Mage::isInstalled()) {
+    exit('Magento Unit Tests can be runned only on installed version');
+}
+
+Mage::app('admin');
+Mage::getConfig()->init();
+
+class UnitTests extends EcomDev_PHPUnit_Test_Suite
+{
+
+}

app/code/community/EcomDev/PHPUnit/Model/App.php

+<?php
+/**
+ * PHP Unit test suite for Magento
+ *
+ * NOTICE OF LICENSE
+ *
+ * This source file is subject to the Open Software License (OSL 3.0)
+ * that is bundled with this package in the file LICENSE.txt.
+ * It is also available through the world-wide-web at this URL:
+ * http://opensource.org/licenses/osl-3.0.php
+ *
+ * @category   EcomDev
+ * @package    EcomDev_PHPUnit
+ * @copyright  Copyright (c) 2011 Ecommerce Developers (http://www.ecomdev.org)
+ * @license    http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
+ * @author     Ivan Chepurnyi <ivan.chepurnyi@ecomdev.org>
+ */
+
+/**
+ * Application model for phpunit tests
+ *
+ */
+class EcomDev_PHPUnit_Model_App extends Mage_Core_Model_App
+{
+    // Run types constants,
+    // Don't know why
+    // they are not defined in core application
+    const RUN_TYPE_STORE = 'store';
+    const RUN_TYPE_WEBSITE = 'website';
+    const RUN_TYPE_GROUP = 'group';
+
+    // Admin store code
+    const ADMIN_STORE_CODE = 'admin';
+
+    /**
+     * Old configuration model to be returned back
+     * after unit tests are finished
+     *
+     * @var Mage_Core_Model_Config
+     */
+    protected static $_oldConfig = null;
+
+    /**
+     * Old application model to be returned back
+     * after unit tests are finished
+     *
+     * @var Mage_Core_Model_App
+     */
+    protected static $_oldApplication = null;
+
+    /**
+     * Old event collection to be returned back
+     * after the unit tests are finished
+     *
+     * @var Varien_Event_Collection
+     */
+    protected static $_oldEventCollection = null;
+
+    /**
+     * Configuration model class name for unit tests
+     *
+     * @var string
+     */
+    protected static $_configClass = 'EcomDev_PHPUnit_Model_Config';
+
+    /**
+     * Configuration model class name for unit tests
+     *
+     * @var string
+     */
+    protected static $_eventCollectionClass = 'Varien_Event_Collection';
+
+    /**
+     * Configuration model class name for unit tests
+     *
+     * @var string
+     */
+    protected static $_cacheClass = 'EcomDev_PHPUnit_Model_Cache';
+
+    /**
+     * This method replaces application, event and config objects
+     * in Mage to perform unit tests in separate Magento steam
+     *
+     */
+    public static function applyTestScope()
+    {
+        // Save old environment variables
+        self::$_oldApplication = EcomDev_Utils_Reflection::getRestrictedPropertyValue('Mage', '_app');
+        self::$_oldConfig = EcomDev_Utils_Reflection::getRestrictedPropertyValue('Mage', '_config');
+        self::$_oldEventCollection = EcomDev_Utils_Reflection::getRestrictedPropertyValue('Mage', '_events');
+
+        $resource = Mage::getSingleton('core/resource');
+
+
+        // Setting environment variables for unit tests
+        EcomDev_Utils_Reflection::setRestrictedPropertyValue('Mage', '_config', new self::$_configClass);
+        EcomDev_Utils_Reflection::setRestrictedPropertyValue('Mage', '_app', new self);
+        EcomDev_Utils_Reflection::setRestrictedPropertyValue('Mage', '_events', new self::$_eventCollectionClass);
+        EcomDev_Utils_Reflection::setRestrictedPropertyValue($resource, '_connections', array());
+
+        // All unit tests will be runned in admin scope, to get rid of frontend restrictions
+        Mage::app()->initTest();
+    }
+
+    /**
+     * Initializes test scope for PHPUnit
+     *
+     * @return EcomDev_PHPUnit_Model_App
+     */
+    public function initTest()
+    {
+        $this->_config = Mage::getConfig();
+        $this->_config->setOptions($options);
+        $this->_initBaseConfig();
+        $this->_initCache();
+        $this->getCache()->clean();
+        // Init modules runs install proccess for table structures,
+        // It is required for setting up proper setup script
+        $this->_initModules();
+        $this->loadAreaPart(Mage_Core_Model_App_Area::AREA_GLOBAL, Mage_Core_Model_App_Area::PART_EVENTS);
+        if ($this->_config->isLocalConfigLoaded()) {
+            $this->_initCurrentStore(self::ADMIN_STORE_CODE, self::RUN_TYPE_STORE);
+            $this->_initRequest();
+            Mage_Core_Model_Resource_Setup::applyAllDataUpdates();
+        }
+
+        return $this;
+    }
+
+    /**
+     * Discard test scope for application, returns all the objects from live version
+     *
+     */
+    public static function discardTestScope()
+    {
+        // Setting environment variables for unit tests
+        EcomDev_Utils_Reflection::setRestrictedPropertyValue('Mage', '_app', self::$_oldApplication);
+        EcomDev_Utils_Reflection::setRestrictedPropertyValue('Mage', '_config', self::$_oldConfig);
+        EcomDev_Utils_Reflection::setRestrictedPropertyValue('Mage', '_events', self::$_oldEventCollection);
+        $resource = Mage::getSingleton('core/resource');
+        EcomDev_Utils_Reflection::setRestrictedPropertyValue($resource, '_connections', array());
+    }
+
+   /**
+    * We will not use cache for UnitTests
+    *
+    * @return boolean
+    */
+    public function useCache($type=null)
+    {
+        return false;
+    }
+
+}

app/code/community/EcomDev/PHPUnit/Model/Config.php

+<?php
+/**
+ * PHP Unit test suite for Magento
+ *
+ * NOTICE OF LICENSE
+ *
+ * This source file is subject to the Open Software License (OSL 3.0)
+ * that is bundled with this package in the file LICENSE.txt.
+ * It is also available through the world-wide-web at this URL:
+ * http://opensource.org/licenses/osl-3.0.php
+ *
+ * @category   EcomDev
+ * @package    EcomDev_PHPUnit
+ * @copyright  Copyright (c) 2011 Ecommerce Developers (http://www.ecomdev.org)
+ * @license    http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
+ * @author     Ivan Chepurnyi <ivan.chepurnyi@ecomdev.org>
+ */
+
+/**
+ * Configution model extended to make unit tests to be available
+ * at separate configuration scope
+ *
+ */
+class EcomDev_PHPUnit_Model_Config extends Mage_Core_Model_Config
+{
+    /**
+     * Loads additional configuration for unit tests
+     * (non-PHPdoc)
+     * @see Mage_Core_Model_Config::loadBase()
+     */
+    public function loadBase()
+    {
+        parent::loadBase();
+        $this->_loadTestCacheConfig();
+        return $this;
+    }
+
+    /**
+     * (non-PHPdoc)
+     * @see Mage_Core_Model_Config::loadModules()
+     */
+    public function loadModules()
+    {
+        parent::loadModules();
+        $this->_loadTestConfig();
+        $this->_loadTestCacheConfig();
+        return $this;
+    }
+
+    /**
+     * Loads local.xml.phpunit file
+     * for overriding DB credentials
+     *
+     * @return EcomDev_PHPUnit_Model_Config
+     */
+    protected function _loadTestConfig()
+    {
+        $merge = clone $this->_prototype;
+        if ($merge->loadFile($this->_getLocalXmlForTest())) {
+            $this->_checkDbCredentialForDuplicate($this, $merge);
+            $this->extend($merge);
+        } else {
+            throw new Exception('Unable to load local.xml.phpunit');
+        }
+        return $this;
+    }
+
+    /**
+     * Loads cache configuration for PHPUnit tests scope
+     *
+     * @return EcomDev_PHPUnit_Model_Config
+     */
+    protected function _loadTestCacheConfig()
+    {
+        // Cache beckend initialization for unit tests,
+        // because it should be separate from live one
+        $this->setNode('global/cache/backend', 'file');
+        $this->getOptions()->setData('cache_dir', $this->getVarDir() . DS . 'phpunit.cache');
+        $this->getOptions()->setData('session_dir', $this->getVarDir() . DS . 'phpunit.session');
+        return $this;
+    }
+
+    /**
+     * Checks DB credentials for phpunit test case.
+     * They shouldn't be the same as live ones.
+     *
+     * @param Mage_Core_Model_Config_Base $original
+     * @param Mage_Core_Model_Config_Base $test
+     * @return EcomDev_PHPUnit_Model_Config
+     * @throws RuntimeException
+     */
+    protected function _checkDbCredentialForDuplicate($original, $test)
+    {
+        $originalDbName = (string) $original->getNode('global/resources/default_setup/connection/dbname');
+        $testDbName = (string) $test->getNode('global/resources/default_setup/connection/dbname');
+
+        if ($originalDbName == $testDbName) {
+            throw new RuntimeException('Test DB cannot be the same as the live one');
+        }
+        return $this;
+    }
+
+    /**
+     * Retrieves local.xml file path for tests,
+     * If it is not found, method will rise an exception
+     *
+     * @return string
+     * @throws RuntimeException
+     */
+    protected function _getLocalXmlForTest()
+    {
+        $filePath = $this->getOptions()->getEtcDir() . DS . 'local.xml.phpunit';
+        if (!file_exists($filePath)) {
+            throw new RuntimeException('There is no local.xml.phpunit file');
+        }
+
+        return $filePath;
+    }
+}

app/code/community/EcomDev/PHPUnit/Model/Fixture.php

+<?php
+/**
+ * PHP Unit test suite for Magento
+ *
+ * NOTICE OF LICENSE
+ *
+ * This source file is subject to the Open Software License (OSL 3.0)
+ * that is bundled with this package in the file LICENSE.txt.
+ * It is also available through the world-wide-web at this URL:
+ * http://opensource.org/licenses/osl-3.0.php
+ *
+ * @category   EcomDev
+ * @package    EcomDev_PHPUnit
+ * @copyright  Copyright (c) 2011 Ecommerce Developers (http://www.ecomdev.org)
+ * @license    http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
+ * @author     Ivan Chepurnyi <ivan.chepurnyi@ecomdev.org>
+ */
+
+// Loading Spyc yaml parser,
+// becuase Symfony component is not working propertly with nested
+require_once 'Spyc/spyc.php';
+
+/**
+ * Fixture model for Magento unit tests
+ *
+ * Created for operations with different fixture types
+ *
+ */
+class EcomDev_PHPUnit_Model_Fixture extends Mage_Core_Model_Abstract
+{
+    /**
+     * Fixtures array, contains config,
+     * table and eav keys.
+     * Each of them loads data into its area.
+     *
+     * @example
+     * array(
+     *    'config' => array(
+     *        'node/path' => 'value'
+     *    ),
+     *    'table' => array(
+     *        'tablename' => array(
+     *            array(
+     *                'column1' => 'value'
+     *                'column2' => 'value'
+     *                'column3' => 'value'
+     *            ), // row 1
+     *           array(
+     *                'column1' => 'value'
+     *                'column2' => 'value'
+     *                'column3' => 'value'
+     *            ) // row 2
+     *        )
+     *    )
+     *
+     * )
+     *
+     * @var array
+     */
+    protected $_fixture = array();
+
+    /**
+     * Associative array of configuration values that was changed by fixture,
+     * it is used to preserve
+     *
+     */
+    protected $_originalConfiguration = array();
+
+    /**
+     * Model constuctor, just defines wich resource model to use
+     * (non-PHPdoc)
+     * @see Varien_Object::_construct()
+     */
+    protected function _construct()
+    {
+        $this->_init('ecomdev_phpunit/fixture');
+    }
+
+    /**
+     * Load YAML file
+     *
+     * @param string $filePath
+     * @return EcomDev_PHPUnit_Model_Fixture
+     * @throws InvalidArgumentException if file is not a valid YAML file
+     */
+    public function loadYaml($filePath)
+    {
+        $data = Spyc::YAMLLoad($filePath);
+
+        if (empty($this->_fixture)) {
+            $this->_fixture = $data;
+        } else {
+            $this->_fixture = array_merge_recursive($this->_fixture, $data);
+        }
+
+        return $this;
+    }
+
+    /**
+     * Applies loaded fixture
+     *
+     * @return EcomDev_PHPUnit_Model_Fixture
+     */
+    public function apply()
+    {
+        $reflection = EcomDev_Utils_Reflection::getRelflection($this);
+        foreach ($this->_fixture as $part => $data) {
+            $method = '_apply' . uc_words($part, '', '_');
+            if ($reflection->hasMethod($method)) {
+                $this->$method($data);
+            }
+        }
+
+        return $this;
+    }
+
+    /**
+     * Reverts environment to previous state
+     *
+     * @return EcomDev_PHPUnit_Model_Fixture
+     */
+    public function discard()
+    {
+        $reflection = EcomDev_Utils_Reflection::getRelflection($this);
+        foreach ($this->_fixture as $part => $data) {
+            $method = '_discard' . uc_words($part, '', '_');
+            if ($reflection->hasMethod($method)) {
+                $this->$method($data);
+            }
+        }
+
+        $this->_fixture = array();
+    }
+
+    /**
+     * Applies fixture configuration values into Mage_Core_Model_Config
+     *
+     * @param array $configuration
+     * @return EcomDev_PHPUnit_Model_Fixture
+     */
+    protected function _applyConfig($configuration)
+    {
+        if (!is_array($configuration)) {
+            throw new InvalidArgumentException('Configuration part should be an associative list');
+        }
+        foreach ($configuration as $path => $value) {
+            $this->_originalConfiguration[$path] = Mage::getConfig()->getNode($path);
+            Mage::getConfig()->setNode($path, $value);
+        }
+
+        return $this;
+    }
+
+    /**
+     * Reverts fixture configuration values in Mage_Core_Model_Config
+     *
+     * @return EcomDev_PHPUnit_Model_Fixture
+     */
+    protected function _discardConfig()
+    {
+        foreach ($this->_originalConfiguration as $path => $value) {
+            Mage::getConfig()->setNode($path, $value);
+        }
+
+        $this->_originalConfiguration = array();
+        return $this;
+    }
+
+    /**
+     * Applies table data into test database
+     *
+     * @param array $tables
+     * @return EcomDev_PHPUnit_Model_Fixture
+     */
+    protected function _applyTables($tables)
+    {
+        if (!is_array($tables)) {
+            throw new InvalidArgumentException(
+                'Tables part should be an associative list with keys as table entity and values as list of associative rows'
+            );
+        }
+
+        foreach ($tables as $tableEntity => $data) {
+            $this->getResource()->cleanTable($tableEntity);
+            $this->getResource()->loadTableData($tableEntity, $data);
+        }
+    }
+
+    /**
+     * Removes table data from test data base
+     *
+     * @param array $tables
+     * @return EcomDev_PHPUnit_Model_Fixture
+     */
+    protected function _discardTables($tables)
+    {
+        if (!is_array($tables)) {
+            throw new InvalidArgumentException(
+                'Tables part should be an associative list with keys as table entity and values as list of associative rows'
+            );
+        }
+
+        foreach ($tables as $tableEntity => $data) {
+            $this->getResource()->cleanTable($tableEntity);
+        }
+    }
+
+    /**
+     * @todo Create Implementation for EAV models
+     */
+
+    /**
+     * @todo Create Implementation for Websites/Stores/Groups
+     */
+}

app/code/community/EcomDev/PHPUnit/Model/Mysql4/Fixture.php

+<?php
+/**
+ * PHP Unit test suite for Magento
+ *
+ * NOTICE OF LICENSE
+ *
+ * This source file is subject to the Open Software License (OSL 3.0)
+ * that is bundled with this package in the file LICENSE.txt.
+ * It is also available through the world-wide-web at this URL:
+ * http://opensource.org/licenses/osl-3.0.php
+ *
+ * @category   EcomDev
+ * @package    EcomDev_PHPUnit
+ * @copyright  Copyright (c) 2011 Ecommerce Developers (http://www.ecomdev.org)
+ * @license    http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
+ * @author     Ivan Chepurnyi <ivan.chepurnyi@ecomdev.org>
+ */
+
+/**
+ * Fixture resource model.
+ *
+ * Created for direct operations with DB.
+ *
+ */
+class EcomDev_PHPUnit_Model_Mysql4_Fixture extends Mage_Core_Model_Mysql4_Abstract
+{
+    protected function _construct()
+    {
+        $this->_setResource('ecomdev_phpunit');
+    }
+
+    /**
+     * Cleans table in test database
+     *
+     * @param string $tableEntity
+     * @return EcomDev_PHPUnit_Model_Mysql4_Fixture
+     */
+    public function cleanTable($tableEntity)
+    {
+        $this->_getWriteAdapter()
+            ->truncate($this->getTable($tableEntity));
+        return $this;
+    }
+
+    /**
+     * Loads multiple data rows into table
+     *
+     * @param string $tableEntity
+     * @param array $tableData
+     */
+    public function loadTableData($tableEntity, $tableData)
+    {
+        $this->_getWriteAdapter()->insertMultiple(
+            $this->getTable($tableEntity),
+            $tableData
+        );
+
+        return $this;
+    }
+}
\ No newline at end of file

app/code/community/EcomDev/PHPUnit/Test/Case.php

+<?php
+/**
+ * PHP Unit test suite for Magento
+ *
+ * NOTICE OF LICENSE
+ *
+ * This source file is subject to the Open Software License (OSL 3.0)
+ * that is bundled with this package in the file LICENSE.txt.
+ * It is also available through the world-wide-web at this URL:
+ * http://opensource.org/licenses/osl-3.0.php
+ *
+ * @category   EcomDev
+ * @package    EcomDev_PHPUnit
+ * @copyright  Copyright (c) 2011 Ecommerce Developers (http://www.ecomdev.org)
+ * @license    http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
+ * @author     Ivan Chepurnyi <ivan.chepurnyi@ecomdev.org>
+ */
+
+// Loading Spyc yaml parser,
+// becuase Symfony component is not working propertly with nested associations
+require_once 'Spyc/spyc.php';
+
+/**
+ * Basic test case class
+ *
+ *
+ */
+abstract class EcomDev_PHPUnit_Test_Case extends PHPUnit_Framework_TestCase
+{
+    /**
+     * The expectations for current test are loaded here
+     *
+     * @var Varien_Object|null
+     */
+    protected $_expectations = null;
+
+    /**
+     * Loads expectations for current test case
+     *
+     * @throws RuntimeException if no expectation was found
+     * @return Varien_Object
+     */
+    protected function _getExpectations()
+    {
+        if ($this->_expectations === null) {
+            $annotations = $this->getAnnotations();
+            if (isset($annotations['method']['loadExpectation'])) {
+                // Load expectation by annotations
+                $expectations = array();
+                foreach ($annotations['method']['loadExpectation'] as $expectation) {
+                    if (empty($expectation)) {
+                        $expectation = null;
+                    }
+
+                    $expectationFile = $this->_getYamlFilePath('expectations', $expectation);
+                    if ($expectationFile) {
+                        $expectations = array_merge_recursive(
+                            $expectations, Spyc::YAMLLoad($expectationFile)
+                        );
+                    } else {
+                        $text = 'There was no expectation defined for current test case';
+                        if ($expectation) {
+                            $text = sprintf('Cannot load expectation %s', $expectation);
+                        }
+                        throw new RuntimeException($test);
+                    }
+                }
+            } else {
+                // Load expectations by test name
+                $expectationFile = $this->_getYamlFilePath('expectations');
+                if ($expectationFile) {
+                    $expectations = Spyc::YAMLLoad($expectationFile);
+                } else {
+                    throw new RuntimeException('There was no expectation defined for current test case');
+                }
+            }
+
+            $this->_expectations = new Varien_Object($expectations);
+        }
+
+        return $this->_expectations;
+    }
+
+    /**
+     * Retrieves fixture model singleton
+     *
+     * @return EcomDev_PHPUnit_Model_Fixture
+     */
+    protected function _getFixture()
+    {
+        return Mage::getSingleton('ecomdev_phpunit/fixture');
+    }
+
+    /**
+     * Loads YAML file from directory inside of the unit test class
+     * Enter description here ...
+     *
+     * @param string $type type of YAML data (fixtures,expectations,dataproviders)
+     * @param string|null $name the file name for loading, if equals to null,
+     *                          the current test name will be used
+     * @return string|boolean
+     */
+    protected function _getYamlFilePath($type, $name = null)
+    {
+        if ($name === null) {
+            $name = $this->getName(false);
+        }
+
+        if (strrpos($name, '.yaml') !== strlen($name) - 5) {
+            $name .= '.yaml';
+        }
+
+        $classFileObject = new SplFileInfo(
+            EcomDev_Utils_Reflection::getRelflection($this)->getFileName()
+        );
+
+        $filePath = $classFileObject->getPath() . DS
+                  . $classFileObject->getBasename('.php') . DS
+                  . $type . DS . $name;
+
+        if (file_exists($filePath)) {
+            return $filePath;
+        }
+
+        return false;
+    }
+
+    /**
+     * Initializes a particular test environment
+     *
+     * (non-PHPdoc)
+     * @see PHPUnit_Framework_TestCase::setUp()
+     */
+    protected function setUp()
+    {
+        $annotations = $this->getAnnotations();
+        if (isset($annotations['method']['loadFixture'])) {
+            foreach ($annotations['method']['loadFixture'] as $fixture) {
+                if (empty($fixture)) {
+                    $fixture = null;
+                }
+
+                $filePath = $this->_getYamlFilePath('fixtures', $fixture);
+                if (!$filePath) {
+                    throw new RuntimeException('Unable to load fixture for test');
+                }
+
+                $this->_getFixture()->loadYaml($filePath);
+            }
+        }
+
+        $this->_getFixture()->apply();
+        parent::setUp();
+    }
+
+    /**
+     * Implements default data provider functionality,
+     * returns array data loaded from Yaml file with the same name as test method
+     *
+     * @return array
+     */
+    public function dataProvider($testName)
+    {
+        $this->setName($testName);
+        $filePath = $this->_getYamlFilePath('providers');
+        $this->setName(null);
+
+        if (!$filePath) {
+            throw new RuntimeException('Unable to load data provider for the current test');
+        }
+
+        return Spyc::YAMLLoad($filePath);
+    }
+
+    /**
+     * Performs a clean up after a particular test was run
+     * (non-PHPdoc)
+     * @see PHPUnit_Framework_TestCase::tearDown()
+     */
+    protected function tearDown()
+    {
+        $this->_expectations = null; // Clear expectation values
+        $this->_getFixture()->discard(); // Clear applied fixture
+        parent::tearDown();
+    }
+
+}
\ No newline at end of file

app/code/community/EcomDev/PHPUnit/Test/Suite.php

+<?php
+/**
+ * PHP Unit test suite for Magento
+ *
+ * NOTICE OF LICENSE
+ *
+ * This source file is subject to the Open Software License (OSL 3.0)
+ * that is bundled with this package in the file LICENSE.txt.
+ * It is also available through the world-wide-web at this URL:
+ * http://opensource.org/licenses/osl-3.0.php
+ *
+ * @category   EcomDev
+ * @package    EcomDev_PHPUnit
+ * @copyright  Copyright (c) 2011 Ecommerce Developers (http://www.ecomdev.org)
+ * @license    http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
+ * @author     Ivan Chepurnyi <ivan.chepurnyi@ecomdev.org>
+ */
+
+/**
+ * Test suite for Magento
+ *
+ * It discovers all test cases in modules
+ * if they were added to 'phpunit/suite/modules' configuration node
+ *
+ */
+class EcomDev_PHPUnit_Test_Suite extends PHPUnit_Framework_TestSuite
+{
+    // Configuration path constants
+    const XML_PATH_UNIT_TEST_GROUPS = 'phpunit/suite/groups';
+    const XML_PATH_UNIT_TEST_MODULES = 'phpunit/suite/modules';
+    const XML_PATH_UNIT_TEST_APP = 'phpunit/suite/app';
+
+    /**
+     * Setting up test scope for Magento
+     * (non-PHPdoc)
+     * @see PHPUnit_Framework_TestSuite::setUp()
+     */
+    protected function setUp()
+    {
+        $appClass = (string) Mage::getConfig()->getNode(self::XML_PATH_UNIT_TEST_APP);
+        $reflectionClass = EcomDev_Utils_Reflection::getRelflection($appClass);
+
+        if ($reflectionClass->hasMethod('applyTestScope')) {
+            $reflectionClass->getMethod('applyTestScope')->invoke(null);
+        }
+    }
+
+    /**
+     * Returning Magento to the state before suite was run
+     * (non-PHPdoc)
+     * @see PHPUnit_Framework_TestSuite::tearDown()
+     */
+    protected function tearDown()
+    {
+        $appClass = (string) Mage::getConfig()->getNode(self::XML_PATH_UNIT_TEST_APP);
+        $reflectionClass = EcomDev_Utils_Reflection::getRelflection($appClass);
+
+        if ($reflectionClass->hasMethod('discardTestScope')) {
+            $reflectionClass->getMethod('discardTestScope')->invoke(null);
+        }
+    }
+
+    /**
+     * This method loads all available test suites for PHPUnit
+     *
+     * @return PHPUnit_Framework_TestSuite
+     */
+    public static function suite()
+    {
+        $groups = Mage::getConfig()->getNode(self::XML_PATH_UNIT_TEST_GROUPS);
+        $modules = Mage::getConfig()->getNode(self::XML_PATH_UNIT_TEST_MODULES);
+        $suite = new self('Magento Test Suite');
+        // Walk through different groups in modules for finding test cases
+        foreach ($groups->children() as $group) {
+            foreach ($modules->children() as $module) {
+                $realModule = Mage::getConfig()->getNode('modules/' . $module->getName());
+                if (!$realModule || !$realModule->is('active')) {
+                    $suite->addTest(self::warning('There is no module with name: ' . $module->getName()));
+                    continue;
+                }
+
+                $moduleCodeDir = Mage::getBaseDir('code') . DS . (string) $realModule->codePool;
+                $searchPath = Mage::getModuleDir('', $module->getName()) . DS . 'Test' . DS . (string) $group;
+
+                if (!is_dir($searchPath)) {
+                    continue;
+                }
+
+                $directoryIterator = new RecursiveIteratorIterator(
+                    new RecursiveDirectoryIterator($searchPath)
+                );
+
+                $currentGroups = array(
+                    $group->getName(),
+                    $module->getName()
+                );
+
+                foreach ($directoryIterator as $fileObject) {
+                    /* @var $fileObject SplFileObject */
+                    // Skip entry if it is not a php file
+                    if (!$fileObject->isFile() || $fileObject->getBasename('.php') === $fileObject->getBasename()) {
+                        continue;
+                    }
+
+
+                    $classPath = substr($fileObject->getPath() . DS . $fileObject->getBasename('.php'), strlen($moduleCodeDir));
+                    $className = uc_words(ltrim($classPath, DS), '_', DS);
+
+                    // Add unit test case only
+                    // if it is a valid class extended from EcomDev_PHPUnit_Test_Case
+                    if (class_exists($className, true)) {
+
+                        $reflectionClass = EcomDev_Utils_Reflection::getRelflection($className);
+                        if (!$reflectionClass->isSubclassOf('EcomDev_PHPUnit_Test_Case')) {
+                            continue;
+                        }
+
+                        $suite->addTest(new PHPUnit_Framework_TestSuite($reflectionClass), $currentGroups);
+                    }
+                }
+
+            }
+        }
+
+        if (!$suite->count()) {
+            $suite->addTest(self::warning('There were no test cases for the current run'));
+        }
+
+        return $suite;
+    }
+}

app/code/community/EcomDev/PHPUnit/etc/config.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+/**
+ * PHP Unit test suite for Magento
+ *
+ * NOTICE OF LICENSE
+ *
+ * This source file is subject to the Open Software License (OSL 3.0)
+ * that is bundled with this package in the file LICENSE.txt.
+ * It is also available through the world-wide-web at this URL:
+ * http://opensource.org/licenses/osl-3.0.php
+ *
+ * @category   EcomDev
+ * @package    EcomDev_PHPUnit
+ * @copyright  Copyright (c) 2011 Ecommerce Developers (http://www.ecomdev.org)
+ * @license    http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
+ * @author     Ivan Chepurnyi <ivan.chepurnyi@ecomdev.org>
+ */
+-->
+<config>
+    <modules>
+        <EcomDev_PHPUnit>
+            <version>0.1.0</version>
+        </EcomDev_PHPUnit>
+    </modules>
+    <global>
+        <models>
+            <ecomdev_phpunit>
+                <class>EcomDev_PHPUnit_Model</class>
+                <resourceModel>ecomdev_phpunit_mysql4</resourceModel>
+            </ecomdev_phpunit>
+            <ecomdev_phpunit_mysql4>
+                <class>EcomDev_PHPUnit_Model_Mysql4</class>
+            </ecomdev_phpunit_mysql4>
+        </models>
+    </global>
+    <phpunit>
+        <suite>
+            <!-- The names of directories inside Test for recognizion of tests per group -->
+            <groups>
+                <models>Model</models>
+                <helpers>Helper</helpers>
+                <blocks>Block</blocks>
+            </groups>
+            <!-- Application model class name for running tests -->
+            <app>EcomDev_PHPUnit_Model_App</app>
+            <modules>
+                <!-- Place your module name in your module config.xml 
+                     For adding it to test suite -->
+                <!-- Example: 
+                <Namespace_MyModule />
+                -->
+            </modules>
+        </suite>
+    </phpunit>
+</config>

app/etc/local.xml.phpunit

+<?xml version="1.0"?>
+<config>
+    <global>
+        <resources>
+            <default_setup>
+                <connection>
+                    <dbname><![CDATA[magento_unit_tests]]></dbname>
+                </connection>
+            </default_setup>
+        </resources>
+    </global>
+</config>

app/etc/modules/EcomDev_PHPUnit.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+/**
+ * PHP Unit test suite for Magento
+ *
+ * NOTICE OF LICENSE
+ *
+ * This source file is subject to the Open Software License (OSL 3.0)
+ * that is bundled with this package in the file LICENSE.txt.
+ * It is also available through the world-wide-web at this URL:
+ * http://opensource.org/licenses/osl-3.0.php
+ *
+ * @category   EcomDev
+ * @package    EcomDev_PHPUnit
+ * @copyright  Copyright (c) 2010 Ecommerce Developers (http://www.ecomdev.org)
+ * @license    http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
+ * @author     Ivan Chepurnyi <ivan.chepurnyi@ecomdev.org>
+ */
+-->
+<config>
+    <modules>
+        <EcomDev_PHPUnit>
+            <codePool>community</codePool>
+            <active>true</active>
+        </EcomDev_PHPUnit>
+    </modules>
+</config>
\ No newline at end of file

lib/EcomDev/Utils/Reflection.php

+<?php
+
+class EcomDev_Utils_Reflection
+{
+    /**
+     * Cache of reflection objects
+     *
+     * @var array
+     */
+    protected static $_reflectionCache = array();
+
+    /**
+     * Sets protected or private property value
+     *
+     * @param string|object $object class name
+     * @param string $property
+     * @param mixed $value
+     */
+    public static function setRestrictedPropertyValue($object, $property, $value)
+    {
+        if (version_compare(PHP_VERSION, '5.3.0', '<')) {
+            throw new RuntimeException('For setting of restricted properties via Reflection, PHP version should be 5.3.0 or later');
+        }
+
+        $reflectionObject = self::getRelflection($object);
+        $reflectionProperty = $reflectionObject->getProperty($property);
+        $reflectionProperty->setAccessible(true);
+        $reflectionProperty->setValue((is_string($object) ? null : $object), $value);
+    }
+
+    /**
+     * Gets protected or private property value
+     *
+     * @param string|object $object class name
+     * @param string $property
+     * @return mixed
+     */
+    public static function getRestrictedPropertyValue($object, $property)
+    {
+        if (version_compare(PHP_VERSION, '5.3.0', '<')) {
+            throw new RuntimeException('For getting of restricted properties via Reflection, PHP version should be 5.3.0 or later');
+        }
+
+        $reflectionObject = self::getRelflection($object);
+        $reflectionProperty = $reflectionObject->getProperty($property);
+        $reflectionProperty->setAccessible(true);
+        return $reflectionProperty->getValue((is_string($object) ? null : $object));
+    }
+
+
+    /**
+     * Calls private or protected method
+     *
+     * @param string|object $object
+     * @param string $method
+     * @param array $args
+     * @return mixed
+     */
+    public static function invokeRestrictedMethod($object, $method, $args = array())
+    {
+        if (version_compare(PHP_VERSION, '5.3.2', '<')) {
+            throw new RuntimeException('For invoking restricted methods via Reflection, PHP version should be 5.3.2 or later');
+        }
+
+        $reflectionObject = self::getRelflection($object);
+        $reflectionMethod = $reflectionObject->getMethod($method);
+        $reflectionMethod->setAccessible(true);
+
+        if (!empty($args)) {
+            return $reflectionMethod->invokeArgs($reflectionObject, $args);
+        }
+
+        return $reflectionMethod->invoke((is_string($object) ? null : $object));
+    }
+
+    /**
+     * Returns reflection object from instance or class name
+     *
+     * @param string|object $object
+     * @return ReflectionClass|ReflectionObject
+     */
+    public static function getRelflection($object)
+    {
+        // If object is a class name
+        if (is_string($object) && class_exists($object)) {
+            if (isset(self::$_reflectionCache[$object])) {
+                return self::$_reflectionCache[$object];
+            }
+            $reflection = new ReflectionClass($object);
+            self::$_reflectionCache[$object] = $reflection;
+            return $reflection;
+        }
+        // If object is an instance of a class
+        elseif (is_object($object)) {
+            $objectHash = spl_object_hash($object);
+            if (isset(self::$_reflectionCache[$objectHash])) {
+                return self::$_reflectionCache[$objectHash];
+            }
+            $reflection = new ReflectionClass($object);
+            self::$_reflectionCache[$objectHash] = $reflection;
+            return $reflection;
+        }
+        // In case of invalid argument
+        else {
+            throw new InvalidArgumentException('$object should be a valid class name or object instance');
+        }
+    }
+}
\ No newline at end of file

lib/Spyc/spyc.php

+<?php
+/**
+   * Spyc -- A Simple PHP YAML Class
+   * @version 0.4.5
+   * @author Vlad Andersen <vlad.andersen@gmail.com>
+   * @author Chris Wanstrath <chris@ozmm.org>
+   * @link http://code.google.com/p/spyc/
+   * @copyright Copyright 2005-2006 Chris Wanstrath, 2006-2009 Vlad Andersen
+   * @license http://www.opensource.org/licenses/mit-license.php MIT License
+   * @package Spyc
+   */
+
+if (!function_exists('spyc_load')) {
+  /**
+   * Parses YAML to array.
+   * @param string $string YAML string.
+   * @return array
+   */
+  function spyc_load ($string) {
+    return Spyc::YAMLLoadString($string);
+  }
+}
+
+if (!function_exists('spyc_load_file')) {
+  /**
+   * Parses YAML to array.
+   * @param string $file Path to YAML file.
+   * @return array
+   */
+  function spyc_load_file ($file) {
+    return Spyc::YAMLLoad($file);
+  }
+}
+
+/**
+   * The Simple PHP YAML Class.
+   *
+   * This class can be used to read a YAML file and convert its contents
+   * into a PHP array.  It currently supports a very limited subsection of
+   * the YAML spec.
+   *
+   * Usage:
+   * <code>
+   *   $Spyc  = new Spyc;
+   *   $array = $Spyc->load($file);
+   * </code>
+   * or:
+   * <code>
+   *   $array = Spyc::YAMLLoad($file);
+   * </code>
+   * or:
+   * <code>
+   *   $array = spyc_load_file($file);
+   * </code>
+   * @package Spyc
+   */
+class Spyc {
+
+  // SETTINGS
+
+  /**
+   * Setting this to true will force YAMLDump to enclose any string value in
+   * quotes.  False by default.
+   * 
+   * @var bool
+   */
+  public $setting_dump_force_quotes = false;
+
+  /**
+   * Setting this to true will forse YAMLLoad to use syck_load function when
+   * possible. False by default.
+   * @var bool
+   */
+  public $setting_use_syck_is_possible = false;
+
+
+
+  /**#@+
+  * @access private
+  * @var mixed
+  */
+  private $_dumpIndent;
+  private $_dumpWordWrap;
+  private $_containsGroupAnchor = false;
+  private $_containsGroupAlias = false;
+  private $path;
+  private $result;
+  private $LiteralPlaceHolder = '___YAML_Literal_Block___';
+  private $SavedGroups = array();
+  private $indent;
+  /**
+   * Path modifier that should be applied after adding current element.
+   * @var array
+   */
+  private $delayedPath = array();
+
+  /**#@+
+  * @access public
+  * @var mixed
+  */
+  public $_nodeId;
+
+/**
+ * Load a valid YAML string to Spyc.
+ * @param string $input
+ * @return array
+ */
+  public function load ($input) {
+    return $this->__loadString($input);
+  }
+
+ /**
+ * Load a valid YAML file to Spyc.
+ * @param string $file
+ * @return array
+ */
+  public function loadFile ($file) {
+    return $this->__load($file);
+  }
+
+  /**
+     * Load YAML into a PHP array statically
+     *
+     * The load method, when supplied with a YAML stream (string or file),
+     * will do its best to convert YAML in a file into a PHP array.  Pretty
+     * simple.
+     *  Usage:
+     *  <code>
+     *   $array = Spyc::YAMLLoad('lucky.yaml');
+     *   print_r($array);
+     *  </code>
+     * @access public
+     * @return array
+     * @param string $input Path of YAML file or string containing YAML
+     */
+  public static function YAMLLoad($input) {
+    $Spyc = new Spyc;
+    return $Spyc->__load($input);
+  }
+
+  /**
+     * Load a string of YAML into a PHP array statically
+     *
+     * The load method, when supplied with a YAML string, will do its best 
+     * to convert YAML in a string into a PHP array.  Pretty simple.
+     *
+     * Note: use this function if you don't want files from the file system
+     * loaded and processed as YAML.  This is of interest to people concerned
+     * about security whose input is from a string.
+     *
+     *  Usage:
+     *  <code>
+     *   $array = Spyc::YAMLLoadString("---\n0: hello world\n");
+     *   print_r($array);
+     *  </code>
+     * @access public
+     * @return array
+     * @param string $input String containing YAML
+     */
+  public static function YAMLLoadString($input) {
+    $Spyc = new Spyc;
+    return $Spyc->__loadString($input);
+  }
+
+  /**
+     * Dump YAML from PHP array statically
+     *
+     * The dump method, when supplied with an array, will do its best
+     * to convert the array into friendly YAML.  Pretty simple.  Feel free to
+     * save the returned string as nothing.yaml and pass it around.
+     *
+     * Oh, and you can decide how big the indent is and what the wordwrap
+     * for folding is.  Pretty cool -- just pass in 'false' for either if
+     * you want to use the default.
+     *
+     * Indent's default is 2 spaces, wordwrap's default is 40 characters.  And
+     * you can turn off wordwrap by passing in 0.
+     *
+     * @access public
+     * @return string
+     * @param array $array PHP array
+     * @param int $indent Pass in false to use the default, which is 2
+     * @param int $wordwrap Pass in 0 for no wordwrap, false for default (40)
+     */
+  public static function YAMLDump($array,$indent = false,$wordwrap = false) {
+    $spyc = new Spyc;
+    return $spyc->dump($array,$indent,$wordwrap);
+  }
+
+
+  /**
+     * Dump PHP array to YAML
+     *
+     * The dump method, when supplied with an array, will do its best
+     * to convert the array into friendly YAML.  Pretty simple.  Feel free to
+     * save the returned string as tasteful.yaml and pass it around.
+     *
+     * Oh, and you can decide how big the indent is and what the wordwrap
+     * for folding is.  Pretty cool -- just pass in 'false' for either if
+     * you want to use the default.
+     *
+     * Indent's default is 2 spaces, wordwrap's default is 40 characters.  And
+     * you can turn off wordwrap by passing in 0.
+     *
+     * @access public
+     * @return string
+     * @param array $array PHP array
+     * @param int $indent Pass in false to use the default, which is 2
+     * @param int $wordwrap Pass in 0 for no wordwrap, false for default (40)
+     */
+  public function dump($array,$indent = false,$wordwrap = false) {
+    // Dumps to some very clean YAML.  We'll have to add some more features
+    // and options soon.  And better support for folding.
+
+    // New features and options.
+    if ($indent === false or !is_numeric($indent)) {
+      $this->_dumpIndent = 2;
+    } else {
+      $this->_dumpIndent = $indent;
+    }
+
+    if ($wordwrap === false or !is_numeric($wordwrap)) {
+      $this->_dumpWordWrap = 40;
+    } else {
+      $this->_dumpWordWrap = $wordwrap;
+    }
+
+    // New YAML document
+    $string = "---\n";
+
+    // Start at the base of the array and move through it.
+    if ($array) {
+      $array = (array)$array;
+      $first_key = key($array);
+      
+      $previous_key = -1;
+      foreach ($array as $key => $value) {
+        $string .= $this->_yamlize($key,$value,0,$previous_key, $first_key);
+        $previous_key = $key;
+      }
+    }
+    return $string;
+  }
+
+  /**
+     * Attempts to convert a key / value array item to YAML
+     * @access private
+     * @return string
+     * @param $key The name of the key
+     * @param $value The value of the item
+     * @param $indent The indent of the current node
+     */
+  private function _yamlize($key,$value,$indent, $previous_key = -1, $first_key = 0) {
+    if (is_array($value)) {
+      if (empty ($value))
+        return $this->_dumpNode($key, array(), $indent, $previous_key, $first_key);
+      // It has children.  What to do?
+      // Make it the right kind of item
+      $string = $this->_dumpNode($key, NULL, $indent, $previous_key, $first_key);
+      // Add the indent
+      $indent += $this->_dumpIndent;
+      // Yamlize the array
+      $string .= $this->_yamlizeArray($value,$indent);
+    } elseif (!is_array($value)) {
+      // It doesn't have children.  Yip.
+      $string = $this->_dumpNode($key, $value, $indent, $previous_key, $first_key);
+    }
+    return $string;
+  }
+
+  /**
+     * Attempts to convert an array to YAML
+     * @access private
+     * @return string
+     * @param $array The array you want to convert
+     * @param $indent The indent of the current level
+     */
+  private function _yamlizeArray($array,$indent) {
+    if (is_array($array)) {
+      $string = '';
+      $previous_key = -1;
+      $first_key = key($array);
+      foreach ($array as $key => $value) {
+        $string .= $this->_yamlize($key, $value, $indent, $previous_key, $first_key);
+        $previous_key = $key;
+      }
+      return $string;
+    } else {
+      return false;
+    }
+  }
+
+  /**
+     * Returns YAML from a key and a value
+     * @access private
+     * @return string
+     * @param $key The name of the key
+     * @param $value The value of the item
+     * @param $indent The indent of the current node
+     */
+  private function _dumpNode($key, $value, $indent, $previous_key = -1, $first_key = 0) {
+    // do some folding here, for blocks
+    if (is_string ($value) && ((strpos($value,"\n") !== false || strpos($value,": ") !== false || strpos($value,"- ") !== false ||
+      strpos($value,"*") !== false || strpos($value,"#") !== false || strpos($value,"<") !== false || strpos($value,">") !== false ||
+      strpos($value,"[") !== false || strpos($value,"]") !== false || strpos($value,"{") !== false || strpos($value,"}") !== false) || substr ($value, -1, 1) == ':')) {
+      $value = $this->_doLiteralBlock($value,$indent);
+    } else {
+      $value  = $this->_doFolding($value,$indent);
+      if (is_bool($value)) {
+        $value = ($value) ? "true" : "false";
+      }
+    }
+
+    if ($value === array()) $value = '[ ]';
+
+    $spaces = str_repeat(' ',$indent);
+
+    if (is_int($key) && $key - 1 == $previous_key && $first_key===0) {
+      // It's a sequence
+      $string = $spaces.'- '.$value."\n";
+    } else {
+      if ($first_key===0)  throw new Exception('Keys are all screwy.  The first one was zero, now it\'s "'. $key .'"');
+      // It's mapped
+      if (strpos($key, ":") !== false) { $key = '"' . $key . '"'; }
+      $string = $spaces.$key.': '.$value."\n";
+    }
+    return $string;
+  }
+
+  /**
+     * Creates a literal block for dumping
+     * @access private
+     * @return string
+     * @param $value
+     * @param $indent int The value of the indent
+     */
+  private function _doLiteralBlock($value,$indent) {
+    if (strpos($value, "\n") === false && strpos($value, "'") === false) {
+      return sprintf ("'%s'", $value);
+    }
+    if (strpos($value, "\n") === false && strpos($value, '"') === false) {
+      return sprintf ('"%s"', $value);
+    }
+    $exploded = explode("\n",$value);
+    $newValue = '|';
+    $indent  += $this->_dumpIndent;
+    $spaces   = str_repeat(' ',$indent);
+    foreach ($exploded as $line) {
+      $newValue .= "\n" . $spaces . trim($line);
+    }
+    return $newValue;
+  }
+
+  /**
+     * Folds a string of text, if necessary
+     * @access private
+     * @return string
+     * @param $value The string you wish to fold
+     */
+  private function _doFolding($value,$indent) {
+    // Don't do anything if wordwrap is set to 0
+
+    if ($this->_dumpWordWrap !== 0 && is_string ($value) && strlen($value) > $this->_dumpWordWrap) {
+      $indent += $this->_dumpIndent;
+      $indent = str_repeat(' ',$indent);
+      $wrapped = wordwrap($value,$this->_dumpWordWrap,"\n$indent");
+      $value   = ">\n".$indent.$wrapped;
+    } else {
+      if ($this->setting_dump_force_quotes && is_string ($value))
+        $value = '"' . $value . '"';
+    }
+
+
+    return $value;
+  }
+
+// LOADING FUNCTIONS
+
+  private function __load($input) {
+    $Source = $this->loadFromSource($input);
+    return $this->loadWithSource($Source);
+  }
+
+  private function __loadString($input) {
+    $Source = $this->loadFromString($input);
+    return $this->loadWithSource($Source);
+  }
+
+  private function loadWithSource($Source) {
+    if (empty ($Source)) return array();
+    if ($this->setting_use_syck_is_possible && function_exists ('syck_load')) {
+      $array = syck_load (implode ('', $Source));
+      return is_array($array) ? $array : array();
+    }
+
+    $this->path = array();
+    $this->result = array();
+
+    $cnt = count($Source);
+    for ($i = 0; $i < $cnt; $i++) {
+      $line = $Source[$i];
+      
+      $this->indent = strlen($line) - strlen(ltrim($line));
+      $tempPath = $this->getParentPathByIndent($this->indent);
+      $line = self::stripIndent($line, $this->indent);
+      if (self::isComment($line)) continue;
+      if (self::isEmpty($line)) continue;
+      $this->path = $tempPath;
+
+      $literalBlockStyle = self::startsLiteralBlock($line);
+      if ($literalBlockStyle) {
+        $line = rtrim ($line, $literalBlockStyle . " \n");
+        $literalBlock = '';
+        $line .= $this->LiteralPlaceHolder;
+
+        while (++$i < $cnt && $this->literalBlockContinues($Source[$i], $this->indent)) {
+          $literalBlock = $this->addLiteralLine($literalBlock, $Source[$i], $literalBlockStyle);
+        }
+        $i--;
+      }
+
+      while (++$i < $cnt && self::greedilyNeedNextLine($line)) {
+        $line = rtrim ($line, " \n\t\r") . ' ' . ltrim ($Source[$i], " \t");
+      }
+      $i--;
+
+
+
+      if (strpos ($line, '#')) {
+        if (strpos ($line, '"') === false && strpos ($line, "'") === false)
+          $line = preg_replace('/\s+#(.+)$/','',$line);
+      }
+
+      $lineArray = $this->_parseLine($line);
+
+      if ($literalBlockStyle)
+        $lineArray = $this->revertLiteralPlaceHolder ($lineArray, $literalBlock);
+
+      $this->addArray($lineArray, $this->indent);
+
+      foreach ($this->delayedPath as $indent => $delayedPath)
+        $this->path[$indent] = $delayedPath;
+
+      $this->delayedPath = array();
+
+    }
+    return $this->result;
+  }
+
+  private function loadFromSource ($input) {
+    if (!empty($input) && strpos($input, "\n") === false && file_exists($input))
+    return file($input);
+
+    return $this->loadFromString($input);
+  }
+
+  private function loadFromString ($input) {
+    $lines = explode("\n",$input);
+    foreach ($lines as $k => $_) {
+      $lines[$k] = rtrim ($_, "\r");
+    }
+    return $lines;
+  }
+
+  /**
+     * Parses YAML code and returns an array for a node
+     * @access private
+     * @return array
+     * @param string $line A line from the YAML file
+     */
+  private function _parseLine($line) {
+    if (!$line) return array();
+    $line = trim($line);
+
+    if (!$line) return array();
+    $array = array();
+
+    $group = $this->nodeContainsGroup($line);
+    if ($group) {
+      $this->addGroup($line, $group);
+      $line = $this->stripGroup ($line, $group);
+    }
+
+    if ($this->startsMappedSequence($line))
+      return $this->returnMappedSequence($line);
+
+    if ($this->startsMappedValue($line))
+      return $this->returnMappedValue($line);
+
+    if ($this->isArrayElement($line))
+     return $this->returnArrayElement($line);
+
+    if ($this->isPlainArray($line))
+     return $this->returnPlainArray($line); 
+     
+     
+    return $this->returnKeyValuePair($line);
+
+  }
+
+  /**
+     * Finds the type of the passed value, returns the value as the new type.
+     * @access private
+     * @param string $value
+     * @return mixed
+     */
+  private function _toType($value) {
+    if ($value === '') return null;
+    $first_character = $value[0];
+    $last_character = substr($value, -1, 1);
+
+    $is_quoted = false;
+    do {
+      if (!$value) break;
+      if ($first_character != '"' && $first_character != "'") break;
+      if ($last_character != '"' && $last_character != "'") break;
+      $is_quoted = true;
+    } while (0);
+
+    if ($is_quoted)
+      return strtr(substr ($value, 1, -1), array ('\\"' => '"', '\'\'' => '\'', '\\\'' => '\''));
+    
+    if (strpos($value, ' #') !== false)
+      $value = preg_replace('/\s+#(.+)$/','',$value);
+
+    if ($first_character == '[' && $last_character == ']') {
+      // Take out strings sequences and mappings
+      $innerValue = trim(substr ($value, 1, -1));
+      if ($innerValue === '') return array();
+      $explode = $this->_inlineEscape($innerValue);
+      // Propagate value array
+      $value  = array();
+      foreach ($explode as $v) {
+        $value[] = $this->_toType($v);
+      }
+      return $value;
+    }
+
+    if (strpos($value,': ')!==false && $first_character != '{') {
+      $array = explode(': ',$value);
+      $key   = trim($array[0]);
+      array_shift($array);
+      $value = trim(implode(': ',$array));
+      $value = $this->_toType($value);
+      return array($key => $value);
+    }
+    
+    if ($first_character == '{' && $last_character == '}') {
+      $innerValue = trim(substr ($value, 1, -1));
+      if ($innerValue === '') return array();
+      // Inline Mapping
+      // Take out strings sequences and mappings
+      $explode = $this->_inlineEscape($innerValue);
+      // Propagate value array
+      $array = array();
+      foreach ($explode as $v) {
+        $SubArr = $this->_toType($v);
+        if (empty($SubArr)) continue;
+        if (is_array ($SubArr)) {
+          $array[key($SubArr)] = $SubArr[key($SubArr)]; continue;
+        }
+        $array[] = $SubArr;
+      }
+      return $array;
+    }
+
+    if ($value == 'null' || $value == 'NULL' || $value == 'Null' || $value == '' || $value == '~') {
+      return null;
+    }
+
+    if (intval($first_character) > 0 && preg_match ('/^[1-9]+[0-9]*$/', $value)) {
+      $intvalue = (int)$value;
+      if ($intvalue != PHP_INT_MAX)
+        $value = $intvalue;
+      return $value;
+    }
+
+    if (in_array($value,
+                 array('true', 'on', '+', 'yes', 'y', 'True', 'TRUE', 'On', 'ON', 'YES', 'Yes', 'Y'))) {
+      return true;
+    }
+
+    if (in_array(strtolower($value),
+                 array('false', 'off', '-', 'no', 'n'))) {
+      return false;
+    }
+
+    if (is_numeric($value)) {
+      if ($value === '0') return 0;
+      if (trim ($value, 0) === $value)
+        $value = (float)$value;
+      return $value;
+    }
+    
+    return $value;
+  }
+
+  /**
+     * Used in inlines to check for more inlines or quoted strings
+     * @access private
+     * @return array
+     */
+  private function _inlineEscape($inline) {
+    // There's gotta be a cleaner way to do this...
+    // While pure sequences seem to be nesting just fine,
+    // pure mappings and mappings with sequences inside can't go very
+    // deep.  This needs to be fixed.
+
+    $seqs = array();
+    $maps = array();
+    $saved_strings = array();
+
+    // Check for strings
+    $regex = '/(?:(")|(?:\'))((?(1)[^"]+|[^\']+))(?(1)"|\')/';
+    if (preg_match_all($regex,$inline,$strings)) {
+      $saved_strings = $strings[0];
+      $inline  = preg_replace($regex,'YAMLString',$inline);
+    }
+    unset($regex);
+
+    $i = 0;
+    do {
+
+    // Check for sequences
+    while (preg_match('/\[([^{}\[\]]+)\]/U',$inline,$matchseqs)) {
+      $seqs[] = $matchseqs[0];
+      $inline = preg_replace('/\[([^{}\[\]]+)\]/U', ('YAMLSeq' . (count($seqs) - 1) . 's'), $inline, 1);
+    }
+
+    // Check for mappings
+    while (preg_match('/{([^\[\]{}]+)}/U',$inline,$matchmaps)) {
+      $maps[] = $matchmaps[0];
+      $inline = preg_replace('/{([^\[\]{}]+)}/U', ('YAMLMap' . (count($maps) - 1) . 's'), $inline, 1);
+    }
+
+    if ($i++ >= 10) break;
+
+    } while (strpos ($inline, '[') !== false || strpos ($inline, '{') !== false);
+
+    $explode = explode(', ',$inline);
+    $stringi = 0; $i = 0;
+
+    while (1) {
+
+    // Re-add the sequences
+    if (!empty($seqs)) {
+      foreach ($explode as $key => $value) {
+        if (strpos($value,'YAMLSeq') !== false) {
+          foreach ($seqs as $seqk => $seq) {
+            $explode[$key] = str_replace(('YAMLSeq'.$seqk.'s'),$seq,$value);
+            $value = $explode[$key];
+          }
+        }
+      }
+    }
+
+    // Re-add the mappings
+    if (!empty($maps)) {
+      foreach ($explode as $key => $value) {
+        if (strpos($value,'YAMLMap') !== false) {
+          foreach ($maps as $mapk => $map) {
+            $explode[$key] = str_replace(('YAMLMap'.$mapk.'s'), $map, $value);
+            $value = $explode[$key];
+          }
+        }
+      }
+    }
+
+
+    // Re-add the strings
+    if (!empty($saved_strings)) {
+      foreach ($explode as $key => $value) {
+        while (strpos($value,'YAMLString') !== false) {
+          $explode[$key] = preg_replace('/YAMLString/',$saved_strings[$stringi],$value, 1);
+          unset($saved_strings[$stringi]);
+          ++$stringi;
+          $value = $explode[$key];
+        }
+      }
+    }
+
+    $finished = true;
+    foreach ($explode as $key => $value) {
+      if (strpos($value,'YAMLSeq') !== false) {
+        $finished = false; break;
+      }
+      if (strpos($value,'YAMLMap') !== false) {
+        $finished = false; break;
+      }
+      if (strpos($value,'YAMLString') !== false) {
+        $finished = false; break;
+      }
+    }
+    if ($finished) break;
+
+    $i++;
+    if ($i > 10) 
+      break; // Prevent infinite loops.
+    }
+
+    return $explode;
+  }
+
+  private function literalBlockContinues ($line, $lineIndent) {
+    if (!trim($line)) return true;
+    if (strlen($line) - strlen(ltrim($line)) > $lineIndent) return true;
+    return false;
+  }
+
+  private function referenceContentsByAlias ($alias) {
+    do {
+      if (!isset($this->SavedGroups[$alias])) { echo "Bad group name: $alias."; break; }
+      $groupPath = $this->SavedGroups[$alias];
+      $value = $this->result;
+      foreach ($groupPath as $k) {
+        $value = $value[$k];
+      }
+    } while (false);
+    return $value;
+  }
+
+  private function addArrayInline ($array, $indent) {
+      $CommonGroupPath = $this->path;
+      if (empty ($array)) return false;
+      
+      foreach ($array as $k => $_) {
+        $this->addArray(array($k => $_), $indent);
+        $this->path = $CommonGroupPath;
+      }
+      return true;
+  }
+
+  private function addArray ($incoming_data, $incoming_indent) {
+
+   // print_r ($incoming_data);
+
+    if (count ($incoming_data) > 1)
+      return $this->addArrayInline ($incoming_data, $incoming_indent);
+    
+    $key = key ($incoming_data);
+    $value = isset($incoming_data[$key]) ? $incoming_data[$key] : null;
+    if ($key === '__!YAMLZero') $key = '0';
+
+    if ($incoming_indent == 0 && !$this->_containsGroupAlias && !$this->_containsGroupAnchor) { // Shortcut for root-level values.
+      if ($key || $key === '' || $key === '0') {
+        $this->result[$key] = $value;
+      } else {
+        $this->result[] = $value; end ($this->result); $key = key ($this->result);
+      }
+      $this->path[$incoming_indent] = $key;
+      return;
+    }
+
+
+    
+    $history = array();
+    // Unfolding inner array tree.
+    $history[] = $_arr = $this->result;
+    foreach ($this->path as $k) {
+      $history[] = $_arr = $_arr[$k];
+    }
+
+    if ($this->_containsGroupAlias) {
+      $value = $this->referenceContentsByAlias($this->_containsGroupAlias);
+      $this->_containsGroupAlias = false;
+    }
+
+
+    // Adding string or numeric key to the innermost level or $this->arr.
+    if (is_string($key) && $key == '<<') {
+      if (!is_array ($_arr)) { $_arr = array (); }
+
+      $_arr = array_merge ($_arr, $value);
+    } else if ($key || $key === '' || $key === '0') {
+      $_arr[$key] = $value;
+    } else {
+      if (!is_array ($_arr)) { $_arr = array ($value); $key = 0; }
+      else { $_arr[] = $value; end ($_arr); $key = key ($_arr); }
+    }
+
+    $reverse_path = array_reverse($this->path);
+    $reverse_history = array_reverse ($history);
+    $reverse_history[0] = $_arr;
+    $cnt = count($reverse_history) - 1;
+    for ($i = 0; $i < $cnt; $i++) {
+      $reverse_history[$i+1][$reverse_path[$i]] = $reverse_history[$i];
+    }
+    $this->result = $reverse_history[$cnt];
+
+    $this->path[$incoming_indent] = $key;
+
+    if ($this->_containsGroupAnchor) {
+      $this->SavedGroups[$this->_containsGroupAnchor] = $this->path;
+      if (is_array ($value)) {
+        $k = key ($value);
+        if (!is_int ($k)) {
+          $this->SavedGroups[$this->_containsGroupAnchor][$incoming_indent + 2] = $k;
+        }
+      }
+      $this->_containsGroupAnchor = false;
+    }
+
+  }
+
+  private static function startsLiteralBlock ($line) {
+    $lastChar = substr (trim($line), -1);
+    if ($lastChar != '>' && $lastChar != '|') return false;
+    if ($lastChar == '|') return $lastChar;
+    // HTML tags should not be counted as literal blocks.
+    if (preg_match ('#<.*?>$#', $line)) return false;
+    return $lastChar;
+  }
+
+  private static function greedilyNeedNextLine($line) {
+    $line = trim ($line);
+    if (!strlen($line)) return false;
+    if (substr ($line, -1, 1) == ']') return false;
+    if ($line[0] == '[') return true;
+    if (preg_match ('#^[^:]+?:\s*\[#', $line)) return true;
+    return false;
+  }
+
+  private function addLiteralLine ($literalBlock, $line, $literalBlockStyle) {
+    $line = self::stripIndent($line);
+    $line = rtrim ($line, "\r\n\t ") . "\n";
+    if ($literalBlockStyle == '|') {
+      return $literalBlock . $line;
+    }
+    if (strlen($line) == 0)
+      return rtrim($literalBlock, ' ') . "\n";
+    if ($line == "\n" && $literalBlockStyle == '>') {
+      return rtrim ($literalBlock, " \t") . "\n";
+    }
+    if ($line != "\n")
+      $line = trim ($line, "\r\n ") . " ";
+    return $literalBlock . $line;
+  }
+
+   function revertLiteralPlaceHolder ($lineArray, $literalBlock) {
+     foreach ($lineArray as $k => $_) {
+      if (is_array($_))
+        $lineArray[$k] = $this->revertLiteralPlaceHolder ($_, $literalBlock);
+      else if (substr($_, -1 * strlen ($this->LiteralPlaceHolder)) == $this->LiteralPlaceHolder)
+	       $lineArray[$k] = rtrim ($literalBlock, " \r\n");
+     }
+     return $lineArray;
+   }
+
+  private static function stripIndent ($line, $indent = -1) {
+    if ($indent == -1) $indent = strlen($line) - strlen(ltrim($line));
+    return substr ($line, $indent);
+  }
+
+  private function getParentPathByIndent ($indent) {
+    if ($indent == 0) return array();
+    $linePath = $this->path;
+    do {
+      end($linePath); $lastIndentInParentPath = key($linePath);
+      if ($indent <= $lastIndentInParentPath) array_pop ($linePath);
+    } while ($indent <= $lastIndentInParentPath);
+    return $linePath;
+  }
+
+
+  private function clearBiggerPathValues ($indent) {
+
+
+    if ($indent == 0) $this->path = array();
+    if (empty ($this->path)) return true;
+
+    foreach ($this->path as $k => $_) {
+      if ($k > $indent) unset ($this->path[$k]);
+    }
+
+    return true;
+  }
+
+
+  private static function isComment ($line) {
+    if (!$line) return false;
+    if ($line[0] == '#') return true;
+    if (trim($line, " \r\n\t") == '---') return true;
+    return false;
+  }
+
+  private static function isEmpty ($line) {
+    return (trim ($line) === '');
+  }
+
+
+  private function isArrayElement ($line) {
+    if (!$line) return false;
+    if ($line[0] != '-') return false;
+    if (strlen ($line) > 3)
+      if (substr($line,0,3) == '---') return false;
+    
+    return true;
+  }
+
+  private function isHashElement ($line) {
+    return strpos($line, ':');
+  }
+
+  private function isLiteral ($line) {
+    if ($this->isArrayElement($line)) return false;
+    if ($this->isHashElement($line)) return false;
+    return true;
+  }
+
+
+  private static function unquote ($value) {
+    if (!$value) return $value;
+    if (!is_string($value)) return $value;
+    if ($value[0] == '\'') return trim ($value, '\'');
+    if ($value[0] == '"') return trim ($value, '"');
+    return $value;
+  }
+
+  private function startsMappedSequence ($line) {
+    return ($line[0] == '-' && substr ($line, -1, 1) == ':');
+  }
+
+  private function returnMappedSequence ($line) {
+    $array = array();
+    $key         = self::unquote(trim(substr($line,1,-1)));
+    $array[$key] = array();
+    $this->delayedPath = array(strpos ($line, $key) + $this->indent => $key);
+    return array($array);
+  }
+
+  private function returnMappedValue ($line) {
+    $array = array();
+    $key         = self::unquote (trim(substr($line,0,-1)));
+    $array[$key] = '';
+    return $array;
+  }
+
+  private function startsMappedValue ($line) {
+    return (substr ($line, -1, 1) == ':');
+  }
+  
+  private function isPlainArray ($line) {
+    return ($line[0] == '[' && substr ($line, -1, 1) == ']');
+  }
+  
+  private function returnPlainArray ($line) {
+    return $this->_toType($line); 
+  }  
+
+  private function returnKeyValuePair ($line) {
+    $array = array();
+    $key = '';
+    if (strpos ($line, ':')) {
+      // It's a key/value pair most likely
+      // If the key is in double quotes pull it out
+      if (($line[0] == '"' || $line[0] == "'") && preg_match('/^(["\'](.*)["\'](\s)*:)/',$line,$matches)) {
+        $value = trim(str_replace($matches[1],'',$line));
+        $key   = $matches[2];
+      } else {
+        // Do some guesswork as to the key and the value
+        $explode = explode(':',$line);
+        $key     = trim($explode[0]);
+        array_shift($explode);
+        $value   = trim(implode(':',$explode));
+      }
+      // Set the type of the value.  Int, string, etc
+      $value = $this->_toType($value);
+      if ($key === '0') $key = '__!YAMLZero';
+      $array[$key] = $value;
+    } else {
+      $array = array ($line);
+    }
+    return $array;
+
+  }
+
+
+  private function returnArrayElement ($line) {
+     if (strlen($line) <= 1) return array(array()); // Weird %)
+     $array = array();
+     $value   = trim(substr($line,1));
+     $value   = $this->_toType($value);
+     $array[] = $value;
+     return $array;
+  }
+
+
+  private function nodeContainsGroup ($line) {    
+    $symbolsForReference = 'A-z0-9_\-';
+    if (strpos($line, '&') === false && strpos($line, '*') === false) return false; // Please die fast ;-)
+    if ($line[0] == '&' && preg_match('/^(&['.$symbolsForReference.']+)/', $line, $matches)) return $matches[1];
+    if ($line[0] == '*' && preg_match('/^(\*['.$symbolsForReference.']+)/', $line, $matches)) return $matches[1];
+    if (preg_match('/(&['.$symbolsForReference.']+)$/', $line, $matches)) return $matches[1];
+    if (preg_match('/(\*['.$symbolsForReference.']+$)/', $line, $matches)) return $matches[1];
+    if (preg_match ('#^\s*<<\s*:\s*(\*[^\s]+).*$#', $line, $matches)) return $matches[1];
+    return false;
+
+  }
+
+  private function addGroup ($line, $group) {
+    if ($group[0] == '&') $this->_containsGroupAnchor = substr ($group, 1);
+    if ($group[0] == '*') $this->_containsGroupAlias = substr ($group, 1);
+    //print_r ($this->path);
+  }
+
+  private function stripGroup ($line, $group) {
+    $line = trim(str_replace($group, '', $line));
+    return $line;
+  }
+}
+
+// Enable use of Spyc from command line
+// The syntax is the following: php spyc.php spyc.yaml
+
+define ('SPYC_FROM_COMMAND_LINE', false);
+
+do {
+  if (!SPYC_FROM_COMMAND_LINE) break;
+  if (empty ($_SERVER['argc']) || $_SERVER['argc'] < 2) break;
+  if (empty ($_SERVER['PHP_SELF']) || $_SERVER['PHP_SELF'] != 'spyc.php') break;
+  $file = $argv[1];
+  printf ("Spyc loading file: %s\n", $file);
+  print_r (spyc_load_file ($file));
+} while (0);
\ No newline at end of file