<?php
/**
 * PHPUnit
 *
 * Copyright (c) 2002-2008, Sebastian Bergmann <sb@sebastian-bergmann.de>.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *   * Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *
 *   * Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in
 *     the documentation and/or other materials provided with the
 *     distribution.
 *
 *   * Neither the name of Sebastian Bergmann nor the names of his
 *     contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 * @category   Testing
 * @package    PHPUnit
 * @author     Mike Lively <m@digitalsandwich.com>
 * @copyright  2002-2008 Sebastian Bergmann <sb@sebastian-bergmann.de>
 * @license    http://www.opensource.org/licenses/bsd-license.php  BSD License
 * @version    SVN: $Id: TestCase.php 1985 2007-12-26 18:11:55Z sb $
 * @link       http://www.phpunit.de/
 * @since      File available since Release 3.2.0
 */

require_once 'PHPUnit/Framework.php';
require_once 'PHPUnit/Util/Filter.php';

require_once 'PHPUnit/Extensions/Database/DefaultTester.php';
require_once 'PHPUnit/Extensions/Database/DB/DefaultDatabaseConnection.php';
require_once 'PHPUnit/Extensions/Database/Operation/Factory.php';
require_once 'PHPUnit/Extensions/Database/Constraint/TableIsEqual.php';
require_once 'PHPUnit/Extensions/Database/Constraint/DataSetIsEqual.php';

PHPUnit_Util_Filter::addFileToFilter(__FILE__, 'PHPUNIT');

/**
 * A TestCase extension that provides functionality for testing and asserting 
 * against a real database.
 *
 * @category   Testing
 * @package    PHPUnit
 * @author     Mike Lively <m@digitalsandwich.com>
 * @copyright  2008 Mike Lively <m@digitalsandwich.com>
 * @license    http://www.opensource.org/licenses/bsd-license.php  BSD License
 * @version    Release: 3.2.9
 * @link       http://www.phpunit.de/
 * @since      Class available since Release 3.2.0
 */
abstract class PHPUnit_Extensions_Database_TestCase extends PHPUnit_Framework_TestCase {
  
  /**
   * @var PHPUnit_Extensions_Database_ITester
   */
  protected $databaseTester;

  /**
   * Closes the specified connection.
   *
   * @param PHPUnit_Extensions_Database_DB_IDatabaseConnection $connection
   */
  protected function closeConnection(PHPUnit_Extensions_Database_DB_IDatabaseConnection $connection) {
    $this->getDatabaseTester()->closeConnection($connection);
  }

  /**
   * Returns the test database connection.
   *
   * @return PHPUnit_Extensions_Database_DB_IDatabaseConnection
   */
  protected abstract function getConnection();

  /**
   * Gets the IDatabaseTester for this testCase. If the IDatabaseTester is 
   * not set yet, this method calls newDatabaseTester() to obtain a new 
   * instance.
   *
   * @return PHPUnit_Extensions_Database_ITester
   */
  protected function getDatabaseTester() {
    if (empty($this->databaseTester)) {
      $this->databaseTester = $this->newDatabaseTester();
    }
    
    return $this->databaseTester;
  }

  /**
   * Returns the test dataset.
   *
   * @return PHPUnit_Extensions_Database_DataSet_IDataSet
   */
  protected abstract function getDataSet();

  /**
   * Returns the database operation executed in test setup.
   *
   * @return PHPUnit_Extensions_Database_Operation_DatabaseOperation
   */
  protected function getSetUpOperation() {
    return PHPUnit_Extensions_Database_Operation_Factory::CLEAN_INSERT();
  }

  /**
   * Returns the database operation executed in test cleanup.
   *
   * @return PHPUnit_Extensions_Database_Operation_DatabaseOperation
   */
  protected function getTearDownOperation() {
    return PHPUnit_Extensions_Database_Operation_Factory::NONE();
  }

  /**
   * Creates a IDatabaseTester for this testCase.
   *
   * @return PHPUnit_Extensions_Database_ITester
   */
  protected function newDatabaseTester() {
    return new PHPUnit_Extensions_Database_DefaultTester($this->getConnection());
  }

  /**
   * Creates a new DefaultDatabaseConnection using the given PDO connection 
   * and database schema name.
   *
   * @param PDO $connection
   * @param string $schema
   * @return PHPUnit_Extensions_Database_DB_DefaultDatabaseConnection
   */
  protected function createDefaultDBConnection(PDO $connection, $schema) {
    return new PHPUnit_Extensions_Database_DB_DefaultDatabaseConnection($connection, $schema);
  }

  /**
   * Creates a new FlatXmlDataSet with the given $xmlFile. (absolute path.)
   *
   * @param string $xmlFile
   * @return PHPUnit_Extensions_Database_DataSet_FlatXmlDataSet
   */
  protected function createFlatXMLDataSet($xmlFile) {
    require_once 'PHPUnit/Extensions/Database/DataSet/FlatXmlDataSet.php';
    return new PHPUnit_Extensions_Database_DataSet_FlatXmlDataSet($xmlFile);
  }

  /**
   * Creates a new XMLDataSet with the given $xmlFile. (absolute path.)
   *
   * @param string $xmlFile
   * @return PHPUnit_Extensions_Database_DataSet_XmlDataSet
   */
  protected function createXMLDataSet($xmlFile) {
    require_once 'PHPUnit/Extensions/Database/DataSet/XmlDataSet.php';
    return new PHPUnit_Extensions_Database_DataSet_XmlDataSet($xmlFile);
  }

  /**
   * Returns an operation factory instance that can be used to instantiate 
   * new operations.
   *
   * @return PHPUnit_Extensions_Database_Operation_Factory
   */
  protected function getOperations() {
    require_once 'PHPUnit/Extensions/Database/Operation/Factory.php';
    return new PHPUnit_Extensions_Database_Operation_Factory();
  }

  /**
   * Performs operation returned by getSetUpOperation().
   */
  protected function setUp() {
    parent::setUp();
    
    $this->getDatabaseTester()->setSetUpOperation($this->getSetUpOperation());
    $this->getDatabaseTester()->setDataSet($this->getDataSet());
    $this->getDatabaseTester()->onSetUp();
  }

  /**
   * Performs operation returned by getSetUpOperation().
   */
  protected function tearDown() {
    $this->getDatabaseTester()->setTearDownOperation($this->getTearDownOperation());
    $this->getDatabaseTester()->setDataSet($this->getDataSet());
    $this->getDatabaseTester()->onTearDown();
  }

  /**
   * Asserts that two given tables are equal.
   *
   * @param PHPUnit_Extensions_Database_DataSet_ITable $expected
   * @param PHPUnit_Extensions_Database_DataSet_ITable $actual
   * @param string $message
   */
  public static function assertTablesEqual(PHPUnit_Extensions_Database_DataSet_ITable $expected, PHPUnit_Extensions_Database_DataSet_ITable $actual, $message = '') {
    $constraint = new PHPUnit_Extensions_Database_Constraint_TableIsEqual($expected);
    
    self::assertThat($actual, $constraint, $message);
  }

  /**
   * Asserts that two given datasets are equal.
   *
   * @param PHPUnit_Extensions_Database_DataSet_ITable $expected
   * @param PHPUnit_Extensions_Database_DataSet_ITable $actual
   * @param string $message
   */
  public static function assertDataSetsEqual(PHPUnit_Extensions_Database_DataSet_IDataSet $expected, PHPUnit_Extensions_Database_DataSet_IDataSet $actual, $message = '') {
    $constraint = new PHPUnit_Extensions_Database_Constraint_DataSetIsEqual($expected);
    
    self::assertThat($actual, $constraint, $message);
  }
}
?>