<?php
/*
 +--------------------------------------------------------------------+
 | CiviCRM version 4.6                                                |
 +--------------------------------------------------------------------+
 | Copyright CiviCRM LLC (c) 2004-2014                                |
 +--------------------------------------------------------------------+
 | This file is a part of CiviCRM.                                    |
 |                                                                    |
 | CiviCRM is free software; you can copy, modify, and distribute it  |
 | under the terms of the GNU Affero General Public License           |
 | Version 3, 19 November 2007 and the CiviCRM Licensing Exception.   |
 |                                                                    |
 | CiviCRM is distributed in the hope that it will be useful, but     |
 | WITHOUT ANY WARRANTY; without even the implied warranty of         |
 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.               |
 | See the GNU Affero General Public License for more details.        |
 |                                                                    |
 | You should have received a copy of the GNU Affero General Public   |
 | License and the CiviCRM Licensing Exception along                  |
 | with this program; if not, contact CiviCRM LLC                     |
 | at info[AT]civicrm[DOT]org. If you have questions about the        |
 | GNU Affero General Public License or the licensing of CiviCRM,     |
 | see the CiviCRM license FAQ at http://civicrm.org/licensing        |
 +--------------------------------------------------------------------+
 */

/**
 *
 * @package CRM
 * @copyright CiviCRM LLC (c) 2004-2014
 * $Id$
 *
 */
class CiviDBAssert {

  /**
   * Generic function to compare expected values after an api call to retrieved
   * DB values.
   *
   * @daoName  string   DAO Name of object we're evaluating.
   * @id       int      Id of object
   * @match    array    Associative array of field name => expected value. Empty if asserting
   *                      that a DELETE occurred
   * @delete   boolean  True if we're checking that a DELETE action occurred.
   * @param $testCase
   * @param $daoName
   * @param $id
   * @param $match
   * @param bool $delete
   */
  public function assertDBState(&$testCase, $daoName, $id, $match, $delete = FALSE) {
    if (empty($id)) {
      // adding this here since developers forget to check for an id
      // and hence we get the first value in the db
      $testCase->fail('ID not populated. Please fix your assertDBState usage!!!');
    }

    $object = new $daoName();
    $object->id = $id;
    $verifiedCount = 0;

    // If we're asserting successful record deletion, make sure object is NOT found.
    if ($delete) {
      if ($object->find(TRUE)) {
        $testCase->fail("Object not deleted by delete operation: $daoName, $id");
      }
      return;
    }

    // Otherwise check matches of DAO field values against expected values in $match.
    if ($object->find(TRUE)) {
      $fields = &$object->fields();
      foreach ($fields as $name => $value) {
        $dbName = $value['name'];
        if (isset($match[$name])) {
          $verifiedCount++;
          $testCase->assertEquals($object->$dbName, $match[$name]);
        }
        elseif (isset($match[$dbName])) {
          $verifiedCount++;
          $testCase->assertEquals($object->$dbName, $match[$dbName]);
        }
      }
    }
    else {
      $testCase->fail("Could not retrieve object: $daoName, $id");
    }
    $object->free();
    $matchSize = count($match);
    if ($verifiedCount != $matchSize) {
      $testCase->fail("Did not verify all fields in match array: $daoName, $id. Verified count = $verifiedCount. Match array size = $matchSize");
    }
  }

  /**
   * Request a record from the DB by seachColumn+searchValue. Success if a record is found.
   * @param $testCase
   * @param $daoName
   * @param $searchValue
   * @param $returnColumn
   * @param $searchColumn
   * @param $message
   * @return null|string
   */
  public function assertDBNotNull(&$testCase, $daoName, $searchValue, $returnColumn, $searchColumn, $message) {
    if (empty($searchValue)) {
      $testCase->fail("empty value passed to assertDBNotNull");
    }
    $value = CRM_Core_DAO::getFieldValue($daoName, $searchValue, $returnColumn, $searchColumn);
    $testCase->assertNotNull($value, $message);

    return $value;
  }

  /**
   * Request a record from the DB by seachColumn+searchValue. Success if returnColumn value is NULL.
   * @param $testCase
   * @param $daoName
   * @param $searchValue
   * @param $returnColumn
   * @param $searchColumn
   * @param $message
   */
  public function assertDBNull(&$testCase, $daoName, $searchValue, $returnColumn, $searchColumn, $message) {
    $value = CRM_Core_DAO::getFieldValue($daoName, $searchValue, $returnColumn, $searchColumn);
    $testCase->assertNull($value, $message);
  }

  /**
   * Request a record from the DB by id. Success if row not found.
   * @param $testCase
   * @param $daoName
   * @param $id
   * @param $message
   */
  public function assertDBRowNotExist(&$testCase, $daoName, $id, $message) {
    $value = CRM_Core_DAO::getFieldValue($daoName, $id, 'id', 'id');
    $testCase->assertNull($value, $message);
  }

  /**
   * Compare a single column value in a retrieved DB record to an expected value
   *
   * @param $testCase
   * @param string $daoName
   * @param $searchValue
   * @param $returnColumn
   * @param $searchColumn
   * @param $expectedValue
   * @param string $message
   */
  public function assertDBCompareValue(
    &$testCase, $daoName, $searchValue, $returnColumn, $searchColumn,
    $expectedValue, $message
  ) {
    $value = CRM_Core_DAO::getFieldValue($daoName, $searchValue, $returnColumn, $searchColumn);
    $testCase->assertEquals($value, $expectedValue, $message);
  }

  /**
   * Compare all values in a single retrieved DB record to an array of expected values
   * @param $testCase
   * @param $daoName
   * @param $searchParams
   * @param $expectedValues
   */
  public function assertDBCompareValues(&$testCase, $daoName, $searchParams, $expectedValues) {
    //get the values from db
    $dbValues = array();
    CRM_Core_DAO::commonRetrieve($daoName, $searchParams, $dbValues);

    // compare db values with expected values
    self::assertAttributesEquals($testCase, $expectedValues, $dbValues);
  }

  /**
   * @param $testCase
   * @param $expectedValues
   * @param $actualValues
   */
  public function assertAttributesEquals(&$testCase, &$expectedValues, &$actualValues) {
    foreach ($expectedValues as $paramName => $paramValue) {
      if (isset($actualValues[$paramName])) {
        $testCase->assertEquals($paramValue, $actualValues[$paramName]);
      }
      else {
        $testCase->fail("Attribute '$paramName' not present in actual array.");
      }
    }
  }

}