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|
<?php
/**
* ownCloud - News
*
* This file is licensed under the Affero General Public License version 3 or
* later. See the COPYING file.
*
* @author Alessandro Cosentino <cosenal@gmail.com>
* @author Bernhard Posselt <dev@bernhard-posselt.com>
* @copyright Alessandro Cosentino 2012
* @copyright Bernhard Posselt 2012, 2014
*/
namespace OCA\News\Utility;
use OCA\News\Core\Db;
/**
* Simple utility class for testing mappers
*/
abstract class MapperTestUtility extends \PHPUnit_Framework_TestCase {
protected $db;
private $query;
private $pdoResult;
private $queryAt;
private $prepareAt;
private $fetchAt;
private $iterators;
/**
* Run this function before the actual test to either set or initialize the
* db. After this the db can be accessed by using $this->db
*/
protected function beforeEach(){
$this->db = $this->getMockBuilder(
'\OCA\News\Core\Db')
->disableOriginalConstructor()
->getMock();
$this->query = $this->getMock('Query', array('execute', 'bindValue'));
$this->pdoResult = $this->getMock('Result', array('fetch'));
$this->queryAt = 0;
$this->prepareAt = 0;
$this->iterators = array();
$this->fetchAt = 0;
}
/**
* Create mocks and set expected results for database queries
* @param string $sql the sql query that you expect to receive
* @param array $arguments the expected arguments for the prepare query
* method
* @param array $returnRows the rows that should be returned for the result
* of the database query. If not provided, it wont be assumed that fetchRow
* will be called on the result
*/
protected function setMapperResult($sql, $arguments=array(), $returnRows=array(),
$limit=null, $offset=null){
$this->iterators[] = new ArgumentIterator($returnRows);
$iterators = $this->iterators;
$fetchAt = $this->fetchAt;
$this->pdoResult->expects($this->any())
->method('fetch')
->will($this->returnCallback(
function() use ($iterators, $fetchAt){
$iterator = $iterators[$fetchAt];
$result = $iterator->next();
if($result === false) {
$fetchAt++;
}
return $result;
}
));
$index = 1;
foreach($arguments as $argument) {
switch (gettype($argument)) {
case 'integer':
$pdoConstant = \PDO::PARAM_INT;
break;
case 'NULL':
$pdoConstant = \PDO::PARAM_NULL;
break;
case 'boolean':
$pdoConstant = \PDO::PARAM_BOOL;
break;
default:
$pdoConstant = \PDO::PARAM_STR;
break;
}
$this->query->expects($this->at($this->queryAt))
->method('bindValue')
->with($this->equalTo($index),
$this->equalTo($argument),
$this->equalTo($pdoConstant));
$index++;
$this->queryAt++;
}
$this->query->expects($this->at($this->queryAt))
->method('execute')
->with()
->will($this->returnValue($this->pdoResult));
$this->queryAt++;
if($limit === null && $offset === null) {
$this->db->expects($this->at($this->prepareAt))
->method('prepareQuery')
->with($this->equalTo($sql))
->will(($this->returnValue($this->query)));
} elseif($limit !== null && $offset === null) {
$this->db->expects($this->at($this->prepareAt))
->method('prepareQuery')
->with($this->equalTo($sql), $this->equalTo($limit))
->will(($this->returnValue($this->query)));
} elseif($limit === null && $offset !== null) {
$this->db->expects($this->at($this->prepareAt))
->method('prepareQuery')
->with($this->equalTo($sql),
$this->equalTo(null),
$this->equalTo($offset))
->will(($this->returnValue($this->query)));
} else {
$this->db->expects($this->at($this->prepareAt))
->method('prepareQuery')
->with($this->equalTo($sql),
$this->equalTo($limit),
$this->equalTo($offset))
->will(($this->returnValue($this->query)));
}
$this->prepareAt++;
$this->fetchAt++;
}
}
class ArgumentIterator {
private $arguments;
public function __construct($arguments){
$this->arguments = $arguments;
}
public function next(){
$result = array_shift($this->arguments);
if($result === null){
return false;
} else {
return $result;
}
}
}
|
