nextcloud/tests/lib/AppFramework/Db/MapperTestUtility.php

210 lines
5.2 KiB
PHP

<?php
/**
* ownCloud - App Framework
*
* @author Bernhard Posselt
* @copyright 2012 Bernhard Posselt dev@bernhard-posselt.com
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
* License as published by the Free Software Foundation; either
* version 3 of the License, or any later version.
*
* This library 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 along with this library. If not, see <http://www.gnu.org/licenses/>.
*
*/
namespace Test\AppFramework\Db;
/**
* Simple utility class for testing mappers
*/
abstract class MapperTestUtility extends \Test\TestCase {
protected $db;
private $query;
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 setUp(){
parent::setUp();
$this->db = $this->getMockBuilder(
'\OCP\IDBConnection')
->disableOriginalConstructor()
->getMock();
$this->query = $this->createMock('\PDOStatement');
$this->queryAt = 0;
$this->prepareAt = 0;
$this->iterators = [];
$this->fetchAt = 0;
}
/**
* Checks if an array is associative
* @param array $array
* @return bool true if associative
*/
private function isAssocArray(array $array) {
return array_values($array) !== $array;
}
/**
* Returns the correct PDO constant based on the value type
* @param $value
* @return int PDO constant
*/
private function getPDOType($value) {
switch (gettype($value)) {
case 'integer':
return \PDO::PARAM_INT;
case 'boolean':
return \PDO::PARAM_BOOL;
default:
return \PDO::PARAM_STR;
}
}
/**
* 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 $returnRows the rows that should be returned for the result
* of the database query. If not provided, it wont be assumed that fetch
* will be called on the result
*/
protected function setMapperResult($sql, $arguments=array(), $returnRows=array(),
$limit=null, $offset=null, $expectClose=false){
if($limit === null && $offset === null) {
$this->db->expects($this->at($this->prepareAt))
->method('prepare')
->with($this->equalTo($sql))
->will(($this->returnValue($this->query)));
} elseif($limit !== null && $offset === null) {
$this->db->expects($this->at($this->prepareAt))
->method('prepare')
->with($this->equalTo($sql), $this->equalTo($limit))
->will(($this->returnValue($this->query)));
} elseif($limit === null && $offset !== null) {
$this->db->expects($this->at($this->prepareAt))
->method('prepare')
->with($this->equalTo($sql),
$this->equalTo(null),
$this->equalTo($offset))
->will(($this->returnValue($this->query)));
} else {
$this->db->expects($this->at($this->prepareAt))
->method('prepare')
->with($this->equalTo($sql),
$this->equalTo($limit),
$this->equalTo($offset))
->will(($this->returnValue($this->query)));
}
$this->iterators[] = new ArgumentIterator($returnRows);
$iterators = $this->iterators;
$fetchAt = $this->fetchAt;
$this->query->expects($this->any())
->method('fetch')
->will($this->returnCallback(
function() use ($iterators, $fetchAt){
$iterator = $iterators[$fetchAt];
$result = $iterator->next();
if($result === false) {
$fetchAt++;
}
$this->queryAt++;
return $result;
}
));
if ($this->isAssocArray($arguments)) {
foreach($arguments as $key => $argument) {
$pdoConstant = $this->getPDOType($argument);
$this->query->expects($this->at($this->queryAt))
->method('bindValue')
->with($this->equalTo($key),
$this->equalTo($argument),
$this->equalTo($pdoConstant));
$this->queryAt++;
}
} else {
$index = 1;
foreach($arguments as $argument) {
$pdoConstant = $this->getPDOType($argument);
$this->query->expects($this->at($this->queryAt))
->method('bindValue')
->with($this->equalTo($index),
$this->equalTo($argument),
$this->equalTo($pdoConstant));
$index++;
$this->queryAt++;
}
}
$this->query->expects($this->at($this->queryAt))
->method('execute')
->will($this->returnCallback(function($sql, $p=null, $o=null, $s=null) {
}));
$this->queryAt++;
if ($expectClose) {
$closing = $this->at($this->queryAt);
} else {
$closing = $this->any();
}
$this->query->expects($closing)->method('closeCursor');
$this->queryAt++;
$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;
}
}
}