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<?php
/**
 * PaginatorComponentTest file
 *
 * Series of tests for paginator component.
 *
 * CakePHP(tm) Tests <http://book.cakephp.org/2.0/en/development/testing.html>
 * Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
 *
 * Licensed under The MIT License
 * For full copyright and license information, please see the LICENSE.txt
 * Redistributions of files must retain the above copyright notice
 *
 * @copyright     Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
 * @link          http://book.cakephp.org/2.0/en/development/testing.html CakePHP(tm) Tests
 * @package       Cake.Test.Case.Controller.Component
 * @since         CakePHP(tm) v 2.0
 * @license       http://www.opensource.org/licenses/mit-license.php MIT License
 */

App::uses('Controller', 'Controller');
App::uses('PaginatorComponent', 'Controller/Component');
App::uses('CakeRequest', 'Network');
App::uses('CakeResponse', 'Network');

/**
 * PaginatorTestController class
 *
 * @package       Cake.Test.Case.Controller.Component
 */
class PaginatorTestController extends Controller {

/**
 * components property
 *
 * @var array
 */
        public $components = array('Paginator');
}

/**
 * PaginatorControllerPost class
 *
 * @package       Cake.Test.Case.Controller.Component
 */
class PaginatorControllerPost extends CakeTestModel {

/**
 * useTable property
 *
 * @var string
 */
        public $useTable = 'posts';

/**
 * invalidFields property
 *
 * @var array
 */
        public $invalidFields = array('name' => 'error_msg');

/**
 * lastQueries property
 *
 * @var array
 */
        public $lastQueries = array();

/**
 * belongsTo property
 *
 * @var array
 */
        public $belongsTo = array('PaginatorAuthor' => array('foreignKey' => 'author_id'));

/**
 * beforeFind method
 *
 * @param mixed $query
 * @return void
 */
        public function beforeFind($query) {
                array_unshift($this->lastQueries, $query);
        }

/**
 * find method
 *
 * @param mixed $type
 * @param array $options
 * @return void
 */
        public function find($conditions = null, $fields = array(), $order = null, $recursive = null) {
                if ($conditions === 'popular') {
                        $conditions = array($this->name . '.' . $this->primaryKey . ' > ' => '1');
                        $options = Hash::merge($fields, compact('conditions'));
                        return parent::find('all', $options);
                }
                return parent::find($conditions, $fields);
        }

}

/**
 * ControllerPaginateModel class
 *
 * @package       Cake.Test.Case.Controller.Component
 */
class ControllerPaginateModel extends CakeTestModel {

/**
 * useTable property
 *
 * @var string
 */
        public $useTable = 'comments';

/**
 * paginate method
 *
 * @return boolean
 */
        public function paginate($conditions, $fields, $order, $limit, $page, $recursive, $extra) {
                $this->extra = $extra;
                return true;
        }

/**
 * paginateCount
 *
 * @return void
 */
        public function paginateCount($conditions, $recursive, $extra) {
                $this->extraCount = $extra;
        }

}

/**
 * PaginatorControllerComment class
 *
 * @package       Cake.Test.Case.Controller.Component
 */
class PaginatorControllerComment extends CakeTestModel {

/**
 * name property
 *
 * @var string
 */
        public $name = 'Comment';

/**
 * useTable property
 *
 * @var string
 */
        public $useTable = 'comments';

/**
 * alias property
 *
 * @var string
 */
        public $alias = 'PaginatorControllerComment';
}

/**
 * PaginatorAuthor class
 *
 * @package       Cake.Test.Case.Controller.Component
 */
class PaginatorAuthor extends CakeTestModel {

/**
 * useTable property
 *
 * @var string
 */
        public $useTable = 'authors';

/**
 * alias property
 *
 * @var string
 */
        public $virtualFields = array(
                        'joined_offset' => 'PaginatorAuthor.id + 1'
                );

}

/**
 * PaginatorCustomPost class
 *
 * @package       Cake.Test.Case.Controller.Component
 */
class PaginatorCustomPost extends CakeTestModel {

/**
 * useTable property
 *
 * @var string
 */
        public $useTable = 'posts';

/**
 * belongsTo property
 *
 * @var string
 */
        public $belongsTo = array('Author');

/**
 * findMethods property
 *
 * @var array
 */
        public $findMethods = array(
                'published' => true,
                'totals' => true,
                'totalsOperation' => true
        );

/**
 * _findPublished custom find
 *
 * @return array
 */
        protected function _findPublished($state, $query, $results = array()) {
                if ($state === 'before') {
                        $query['conditions']['published'] = 'Y';
                        return $query;
                }
                return $results;
        }

/**
 * _findTotals custom find
 *
 * @return array
 */
        protected function _findTotals($state, $query, $results = array()) {
                if ($state === 'before') {
                        $query['fields'] = array('author_id');
                        $this->virtualFields['total_posts'] = "COUNT({$this->alias}.id)";
                        $query['fields'][] = 'total_posts';
                        $query['group'] = array('author_id');
                        $query['order'] = array('author_id' => 'ASC');
                        return $query;
                }
                $this->virtualFields = array();
                return $results;
        }

/**
 * _findTotalsOperation custom find
 *
 * @return array
 */
        protected function _findTotalsOperation($state, $query, $results = array()) {
                if ($state === 'before') {
                        if (!empty($query['operation']) && $query['operation'] === 'count') {
                                unset($query['limit']);
                                $query['recursive'] = -1;
                                $query['fields'] = array('COUNT(DISTINCT author_id) AS count');
                                return $query;
                        }
                        $query['recursive'] = 0;
                        $query['callbacks'] = 'before';
                        $query['fields'] = array('author_id', 'Author.user');
                        $this->virtualFields['total_posts'] = "COUNT({$this->alias}.id)";
                        $query['fields'][] = 'total_posts';
                        $query['group'] = array('author_id', 'Author.user');
                        $query['order'] = array('author_id' => 'ASC');
                        return $query;
                }
                $this->virtualFields = array();
                return $results;
        }

}

class PaginatorComponentTest extends CakeTestCase {

/**
 * fixtures property
 *
 * @var array
 */
        public $fixtures = array('core.post', 'core.comment', 'core.author');

/**
 * setup
 *
 * @return void
 */
        public function setUp() {
                parent::setUp();
                $this->request = new CakeRequest('controller_posts/index');
                $this->request->params['pass'] = $this->request->params['named'] = array();
                $this->Controller = new Controller($this->request);
                $this->Paginator = new PaginatorComponent($this->getMock('ComponentCollection'), array());
                $this->Paginator->Controller = $this->Controller;
                $this->Controller->Post = $this->getMock('Model');
                $this->Controller->Post->alias = 'Post';
        }

/**
 * testPaginate method
 *
 * @return void
 */
        public function testPaginate() {
                $Controller = new PaginatorTestController($this->request);
                $Controller->uses = array('PaginatorControllerPost', 'PaginatorControllerComment');
                $Controller->request->params['pass'] = array('1');
                $Controller->request->query = array();
                $Controller->constructClasses();

                $Controller->PaginatorControllerPost->order = null;

                $Controller->Paginator->settings = array(
                        'order' => array('PaginatorControllerComment.id' => 'ASC')
                );
                $results = Hash::extract($Controller->Paginator->paginate('PaginatorControllerComment'), '{n}.PaginatorControllerComment.id');
                $this->assertEquals(array(1, 2, 3, 4, 5, 6), $results);

                $Controller->Paginator->settings = array(
                        'order' => array('PaginatorControllerPost.id' => 'ASC')
                );
                $results = Hash::extract($Controller->Paginator->paginate('PaginatorControllerPost'), '{n}.PaginatorControllerPost.id');
                $this->assertEquals(array(1, 2, 3), $results);

                $Controller->modelClass = null;

                $Controller->uses[0] = 'Plugin.PaginatorControllerPost';
                $results = Hash::extract($Controller->Paginator->paginate(), '{n}.PaginatorControllerPost.id');
                $this->assertEquals(array(1, 2, 3), $results);

                $Controller->request->params['named'] = array('page' => '-1');
                $results = Hash::extract($Controller->Paginator->paginate('PaginatorControllerPost'), '{n}.PaginatorControllerPost.id');
                $this->assertEquals(1, $Controller->params['paging']['PaginatorControllerPost']['page']);
                $this->assertEquals(array(1, 2, 3), $results);

                $Controller->request->params['named'] = array('sort' => 'PaginatorControllerPost.id', 'direction' => 'asc');
                $results = Hash::extract($Controller->Paginator->paginate('PaginatorControllerPost'), '{n}.PaginatorControllerPost.id');
                $this->assertEquals(1, $Controller->params['paging']['PaginatorControllerPost']['page']);
                $this->assertEquals(array(1, 2, 3), $results);

                $Controller->request->params['named'] = array('sort' => 'PaginatorControllerPost.id', 'direction' => 'desc');
                $results = Hash::extract($Controller->Paginator->paginate('PaginatorControllerPost'), '{n}.PaginatorControllerPost.id');
                $this->assertEquals(1, $Controller->params['paging']['PaginatorControllerPost']['page']);
                $this->assertEquals(array(3, 2, 1), $results);

                $Controller->request->params['named'] = array('sort' => 'id', 'direction' => 'desc');
                $results = Hash::extract($Controller->Paginator->paginate('PaginatorControllerPost'), '{n}.PaginatorControllerPost.id');
                $this->assertEquals(1, $Controller->params['paging']['PaginatorControllerPost']['page']);
                $this->assertEquals(array(3, 2, 1), $results);

                $Controller->request->params['named'] = array('sort' => 'NotExisting.field', 'direction' => 'desc');
                $Controller->Paginator->paginate('PaginatorControllerPost');
                $this->assertEquals(1, $Controller->params['paging']['PaginatorControllerPost']['page']);
                $this->assertEquals(array(), $Controller->PaginatorControllerPost->lastQueries[1]['order'][0], 'no order should be set.');

                $Controller->request->params['named'] = array(
                        'sort' => 'PaginatorControllerPost.author_id', 'direction' => 'allYourBase'
                );
                $results = Hash::extract($Controller->Paginator->paginate('PaginatorControllerPost'), '{n}.PaginatorControllerPost.id');
                $this->assertEquals(array('PaginatorControllerPost.author_id' => 'asc'), $Controller->PaginatorControllerPost->lastQueries[1]['order'][0]);
                $this->assertEquals(array(1, 3, 2), $results);

                $Controller->request->params['named'] = array();
                $Controller->Paginator->settings = array('limit' => 0, 'maxLimit' => 10, 'paramType' => 'named');
                $Controller->Paginator->paginate('PaginatorControllerPost');
                $this->assertSame(1, $Controller->params['paging']['PaginatorControllerPost']['page']);
                $this->assertSame($Controller->params['paging']['PaginatorControllerPost']['pageCount'], 3);
                $this->assertFalse($Controller->params['paging']['PaginatorControllerPost']['prevPage']);
                $this->assertTrue($Controller->params['paging']['PaginatorControllerPost']['nextPage']);

                $Controller->request->params['named'] = array();
                $Controller->Paginator->settings = array('limit' => 'garbage!', 'maxLimit' => 10, 'paramType' => 'named');
                $Controller->Paginator->paginate('PaginatorControllerPost');
                $this->assertSame(1, $Controller->params['paging']['PaginatorControllerPost']['page']);
                $this->assertSame($Controller->params['paging']['PaginatorControllerPost']['pageCount'], 3);
                $this->assertFalse($Controller->params['paging']['PaginatorControllerPost']['prevPage']);
                $this->assertTrue($Controller->params['paging']['PaginatorControllerPost']['nextPage']);

                $Controller->request->params['named'] = array();
                $Controller->Paginator->settings = array('limit' => '-1', 'maxLimit' => 10, 'paramType' => 'named');
                $Controller->Paginator->paginate('PaginatorControllerPost');

                $this->assertSame($Controller->params['paging']['PaginatorControllerPost']['limit'], 1);
                $this->assertSame(1, $Controller->params['paging']['PaginatorControllerPost']['page']);
                $this->assertSame($Controller->params['paging']['PaginatorControllerPost']['pageCount'], 3);
                $this->assertFalse($Controller->params['paging']['PaginatorControllerPost']['prevPage']);
                $this->assertTrue($Controller->params['paging']['PaginatorControllerPost']['nextPage']);

                $Controller->Paginator->settings = array('conditions' => array('PaginatorAuthor.user' => 'mariano'));
                $Controller->Paginator->paginate('PaginatorControllerPost');

                $this->assertSame(2, $Controller->params['paging']['PaginatorControllerPost']['count']);
        }

/**
 * Test that non-numeric values are rejected for page, and limit
 *
 * @return void
 */
        public function testPageParamCasting() {
                $this->Controller->Post->expects($this->at(0))
                        ->method('hasMethod')
                        ->with('paginate')
                        ->will($this->returnValue(false));

                $this->Controller->Post->expects($this->at(1))
                        ->method('find')
                        ->will($this->returnValue(array('stuff')));

                $this->Controller->Post->expects($this->at(2))
                        ->method('hasMethod')
                        ->with('paginateCount')
                        ->will($this->returnValue(false));

                $this->Controller->Post->expects($this->at(3))
                        ->method('find')
                        ->will($this->returnValue(2));

                $this->request->params['named'] = array('page' => '1 " onclick="alert(\'xss\');">');
                $this->Paginator->settings = array('limit' => 1, 'maxLimit' => 10, 'paramType' => 'named');
                $this->Paginator->paginate('Post');
                $this->assertSame(1, $this->request->params['paging']['Post']['page'], 'XSS exploit opened');
        }

/**
 * testPaginateExtraParams method
 *
 * @return void
 */
        public function testPaginateExtraParams() {
                $Controller = new PaginatorTestController($this->request);

                $Controller->uses = array('PaginatorControllerPost', 'PaginatorControllerComment');
                $Controller->request->params['pass'] = array('1');
                $Controller->params['url'] = array();
                $Controller->constructClasses();

                $Controller->request->params['named'] = array('page' => '-1', 'contain' => array('PaginatorControllerComment'));
                $Controller->Paginator->settings = array(
                        'order' => array('PaginatorControllerPost.id' => 'ASC')
                );
                $result = $Controller->Paginator->paginate('PaginatorControllerPost');
                $this->assertEquals(1, $Controller->params['paging']['PaginatorControllerPost']['page']);
                $this->assertEquals(array(1, 2, 3), Hash::extract($result, '{n}.PaginatorControllerPost.id'));
                $this->assertTrue(!isset($Controller->PaginatorControllerPost->lastQueries[1]['contain']));

                $Controller->request->params['named'] = array('page' => '-1');
                $Controller->Paginator->settings = array(
                        'PaginatorControllerPost' => array(
                                'contain' => array('PaginatorControllerComment'),
                                'maxLimit' => 10,
                                'paramType' => 'named',
                                'order' => array('PaginatorControllerPost.id' => 'ASC')
                        ),
                );
                $result = $Controller->Paginator->paginate('PaginatorControllerPost');
                $this->assertEquals(1, $Controller->params['paging']['PaginatorControllerPost']['page']);
                $this->assertEquals(array(1, 2, 3), Hash::extract($result, '{n}.PaginatorControllerPost.id'));
                $this->assertTrue(isset($Controller->PaginatorControllerPost->lastQueries[1]['contain']));

                $Controller->Paginator->settings = array(
                        'PaginatorControllerPost' => array(
                                'popular', 'fields' => array('id', 'title'), 'maxLimit' => 10, 'paramType' => 'named'
                        ),
                );
                $result = $Controller->Paginator->paginate('PaginatorControllerPost');
                $this->assertEquals(array(2, 3), Hash::extract($result, '{n}.PaginatorControllerPost.id'));
                $this->assertEquals(array('PaginatorControllerPost.id > ' => '1'), $Controller->PaginatorControllerPost->lastQueries[1]['conditions']);

                $Controller->request->params['named'] = array('limit' => 12);
                $Controller->Paginator->settings = array('limit' => 30, 'maxLimit' => 100, 'paramType' => 'named');
                $result = $Controller->Paginator->paginate('PaginatorControllerPost');
                $paging = $Controller->params['paging']['PaginatorControllerPost'];

                $this->assertEquals(12, $Controller->PaginatorControllerPost->lastQueries[1]['limit']);
                $this->assertEquals(12, $paging['options']['limit']);

                $Controller = new PaginatorTestController($this->request);
                $Controller->uses = array('ControllerPaginateModel');
                $Controller->request->query = array();
                $Controller->constructClasses();
                $Controller->Paginator->settings = array(
                        'ControllerPaginateModel' => array(
                                'contain' => array('ControllerPaginateModel'),
                                'group' => 'Comment.author_id',
                                'maxLimit' => 10,
                                'paramType' => 'named'
                        )
                );
                $result = $Controller->Paginator->paginate('ControllerPaginateModel');
                $expected = array(
                        'contain' => array('ControllerPaginateModel'),
                        'group' => 'Comment.author_id',
                        'maxLimit' => 10,
                        'paramType' => 'named'
                );
                $this->assertEquals($expected, $Controller->ControllerPaginateModel->extra);
                $this->assertEquals($expected, $Controller->ControllerPaginateModel->extraCount);

                $Controller->Paginator->settings = array(
                        'ControllerPaginateModel' => array(
                                'foo', 'contain' => array('ControllerPaginateModel'),
                                'group' => 'Comment.author_id',
                                'maxLimit' => 10,
                                'paramType' => 'named'
                        )
                );
                $Controller->Paginator->paginate('ControllerPaginateModel');
                $expected = array(
                        'contain' => array('ControllerPaginateModel'),
                        'group' => 'Comment.author_id',
                        'type' => 'foo',
                        'maxLimit' => 10,
                        'paramType' => 'named'
                );
                $this->assertEquals($expected, $Controller->ControllerPaginateModel->extra);
                $this->assertEquals($expected, $Controller->ControllerPaginateModel->extraCount);
        }

/**
 * Test that special paginate types are called and that the type param doesn't leak out into defaults or options.
 *
 * @return void
 */
        public function testPaginateSpecialType() {
                $Controller = new PaginatorTestController($this->request);
                $Controller->uses = array('PaginatorControllerPost', 'PaginatorControllerComment');
                $Controller->request->params['pass'][] = '1';
                $Controller->params['url'] = array();
                $Controller->constructClasses();

                $Controller->Paginator->settings = array(
                        'PaginatorControllerPost' => array(
                                'popular',
                                'fields' => array('id', 'title'),
                                'maxLimit' => 10,
                                'paramType' => 'named'
                        )
                );
                $result = $Controller->Paginator->paginate('PaginatorControllerPost');

                $this->assertEquals(array(2, 3), Hash::extract($result, '{n}.PaginatorControllerPost.id'));
                $this->assertEquals(
                        $Controller->PaginatorControllerPost->lastQueries[1]['conditions'],
                        array('PaginatorControllerPost.id > ' => '1')
                );
                $this->assertFalse(isset($Controller->params['paging']['PaginatorControllerPost']['options'][0]));
        }

/**
 * testDefaultPaginateParams method
 *
 * @return void
 */
        public function testDefaultPaginateParams() {
                $Controller = new PaginatorTestController($this->request);
                $Controller->modelClass = 'PaginatorControllerPost';
                $Controller->params['url'] = array();
                $Controller->constructClasses();
                $Controller->Paginator->settings = array(
                        'order' => 'PaginatorControllerPost.id DESC',
                        'maxLimit' => 10,
                        'paramType' => 'named'
                );
                $results = Hash::extract($Controller->Paginator->paginate('PaginatorControllerPost'), '{n}.PaginatorControllerPost.id');
                $this->assertEquals('PaginatorControllerPost.id DESC', $Controller->params['paging']['PaginatorControllerPost']['order']);
                $this->assertEquals(array(3, 2, 1), $results);
        }

/**
 * test paginate() and model default order
 *
 * @return void
 */
        public function testPaginateOrderModelDefault() {
                $Controller = new PaginatorTestController($this->request);
                $Controller->uses = array('PaginatorControllerPost');
                $Controller->params['url'] = array();
                $Controller->constructClasses();
                $Controller->PaginatorControllerPost->order = array(
                        $Controller->PaginatorControllerPost->alias . '.created' => 'desc'
                );

                $Controller->Paginator->settings = array(
                        'fields' => array('id', 'title', 'created'),
                        'maxLimit' => 10,
                        'paramType' => 'named'
                );
                $result = $Controller->Paginator->paginate('PaginatorControllerPost');
                $expected = array('2007-03-18 10:43:23', '2007-03-18 10:41:23', '2007-03-18 10:39:23');
                $this->assertEquals($expected, Hash::extract($result, '{n}.PaginatorControllerPost.created'));
                $this->assertEquals(
                        $Controller->PaginatorControllerPost->order,
                        $Controller->request->paging['PaginatorControllerPost']['options']['order']
                );

                $Controller->PaginatorControllerPost->order = array('PaginatorControllerPost.id');
                $result = $Controller->Paginator->validateSort($Controller->PaginatorControllerPost, array());
                $this->assertEmpty($result['order']);

                $Controller->PaginatorControllerPost->order = 'PaginatorControllerPost.id';
                $results = $Controller->Paginator->validateSort($Controller->PaginatorControllerPost, array());
                $this->assertEmpty($result['order']);

                $Controller->PaginatorControllerPost->order = array(
                        'PaginatorControllerPost.id',
                        'PaginatorControllerPost.created' => 'asc'
                );
                $result = $Controller->Paginator->validateSort($Controller->PaginatorControllerPost, array());
                $expected = array('PaginatorControllerPost.created' => 'asc');
                $this->assertEquals($expected, $result['order']);
        }

/**
 * test paginate() and virtualField interactions
 *
 * @return void
 */
        public function testPaginateOrderVirtualField() {
                $Controller = new PaginatorTestController($this->request);
                $Controller->uses = array('PaginatorControllerPost', 'PaginatorControllerComment');
                $Controller->params['url'] = array();
                $Controller->constructClasses();
                $Controller->PaginatorControllerPost->virtualFields = array(
                        'offset_test' => 'PaginatorControllerPost.id + 1'
                );

                $Controller->Paginator->settings = array(
                        'fields' => array('id', 'title', 'offset_test'),
                        'order' => array('offset_test' => 'DESC'),
                        'maxLimit' => 10,
                        'paramType' => 'named'
                );
                $result = $Controller->Paginator->paginate('PaginatorControllerPost');
                $this->assertEquals(array(4, 3, 2), Hash::extract($result, '{n}.PaginatorControllerPost.offset_test'));

                $Controller->request->params['named'] = array('sort' => 'offset_test', 'direction' => 'asc');
                $result = $Controller->Paginator->paginate('PaginatorControllerPost');
                $this->assertEquals(array(2, 3, 4), Hash::extract($result, '{n}.PaginatorControllerPost.offset_test'));
        }

/**
 * test paginate() and virtualField on joined model
 *
 * @return void
 */
        public function testPaginateOrderVirtualFieldJoinedModel() {
                $Controller = new PaginatorTestController($this->request);
                $Controller->uses = array('PaginatorControllerPost');
                $Controller->params['url'] = array();
                $Controller->constructClasses();
                $Controller->PaginatorControllerPost->recursive = 0;
                $Controller->Paginator->settings = array(
                        'order' => array('PaginatorAuthor.joined_offset' => 'DESC'),
                        'maxLimit' => 10,
                        'paramType' => 'named'
                );
                $result = $Controller->Paginator->paginate('PaginatorControllerPost');
                $this->assertEquals(array(4, 2, 2), Hash::extract($result, '{n}.PaginatorAuthor.joined_offset'));

                $Controller->request->params['named'] = array('sort' => 'PaginatorAuthor.joined_offset', 'direction' => 'asc');
                $result = $Controller->Paginator->paginate('PaginatorControllerPost');
                $this->assertEquals(array(2, 2, 4), Hash::extract($result, '{n}.PaginatorAuthor.joined_offset'));
        }

/**
 * Tests for missing models
 *
 * @expectedException MissingModelException
 */
        public function testPaginateMissingModel() {
                $Controller = new PaginatorTestController($this->request);
                $Controller->constructClasses();
                $Controller->Paginator->paginate('MissingModel');
        }

/**
 * test that option merging prefers specific models
 *
 * @return void
 */
        public function testMergeOptionsModelSpecific() {
                $this->Paginator->settings = array(
                        'page' => 1,
                        'limit' => 20,
                        'maxLimit' => 100,
                        'paramType' => 'named',
                        'Post' => array(
                                'page' => 1,
                                'limit' => 10,
                                'maxLimit' => 50,
                                'paramType' => 'named',
                        )
                );
                $result = $this->Paginator->mergeOptions('Silly');
                $this->assertEquals($this->Paginator->settings, $result);

                $result = $this->Paginator->mergeOptions('Post');
                $expected = array('page' => 1, 'limit' => 10, 'paramType' => 'named', 'maxLimit' => 50);
                $this->assertEquals($expected, $result);
        }

/**
 * test mergeOptions with named params.
 *
 * @return void
 */
        public function testMergeOptionsNamedParams() {
                $this->request->params['named'] = array(
                        'page' => 10,
                        'limit' => 10
                );
                $this->Paginator->settings = array(
                        'page' => 1,
                        'limit' => 20,
                        'maxLimit' => 100,
                        'paramType' => 'named',
                );
                $result = $this->Paginator->mergeOptions('Post');
                $expected = array('page' => 10, 'limit' => 10, 'maxLimit' => 100, 'paramType' => 'named');
                $this->assertEquals($expected, $result);
        }

/**
 * test mergeOptions with customFind key
 *
 * @return void
 */
        public function testMergeOptionsCustomFindKey() {
                $this->request->params['named'] = array(
                        'page' => 10,
                        'limit' => 10
                );
                $this->Paginator->settings = array(
                        'page' => 1,
                        'limit' => 20,
                        'maxLimit' => 100,
                        'paramType' => 'named',
                        'findType' => 'myCustomFind'
                );
                $result = $this->Paginator->mergeOptions('Post');
                $expected = array('page' => 10, 'limit' => 10, 'maxLimit' => 100, 'paramType' => 'named', 'findType' => 'myCustomFind');
                $this->assertEquals($expected, $result);
        }

/**
 * test merging options from the querystring.
 *
 * @return void
 */
        public function testMergeOptionsQueryString() {
                $this->request->params['named'] = array(
                        'page' => 10,
                        'limit' => 10
                );
                $this->request->query = array(
                        'page' => 99,
                        'limit' => 75
                );
                $this->Paginator->settings = array(
                        'page' => 1,
                        'limit' => 20,
                        'maxLimit' => 100,
                        'paramType' => 'querystring',
                );
                $result = $this->Paginator->mergeOptions('Post');
                $expected = array('page' => 99, 'limit' => 75, 'maxLimit' => 100, 'paramType' => 'querystring');
                $this->assertEquals($expected, $result);
        }

/**
 * test that the default whitelist doesn't let people screw with things they should not be allowed to.
 *
 * @return void
 */
        public function testMergeOptionsDefaultWhiteList() {
                $this->request->params['named'] = array(
                        'page' => 10,
                        'limit' => 10,
                        'fields' => array('bad.stuff'),
                        'recursive' => 1000,
                        'conditions' => array('bad.stuff'),
                        'contain' => array('bad')
                );
                $this->Paginator->settings = array(
                        'page' => 1,
                        'limit' => 20,
                        'maxLimit' => 100,
                        'paramType' => 'named',
                );
                $result = $this->Paginator->mergeOptions('Post');
                $expected = array('page' => 10, 'limit' => 10, 'maxLimit' => 100, 'paramType' => 'named');
                $this->assertEquals($expected, $result);
        }

/**
 * test that modifying the whitelist works.
 *
 * @return void
 */
        public function testMergeOptionsExtraWhitelist() {
                $this->request->params['named'] = array(
                        'page' => 10,
                        'limit' => 10,
                        'fields' => array('bad.stuff'),
                        'recursive' => 1000,
                        'conditions' => array('bad.stuff'),
                        'contain' => array('bad')
                );
                $this->Paginator->settings = array(
                        'page' => 1,
                        'limit' => 20,
                        'maxLimit' => 100,
                        'paramType' => 'named',
                );
                $this->Paginator->whitelist[] = 'fields';
                $result = $this->Paginator->mergeOptions('Post');
                $expected = array(
                        'page' => 10, 'limit' => 10, 'maxLimit' => 100, 'paramType' => 'named', 'fields' => array('bad.stuff')
                );
                $this->assertEquals($expected, $result);
        }

/**
 * test mergeOptions with limit > maxLimit in code.
 *
 * @return void
 */
        public function testMergeOptionsMaxLimit() {
                $this->Paginator->settings = array(
                        'limit' => 200,
                        'paramType' => 'named',
                );
                $result = $this->Paginator->mergeOptions('Post');
                $expected = array('page' => 1, 'limit' => 200, 'maxLimit' => 200, 'paramType' => 'named');
                $this->assertEquals($expected, $result);

                $this->Paginator->settings = array(
                        'maxLimit' => 10,
                        'paramType' => 'named',
                );
                $result = $this->Paginator->mergeOptions('Post');
                $expected = array('page' => 1, 'limit' => 20, 'maxLimit' => 10, 'paramType' => 'named');
                $this->assertEquals($expected, $result);

                $this->request->params['named'] = array(
                        'limit' => 500
                );
                $this->Paginator->settings = array(
                        'limit' => 150,
                        'paramType' => 'named',
                );
                $result = $this->Paginator->mergeOptions('Post');
                $expected = array('page' => 1, 'limit' => 500, 'maxLimit' => 150, 'paramType' => 'named');
                $this->assertEquals($expected, $result);
        }

/**
 * test that invalid directions are ignored.
 *
 * @return void
 */
        public function testValidateSortInvalidDirection() {
                $model = $this->getMock('Model');
                $model->alias = 'model';
                $model->expects($this->any())->method('hasField')->will($this->returnValue(true));

                $options = array('sort' => 'something', 'direction' => 'boogers');
                $result = $this->Paginator->validateSort($model, $options);

                $this->assertEquals('asc', $result['order']['model.something']);
        }

/**
 * Test that a really large page number gets clamped to the max page size.
 *
 * @expectedException NotFoundException
 * @return void
 */
        public function testOutOfRangePageNumberGetsClamped() {
                $Controller = new PaginatorTestController($this->request);
                $Controller->uses = array('PaginatorControllerPost');
                $Controller->params['named'] = array(
                        'page' => 3000,
                );
                $Controller->constructClasses();
                $Controller->PaginatorControllerPost->recursive = 0;
                $Controller->Paginator->paginate('PaginatorControllerPost');
        }

/**
 * Test that a really REALLY large page number gets clamped to the max page size.
 *
 *
 * @expectedException NotFoundException
 * @return void
 */
        public function testOutOfVeryBigPageNumberGetsClamped() {
                $Controller = new PaginatorTestController($this->request);
                $Controller->uses = array('PaginatorControllerPost');
                $Controller->params['named'] = array(
                        'page' => '3000000000000000000000000',
                );
                $Controller->constructClasses();
                $Controller->PaginatorControllerPost->recursive = 0;
                $Controller->Paginator->paginate('PaginatorControllerPost');
        }

/**
 * testOutOfRangePageNumberAndPageCountZero
 *
 * @return void
 */
        public function testOutOfRangePageNumberAndPageCountZero() {
                $Controller = new PaginatorTestController($this->request);
                $Controller->uses = array('PaginatorControllerPost');
                $Controller->params['named'] = array(
                        'page' => '3000',
                );
                $Controller->constructClasses();
                $Controller->PaginatorControllerPost->recursive = 0;
                $Controller->paginate = array(
                        'conditions' => array('PaginatorControllerPost.id >' => 100)
                );

                try {
                        $Controller->Paginator->paginate('PaginatorControllerPost');
                        $this->fail();
                } catch (NotFoundException $e) {
                        $this->assertEquals(
                                1,
                                $Controller->request->params['paging']['PaginatorControllerPost']['page'],
                                'Page number should not be 0'
                        );
                }
        }

/**
 * test that fields not in whitelist won't be part of order conditions.
 *
 * @return void
 */
        public function testValidateSortWhitelistFailure() {
                $model = $this->getMock('Model');
                $model->alias = 'model';
                $model->expects($this->any())->method('hasField')->will($this->returnValue(true));

                $options = array('sort' => 'body', 'direction' => 'asc');
                $result = $this->Paginator->validateSort($model, $options, array('title', 'id'));

                $this->assertNull($result['order']);
        }

/**
 * test that fields in the whitelist are not validated
 *
 * @return void
 */
        public function testValidateSortWhitelistTrusted() {
                $model = $this->getMock('Model');
                $model->alias = 'model';
                $model->expects($this->never())->method('hasField');

                $options = array('sort' => 'body', 'direction' => 'asc');
                $result = $this->Paginator->validateSort($model, $options, array('body'));

                $expected = array('body' => 'asc');
                $this->assertEquals($expected, $result['order']);
        }

/**
 * test that virtual fields work.
 *
 * @return void
 */
        public function testValidateSortVirtualField() {
                $model = $this->getMock('Model');
                $model->alias = 'model';

                $model->expects($this->at(0))
                        ->method('hasField')
                        ->with('something')
                        ->will($this->returnValue(false));

                $model->expects($this->at(1))
                        ->method('hasField')
                        ->with('something', true)
                        ->will($this->returnValue(true));

                $options = array('sort' => 'something', 'direction' => 'desc');
                $result = $this->Paginator->validateSort($model, $options);

                $this->assertEquals('desc', $result['order']['something']);
        }

/**
 * test that sorting fields is alias specific
 *
 * @return void
 */
        public function testValidateSortSharedFields() {
                $model = $this->getMock('Model');
                $model->alias = 'Parent';
                $model->Child = $this->getMock('Model');
                $model->Child->alias = 'Child';

                $model->expects($this->never())
                        ->method('hasField');

                $model->Child->expects($this->at(0))
                        ->method('hasField')
                        ->with('something')
                        ->will($this->returnValue(true));

                $options = array('sort' => 'Child.something', 'direction' => 'desc');
                $result = $this->Paginator->validateSort($model, $options);

                $this->assertEquals('desc', $result['order']['Child.something']);
        }
/**
 * test that multiple sort works.
 *
 * @return void
 */
        public function testValidateSortMultiple() {
                $model = $this->getMock('Model');
                $model->alias = 'model';
                $model->expects($this->any())->method('hasField')->will($this->returnValue(true));

                $options = array(
                        'order' => array(
                                'author_id' => 'asc',
                                'title' => 'asc'
                        )
                );
                $result = $this->Paginator->validateSort($model, $options);
                $expected = array(
                        'model.author_id' => 'asc',
                        'model.title' => 'asc'
                );

                $this->assertEquals($expected, $result['order']);
        }

/**
 * Test that no sort doesn't trigger an error.
 *
 * @return void
 */
        public function testValidateSortNoSort() {
                $model = $this->getMock('Model');
                $model->alias = 'model';
                $model->expects($this->any())->method('hasField')->will($this->returnValue(true));

                $options = array('direction' => 'asc');
                $result = $this->Paginator->validateSort($model, $options, array('title', 'id'));
                $this->assertFalse(isset($result['order']));

                $options = array('order' => 'invalid desc');
                $result = $this->Paginator->validateSort($model, $options, array('title', 'id'));

                $this->assertEquals($options['order'], $result['order']);
        }

/**
 * Test sorting with incorrect aliases on valid fields.
 *
 * @return void
 */
        public function testValidateSortInvalidAlias() {
                $model = $this->getMock('Model');
                $model->alias = 'Model';
                $model->expects($this->any())->method('hasField')->will($this->returnValue(true));

                $options = array('sort' => 'Derp.id');
                $result = $this->Paginator->validateSort($model, $options);
                $this->assertEquals(array(), $result['order']);
        }

/**
 * test that maxLimit is respected
 *
 * @return void
 */
        public function testCheckLimit() {
                $result = $this->Paginator->checkLimit(array('limit' => 1000000, 'maxLimit' => 100));
                $this->assertEquals(100, $result['limit']);

                $result = $this->Paginator->checkLimit(array('limit' => 'sheep!', 'maxLimit' => 100));
                $this->assertEquals(1, $result['limit']);

                $result = $this->Paginator->checkLimit(array('limit' => '-1', 'maxLimit' => 100));
                $this->assertEquals(1, $result['limit']);

                $result = $this->Paginator->checkLimit(array('limit' => null, 'maxLimit' => 100));
                $this->assertEquals(1, $result['limit']);

                $result = $this->Paginator->checkLimit(array('limit' => 0, 'maxLimit' => 100));
                $this->assertEquals(1, $result['limit']);
        }

/**
 * testPaginateMaxLimit
 *
 * @return void
 */
        public function testPaginateMaxLimit() {
                $Controller = new Controller($this->request);

                $Controller->uses = array('PaginatorControllerPost', 'ControllerComment');
                $Controller->request->params['pass'][] = '1';
                $Controller->constructClasses();

                $Controller->request->params['named'] = array(
                        'contain' => array('ControllerComment'), 'limit' => '1000'
                );
                $result = $Controller->paginate('PaginatorControllerPost');
                $this->assertEquals(100, $Controller->params['paging']['PaginatorControllerPost']['options']['limit']);

                $Controller->request->params['named'] = array(
                        'contain' => array('ControllerComment'), 'limit' => '1000', 'maxLimit' => 1000
                );
                $result = $Controller->paginate('PaginatorControllerPost');
                $this->assertEquals(100, $Controller->params['paging']['PaginatorControllerPost']['options']['limit']);

                $Controller->request->params['named'] = array('contain' => array('ControllerComment'), 'limit' => '10');
                $result = $Controller->paginate('PaginatorControllerPost');
                $this->assertEquals(10, $Controller->params['paging']['PaginatorControllerPost']['options']['limit']);

                $Controller->request->params['named'] = array('contain' => array('ControllerComment'), 'limit' => '1000');
                $Controller->paginate = array('maxLimit' => 2000, 'paramType' => 'named');
                $result = $Controller->paginate('PaginatorControllerPost');
                $this->assertEquals(1000, $Controller->params['paging']['PaginatorControllerPost']['options']['limit']);

                $Controller->request->params['named'] = array('contain' => array('ControllerComment'), 'limit' => '5000');
                $result = $Controller->paginate('PaginatorControllerPost');
                $this->assertEquals(2000, $Controller->params['paging']['PaginatorControllerPost']['options']['limit']);
        }

/**
 * test paginate() and virtualField overlapping with real fields.
 *
 * @return void
 */
        public function testPaginateOrderVirtualFieldSharedWithRealField() {
                $Controller = new Controller($this->request);
                $Controller->uses = array('PaginatorControllerPost', 'PaginatorControllerComment');
                $Controller->constructClasses();
                $Controller->PaginatorControllerComment->virtualFields = array(
                        'title' => 'PaginatorControllerComment.comment'
                );
                $Controller->PaginatorControllerComment->bindModel(array(
                        'belongsTo' => array(
                                'PaginatorControllerPost' => array(
                                        'className' => 'PaginatorControllerPost',
                                        'foreignKey' => 'article_id'
                                )
                        )
                ), false);

                $Controller->paginate = array(
                        'fields' => array(
                                'PaginatorControllerComment.id',
                                'title',
                                'PaginatorControllerPost.title'
                        ),
                );
                $Controller->request->params['named'] = array(
                        'sort' => 'PaginatorControllerPost.title',
                        'direction' => 'desc'
                );
                $result = Hash::extract(
                        $Controller->paginate('PaginatorControllerComment'),
                        '{n}.PaginatorControllerComment.id'
                );
                $result1 = array_splice($result, 0, 2);
                sort($result1);
                $this->assertEquals(array(5, 6), $result1);

                sort($result);
                $this->assertEquals(array(1, 2, 3, 4), $result);
        }

/**
 * test paginate() and custom find, to make sure the correct count is returned.
 *
 * @return void
 */
        public function testPaginateCustomFind() {
                $Controller = new Controller($this->request);
                $Controller->uses = array('PaginatorCustomPost');
                $Controller->constructClasses();
                $data = array('author_id' => 3, 'title' => 'Fourth Article', 'body' => 'Article Body, unpublished', 'published' => 'N');
                $Controller->PaginatorCustomPost->create($data);
                $result = $Controller->PaginatorCustomPost->save();
                $this->assertTrue(!empty($result));

                $result = $Controller->paginate();
                $this->assertEquals(array(1, 2, 3, 4), Hash::extract($result, '{n}.PaginatorCustomPost.id'));

                $result = $Controller->params['paging']['PaginatorCustomPost'];
                $this->assertEquals(4, $result['current']);
                $this->assertEquals(4, $result['count']);

                $Controller->paginate = array('published');
                $result = $Controller->paginate();
                $this->assertEquals(array(1, 2, 3), Hash::extract($result, '{n}.PaginatorCustomPost.id'));

                $result = $Controller->params['paging']['PaginatorCustomPost'];
                $this->assertEquals(3, $result['current']);
                $this->assertEquals(3, $result['count']);

                $Controller->paginate = array('published', 'limit' => 2);
                $result = $Controller->paginate();
                $this->assertEquals(array(1, 2), Hash::extract($result, '{n}.PaginatorCustomPost.id'));

                $result = $Controller->params['paging']['PaginatorCustomPost'];
                $this->assertEquals(2, $result['current']);
                $this->assertEquals(3, $result['count']);
                $this->assertEquals(2, $result['pageCount']);
                $this->assertTrue($result['nextPage']);
                $this->assertFalse($result['prevPage']);
        }
/**
 * test paginate() and custom find with fields array, to make sure the correct count is returned.
 *
 * @return void
 */
        public function testPaginateCustomFindFieldsArray() {
                $Controller = new Controller($this->request);
                $Controller->uses = array('PaginatorCustomPost');
                $Controller->constructClasses();
                $data = array('author_id' => 3, 'title' => 'Fourth Article', 'body' => 'Article Body, unpublished', 'published' => 'N');
                $Controller->PaginatorCustomPost->create($data);
                $result = $Controller->PaginatorCustomPost->save();
                $this->assertTrue(!empty($result));

                $Controller->paginate = array(
                        'list',
                        'conditions' => array('PaginatorCustomPost.published' => 'Y'),
                        'limit' => 2
                );
                $result = $Controller->paginate();
                $expected = array(
                        1 => 'First Post',
                        2 => 'Second Post',
                );
                $this->assertEquals($expected, $result);
                $result = $Controller->params['paging']['PaginatorCustomPost'];
                $this->assertEquals(2, $result['current']);
                $this->assertEquals(3, $result['count']);
                $this->assertEquals(2, $result['pageCount']);
                $this->assertTrue($result['nextPage']);
                $this->assertFalse($result['prevPage']);
        }
/**
 * test paginate() and custom find with customFind key, to make sure the correct count is returned.
 *
 * @return void
 */
        public function testPaginateCustomFindWithCustomFindKey() {
                $Controller = new Controller($this->request);
                $Controller->uses = array('PaginatorCustomPost');
                $Controller->constructClasses();
                $data = array('author_id' => 3, 'title' => 'Fourth Article', 'body' => 'Article Body, unpublished', 'published' => 'N');
                $Controller->PaginatorCustomPost->create($data);
                $result = $Controller->PaginatorCustomPost->save();
                $this->assertTrue(!empty($result));

                $Controller->paginate = array(
                        'conditions' => array('PaginatorCustomPost.published' => 'Y'),
                        'findType' => 'list',
                        'limit' => 2
                );
                $result = $Controller->paginate();
                $expected = array(
                        1 => 'First Post',
                        2 => 'Second Post',
                );
                $this->assertEquals($expected, $result);
                $result = $Controller->params['paging']['PaginatorCustomPost'];
                $this->assertEquals(2, $result['current']);
                $this->assertEquals(3, $result['count']);
                $this->assertEquals(2, $result['pageCount']);
                $this->assertTrue($result['nextPage']);
                $this->assertFalse($result['prevPage']);
        }

/**
 * test paginate() and custom find with fields array, to make sure the correct count is returned.
 *
 * @return void
 */
        public function testPaginateCustomFindGroupBy() {
                $Controller = new Controller($this->request);
                $Controller->uses = array('PaginatorCustomPost');
                $Controller->constructClasses();
                $data = array('author_id' => 2, 'title' => 'Fourth Article', 'body' => 'Article Body, unpublished', 'published' => 'N');
                $Controller->PaginatorCustomPost->create($data);
                $result = $Controller->PaginatorCustomPost->save();
                $this->assertTrue(!empty($result));

                $Controller->paginate = array(
                        'totals',
                        'limit' => 2
                );
                $result = $Controller->paginate();
                $expected = array(
                        array(
                                'PaginatorCustomPost' => array(
                                        'author_id' => '1',
                                        'total_posts' => '2'
                                )
                        ),
                        array(
                                'PaginatorCustomPost' => array(
                                        'author_id' => '2',
                                        'total_posts' => '1'
                                )
                        )
                );
                $this->assertEquals($expected, $result);
                $result = $Controller->params['paging']['PaginatorCustomPost'];
                $this->assertEquals(2, $result['current']);
                $this->assertEquals(3, $result['count']);
                $this->assertEquals(2, $result['pageCount']);
                $this->assertTrue($result['nextPage']);
                $this->assertFalse($result['prevPage']);

                $Controller->paginate = array(
                        'totals',
                        'limit' => 2,
                        'page' => 2
                );
                $result = $Controller->paginate();
                $expected = array(
                        array(
                                'PaginatorCustomPost' => array(
                                        'author_id' => '3',
                                        'total_posts' => '1'
                                )
                        ),
                );
                $this->assertEquals($expected, $result);
                $result = $Controller->params['paging']['PaginatorCustomPost'];
                $this->assertEquals(1, $result['current']);
                $this->assertEquals(3, $result['count']);
                $this->assertEquals(2, $result['pageCount']);
                $this->assertFalse($result['nextPage']);
                $this->assertTrue($result['prevPage']);
        }

/**
 * test paginate() and custom find with returning other query on count operation,
 * to make sure the correct count is returned.
 *
 * @return void
 */
        public function testPaginateCustomFindCount() {
                $Controller = new Controller($this->request);
                $Controller->uses = array('PaginatorCustomPost');
                $Controller->constructClasses();
                $data = array('author_id' => 2, 'title' => 'Fourth Article', 'body' => 'Article Body, unpublished', 'published' => 'N');
                $Controller->PaginatorCustomPost->create($data);
                $result = $Controller->PaginatorCustomPost->save();
                $this->assertTrue(!empty($result));

                $Controller->paginate = array(
                        'totalsOperation',
                        'limit' => 2
                );
                $result = $Controller->paginate();
                $expected = array(
                        array(
                                'PaginatorCustomPost' => array(
                                        'author_id' => '1',
                                        'total_posts' => '2'
                                ),
                                'Author' => array(
                                        'user' => 'mariano',
                                )
                        ),
                        array(
                                'PaginatorCustomPost' => array(
                                        'author_id' => '2',
                                        'total_posts' => '1'
                                ),
                                'Author' => array(
                                        'user' => 'nate'
                                )
                        )
                );
                $this->assertEquals($expected, $result);
                $result = $Controller->params['paging']['PaginatorCustomPost'];
                $this->assertEquals(2, $result['current']);
                $this->assertEquals(3, $result['count']);
                $this->assertEquals(2, $result['pageCount']);
                $this->assertTrue($result['nextPage']);
                $this->assertFalse($result['prevPage']);
        }
}