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<?php
/**
 * SqlserverTest file
 *
 * CakePHP(tm) : Rapid Development Framework (http://cakephp.org)
 * 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://cakephp.org CakePHP(tm) Project
 * @package       Cake.Test.Case.Model.Datasource.Database
 * @since         CakePHP(tm) v 1.2.0
 * @license       http://www.opensource.org/licenses/mit-license.php MIT License
 */

App::uses('Model', 'Model');
App::uses('AppModel', 'Model');
App::uses('Sqlserver', 'Model/Datasource/Database');

require_once dirname(dirname(dirname(__FILE__))) . DS . 'models.php';

/**
 * SqlserverTestDb class
 *
 * @package       Cake.Test.Case.Model.Datasource.Database
 */
class SqlserverTestDb extends Sqlserver {

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

/**
 * execute results stack
 *
 * @var array
 */
        public $executeResultsStack = array();

/**
 * execute method
 *
 * @param mixed $sql
 * @param mixed $params
 * @param mixed $prepareOptions
 * @return mixed
 */
        protected function _execute($sql, $params = array(), $prepareOptions = array()) {
                $this->simulated[] = $sql;
                return empty($this->executeResultsStack) ? null : array_pop($this->executeResultsStack);
        }

/**
 * fetchAll method
 *
 * @param mixed $sql
 * @return void
 */
        protected function _matchRecords(Model $model, $conditions = null) {
                return $this->conditions(array('id' => array(1, 2)));
        }

/**
 * getLastQuery method
 *
 * @return string
 */
        public function getLastQuery() {
                return $this->simulated[count($this->simulated) - 1];
        }

/**
 * getPrimaryKey method
 *
 * @param mixed $model
 * @return string
 */
        public function getPrimaryKey($model) {
                return parent::_getPrimaryKey($model);
        }

/**
 * clearFieldMappings method
 *
 * @return void
 */
        public function clearFieldMappings() {
                $this->_fieldMappings = array();
        }

/**
 * describe method
 *
 * @param object $model
 * @return void
 */
        public function describe($model) {
                return empty($this->describe) ? parent::describe($model) : $this->describe;
        }

}

/**
 * SqlserverTestModel class
 *
 * @package       Cake.Test.Case.Model.Datasource.Database
 */
class SqlserverTestModel extends CakeTestModel {

/**
 * useTable property
 *
 * @var boolean
 */
        public $useTable = false;

/**
 * _schema property
 *
 * @var array
 */
        protected $_schema = array(
                'id' => array('type' => 'integer', 'null' => '', 'default' => '', 'length' => '8', 'key' => 'primary'),
                'client_id' => array('type' => 'integer', 'null' => '', 'default' => '0', 'length' => '11'),
                'name' => array('type' => 'string', 'null' => '', 'default' => '', 'length' => '255'),
                'login' => array('type' => 'string', 'null' => '', 'default' => '', 'length' => '255'),
                'passwd' => array('type' => 'string', 'null' => '1', 'default' => '', 'length' => '255'),
                'addr_1' => array('type' => 'string', 'null' => '1', 'default' => '', 'length' => '255'),
                'addr_2' => array('type' => 'string', 'null' => '1', 'default' => '', 'length' => '25'),
                'zip_code' => array('type' => 'string', 'null' => '1', 'default' => '', 'length' => '155'),
                'city' => array('type' => 'string', 'null' => '1', 'default' => '', 'length' => '155'),
                'country' => array('type' => 'string', 'null' => '1', 'default' => '', 'length' => '155'),
                'phone' => array('type' => 'string', 'null' => '1', 'default' => '', 'length' => '155'),
                'fax' => array('type' => 'string', 'null' => '1', 'default' => '', 'length' => '155'),
                'url' => array('type' => 'string', 'null' => '1', 'default' => '', 'length' => '255'),
                'email' => array('type' => 'string', 'null' => '1', 'default' => '', 'length' => '155'),
                'comments' => array('type' => 'text', 'null' => '1', 'default' => '', 'length' => ''),
                'last_login' => array('type' => 'datetime', 'null' => '1', 'default' => '', 'length' => ''),
                'created' => array('type' => 'date', 'null' => '1', 'default' => '', 'length' => ''),
                'updated' => array('type' => 'datetime', 'null' => '1', 'default' => '', 'length' => null)
        );

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

/**
 * find method
 *
 * @param mixed $conditions
 * @param mixed $fields
 * @param mixed $order
 * @param mixed $recursive
 * @return void
 */
        public function find($conditions = null, $fields = null, $order = null, $recursive = null) {
                return $conditions;
        }

}

/**
 * SqlserverClientTestModel class
 *
 * @package       Cake.Test.Case.Model.Datasource.Database
 */
class SqlserverClientTestModel extends CakeTestModel {

/**
 * useTable property
 *
 * @var boolean
 */
        public $useTable = false;

/**
 * _schema property
 *
 * @var array
 */
        protected $_schema = array(
                'id'            => array('type' => 'integer', 'null' => '', 'default' => '', 'length' => '8', 'key' => 'primary'),
                'name'          => array('type' => 'string', 'null' => '', 'default' => '', 'length' => '255'),
                'email'         => array('type' => 'string', 'null' => '1', 'default' => '', 'length' => '155'),
                'created'       => array('type' => 'datetime', 'null' => '1', 'default' => '', 'length' => ''),
                'updated'       => array('type' => 'datetime', 'null' => '1', 'default' => '', 'length' => null)
        );
}

/**
 * SqlserverTestResultIterator class
 *
 * @package       Cake.Test.Case.Model.Datasource.Database
 */
class SqlserverTestResultIterator extends ArrayIterator {

/**
 * closeCursor method
 *
 * @return void
 */
        public function closeCursor() {
        }

/**
 * fetch method
 *
 * @return void
 */
        public function fetch() {
                if (!$this->valid()) {
                        return null;
                }
                $current = $this->current();
                $this->next();
                return $current;
        }

}

/**
 * SqlserverTest class
 *
 * @package       Cake.Test.Case.Model.Datasource.Database
 */
class SqlserverTest extends CakeTestCase {

/**
 * The Dbo instance to be tested
 *
 * @var DboSource
 */
        public $db = null;

/**
 * autoFixtures property
 *
 * @var boolean
 */
        public $autoFixtures = false;

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

/**
 * Sets up a Dbo class instance for testing
 *
 */
        public function setUp() {
                parent::setUp();
                $this->Dbo = ConnectionManager::getDataSource('test');
                if (!($this->Dbo instanceof Sqlserver)) {
                        $this->markTestSkipped('Please configure the test datasource to use SQL Server.');
                }
                $this->db = new SqlserverTestDb($this->Dbo->config);
                $this->model = new SqlserverTestModel();
        }

/**
 * tearDown method
 *
 * @return void
 */
        public function tearDown() {
                parent::tearDown();
                unset($this->Dbo);
                unset($this->model);
        }

/**
 * testQuoting method
 *
 * @return void
 */
        public function testQuoting() {
                $expected = "1.2";
                $result = $this->db->value(1.2, 'float');
                $this->assertSame($expected, $result);

                $expected = "'1,2'";
                $result = $this->db->value('1,2', 'float');
                $this->assertSame($expected, $result);

                $expected = 'NULL';
                $result = $this->db->value('', 'integer');
                $this->assertSame($expected, $result);

                $expected = 'NULL';
                $result = $this->db->value('', 'float');
                $this->assertSame($expected, $result);

                $expected = "''";
                $result = $this->db->value('', 'binary');
                $this->assertSame($expected, $result);

                $expected = 'NULL';
                $result = $this->db->value(null, 'string');
                $this->assertSame($expected, $result);
        }

/**
 * testFields method
 *
 * @return void
 */
        public function testFields() {
                $fields = array(
                        '[SqlserverTestModel].[id] AS [SqlserverTestModel__id]',
                        '[SqlserverTestModel].[client_id] AS [SqlserverTestModel__client_id]',
                        '[SqlserverTestModel].[name] AS [SqlserverTestModel__name]',
                        '[SqlserverTestModel].[login] AS [SqlserverTestModel__login]',
                        '[SqlserverTestModel].[passwd] AS [SqlserverTestModel__passwd]',
                        '[SqlserverTestModel].[addr_1] AS [SqlserverTestModel__addr_1]',
                        '[SqlserverTestModel].[addr_2] AS [SqlserverTestModel__addr_2]',
                        '[SqlserverTestModel].[zip_code] AS [SqlserverTestModel__zip_code]',
                        '[SqlserverTestModel].[city] AS [SqlserverTestModel__city]',
                        '[SqlserverTestModel].[country] AS [SqlserverTestModel__country]',
                        '[SqlserverTestModel].[phone] AS [SqlserverTestModel__phone]',
                        '[SqlserverTestModel].[fax] AS [SqlserverTestModel__fax]',
                        '[SqlserverTestModel].[url] AS [SqlserverTestModel__url]',
                        '[SqlserverTestModel].[email] AS [SqlserverTestModel__email]',
                        '[SqlserverTestModel].[comments] AS [SqlserverTestModel__comments]',
                        'CONVERT(VARCHAR(20), [SqlserverTestModel].[last_login], 20) AS [SqlserverTestModel__last_login]',
                        '[SqlserverTestModel].[created] AS [SqlserverTestModel__created]',
                        'CONVERT(VARCHAR(20), [SqlserverTestModel].[updated], 20) AS [SqlserverTestModel__updated]'
                );

                $result = $this->db->fields($this->model);
                $expected = $fields;
                $this->assertEquals($expected, $result);

                $this->db->clearFieldMappings();
                $result = $this->db->fields($this->model, null, 'SqlserverTestModel.*');
                $expected = $fields;
                $this->assertEquals($expected, $result);

                $this->db->clearFieldMappings();
                $result = $this->db->fields($this->model, null, array('*', 'AnotherModel.id', 'AnotherModel.name'));
                $expected = array_merge($fields, array(
                        '[AnotherModel].[id] AS [AnotherModel__id]',
                        '[AnotherModel].[name] AS [AnotherModel__name]'));
                $this->assertEquals($expected, $result);

                $this->db->clearFieldMappings();
                $result = $this->db->fields($this->model, null, array('*', 'SqlserverClientTestModel.*'));
                $expected = array_merge($fields, array(
                        '[SqlserverClientTestModel].[id] AS [SqlserverClientTestModel__id]',
                        '[SqlserverClientTestModel].[name] AS [SqlserverClientTestModel__name]',
                        '[SqlserverClientTestModel].[email] AS [SqlserverClientTestModel__email]',
                        'CONVERT(VARCHAR(20), [SqlserverClientTestModel].[created], 20) AS [SqlserverClientTestModel__created]',
                        'CONVERT(VARCHAR(20), [SqlserverClientTestModel].[updated], 20) AS [SqlserverClientTestModel__updated]'));
                $this->assertEquals($expected, $result);
        }

/**
 * testDistinctFields method
 *
 * @return void
 */
        public function testDistinctFields() {
                $result = $this->db->fields($this->model, null, array('DISTINCT Car.country_code'));
                $expected = array('DISTINCT [Car].[country_code] AS [Car__country_code]');
                $this->assertEquals($expected, $result);

                $result = $this->db->fields($this->model, null, 'DISTINCT Car.country_code');
                $expected = array('DISTINCT [Car].[country_code] AS [Car__country_code]');
                $this->assertEquals($expected, $result);
        }

/**
 * testDistinctWithLimit method
 *
 * @return void
 */
        public function testDistinctWithLimit() {
                $this->db->read($this->model, array(
                        'fields' => array('DISTINCT SqlserverTestModel.city', 'SqlserverTestModel.country'),
                        'limit' => 5
                ));
                $result = $this->db->getLastQuery();
                $this->assertRegExp('/^SELECT DISTINCT TOP 5/', $result);
        }

/**
 * testDescribe method
 *
 * @return void
 */
        public function testDescribe() {
                $SqlserverTableDescription = new SqlserverTestResultIterator(array(
                        (object)array(
                                'Default' => '((0))',
                                'Field' => 'count',
                                'Key' => 0,
                                'Length' => '4',
                                'Null' => 'NO',
                                'Type' => 'integer'
                        ),
                        (object)array(
                                'Default' => '',
                                'Field' => 'body',
                                'Key' => 0,
                                'Length' => '-1',
                                'Null' => 'YES',
                                'Type' => 'nvarchar'
                        ),
                        (object)array(
                                'Default' => '',
                                'Field' => 'published',
                                'Key' => 0,
                                'Type' => 'datetime2',
                                'Length' => 8,
                                'Null' => 'YES',
                                'Size' => ''
                        ),
                        (object)array(
                                'Default' => '',
                                'Field' => 'id',
                                'Key' => 1,
                                'Type' => 'nchar',
                                'Length' => 72,
                                'Null' => 'NO',
                                'Size' => ''
                        ),
                        (object)array(
                                'Default' => null,
                                'Field' => 'parent_id',
                                'Key' => '0',
                                'Type' => 'bigint',
                                'Length' => 8,
                                'Null' => 'YES',
                                'Size' => '0',
                        ),
                ));
                $this->db->executeResultsStack = array($SqlserverTableDescription);
                $dummyModel = $this->model;
                $result = $this->db->describe($dummyModel);
                $expected = array(
                        'count' => array(
                                'type' => 'integer',
                                'null' => false,
                                'default' => '0',
                                'length' => 4
                        ),
                        'body' => array(
                                'type' => 'text',
                                'null' => true,
                                'default' => null,
                                'length' => null
                        ),
                        'published' => array(
                                'type' => 'datetime',
                                'null' => true,
                                'default' => '',
                                'length' => null
                        ),
                        'id' => array(
                                'type' => 'string',
                                'null' => false,
                                'default' => '',
                                'length' => 36,
                                'key' => 'primary'
                        ),
                        'parent_id' => array(
                                'type' => 'biginteger',
                                'null' => true,
                                'default' => null,
                                'length' => 8,
                        ),
                );
                $this->assertEquals($expected, $result);
                $this->assertSame($expected['parent_id'], $result['parent_id']);
        }

/**
 * testBuildColumn
 *
 * @return void
 */
        public function testBuildColumn() {
                $column = array('name' => 'id', 'type' => 'integer', 'null' => false, 'default' => '', 'length' => '8', 'key' => 'primary');
                $result = $this->db->buildColumn($column);
                $expected = '[id] int IDENTITY (1, 1) NOT NULL';
                $this->assertEquals($expected, $result);

                $column = array('name' => 'client_id', 'type' => 'integer', 'null' => false, 'default' => '0', 'length' => '11');
                $result = $this->db->buildColumn($column);
                $expected = '[client_id] int DEFAULT 0 NOT NULL';
                $this->assertEquals($expected, $result);

                $column = array('name' => 'client_id', 'type' => 'integer', 'null' => true);
                $result = $this->db->buildColumn($column);
                $expected = '[client_id] int NULL';
                $this->assertEquals($expected, $result);

                // 'name' => 'type' format for columns
                $column = array('type' => 'integer', 'name' => 'client_id');
                $result = $this->db->buildColumn($column);
                $expected = '[client_id] int NULL';
                $this->assertEquals($expected, $result);

                $column = array('type' => 'string', 'name' => 'name');
                $result = $this->db->buildColumn($column);
                $expected = '[name] nvarchar(255) NULL';
                $this->assertEquals($expected, $result);

                $column = array('name' => 'name', 'type' => 'string', 'null' => false, 'default' => '', 'length' => '255');
                $result = $this->db->buildColumn($column);
                $expected = '[name] nvarchar(255) DEFAULT \'\' NOT NULL';
                $this->assertEquals($expected, $result);

                $column = array('name' => 'name', 'type' => 'string', 'null' => false, 'length' => '255');
                $result = $this->db->buildColumn($column);
                $expected = '[name] nvarchar(255) NOT NULL';
                $this->assertEquals($expected, $result);

                $column = array('name' => 'name', 'type' => 'string', 'null' => false, 'default' => null, 'length' => '255');
                $result = $this->db->buildColumn($column);
                $expected = '[name] nvarchar(255) NOT NULL';
                $this->assertEquals($expected, $result);

                $column = array('name' => 'name', 'type' => 'string', 'null' => true, 'default' => null, 'length' => '255');
                $result = $this->db->buildColumn($column);
                $expected = '[name] nvarchar(255) NULL';
                $this->assertEquals($expected, $result);

                $column = array('name' => 'name', 'type' => 'string', 'null' => true, 'default' => '', 'length' => '255');
                $result = $this->db->buildColumn($column);
                $expected = '[name] nvarchar(255) DEFAULT \'\'';
                $this->assertEquals($expected, $result);

                $column = array('name' => 'body', 'type' => 'text');
                $result = $this->db->buildColumn($column);
                $expected = '[body] nvarchar(MAX)';
                $this->assertEquals($expected, $result);

                $column = array(
                        'name' => 'checked',
                        'type' => 'boolean',
                        'length' => 10,
                        'default' => '1'
                );
                $result = $this->db->buildColumn($column);
                $expected = "[checked] bit DEFAULT '1'";
                $this->assertEquals($expected, $result);

                $column = array(
                        'name' => 'huge',
                        'type' => 'biginteger',
                );
                $result = $this->db->buildColumn($column);
                $expected = "[huge] bigint";
                $this->assertEquals($expected, $result);
        }

/**
 * testBuildIndex method
 *
 * @return void
 */
        public function testBuildIndex() {
                $indexes = array(
                        'PRIMARY' => array('column' => 'id', 'unique' => 1),
                        'client_id' => array('column' => 'client_id', 'unique' => 1)
                );
                $result = $this->db->buildIndex($indexes, 'items');
                $expected = array(
                        'PRIMARY KEY ([id])',
                        'ALTER TABLE items ADD CONSTRAINT client_id UNIQUE([client_id]);'
                );
                $this->assertEquals($expected, $result);

                $indexes = array('client_id' => array('column' => 'client_id'));
                $result = $this->db->buildIndex($indexes, 'items');
                $this->assertSame(array(), $result);

                $indexes = array('client_id' => array('column' => array('client_id', 'period_id'), 'unique' => 1));
                $result = $this->db->buildIndex($indexes, 'items');
                $expected = array('ALTER TABLE items ADD CONSTRAINT client_id UNIQUE([client_id], [period_id]);');
                $this->assertEquals($expected, $result);
        }

/**
 * testUpdateAllSyntax method
 *
 * @return void
 */
        public function testUpdateAllSyntax() {
                $fields = array('SqlserverTestModel.client_id' => '[SqlserverTestModel].[client_id] + 1');
                $conditions = array('SqlserverTestModel.updated <' => date('2009-01-01 00:00:00'));
                $this->db->update($this->model, $fields, null, $conditions);

                $result = $this->db->getLastQuery();
                $this->assertNotRegExp('/SqlserverTestModel/', $result);
                $this->assertRegExp('/^UPDATE \[sqlserver_test_models\]/', $result);
                $this->assertRegExp('/SET \[client_id\] = \[client_id\] \+ 1/', $result);
        }

/**
 * testGetPrimaryKey method
 *
 * @return void
 */
        public function testGetPrimaryKey() {
                $schema = $this->model->schema();

                $this->db->describe = $schema;
                $result = $this->db->getPrimaryKey($this->model);
                $this->assertEquals('id', $result);

                unset($schema['id']['key']);
                $this->db->describe = $schema;
                $result = $this->db->getPrimaryKey($this->model);
                $this->assertNull($result);
        }

/**
 * SQL server < 11 doesn't have proper limit/offset support, test that our hack works.
 *
 * @return void
 */
        public function testLimitOffsetHack() {
                $this->loadFixtures('Author', 'Post', 'User');
                $query = array(
                        'limit' => 2,
                        'page' => 1,
                        'order' => 'User.user ASC',
                );
                $User = ClassRegistry::init('User');
                $results = $User->find('all', $query);

                $this->assertEquals(2, count($results));
                $this->assertEquals('garrett', $results[0]['User']['user']);
                $this->assertEquals('larry', $results[1]['User']['user']);

                $query = array(
                        'limit' => 2,
                        'page' => 2,
                        'order' => 'User.user ASC',
                );
                $User = ClassRegistry::init('User');
                $results = $User->find('all', $query);

                $this->assertEquals(2, count($results));
                $this->assertFalse(isset($results[0][0]));
                $this->assertEquals('mariano', $results[0]['User']['user']);
                $this->assertEquals('nate', $results[1]['User']['user']);
        }

/**
 * Test that the return of stored procedures is honoured
 *
 * @return void
 */
        public function testStoredProcedureReturn() {
                $sql = <<<SQL
CREATE PROCEDURE cake_test_procedure
AS
BEGIN
RETURN 2;
END
SQL;
                $this->Dbo->execute($sql);

                $sql = <<<SQL
DECLARE @return_value int
EXEC @return_value = [cake_test_procedure]
SELECT 'value' = @return_value
SQL;
                $query = $this->Dbo->execute($sql);
                $this->Dbo->execute('DROP PROC cake_test_procedure');

                $result = $query->fetch();
                $this->assertEquals(2, $result['value']);
        }

}