cakephp/tests/TestCase/Datasource/ResultSetDecoratorTest.php

<?php
/**
 * 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
 * @since         3.0.0
 * @license       http://www.opensource.org/licenses/mit-license.php MIT License
 */
namespace Cake\Test\TestCase\Datasource;

use Cake\Datasource\ResultSetDecorator;
use Cake\TestSuite\TestCase;

/**
 * Tests ResultSetDecorator class
 *
 */
class ResultSetDecoratorTest extends TestCase {

/**
 * Tests the decorator can wrap a simple iterator
 *
 * @return void
 */
	public function testDecorateSimpleIterator() {
		$data = new \ArrayIterator([1, 2, 3]);
		$decorator = new ResultSetDecorator($data);
		$this->assertEquals([1, 2, 3], iterator_to_array($decorator));
	}

/**
 * Tests it toArray() method
 *
 * @return void
 */
	public function testToArray() {
		$data = new \ArrayIterator([1, 2, 3]);
		$decorator = new ResultSetDecorator($data);
		$this->assertEquals([1, 2, 3], $decorator->toArray());
	}

/**
 * Tests json encoding method
 *
 * @return void
 */
	public function testToJson() {
		$data = new \ArrayIterator([1, 2, 3]);
		$decorator = new ResultSetDecorator($data);
		$this->assertEquals(json_encode([1, 2, 3]), json_encode($decorator));
	}

/**
 * Tests serializing and unserializing the decorator
 *
 * @return void
 */
	public function testSerialization() {
		$data = new \ArrayIterator([1, 2, 3]);
		$decorator = new ResultSetDecorator($data);
		$serialized = serialize($decorator);
		$this->assertEquals([1, 2, 3], unserialize($serialized)->toArray());
	}

/**
 * Test the first() method which is part of the ResultSet duck type.
 *
 * @return void
 */
	public function testFirst() {
		$data = new \ArrayIterator([1, 2, 3]);
		$decorator = new ResultSetDecorator($data);

		$this->assertEquals(1, $decorator->first());
		$this->assertEquals(1, $decorator->first());
	}

/**
 * Test the count() method which is part of the ResultSet duck type.
 *
 * @return void
 */
	public function testCount() {
		$data = new \ArrayIterator([1, 2, 3]);
		$decorator = new ResultSetDecorator($data);

		$this->assertEquals(3, $decorator->count());
		$this->assertCount(3, $decorator);
	}

}