EntityContextTest.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         CakePHP(tm) v 3.0
 * @license       http://www.opensource.org/licenses/mit-license.php MIT License
 */
namespace Cake\Test\TestCase\View\Form;

use Cake\ORM\Entity;
use Cake\ORM\Table;
use Cake\Network\Request;
use Cake\TestSuite\TestCase;
use Cake\View\Form\EntityContext;

/**
 * Entity context test case.
 */
class EntityContextTest extends TestCase {

/**
 * Fixtures to use.
 *
 * @var array
 */
	public $fixtures = ['core.article', 'core.comment'];

/**
 * setup method.
 *
 * @return void
 */
	public function setUp() {
		parent::setUp();
		$this->request = new Request();
	}

/**
 * Test reading data.
 *
 * @return void
 */
	public function testValBasic() {
		$row = new Entity([
			'title' => 'Test entity',
			'body' => 'Something new'
		]);
		$context = new EntityContext($this->request, [
			'entity' => $row,
			'table' => 'Articles',
		]);
		$result = $context->val('Articles.title');
		$this->assertEquals($row->title, $result);

		$result = $context->val('title');
		$this->assertEquals($row->title, $result);

		$result = $context->val('Articles.body');
		$this->assertEquals($row->body, $result);

		$result = $context->val('body');
		$this->assertEquals($row->body, $result);

		$result = $context->val('Articles.nope');
		$this->assertNull($result);

		$result = $context->val('nope');
		$this->assertNull($result);
	}

/**
 * Test reading values from associated entities.
 *
 * @return void
 */
	public function testValAssociated() {
		$row = new Entity([
			'title' => 'Test entity',
			'user' => new Entity([
				'username' => 'mark',
				'fname' => 'Mark'
			]),
			'comments' => [
				new Entity(['comment' => 'Test comment']),
				new Entity(['comment' => 'Second comment']),
			]
		]);
		$context = new EntityContext($this->request, [
			'entity' => $row,
			'table' => 'Articles',
		]);

		$result = $context->val('Articles.user.fname');
		$this->assertEquals($row->user->fname, $result);

		$result = $context->val('user.fname');
		$this->assertEquals($row->user->fname, $result);

		$result = $context->val('Articles.comments.0.comment');
		$this->assertEquals($row->comments[0]->comment, $result);

		$result = $context->val('comments.0.comment');
		$this->assertEquals($row->comments[0]->comment, $result);

		$result = $context->val('Articles.comments.1.comment');
		$this->assertEquals($row->comments[1]->comment, $result);

		$result = $context->val('comments.1.comment');
		$this->assertEquals($row->comments[1]->comment, $result);

		$result = $context->val('Articles.comments.0.nope');
		$this->assertNull($result);

		$result = $context->val('Articles.comments.0.nope.no_way');
		$this->assertNull($result);
	}

}