cakephp/tests/TestCase/Database/Schema/CollectionTest.php

<?php
/**
 * PHP Version 5.4
 *
 * 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 3.0.0
 * @license       MIT License (http://www.opensource.org/licenses/mit-license.php)
 */
namespace Cake\Test\TestCase\Database\Schema;

use Cake\Cache\Cache;
use Cake\Core\Configure;
use Cake\Database\Connection;
use Cake\Database\ConnectionManager;
use Cake\Database\Schema\Collection;
use Cake\Database\Schema\Table;
use Cake\TestSuite\TestCase;

/**
 * Test case for Collection
 */
class CollectionTest extends TestCase {

	public $fixtures = [
		'core.user'
	];

/**
 * Setup function
 *
 * @return void
 */
	public function setUp() {
		parent::setUp();
		$this->connection = ConnectionManager::get('test');
		Cache::clear(false, '_cake_model_');
		Cache::enable();
	}

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

/**
 * Test that describing non-existent tables fails.
 *
 * Tests for positive describe() calls are in each platformSchema
 * test case.
 *
 * @expectedException Cake\Database\Exception
 * @return void
 */
	public function testDescribeIncorrectTable() {
		$schema = new Collection($this->connection);
		$this->assertNull($schema->describe('derp'));
	}

/**
 * Tests that schema metadata is cached
 *
 * @return void
 */
	public function testDescribeCache() {
		$table = $this->connection->schemaCollection()->describe('users');

		$config = $this->connection->config();
		$config['cacheMetadata'] = true;

		$connection = new Connection($config);
		$schema = new Collection($connection);

		Cache::delete('test_users', '_cake_model_');
		$result = $schema->describe('users');
		$this->assertEquals($table, $result);

		$result = Cache::read('test_users', '_cake_model_');
		$this->assertEquals($table, $result);
	}

}