Yii2 framework backup
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<?php
/**
* @link http://www.yiiframework.com/
* @copyright Copyright (c) 2008 Yii Software LLC
* @license http://www.yiiframework.com/license/
*/
namespace yiiunit\framework\di;
use yii\base\Component;
use yii\db\Connection;
use yii\di\Container;
use yii\di\Instance;
use yiiunit\TestCase;
/**
* @author Qiang Xue <qiang.xue@gmail.com>
* @since 2.0
*/
class InstanceTest extends TestCase
{
public function testOf()
{
$container = new Container;
$className = Component::className();
$instance = Instance::of($className);
$this->assertTrue($instance instanceof Instance);
$this->assertTrue($instance->get($container) instanceof Component);
$this->assertTrue(Instance::ensure($instance, $className, $container) instanceof Component);
$this->assertTrue($instance->get($container) !== Instance::ensure($instance, $className, $container));
}
public function testEnsure()
{
$container = new Container;
$container->set('db', [
'class' => 'yii\db\Connection',
'dsn' => 'test',
]);
$this->assertTrue(Instance::ensure('db', 'yii\db\Connection', $container) instanceof Connection);
$this->assertTrue(Instance::ensure(new Connection, 'yii\db\Connection', $container) instanceof Connection);
$this->assertTrue(Instance::ensure([
'class' => 'yii\db\Connection',
'dsn' => 'test',
], 'yii\db\Connection', $container) instanceof Connection);
}
}