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