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201 lines
6.7 KiB
201 lines
6.7 KiB
<?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; |
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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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* @group di |
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*/ |
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class InstanceTest extends TestCase |
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{ |
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protected function tearDown() |
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{ |
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parent::tearDown(); |
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Yii::$container = new Container(); |
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} |
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public function testOf() |
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{ |
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$container = new Container(); |
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$className = Component::className(); |
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$instance = Instance::of($className); |
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$this->assertInstanceOf('\\yii\\di\\Instance', $instance); |
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$this->assertInstanceOf(Component::className(), $instance->get($container)); |
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$this->assertInstanceOf(Component::className(), Instance::ensure($instance, $className, $container)); |
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$this->assertNotSame($instance->get($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->assertInstanceOf(Connection::className(), Instance::ensure('db', 'yii\db\Connection', $container)); |
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$this->assertInstanceOf(Connection::className(), Instance::ensure(new Connection, 'yii\db\Connection', $container)); |
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$this->assertInstanceOf('\\yii\\db\\Connection', Instance::ensure(['class' => 'yii\db\Connection', 'dsn' => 'test'], 'yii\db\Connection', $container)); |
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} |
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/** |
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* ensure an InvalidConfigException is thrown when a component does not exist. |
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*/ |
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public function testEnsure_NonExistingComponentException() |
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{ |
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$container = new Container(); |
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$this->expectException('yii\base\InvalidConfigException'); |
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$this->expectExceptionMessageRegExp('/^Failed to instantiate component or class/i'); |
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Instance::ensure('cache', 'yii\cache\Cache', $container); |
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} |
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/** |
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* ensure an InvalidConfigException is thrown when a class does not exist. |
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*/ |
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public function testEnsure_NonExistingClassException() |
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{ |
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$container = new Container(); |
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$this->expectException('yii\base\InvalidConfigException'); |
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$this->expectExceptionMessageRegExp('/^Failed to instantiate component or class/i'); |
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Instance::ensure('yii\cache\DoesNotExist', 'yii\cache\Cache', $container); |
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} |
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public function testEnsure_WithoutType() |
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{ |
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$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->assertInstanceOf(Connection::className(), Instance::ensure('db', null, $container)); |
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$this->assertInstanceOf(Connection::className(), Instance::ensure(new Connection, null, $container)); |
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$this->assertInstanceOf('\\yii\\db\\Connection', Instance::ensure(['class' => 'yii\db\Connection', 'dsn' => 'test'], null, $container)); |
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} |
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public function testEnsure_MinimalSettings() |
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{ |
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Yii::$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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$this->assertInstanceOf(Connection::className(), Instance::ensure('db')); |
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$this->assertInstanceOf(Connection::className(), Instance::ensure(new Connection)); |
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$this->assertInstanceOf(Connection::className(), Instance::ensure(['class' => 'yii\db\Connection', 'dsn' => 'test'])); |
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Yii::$container = new Container; |
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} |
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public function testExceptionRefersTo() |
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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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$this->expectException('yii\base\InvalidConfigException'); |
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$this->expectExceptionMessage('"db" refers to a yii\db\Connection component. yii\base\Widget is expected.'); |
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Instance::ensure('db', 'yii\base\Widget', $container); |
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} |
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public function testExceptionInvalidDataType() |
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{ |
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$this->expectException('yii\base\InvalidConfigException'); |
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$this->expectExceptionMessage('Invalid data type: yii\db\Connection. yii\base\Widget is expected.'); |
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Instance::ensure(new Connection, 'yii\base\Widget'); |
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} |
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public function testExceptionComponentIsNotSpecified() |
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{ |
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$this->expectException('yii\base\InvalidConfigException'); |
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$this->expectExceptionMessage('The required component is not specified.'); |
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Instance::ensure(''); |
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} |
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public function testGet() |
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{ |
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$this->mockApplication([ |
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'components' => [ |
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'db' => [ |
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'class' => 'yii\db\Connection', |
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'dsn' => 'test', |
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] |
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] |
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]); |
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$container = Instance::of('db'); |
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$this->assertInstanceOf(Connection::className(), $container->get()); |
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$this->destroyApplication(); |
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} |
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/** |
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* This tests the usage example given in yii\di\Instance class PHPdoc |
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*/ |
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public function testLazyInitializationExample() |
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{ |
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Yii::$container = new Container; |
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Yii::$container->set('cache', [ |
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'class' => 'yii\caching\DbCache', |
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'db' => Instance::of('db') |
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]); |
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Yii::$container->set('db', [ |
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'class' => 'yii\db\Connection', |
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'dsn' => 'sqlite:path/to/file.db', |
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]); |
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$this->assertInstanceOf('yii\caching\DbCache', $cache = Yii::$container->get('cache')); |
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$this->assertInstanceOf('yii\db\Connection', $db = $cache->db); |
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$this->assertEquals('sqlite:path/to/file.db', $db->dsn); |
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} |
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public function testRestoreAfterVarExport() |
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{ |
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$instance = Instance::of('something'); |
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$export = var_export($instance, true); |
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$this->assertRegExp(<<<'PHP' |
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@yii\\di\\Instance::__set_state\(array\( |
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\s+'id' => 'something', |
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\)\)@ |
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PHP |
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, $export); |
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$this->assertEquals($instance, Instance::__set_state([ |
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'id' => 'something', |
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])); |
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} |
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public function testRestoreAfterVarExportRequiresId() |
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{ |
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$this->expectException('yii\base\InvalidConfigException'); |
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$this->expectExceptionMessage('Failed to instantiate class "Instance". Required parameter "id" is missing'); |
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Instance::__set_state([]); |
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} |
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public function testExceptionInvalidDataTypeInArray() |
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{ |
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$this->setExpectedException('yii\base\InvalidConfigException', 'Invalid data type: yii\db\Connection. yii\base\Widget is expected.'); |
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Instance::ensure([ |
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'class' => Connection::className(), |
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], 'yii\base\Widget'); |
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} |
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}
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