2.11. Registry

    • Zend Framework 1: holds the application’s loggerobject, front controller etc.
    • Yii Framework: holds all the applicationcomponents, such as , , etc.
    1. <?php
    2.  
    3. namespace DesignPatterns\Structural\Registry\Tests;
    4.  
    5. use DesignPatterns\Structural\Registry\Registry;
    6. use stdClass;
    7. use PHPUnit\Framework\TestCase;
    8.  
    9. class RegistryTest extends TestCase
    10.     public function testSetAndGetLogger()
    11.     {
    12.         $key = Registry::LOGGER;
    13.         $logger = new stdClass();
    14.  
    15.         Registry::set($key, $logger);
    16.         $storedLogger = Registry::get($key);
    17.  
    18.         $this->assertSame($logger, $storedLogger);
    19.         $this->assertInstanceOf(stdClass::class, $storedLogger);
    20.     }
    21.  
    22.     /**
    23.      * @expectedException \InvalidArgumentException
    24.      */
    25.     public function testThrowsExceptionWhenTryingToSetInvalidKey()
    26.         Registry::set('foobar', new stdClass());
    27.     }
    28.  
    29.     /**
    30.      * notice @runInSeparateProcess here: without it, a previous test might have set it already and
    31.      * testing would not be possible. That's why you should implement Dependency Injection where an
    32.      * injected class may easily be replaced by a mockup
    33.      *
    34.      * @runInSeparateProcess
    35.      * @expectedException \InvalidArgumentException
    36.      */
    37.     public function testThrowsExceptionWhenTryingToGetNotSetKey()
    38.     {
    39.         Registry::get(Registry::LOGGER);
    40.     }
    41. }