service = new Decorator\Webservice(array('foo' => 'bar')); } public function testJsonDecorator() { // Wrap service with a JSON decorator for renderers $service = new Decorator\RenderInJson($this->service); // Our Renderer will now output JSON instead of an array $this->assertEquals('{"foo":"bar"}', $service->renderData()); } public function testXmlDecorator() { // Wrap service with a JSON decorator for renderers $service = new Decorator\RenderInXml($this->service); // Our Renderer will now output XML instead of an array $xml = 'bar'; $this->assertXmlStringEqualsXmlString($xml, $service->renderData()); } /** * The first key-point of this pattern : */ public function testDecoratorMustImplementsRenderer() { $className = 'DesignPatterns\Structural\Decorator\Decorator'; $interfaceName = 'DesignPatterns\Structural\Decorator\RendererInterface'; $this->assertTrue(is_subclass_of($className, $interfaceName)); } /** * Second key-point of this pattern : the decorator is type-hinted * * @expectedException \PHPUnit_Framework_Error */ public function testDecoratorTypeHinted() { $this->getMockForAbstractClass('DesignPatterns\Structural\Decorator\Decorator', array(new \stdClass())); } /** * The decorator implements and wraps the same interface */ public function testDecoratorOnlyAcceptRenderer() { $mock = $this->getMock('DesignPatterns\Structural\Decorator\RendererInterface'); $dec = $this->getMockForAbstractClass('DesignPatterns\Structural\Decorator\Decorator', array($mock)); $this->assertNotNull($dec); } }