assertEmpty($sut->getRenderer()); } public function testUnknownRendererReturnsNull() { $sut = new ServiceExport(); $this->assertNull($sut->getRendererById('default')); } public function testAdd() { $sut = new ServiceExport(); $sut->addRenderer(new HtmlRenderer( $this->getMockBuilder(\Twig_Environment::class)->disableOriginalConstructor()->getMock() )); $this->assertEquals(1, count($sut->getRenderer())); } }