Sonata\ProductBundle\Seo\Services\Twitter::alterPage PHP Метод

    public function alterPage(SeoPageInterface $seoPage, ProductInterface $product)
    {
        $seoPage->addMeta('name', 'twitter:card', 'product')->addMeta('name', 'twitter:title', $product->getName())->addMeta('name', 'twitter:description', substr($product->getDescription(), 0, 200))->addMeta('name', 'twitter:label1', 'Price')->addMeta('name', 'twitter:data1', $this->numberHelper->formatCurrency($product->getPrice(), $this->currencyDetector->getCurrency()))->addMeta('name', 'twitter:label2', 'SKU')->addMeta('name', 'twitter:data2', $product->getSku())->addMeta('name', 'twitter:site', $this->site)->addMeta('name', 'twitter:creator', $this->creator)->addMeta('name', 'twitter:domain', $this->domain);
        if ($image = $product->getImage()) {
            $provider = $this->mediaPool->getProvider($image->getProviderName());
            $seoPage->addMeta('property', 'twitter:image:src', $provider->generatePublicUrl($image, $this->mediaFormat));
        }
    }

 public function testAlterPage()
 {
     $mediaPool = $this->getMockBuilder('Sonata\\MediaBundle\\Provider\\Pool')->disableOriginalConstructor()->getMock();
     $seoPage = new SeoPage('test');
     $extension = new SeoExtension($seoPage, 'UTF-8');
     $numberHelper = $this->getMockBuilder('Sonata\\IntlBundle\\Templating\\Helper\\NumberHelper')->disableOriginalConstructor()->getMock();
     $currencyDetector = $this->getMockBuilder('Sonata\\Component\\Currency\\CurrencyDetectorInterface')->disableOriginalConstructor()->getMock();
     $product = new ProductTwitterMock();
     $twitterService = new Twitter($mediaPool, $numberHelper, $currencyDetector, 'test', 'test', 'test', 'test', 'reference');
     ob_start();
     $twitterService->alterPage($seoPage, $product, null);
     $extension->renderMetadatas();
     $content = ob_get_contents();
     ob_end_clean();
     $this->assertContains('twitter:label1', $content);
     $this->assertNotContains('twitter:image:src', $content);
 }