public function testExtractImage()
{
$crawler = new Crawler($this->getHtmlContent());
$adapter = new Adapters\DefaultAdapter();
$image = $adapter->extractImage($crawler);
$this->assertEquals('http://www.google.com/images/srpr/logo11w.png', $image);
}
public function extractImage(Crawler $crawler)
{
if (empty($this->imageSelector) === false) {
$ret = $this->getSrcByImgSelector($crawler, $this->imageSelector);
}
if (empty($ret) === true) {
$ret = $this->fallbackAdapter->extractImage($crawler);
}
if (empty($ret) === false) {
return $this->normalizeLink($ret);
} else {
return null;
}
}
