/**
* Method to get an array of products from a remote URI.
*
* @param $uri string
* @return ProductList
*/
public function fetchProducts($uri)
{
// init our product list
$products = new ProductList();
// get main product URL
$url = $this->fetchUrl($uri);
// setup domcrawler
$crawler = new Crawler($url->getResponseContents());
$elements = $crawler->filter("#productLister div.productInfo h3 a");
/** @var \DOMElement $element */
foreach ($elements as $element) {
$products->addProduct($this->getProductFromUrl($this->fetchUrl($element->getAttribute('href'))));
}
// and return!
return $products;
}
/**
* Json JsonSeralise method.
*/
public function testJsonSerialize()
{
// product 1
$p1Title = 'Product 1 Title';
$p1Description = 'Product 1 Description';
$p1UnitPrice = '1.80';
$p1Uri = 'http://product1.com';
$p1Request = new Request('GET', $p1Uri);
$p1Size = 97961231;
$p1Response = new Response(200, ['Content-Length' => $p1Size]);
$p1Url = new Url($p1Request, $p1Response);
$p1 = new Product($p1Title, $p1Description, $p1UnitPrice, $p1Url);
// product 2
$p2Title = 'Product 2 Title';
$p2Description = 'Product 2 Description';
$p2UnitPrice = '2.20';
$p2Uri = 'http://product2.com';
$p2Request = new Request('GET', $p2Uri);
$p2Size = 123871203712;
$p2Response = new Response(200, ['Content-Length' => $p2Size]);
$p2Url = new Url($p2Request, $p2Response);
$p2 = new Product($p2Title, $p2Description, $p2UnitPrice, $p2Url);
// json
$expectedJson = json_encode((object) ['results' => [(object) ['title' => $p1Title, 'size' => number_format($p1Size / 1000, 2, '.', '') . 'KB', 'unit_price' => $p1UnitPrice, 'description' => $p1Description], (object) ['title' => $p2Title, 'size' => number_format($p2Size / 1000, 2, '.', '') . 'KB', 'unit_price' => $p2UnitPrice, 'description' => $p2Description]], 'total' => '4.00']);
$sut = new ProductList();
$sut->addProduct($p1);
$sut->addProduct($p2);
$this->assertEquals($expectedJson, json_encode($sut));
}