Guzzle\Clientをモッカブルにする

app/MetadataResolver/FantiaResolver.php

@@ -2,20 +2,33 @@
 
 namespace App\MetadataResolver;
 
+use GuzzleHttp\Client;
 use Illuminate\Support\Facades\Log;
 
 class FantiaResolver implements Resolver
 {
+    /**
+     * @var Client
+     */
+    private $client;
+    /**
+     * @var OGPResolver
+     */
+    private $ogpResolver;
+
+    public function __construct(Client $client, OGPResolver $ogpResolver)
+    {
+        $this->client = $client;
+        $this->ogpResolver = $ogpResolver;
+    }
     public function resolve(string $url): Metadata
     {
         preg_match("~\d+~", $url, $match);
         $postId = $match[0];
 
-        $client = new \GuzzleHttp\Client();
-        $res = $client->get($url);
+        $res = $this->client->get($url);
         if ($res->getStatusCode() === 200) {
-            $ogpResolver = new OGPResolver();
-            $metadata = $ogpResolver->parse($res->getBody());
+            $metadata = $this->ogpResolver->parse($res->getBody());
 
             $dom = new \DOMDocument();
             @$dom->loadHTML(mb_convert_encoding($res->getBody(), 'HTML-ENTITIES', 'UTF-8'));