Expect a PSR-18 client instead of a PHP-HTTP client (#1110)

* Expect a PSR-18 client instead of a PHP-HTTP client

* Update integration tests

Author: JaZo

Geonames.php

@@ -25,7 +25,7 @@
 use Geocoder\Query\ReverseQuery;
 use Geocoder\Http\Provider\AbstractHttpProvider;
 use Geocoder\Provider\Provider;
-use Http\Client\HttpClient;
+use Psr\Http\Client\ClientInterface;
 
 /**
  * @author Giovanni Pirrotta <giovanni.pirrotta@gmail.com>
@@ -53,10 +53,10 @@ final class Geonames extends AbstractHttpProvider implements Provider
     private $username;
 
     /**
-     * @param HttpClient $client   An HTTP adapter
-     * @param string     $username Username login (Free registration at http://www.geonames.org/login)
+     * @param ClientInterface $client   An HTTP adapter
+     * @param string          $username Username login (Free registration at http://www.geonames.org/login)
      */
-    public function __construct(HttpClient $client, string $username)
+    public function __construct(ClientInterface $client, string $username)
     {
         if (empty($username)) {
             throw new InvalidCredentials('No username provided.');

Tests/IntegrationTest.php

@@ -12,7 +12,7 @@
 
 use Geocoder\IntegrationTest\ProviderIntegrationTest;
 use Geocoder\Provider\Geonames\Geonames;
-use Http\Client\HttpClient;
+use Psr\Http\Client\ClientInterface;
 
 /**
  * @author Tobias Nyholm <tobias.nyholm@gmail.com>
@@ -27,7 +27,7 @@ class IntegrationTest extends ProviderIntegrationTest
 
     protected $testIpv6 = false;
 
-    protected function createProvider(HttpClient $httpClient)
+    protected function createProvider(ClientInterface $httpClient)
     {
         return new Geonames($httpClient, $this->getApiKey());
     }