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

Provider/AbstractHttpProvider.php

@@ -18,7 +18,7 @@
 use Geocoder\Provider\AbstractProvider;
 use Http\Message\MessageFactory;
 use Http\Discovery\MessageFactoryDiscovery;
-use Http\Client\HttpClient;
+use Psr\Http\Client\ClientInterface;
 use Psr\Http\Message\RequestInterface;
 
 /**
@@ -28,7 +28,7 @@
 abstract class AbstractHttpProvider extends AbstractProvider
 {
     /**
-     * @var HttpClient
+     * @var ClientInterface
      */
     private $client;
 
@@ -38,10 +38,10 @@ abstract class AbstractHttpProvider extends AbstractProvider
     private $messageFactory;
 
     /**
-     * @param HttpClient          $client
+     * @param ClientInterface     $client
      * @param MessageFactory|null $factory
      */
-    public function __construct(HttpClient $client, MessageFactory $factory = null)
+    public function __construct(ClientInterface $client, MessageFactory $factory = null)
     {
         $this->client = $client;
         $this->messageFactory = $factory ?: MessageFactoryDiscovery::find();
@@ -106,9 +106,9 @@ protected function getParsedResponse(RequestInterface $request): string
     /**
      * Returns the HTTP adapter.
      *
-     * @return HttpClient
+     * @return ClientInterface
      */
-    protected function getHttpClient(): HttpClient
+    protected function getHttpClient(): ClientInterface
     {
         return $this->client;
     }

Tests/Provider/AbstractHttpProviderTest.php

@@ -17,7 +17,7 @@
 use Geocoder\Model\AddressCollection;
 use Geocoder\Query\GeocodeQuery;
 use Geocoder\Query\ReverseQuery;
-use Http\Client\HttpClient;
+use Psr\Http\Client\ClientInterface;
 use Http\Mock\Client;
 use PHPUnit\Framework\TestCase;
 
@@ -33,7 +33,7 @@ public function testHttpClientGetter()
 
 class DummyProvider extends AbstractHttpProvider
 {
-    public function getHttpClient(): HttpClient
+    public function getHttpClient(): ClientInterface
     {
         return parent::getHttpClient();
     }