Do not force to have a client installed (#10)

* Do not force to have a client installed

* Update what packages to require

Author: Nyholm

composer.json

@@ -20,7 +20,7 @@
         "php": "^7.0",
         "phpunit/phpunit": "^6.1",
         "psr/http-message-implementation": "^1.0",
-        "willdurand/geocoder": "^4.0",
+        "geocoder-php/google-maps-provider": "^4.0",
         "php-http/mock-client": "^1.0",
         "nyholm/psr7": "^0.2.2"
     },

src/ProviderIntegrationTest.php

@@ -90,7 +90,16 @@ private function getHttpClient(ResponseInterface $response)
      */
     private function getCachedHttpClient()
     {
-        $client = HttpClientDiscovery::find();
+        try {
+            $client = HttpClientDiscovery::find();
+        } catch (\Http\Discovery\NotFoundException $e) {
+            $client = $this->getMockForAbstractClass(HttpClient::class);
+
+            $client
+                ->expects($this->any())
+                ->method('sendRequest')
+                ->willThrowException($e);
+        }
 
         return new CachedResponseClient($client, $this->getCacheDir(), $this->getApiKey());
     }