Implement a PSR-18 compliant client stub

Author: Jean85

spec/HttpClientDiscoverySpec.php

@@ -12,6 +12,9 @@
 use Puli\Repository\Api\ResourceRepository;
 use PhpSpec\ObjectBehavior;
 use spec\Http\Discovery\Helper\DiscoveryHelper;
+use Http\Discovery\HttpClientDiscovery;
+use spec\Http\Discovery\Stub\HttpClientStub;
+use spec\Http\Discovery\Stub\PSR18ClientStub;
 
 class HttpClientDiscoverySpec extends ObjectBehavior
 {
@@ -23,23 +26,34 @@ function let()
 
     function it_is_initializable()
     {
-        $this->shouldHaveType('Http\Discovery\HttpClientDiscovery');
+        $this->shouldHaveType(HttpClientDiscovery::class);
     }
 
     function it_is_a_class_discovery()
     {
-        $this->shouldHaveType('Http\Discovery\ClassDiscovery');
+        $this->shouldHaveType(ClassDiscovery::class);
     }
 
-    function it_finds_a_http_client(DiscoveryStrategy $strategy) {
+    function it_finds_a_http_client(DiscoveryStrategy $strategy) 
+    {
+        $candidate = ['class' => HttpClientStub::class, 'condition' => true];
+        if ($this->psr18IsInUse()) {
+            $candidate['class'] = PSR18ClientStub::class;
+        }
 
-        $candidate = ['class' => 'spec\Http\Discovery\Stub\HttpClientStub', 'condition' => true];
         DiscoveryHelper::setClasses(HttpClient::class, [$candidate]);
 
-        $this->find()->shouldImplement('Http\Client\HttpClient');
+        $this->find()->shouldImplement(HttpClient::class);
     }
 
     function it_throw_exception(DiscoveryStrategy $strategy) {
         $this->shouldThrow(NotFoundException::class)->duringFind();
     }
+
+    private function psr18IsInUse()
+    {
+        $reflection = new \ReflectionMethod(HttpClient::class, 'sendRequest');
+        
+        return $reflection->hasReturnType();
+    }
 }

spec/Stub/PSR18ClientStub.php

@@ -0,0 +1,14 @@
+<?php
+
+namespace spec\Http\Discovery\Stub;
+
+use Http\Client\HttpClient;
+use Psr\Http\Message\RequestInterface;
+use Psr\Http\Message\ResponseInterface;
+
+class PSR18ClientStub implements HttpClient
+{
+    public function sendRequest(RequestInterface $request): ResponseInterface
+    {
+    }
+}