Async fix (#44179)

* async pass

* add test

* Apply fixes from StyleCI

Co-authored-by: StyleCI Bot <[email protected]>

Author: taylorotwell

src/Illuminate/Http/Client/PendingRequest.php

@@ -42,6 +42,13 @@ class PendingRequest
      */
     protected $client;
 
+    /**
+     * The Guzzle HTTP handler.
+     *
+     * @var callable
+     */
+    protected $handler;
+
     /**
      * The base URL for the request.
      *
@@ -966,9 +973,7 @@ protected function populateResponse(Response $response)
      */
     public function buildClient()
     {
-        return $this->requestsReusableClient()
-               ? $this->getReusableClient()
-               : $this->createClient($this->buildHandlerStack());
+        return $this->client ?? $this->createClient($this->buildHandlerStack());
     }
 
     /**
@@ -1012,7 +1017,7 @@ public function createClient($handlerStack)
      */
     public function buildHandlerStack()
     {
-        return $this->pushHandlers(HandlerStack::create());
+        return $this->pushHandlers(HandlerStack::create($this->handler));
     }
 
     /**
@@ -1278,9 +1283,7 @@ public function setClient(Client $client)
      */
     public function setHandler($handler)
     {
-        $this->client = $this->createClient(
-            $this->pushHandlers(HandlerStack::create($handler))
-        );
+        $this->handler = $handler;
 
         return $this;
     }

tests/Http/HttpClientTest.php

@@ -1139,6 +1139,31 @@ public function testMultipleRequestsAreSentInThePoolWithKeys()
         $this->assertSame(500, $responses['test500']->status());
     }
 
+    public function testMiddlewareRunsInPool()
+    {
+        $this->factory->fake(function (Request $request) {
+            return $this->factory->response('Fake');
+        });
+
+        $history = [];
+
+        $middleware = Middleware::history($history);
+
+        $responses = $this->factory->pool(fn (Pool $pool) => [
+            $pool->withMiddleware($middleware)->post('https://example.com', ['hyped-for' => 'laravel-movie']),
+        ]);
+
+        $response = $responses[0];
+
+        $this->assertSame('Fake', $response->body());
+
+        $this->assertCount(1, $history);
+
+        $this->assertSame('Fake', tap($history[0]['response']->getBody())->rewind()->getContents());
+
+        $this->assertSame(['hyped-for' => 'laravel-movie'], json_decode(tap($history[0]['request']->getBody())->rewind()->getContents(), true));
+    }
+
     public function testTheRequestSendingAndResponseReceivedEventsAreFiredWhenARequestIsSent()
     {
         $events = m::mock(Dispatcher::class);