Merge pull request hkulekci#27 from hkulekci/metrics-endpoint

response class parser changed for metrics endpoint which returns text…

Author: hkulekci

src/Endpoints/Service.php

@@ -36,7 +36,7 @@ public function telemetry(bool $anonymize): Response
     public function metrics(bool $anonymize): Response
     {
         return $this->client->execute(
-            $this->createRequest('POST', '/metrics' . ($anonymize ? '?anonymize=true' : ''))
+            $this->createRequest('GET', '/metrics' . ($anonymize ? '?anonymize=true' : ''))
         );
     }
 

src/Response.php

@@ -27,7 +27,14 @@ class Response implements ArrayAccess
     public function __construct(ResponseInterface $response)
     {
         $this->response = $response;
-        $this->raw = json_decode($response->getBody()->getContents(), true, 512, JSON_THROW_ON_ERROR);
+
+        if ($response->getHeaderLine('content-type') === 'application/json') {
+            $this->raw = json_decode($response->getBody()->getContents(), true, 512, JSON_THROW_ON_ERROR);
+        } else {
+            $this->raw = [
+                'content' => $response->getBody()->getContents()
+            ];
+        }
 
         if ($this->response->getStatusCode() >= 400 && $this->response->getStatusCode() < 500) {
             throw (new InvalidArgumentException($this->raw['status']['error'] ?? 'Invalid argument exception'))->setResponse($this);

tests/Integration/Endpoints/ServiceTest.php

@@ -29,6 +29,20 @@ public function testServiceTelemetry(): void
         $this->assertArrayHasKey('id', $response['result']);
     }
 
+    /**
+     * @throws InvalidArgumentException
+     */
+    public function testServiceMetrics(): void
+    {
+        $service = new Service($this->client);
+        $response = $service->metrics(false);
+
+        $this->assertStringContainsString('app_info', $response['content']);
+        $this->assertStringContainsString('cluster_enabled', $response['content']);
+        $this->assertStringContainsString('collections_total', $response['content']);
+        $this->assertStringContainsString('rest_responses_', $response['content']);
+    }
+
     /**
      * @throws InvalidArgumentException
      */