Add next workflow to SDK (#476)

Author: SecondeJK

src/Verify2/Client.php

@@ -5,6 +5,7 @@
 use Vonage\Client\APIClient;
 use Vonage\Client\APIResource;
 use Vonage\Client\Exception\Exception;
+use Vonage\Client\Exception\Request;
 use Vonage\Verify2\Request\BaseVerifyRequest;
 
 class Client implements APIClient
@@ -30,7 +31,7 @@ public function check(string $requestId, $code): bool
         } catch (Exception $e) {
             // For horrible reasons in the API Error Handler, throw the error unless it's a 409.
             if ($e->getCode() === 409) {
-                throw new \Vonage\Client\Exception\Request('Conflict: The current Verify workflow step does not support a code.');
+                throw new Request('Conflict: The current Verify workflow step does not support a code.');
             }
 
             throw $e;
@@ -45,4 +46,11 @@ public function cancelRequest(string $requestId): bool
 
         return true;
     }
-}
+
+    public function nextWorkflow(string $requestId): bool
+    {
+        $this->api->create([], '/' . $requestId . '/next_workflow');
+
+        return true;
+    }
+}

test/Verify2/ClientTest.php

@@ -673,6 +673,28 @@ public function testWillCancelVerification(): void
         $this->assertTrue($result);
     }
 
+    public function testWillHandleNextWorkflow(): void
+    {
+        $requestId = 'c11236f4-00bf-4b89-84ba-88b25df97315';
+
+        $this->vonageClient->send(Argument::that(function (Request $request) {
+            $uri = $request->getUri();
+            $uriString = $uri->__toString();
+            $this->assertEquals(
+                'https://api.nexmo.com/v2/verify/c11236f4-00bf-4b89-84ba-88b25df97315/next_workflow',
+                $uriString
+            );
+
+            $this->assertEquals('POST', $request->getMethod());
+
+            return true;
+        }))->willReturn($this->getResponse('verify-next-workflow-success'));
+
+        $result = $this->verify2Client->nextWorkflow($requestId);
+
+        $this->assertTrue($result);
+    }
+
     /**
      * This method gets the fixtures and wraps them in a Response object to mock the API
      */