GrapgQL-129: Add composer dependency and fix codestyle issues

Author: pfantini

app/code/Magento/CustomerGraphQl/Model/Resolver/Customer/Account/GenerateCustomerToken.php

@@ -7,22 +7,17 @@
 
 namespace Magento\CustomerGraphQl\Model\Resolver\Customer\Account;
 
-use Magento\Authorization\Model\UserContextInterface;
 use Magento\Integration\Api\CustomerTokenServiceInterface;
-use Magento\Customer\Model\Customer;
 use Magento\Framework\GraphQl\Config\Element\Field;
 use Magento\Framework\GraphQl\Exception\GraphQlAuthorizationException;
+use Magento\Framework\Exception\AuthenticationException;
 use Magento\Framework\GraphQl\Query\Resolver\Value;
 use Magento\Framework\GraphQl\Query\Resolver\ValueFactory;
 use Magento\Framework\GraphQl\Query\ResolverInterface;
 use Magento\Framework\GraphQl\Schema\Type\ResolveInfo;
 
 class GenerateCustomerToken implements ResolverInterface
 {
-    /**
-     * @var UserContextInterface
-     */
-    private $userContext;
 
     /**
      * @var CustomerTokenServiceInterface
@@ -35,18 +30,15 @@ class GenerateCustomerToken implements ResolverInterface
     private $valueFactory;
 
     /**
-     * @param UserContextInterface          $userContext
      * @param CustomerTokenServiceInterface $customerTokenService
-     * @param ValueFactory                  $valueFactory
+     * @param ValueFactory $valueFactory
      */
     public function __construct(
-        UserContextInterface $userContext,
         CustomerTokenServiceInterface $customerTokenService,
         ValueFactory $valueFactory
     ) {
-        $this->userContext          = $userContext;
         $this->customerTokenService = $customerTokenService;
-        $this->valueFactory         = $valueFactory;
+        $this->valueFactory = $valueFactory;
     }
 
     /**
@@ -65,7 +57,7 @@ public function resolve(
                 return !empty($token) ? $token : '';
             };
             return $this->valueFactory->create($result);
-        }catch (\Magento\Framework\Exception\AuthenticationException $e){
+        } catch (AuthenticationException $e) {
             throw new GraphQlAuthorizationException(
                 __($e->getMessage())
             );

app/code/Magento/CustomerGraphQl/composer.json

@@ -6,6 +6,7 @@
     "php": "~7.1.3||~7.2.0",
     "magento/module-customer": "*",
     "magento/module-authorization": "*",
+    "magento/module-integration": "*",
     "magento/framework": "*"
   },
   "suggest": {

dev/tests/api-functional/testsuite/Magento/GraphQl/Customer/GenerateCustomerTokenTest.php

@@ -59,8 +59,8 @@ public function testGenerateCustomerTokenWithInvalidCredentials()
 MUTATION;
 
         $this->expectException(\Exception::class);
-        $this->expectExceptionMessage('GraphQL response contains errors: ' .
-            'The account sign-in was incorrect or your account is disabled temporarily. Please wait and try again later.');
+        $this->expectExceptionMessage('GraphQL response contains errors: The account sign-in' . ' ' .
+            'was incorrect or your account is disabled temporarily. Please wait and try again later.');
         $this->graphQlQuery($mutation);
     }
 }