ENGCOM-5206: GraphQL-676: Test unsubscribe customer #708

 - Merge Pull Request magento/graphql-ce#708 from rafaelstz/graphql-ce:graphql-676
 - Merged commits:
   1. cc13123
   2. 3e8bfd2

Author: magento-engcom-team

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

@@ -7,6 +7,8 @@
 
 namespace Magento\GraphQl\Customer;
 
+use Exception;
+use Magento\Framework\Exception\AuthenticationException;
 use Magento\Integration\Api\CustomerTokenServiceInterface;
 use Magento\Newsletter\Model\SubscriberFactory;
 use Magento\TestFramework\Helper\Bootstrap;
@@ -50,12 +52,12 @@ public function testGetSubscriptionStatusTest()
     }
 }
 QUERY;
-        $response = $this->graphQlQuery($query, [], '', $this->getCustomerAuthHeaders($currentEmail, $currentPassword));
+        $response = $this->graphQlQuery($query, [], '', $this->getHeaderMap($currentEmail, $currentPassword));
         $this->assertFalse($response['customer']['is_subscribed']);
     }
 
     /**
-     * @expectedException \Exception
+     * @expectedException Exception
      * @expectedExceptionMessage The current customer isn't authorized.
      */
     public function testGetSubscriptionStatusIfUserIsNotAuthorizedTest()
@@ -73,7 +75,7 @@ public function testGetSubscriptionStatusIfUserIsNotAuthorizedTest()
     /**
      * @magentoApiDataFixture Magento/Customer/_files/customer.php
      */
-    public function testChangeSubscriptionStatusTest()
+    public function testSubscribeCustomer()
     {
         $currentEmail = 'customer@example.com';
         $currentPassword = 'password';
@@ -95,13 +97,13 @@ public function testChangeSubscriptionStatusTest()
             $query,
             [],
             '',
-            $this->getCustomerAuthHeaders($currentEmail, $currentPassword)
+            $this->getHeaderMap($currentEmail, $currentPassword)
         );
         $this->assertTrue($response['updateCustomer']['customer']['is_subscribed']);
     }
 
     /**
-     * @expectedException \Exception
+     * @expectedException Exception
      * @expectedExceptionMessage The current customer isn't authorized.
      */
     public function testChangeSubscriptionStatuIfUserIsNotAuthorizedTest()
@@ -122,12 +124,39 @@ public function testChangeSubscriptionStatuIfUserIsNotAuthorizedTest()
         $this->graphQlMutation($query);
     }
 
+    /**
+     * @magentoApiDataFixture Magento/Newsletter/_files/subscribers.php
+     */
+    public function testUnsubscribeCustomer()
+    {
+        $currentEmail = 'customer@example.com';
+        $currentPassword = 'password';
+
+        $query = <<<QUERY
+mutation {
+    updateCustomer(
+        input: {
+            is_subscribed: false
+        }
+    ) {
+        customer {
+            is_subscribed
+        }
+    }
+}
+QUERY;
+        $response = $this->graphQlMutation($query, [], '', $this->getHeaderMap($currentEmail, $currentPassword));
+        $this->assertFalse($response['updateCustomer']['customer']['is_subscribed']);
+    }
+
     /**
      * @param string $email
      * @param string $password
+     *
      * @return array
+     * @throws AuthenticationException
      */
-    private function getCustomerAuthHeaders(string $email, string $password): array
+    private function getHeaderMap(string $email, string $password): array
     {
         $customerToken = $this->customerTokenService->createCustomerAccessToken($email, $password);
         return ['Authorization' => 'Bearer ' . $customerToken];