B2B-2451: Implement GraphQL Resolver Cache for CMS Page Type

Author: danmooney2

dev/tests/api-functional/testsuite/Magento/CmsGraphQl/Model/Resolver/PageTest.php

@@ -17,6 +17,7 @@
 use Magento\GraphQlCache\Model\Cache\Query\Resolver\Result\Type as GraphQlCache;
 use Magento\GraphQlCache\Model\CacheId\CacheIdCalculator;
 use Magento\Integration\Api\CustomerTokenServiceInterface;
+use Magento\Store\Model\StoreManagerInterface;
 use Magento\TestFramework\ObjectManager;
 use Magento\TestFramework\TestCase\GraphQl\ResponseContainsErrorsException;
 use Magento\TestFramework\TestCase\GraphQlAbstract;
@@ -56,6 +57,11 @@ class PageTest extends GraphQlAbstract
      */
     private $cacheState;
 
+    /**
+     * @var StoreManagerInterface
+     */
+    private $storeManager;
+
     /**
      * @var bool
      */
@@ -69,6 +75,7 @@ protected function setUp(): void
         $this->pageRepository = $objectManager->get(PageRepository::class);
         $this->searchCriteriaBuilder = $objectManager->get(SearchCriteriaBuilder::class);
         $this->customerTokenService = $objectManager->get(CustomerTokenServiceInterface::class);
+        $this->storeManager = $objectManager->get(StoreManagerInterface::class);
 
         $this->cacheState = $objectManager->get(CacheState::class);
         $this->originalCacheStateEnabledStatus = $this->cacheState->isEnabled(GraphQlCache::TYPE_IDENTIFIER);
@@ -396,6 +403,44 @@ public function testCmsPageResolverCacheDoesNotSaveNonExistentCmsPage()
         );
     }
 
+    /**
+     * @magentoConfigFixture default/system/full_page_cache/caching_application 2
+     * @magentoDataFixture Magento/Store/_files/second_store.php
+     * @magentoDataFixture Magento/Cms/Fixtures/page_list.php
+     * @return void
+     */
+    public function testCmsResolverCacheIsInvalidatedAfterSwitchingStoreView()
+    {
+        /** @var \Magento\Cms\Model\Page $page */
+        $page = $this->getPageByTitle('Page with 1column layout');
+
+        // query first page in default store and assert cache entry is created; use default store header
+        $query = $this->getQuery($page->getIdentifier());
+
+        $response = $this->graphQlQueryWithResponseHeaders(
+            $query
+        );
+
+        $cacheIdentityString = $this->getResolverCacheKeyFromResponseAndPage(
+            $response,
+            $page
+        );
+
+        $this->assertIsNumeric(
+            $this->graphqlCache->test($cacheIdentityString)
+        );
+
+        // change store id of page
+        $secondStoreViewId = $this->storeManager->getStore('fixture_second_store')->getId();
+        $page->setStoreId($secondStoreViewId);
+        $this->pageRepository->save($page);
+
+        // assert cache entry is invalidated
+        $this->assertFalse(
+            $this->graphqlCache->test($cacheIdentityString)
+        );
+    }
+
     /**
      * Test that resolver cache is saved with default TTL
      *