[12.x] Fixing MemoizedStore with Redis Cluster (#57828)

* [12.x] replace flushAll with flushDb in MemoizedStoreTest

* [12.x] many for RedisStore

* Update RedisStore.php

---------

Co-authored-by: Taylor Otwell <taylor@laravel.com>

Author: vadimonus

src/Illuminate/Cache/RedisStore.php

@@ -14,6 +14,7 @@
 class RedisStore extends TaggableStore implements LockProvider
 {
     use RetrievesMultipleKeys {
+        many as private manyAlias;
         putMany as private putManyAlias;
     }
 
@@ -92,6 +93,11 @@ public function many(array $keys)
 
         $connection = $this->connection();
 
+        // PredisClusterConnection does not support reading multiple values if the keys hash differently...
+        if ($connection instanceof PredisClusterConnection) {
+            return $this->manyAlias($keys);
+        }
+
         $values = $connection->mget(array_map(function ($key) {
             return $this->prefix.$key;
         }, $keys));

tests/Integration/Cache/MemoizedStoreTest.php

@@ -13,8 +13,6 @@
 use Illuminate\Cache\Events\WritingKey;
 use Illuminate\Contracts\Cache\Store;
 use Illuminate\Foundation\Testing\Concerns\InteractsWithRedis;
-use Illuminate\Redis\Connections\PhpRedisClusterConnection;
-use Illuminate\Redis\Connections\PredisClusterConnection;
 use Illuminate\Support\Facades\Cache;
 use Illuminate\Support\Facades\Config;
 use Illuminate\Support\Facades\Event;
@@ -33,14 +31,9 @@ protected function setUp(): void
 
         $this->setUpRedis();
 
-        $connection = $this->app['redis']->connection();
-        $this->markTestSkippedWhen(
-            $connection instanceof PhpRedisClusterConnection || $connection instanceof PredisClusterConnection,
-            'flushAll and many currently not supported for Redis Cluster connections',
-        );
-
         Config::set('cache.default', 'redis');
-        Redis::flushAll();
+        Redis::connection(Config::get('cache.stores.redis.connection'))->flushDb();
+        Redis::connection(Config::get('cache.stores.redis.lock_connection'))->flushDb();
     }
 
     protected function tearDown(): void