feature symfony#58109 [Lock] Add NullStore (xabbuh)

This PR was merged into the 7.2 branch.

Discussion
----------

[Lock] Add `NullStore`

| Q             | A
| ------------- | ---
| Branch?       | 7.2
| Bug fix?      | no
| New feature?  | yes
| Deprecations? | no
| Issues        |
| License       | MIT

Commits
-------

dd0721a add NullStore

Author: nicolas-grekas

src/Symfony/Component/Lock/CHANGELOG.md

@@ -1,6 +1,11 @@
 CHANGELOG
 =========
 
+7.2
+---
+
+ * Add `NullStore`
+
 7.0
 ---
 

src/Symfony/Component/Lock/Store/NullStore.php

@@ -0,0 +1,43 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <[email protected]>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Lock\Store;
+
+use Symfony\Component\Lock\BlockingSharedLockStoreInterface;
+use Symfony\Component\Lock\Key;
+
+class NullStore implements BlockingSharedLockStoreInterface
+{
+    public function save(Key $key): void
+    {
+    }
+
+    public function delete(Key $key): void
+    {
+    }
+
+    public function exists(Key $key): bool
+    {
+        return false;
+    }
+
+    public function putOffExpiration(Key $key, float $ttl): void
+    {
+    }
+
+    public function saveRead(Key $key): void
+    {
+    }
+
+    public function waitAndSaveRead(Key $key): void
+    {
+    }
+}

src/Symfony/Component/Lock/Store/StoreFactory.php

@@ -106,6 +106,9 @@ public static function createStore(#[\SensitiveParameter] object|string $connect
 
             case 'in-memory' === $connection:
                 return new InMemoryStore();
+
+            case 'null' === $connection:
+                return new NullStore();
         }
 
         throw new InvalidArgumentException(\sprintf('Unsupported Connection: "%s".', $connection));

src/Symfony/Component/Lock/Tests/Store/StoreFactoryTest.php

@@ -20,6 +20,7 @@
 use Symfony\Component\Lock\Store\FlockStore;
 use Symfony\Component\Lock\Store\InMemoryStore;
 use Symfony\Component\Lock\Store\MemcachedStore;
+use Symfony\Component\Lock\Store\NullStore;
 use Symfony\Component\Lock\Store\PdoStore;
 use Symfony\Component\Lock\Store\PostgreSqlStore;
 use Symfony\Component\Lock\Store\RedisStore;
@@ -92,5 +93,7 @@ public static function validConnections(): \Generator
 
         yield ['flock', FlockStore::class];
         yield ['flock://'.sys_get_temp_dir(), FlockStore::class];
+
+        yield ['null', NullStore::class];
     }
 }