feature symfony#59929 [RateLimiter] Add CompoundRateLimiterFactory (kbond)

This PR was merged into the 7.3 branch.

Discussion
----------

[RateLimiter] Add `CompoundRateLimiterFactory`

| Q             | A
| ------------- | ---
| Branch?       | 7.3
| Bug fix?      | no
| New feature?  | yes
| Deprecations? | no
| Issues        | symfony#59925
| License       | MIT

First step for symfony#59925.

Commits
-------

aae5b46 [RateLimiter] add `CompoundRateLimiterFactory`

Author: fabpot

src/Symfony/Component/RateLimiter/CHANGELOG.md

@@ -5,6 +5,7 @@ CHANGELOG
 ---
 
  * Add `RateLimiterFactoryInterface`
+ * Add `CompoundRateLimiterFactory`
 
 6.4
 ---

src/Symfony/Component/RateLimiter/CompoundRateLimiterFactory.php

@@ -0,0 +1,36 @@
+<?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\RateLimiter;
+
+/**
+ * @author Kevin Bond <[email protected]>
+ */
+final class CompoundRateLimiterFactory implements RateLimiterFactoryInterface
+{
+    /**
+     * @param iterable<RateLimiterFactoryInterface> $rateLimiterFactories
+     */
+    public function __construct(private iterable $rateLimiterFactories)
+    {
+    }
+
+    public function create(?string $key = null): LimiterInterface
+    {
+        $rateLimiters = [];
+
+        foreach ($this->rateLimiterFactories as $rateLimiterFactory) {
+            $rateLimiters[] = $rateLimiterFactory->create($key);
+        }
+
+        return new CompoundLimiter($rateLimiters);
+    }
+}

src/Symfony/Component/RateLimiter/Tests/CompoundRateLimiterFactoryTest.php

@@ -0,0 +1,41 @@
+<?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\RateLimiter\Tests;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\RateLimiter\CompoundLimiter;
+use Symfony\Component\RateLimiter\CompoundRateLimiterFactory;
+use Symfony\Component\RateLimiter\LimiterInterface;
+use Symfony\Component\RateLimiter\RateLimiterFactoryInterface;
+
+class CompoundRateLimiterFactoryTest extends TestCase
+{
+    public function testCreate()
+    {
+        $factory1 = $this->createMock(RateLimiterFactoryInterface::class);
+        $factory1
+            ->method('create')
+            ->with('foo')
+            ->willReturn($this->createMock(LimiterInterface::class))
+        ;
+        $factory2 = $this->createMock(RateLimiterFactoryInterface::class);
+        $factory2
+            ->method('create')
+            ->with('foo')
+            ->willReturn($this->createMock(LimiterInterface::class))
+        ;
+
+        $compoundFactory = new CompoundRateLimiterFactory([$factory1, $factory2]);
+
+        $this->assertInstanceOf(CompoundLimiter::class, $compoundFactory->create('foo'));
+    }
+}