bug #38635 [Cache] Use correct expiry in ChainAdapter (Nyholm)

This PR was squashed before being merged into the 4.4 branch.

Discussion
----------

[Cache] Use correct expiry in ChainAdapter

| Q             | A
| ------------- | ---
| Branch?       | 4.4
| Bug fix?      | yes
| New feature?  | no
| Deprecations? | no
| Tickets       | Fix #38632
| License       | MIT
| Doc PR        | n/a

When we are syncing the chain, Let's use expiry if we have it. If not, fallback to defaultLifetime.

TODO:
- [x] Add tests

Commits
-------

17e0167 [Cache] Use correct expiry in ChainAdapter

src/Symfony/Component/Cache/Adapter/ChainAdapter.php

@@ -73,7 +73,9 @@ static function ($sourceItem, $item, $sourceMetadata = null) use ($defaultLifeti
                 $item->isHit = $sourceItem->isHit;
                 $item->metadata = $item->newMetadata = $sourceItem->metadata = $sourceMetadata;
 
-                if (0 < $defaultLifetime) {
+                if (isset($item->metadata[CacheItem::METADATA_EXPIRY])) {
+                    $item->expiresAt(\DateTime::createFromFormat('U.u', $item->metadata[CacheItem::METADATA_EXPIRY]));
+                } elseif (0 < $defaultLifetime) {
                     $item->expiresAfter($defaultLifetime);
                 }
 

src/Symfony/Component/Cache/Tests/Adapter/ChainAdapterTest.php

@@ -16,8 +16,10 @@
 use Symfony\Component\Cache\Adapter\ArrayAdapter;
 use Symfony\Component\Cache\Adapter\ChainAdapter;
 use Symfony\Component\Cache\Adapter\FilesystemAdapter;
+use Symfony\Component\Cache\CacheItem;
 use Symfony\Component\Cache\Tests\Fixtures\ExternalAdapter;
 use Symfony\Component\Cache\Tests\Fixtures\PrunableAdapter;
+use Symfony\Contracts\Cache\ItemInterface;
 
 /**
  * @author Kévin Dunglas <dunglas@gmail.com>
@@ -34,6 +36,11 @@ public function createCachePool(int $defaultLifetime = 0, string $testMethod = n
         return new ChainAdapter([new ArrayAdapter($defaultLifetime), new ExternalAdapter($defaultLifetime), new FilesystemAdapter('', $defaultLifetime)], $defaultLifetime);
     }
 
+    public static function tearDownAfterClass(): void
+    {
+        FilesystemAdapterTest::rmdir(sys_get_temp_dir().'/symfony-cache');
+    }
+
     public function testEmptyAdaptersException()
     {
         $this->expectException('Symfony\Component\Cache\Exception\InvalidArgumentException');
@@ -187,6 +194,48 @@ public function testMultipleCachesExpirationWhenCommonTtlIsSet()
         $this->assertFalse($item->isHit());
     }
 
+    public function testExpirationOnAllAdapters()
+    {
+        if (isset($this->skippedTests[__FUNCTION__])) {
+            $this->markTestSkipped($this->skippedTests[__FUNCTION__]);
+        }
+
+        $itemValidator = function (CacheItem $item) {
+            $refl = new \ReflectionObject($item);
+            $propExpiry = $refl->getProperty('expiry');
+            $propExpiry->setAccessible(true);
+            $expiry = $propExpiry->getValue($item);
+            $this->assertGreaterThan(10, $expiry - time(), 'Item should be saved with the given ttl, not the default for the adapter.');
+
+            return true;
+        };
+
+        $adapter1 = $this->getMockBuilder(FilesystemAdapter::class)
+            ->setConstructorArgs(['', 2])
+            ->setMethods(['save'])
+            ->getMock();
+        $adapter1->expects($this->once())
+            ->method('save')
+            ->with($this->callback($itemValidator))
+            ->willReturn(true);
+
+        $adapter2 = $this->getMockBuilder(FilesystemAdapter::class)
+            ->setConstructorArgs(['', 4])
+            ->setMethods(['save'])
+            ->getMock();
+        $adapter2->expects($this->once())
+            ->method('save')
+            ->with($this->callback($itemValidator))
+            ->willReturn(true);
+
+        $cache = new ChainAdapter([$adapter1, $adapter2], 6);
+        $cache->get('test_key', function (ItemInterface $item) {
+            $item->expiresAfter(15);
+
+            return 'chain';
+        });
+    }
+
     private function getPruneableMock(): AdapterInterface
     {
         $pruneable = $this->createMock(PrunableAdapter::class);