--- /dev/null
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Serializer\Tests\Mapping\Factory;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\Cache\Adapter\ArrayAdapter;
+use Symfony\Component\Serializer\Mapping\ClassMetadata;
+use Symfony\Component\Serializer\Mapping\Factory\ClassMetadataFactoryInterface;
+use Symfony\Component\Serializer\Mapping\Factory\CacheClassMetadataFactory;
+use Symfony\Component\Serializer\Tests\Fixtures\Dummy;
+
+/**
+ * @author Kévin Dunglas <dunglas@gmail.com>
+ */
+class CacheMetadataFactoryTest extends TestCase
+{
+ public function testGetMetadataFor()
+ {
+ $metadata = new ClassMetadata(Dummy::class);
+
+ $decorated = $this->getMockBuilder(ClassMetadataFactoryInterface::class)->getMock();
+ $decorated
+ ->expects($this->once())
+ ->method('getMetadataFor')
+ ->will($this->returnValue($metadata))
+ ;
+
+ $factory = new CacheClassMetadataFactory($decorated, new ArrayAdapter());
+
+ $this->assertEquals($metadata, $factory->getMetadataFor(Dummy::class));
+ // The second call should retrieve the value from the cache
+ $this->assertEquals($metadata, $factory->getMetadataFor(Dummy::class));
+ }
+
+ public function testHasMetadataFor()
+ {
+ $decorated = $this->getMockBuilder(ClassMetadataFactoryInterface::class)->getMock();
+ $decorated
+ ->expects($this->once())
+ ->method('hasMetadataFor')
+ ->will($this->returnValue(true))
+ ;
+
+ $factory = new CacheClassMetadataFactory($decorated, new ArrayAdapter());
+
+ $this->assertTrue($factory->hasMetadataFor(Dummy::class));
+ }
+
+ /**
+ * @expectedException \Symfony\Component\Serializer\Exception\InvalidArgumentException
+ */
+ public function testInvalidClassThrowsException()
+ {
+ $decorated = $this->getMockBuilder(ClassMetadataFactoryInterface::class)->getMock();
+ $factory = new CacheClassMetadataFactory($decorated, new ArrayAdapter());
+
+ $factory->getMetadataFor('Not\Exist');
+ }
+}