--- /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\Loader;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\Serializer\Mapping\Loader\YamlFileLoader;
+use Symfony\Component\Serializer\Mapping\ClassMetadata;
+use Symfony\Component\Serializer\Tests\Mapping\TestClassMetadataFactory;
+
+/**
+ * @author Kévin Dunglas <dunglas@gmail.com>
+ */
+class YamlFileLoaderTest extends TestCase
+{
+ /**
+ * @var YamlFileLoader
+ */
+ private $loader;
+ /**
+ * @var ClassMetadata
+ */
+ private $metadata;
+
+ protected function setUp()
+ {
+ $this->loader = new YamlFileLoader(__DIR__.'/../../Fixtures/serialization.yml');
+ $this->metadata = new ClassMetadata('Symfony\Component\Serializer\Tests\Fixtures\GroupDummy');
+ }
+
+ public function testInterface()
+ {
+ $this->assertInstanceOf('Symfony\Component\Serializer\Mapping\Loader\LoaderInterface', $this->loader);
+ }
+
+ public function testLoadClassMetadataReturnsTrueIfSuccessful()
+ {
+ $this->assertTrue($this->loader->loadClassMetadata($this->metadata));
+ }
+
+ public function testLoadClassMetadataReturnsFalseWhenEmpty()
+ {
+ $loader = new YamlFileLoader(__DIR__.'/../../Fixtures/empty-mapping.yml');
+ $this->assertFalse($loader->loadClassMetadata($this->metadata));
+ }
+
+ /**
+ * @expectedException \Symfony\Component\Serializer\Exception\MappingException
+ */
+ public function testLoadClassMetadataReturnsThrowsInvalidMapping()
+ {
+ $loader = new YamlFileLoader(__DIR__.'/../../Fixtures/invalid-mapping.yml');
+ $loader->loadClassMetadata($this->metadata);
+ }
+
+ public function testLoadClassMetadata()
+ {
+ $this->loader->loadClassMetadata($this->metadata);
+
+ $this->assertEquals(TestClassMetadataFactory::createXmlCLassMetadata(), $this->metadata);
+ }
+}