YamlTest.php

<?php

declare (strict_types=1);
namespace Drupal\Tests\Component\Serialization;

use Drupal\Component\Serialization\Exception\InvalidDataTypeException;
use Drupal\Component\Serialization\Yaml;

/**
 * Tests the Yaml serialization implementation.
 *
 * @group Drupal
 * @group Serialization
 * @coversDefaultClass \Drupal\Component\Serialization\Yaml
 */
class YamlTest extends YamlTestBase {
    
    /**
     * Tests encoding and decoding basic data structures.
     *
     * @covers ::encode
     * @covers ::decode
     * @dataProvider providerEncodeDecodeTests
     */
    public function testEncodeDecode(array $data) : void {
        $this->assertSame($data, Yaml::decode(Yaml::encode($data)));
    }
    
    /**
     * Tests decoding YAML node anchors.
     *
     * @covers ::decode
     * @dataProvider providerDecodeTests
     */
    public function testDecode($string, $data) : void {
        $this->assertSame($data, Yaml::decode($string));
    }
    
    /**
     * Tests our encode settings.
     *
     * @covers ::encode
     */
    public function testEncode() : void {
        // cSpell:disable
        $this->assertSame('foo:
  bar: \'Lorem ipsum dolor sit amet, consectetur adipiscing elit. Vivamus sapien ex, venenatis vitae nisi eu, posuere luctus dolor. Nullam convallis\'
', Yaml::encode([
            'foo' => [
                'bar' => 'Lorem ipsum dolor sit amet, consectetur adipiscing elit. Vivamus sapien ex, venenatis vitae nisi eu, posuere luctus dolor. Nullam convallis',
            ],
        ]));
        // cSpell:enable
    }
    
    /**
     * @covers ::getFileExtension
     */
    public function testGetFileExtension() : void {
        $this->assertSame('yml', Yaml::getFileExtension());
    }
    
    /**
     * Tests that invalid YAML throws an exception.
     *
     * @covers ::decode
     */
    public function testError() : void {
        $this->expectException(InvalidDataTypeException::class);
        Yaml::decode('foo: [ads');
    }
    
    /**
     * Ensures that php object support is disabled.
     *
     * @covers ::encode
     */
    public function testEncodeObjectSupportDisabled() : void {
        $this->expectException(InvalidDataTypeException::class);
        $this->expectExceptionMessage('Object support when dumping a YAML file has been disabled.');
        $object = new \stdClass();
        $object->foo = 'bar';
        Yaml::encode([
            $object,
        ]);
    }
    
    /**
     * Ensures that decoding PHP objects does not work in Symfony.
     *
     * @covers ::decode
     */
    public function testDecodeObjectSupportDisabled() : void {
        $this->expectException(InvalidDataTypeException::class);
        $this->expectExceptionMessageMatches('/^Object support when parsing a YAML file has been disabled/');
        $yaml = <<<YAML
obj: !php/object "O:8:\\"stdClass\\":1:{s:3:\\"foo\\";s:3:\\"bar\\";}"
YAML;
        Yaml::decode($yaml);
    }

}