--- /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\Encoder;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\Serializer\Encoder\ChainDecoder;
+
+class ChainDecoderTest extends TestCase
+{
+ const FORMAT_1 = 'format1';
+ const FORMAT_2 = 'format2';
+ const FORMAT_3 = 'format3';
+
+ private $chainDecoder;
+ private $decoder1;
+ private $decoder2;
+
+ protected function setUp()
+ {
+ $this->decoder1 = $this
+ ->getMockBuilder('Symfony\Component\Serializer\Encoder\DecoderInterface')
+ ->getMock();
+
+ $this->decoder1
+ ->method('supportsDecoding')
+ ->will($this->returnValueMap(array(
+ array(self::FORMAT_1, true),
+ array(self::FORMAT_2, false),
+ array(self::FORMAT_3, false),
+ )));
+
+ $this->decoder2 = $this
+ ->getMockBuilder('Symfony\Component\Serializer\Encoder\DecoderInterface')
+ ->getMock();
+
+ $this->decoder2
+ ->method('supportsDecoding')
+ ->will($this->returnValueMap(array(
+ array(self::FORMAT_1, false),
+ array(self::FORMAT_2, true),
+ array(self::FORMAT_3, false),
+ )));
+
+ $this->chainDecoder = new ChainDecoder(array($this->decoder1, $this->decoder2));
+ }
+
+ public function testSupportsDecoding()
+ {
+ $this->assertTrue($this->chainDecoder->supportsDecoding(self::FORMAT_1));
+ $this->assertTrue($this->chainDecoder->supportsDecoding(self::FORMAT_2));
+ $this->assertFalse($this->chainDecoder->supportsDecoding(self::FORMAT_3));
+ }
+
+ public function testDecode()
+ {
+ $this->decoder1->expects($this->never())->method('decode');
+ $this->decoder2->expects($this->once())->method('decode');
+
+ $this->chainDecoder->decode('string_to_decode', self::FORMAT_2);
+ }
+
+ /**
+ * @expectedException \Symfony\Component\Serializer\Exception\RuntimeException
+ */
+ public function testDecodeUnsupportedFormat()
+ {
+ $this->chainDecoder->decode('string_to_decode', self::FORMAT_3);
+ }
+}