Hateoas\Tests\HateoasBuilderTest::testCyclicalReferences PHP Метод

    public function testCyclicalReferences()
    {
        $hateoas = HateoasBuilder::create()->build();
        $reference1 = new CircularReference1();
        $reference2 = new CircularReference2();
        $reference1->setReference2($reference2);
        $reference2->setReference1($reference1);
        $this->assertSame(<<<XML
<?xml version="1.0" encoding="UTF-8"?>
<result>
  <name><![CDATA[reference1]]></name>
  <entry rel="reference2">
    <name><![CDATA[reference2]]></name>
    <entry rel="reference1"/>
  </entry>
</result>

XML
, $hateoas->serialize($reference1, 'xml'));
        $this->assertSame('{' . '"name":"reference1",' . '"_embedded":{' . '"reference2":{' . '"name":"reference2",' . '"_embedded":{' . '"reference1":null' . '}' . '}' . '}' . '}', $hateoas->serialize($reference1, 'json'));
    }