WriterTest.php

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<?php

namespace Sabre\VObject;

use PHPUnit\Framework\TestCase;

class WriterTest extends TestCase {

    function getComponent() {

        $data = "BEGIN:VCALENDAR\r\nEND:VCALENDAR";
        return Reader::read($data);

    }

    function testWriteToMimeDir() {

        $result = Writer::write($this->getComponent());
        $this->assertEquals("BEGIN:VCALENDAR\r\nEND:VCALENDAR\r\n", $result);

    }

    function testWriteToJson() {

        $result = Writer::writeJson($this->getComponent());
        $this->assertEquals('["vcalendar",[],[]]', $result);

    }

    function testWriteToXml() {

        $result = Writer::writeXml($this->getComponent());
        $this->assertEquals(
            '<?xml version="1.0" encoding="UTF-8"?>' . "\n" .
            '<icalendar xmlns="urn:ietf:params:xml:ns:icalendar-2.0">' . "\n" .
            ' <vcalendar/>' . "\n" .
            '</icalendar>' . "\n",
            $result
        );

    }

}