Sibyx/phpGPX

<?php
/**
 * @author            Jakub Dubec <jakub.dubec@gmail.com>
 */

namespace UnitTests\phpGPX\Parsers;

use phpGPX\Models\Summarizable;
use PHPUnit\Framework\TestCase;

abstract class AbstractParserTest extends TestCase
{
    /**
     * @var \SimpleXMLElement
     */
    protected $testXmlFile;

    /**
     * Instance of model holding data for parser.
     * EXAMPLE: model phpGPX\Models\Bounds belongs to parser phpGPX\Parsers\BoundsParser
     * @var Summarizable
     */
    protected $testModelInstance;

    /**
     * Full name with namespace for models class.
     * EXAMPLE: phpGPX\Models\Bounds
     * @var string
     */
    protected $testModelClass;

    /**
     * Full name with namespace for parser class.
     * EXAMPLE: phpGPX\Parsers\BoundsParser
     * @var string
     */
    protected $testParserClass;

    protected function setUp(): void
    {
        $reflection = new \ReflectionClass($this->testParserClass);

        $this->testXmlFile = simplexml_load_file(sprintf("%s/%sTest.xml", __DIR__, $reflection->getShortName()));
    }

    abstract public function testParse();

    /**
     * Returns output of ::toXML method of tested parser.
     * @depends testParse
     * @param \DOMDocument $document
     * @return \DOMElement
     */
    abstract protected function convertToXML(\DOMDocument $document);

    public function testToXML()
    {
        $document = new \DOMDocument("1.0", 'UTF-8');

        $root = $document->createElement("document");
        $root->appendChild($this->convertToXML($document));

        $document->appendChild($root);

        $this->assertXmlStringEqualsXmlString($this->testXmlFile->asXML(), $document->saveXML());
    }

    public function testToJSON()
    {
        $reflection = new \ReflectionClass($this->testParserClass);

        $this->assertJsonStringEqualsJsonFile(
            sprintf("%s/%sTest.json", __DIR__, $reflection->getShortName()),
            json_encode($this->testModelInstance->toArray())
        );
    }
}