Sibyx/phpGPX

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

namespace UnitTests\phpGPX\Helpers;

use phpGPX\Helpers\DateTimeHelper;
use phpGPX\Models\Point;
use PHPUnit\Framework\TestCase;

class DateTimeHelperTest extends TestCase
{
    public function testComparePointsByTimestamp()
    {
        // 2017-08-12T20:16:29+00:00
        $point1 = new Point(Point::WAYPOINT);
        $time1 = new \DateTime("2017-08-12T20:16:29+00:00", new \DateTimeZone("UTC"));
        $point1->time = $time1;

        // 2017-08-12T20:15:19+00:00
        $point2 = new Point(Point::WAYPOINT);
        $time2 = new \DateTime("2017-08-12T20:15:19+00:00", new \DateTimeZone("UTC"));
        $point2->time = $time2;

        $this->assertTrue(($time1 > $time2) && DateTimeHelper::comparePointsByTimestamp($point1, $point2));
    }

    public function testFormatDateTime()
    {
        // 1. Basic test
        $datetime = new \DateTime("2017-08-12T20:16:29+00:00");

        $this->assertEquals(
            $datetime->format("Y-m-d H:i:s"),
            DateTimeHelper::formatDateTime($datetime, "Y-m-d H:i:s")
        );

        // 2. NULL value
        $datetime = null;

        $this->assertNull(DateTimeHelper::formatDateTime($datetime), "NULL input");

        // 3. Empty string
        $datetime = "";

        $this->assertNull(DateTimeHelper::formatDateTime($datetime), "Empty string input");

        // 4. Timezone
        $datetime = new \DateTime("2017-08-12T20:16:29+00:00");

        $this->assertEquals(
            "2017-08-12 21:16:29",
            DateTimeHelper::formatDateTime($datetime, "Y-m-d H:i:s", '+01:00')
        );
    }

    public function testParseDateTime()
    {
        // 1. Valid string
        $this->assertEquals(
            new \DateTime("2017-08-12T20:16:29+00:00"),
            DateTimeHelper::parseDateTime("2017-08-12T20:16:29+00:00")
        );
    }

    public function testParseDateTimeInvalidInput()
    {
        $this->expectException("Exception");
        DateTimeHelper::parseDateTime("Invalid exception");
    }
}