Files
michaelschiemer/tests/Framework/DateTime/DateTimeTest.php

139 lines
4.3 KiB
PHP

<?php
declare(strict_types=1);
namespace Tests\Framework\DateTime;
use App\Framework\DateTime\DateTime;
use App\Framework\DateTime\Exceptions\InvalidDateTimeException;
use App\Framework\DateTime\Exceptions\InvalidTimezoneException;
use PHPUnit\Framework\TestCase;
class DateTimeTest extends TestCase
{
protected function setUp(): void
{
// Sicherheitsvorkehrung: Default-Timezone vor jedem Test zurücksetzen
if (method_exists(DateTime::class, 'setDefaultTimezone')) {
DateTime::setDefaultTimezone('UTC');
}
}
public function testNowReturnsCurrentDateTime(): void
{
$now = DateTime::now();
$this->assertInstanceOf(\DateTimeImmutable::class, $now);
$this->assertEquals('UTC', $now->getTimezone()->getName());
$this->assertLessThanOrEqual(2, abs(time() - $now->getTimestamp()));
}
public function testFromTimestamp(): void
{
$timestamp = 1609459200; // 2021-01-01 00:00:00 UTC
$date = DateTime::fromTimestamp($timestamp);
$this->assertEquals($timestamp, $date->getTimestamp());
$this->assertEquals('UTC', $date->getTimezone()->getName());
}
public function testFromString(): void
{
$date = DateTime::fromString('2021-01-01 12:00:00');
$this->assertEquals('2021-01-01 12:00:00', $date->format('Y-m-d H:i:s'));
$this->assertEquals('UTC', $date->getTimezone()->getName());
}
public function testFromFormat(): void
{
$date = DateTime::fromFormat('01/01/2021', 'd/m/Y');
$this->assertEquals('2021-01-01', $date->format('Y-m-d'));
}
public function testFromDateTime(): void
{
$originalDate = new \DateTime('2021-01-01 12:00:00');
$immutableDate = DateTime::fromDateTime($originalDate);
$this->assertInstanceOf(\DateTimeImmutable::class, $immutableDate);
$this->assertEquals($originalDate->format('Y-m-d H:i:s'), $immutableDate->format('Y-m-d H:i:s'));
}
public function testCreateInterval(): void
{
$interval = DateTime::createInterval('P1D');
$this->assertInstanceOf(\DateInterval::class, $interval);
$this->assertEquals(1, $interval->d);
}
public function testCreateTimezone(): void
{
$timezone = DateTime::createTimezone('Europe/Berlin');
$this->assertInstanceOf(\DateTimeZone::class, $timezone);
$this->assertEquals('Europe/Berlin', $timezone->getName());
}
public function testInvalidTimezoneThrowsException(): void
{
$this->expectException(InvalidTimezoneException::class);
DateTime::createTimezone('Invalid/Timezone');
}
public function testInvalidDateTimeThrowsException(): void
{
$this->expectException(InvalidDateTimeException::class);
DateTime::fromString('not a date');
}
public function testInvalidFormatThrowsException(): void
{
$this->expectException(InvalidDateTimeException::class);
DateTime::fromFormat('2021-01-01', 'invalid format');
}
public function testInvalidIntervalThrowsException(): void
{
$this->expectException(InvalidDateTimeException::class);
DateTime::createInterval('invalid interval');
}
public function testSetDefaultTimezone(): void
{
DateTime::setDefaultTimezone('Europe/Berlin');
$now = DateTime::now();
$this->assertEquals('Europe/Berlin', $now->getTimezone()->getName());
}
public function testToday(): void
{
$today = DateTime::today();
$expected = (new \DateTimeImmutable('today'))->format('Y-m-d');
$this->assertEquals($expected, $today->format('Y-m-d'));
$this->assertEquals('00:00:00', $today->format('H:i:s'));
}
public function testTomorrow(): void
{
$tomorrow = DateTime::tomorrow();
$expected = (new \DateTimeImmutable('tomorrow'))->format('Y-m-d');
$this->assertEquals($expected, $tomorrow->format('Y-m-d'));
$this->assertEquals('00:00:00', $tomorrow->format('H:i:s'));
}
public function testYesterday(): void
{
$yesterday = DateTime::yesterday();
$expected = (new \DateTimeImmutable('yesterday'))->format('Y-m-d');
$this->assertEquals($expected, $yesterday->format('Y-m-d'));
$this->assertEquals('00:00:00', $yesterday->format('H:i:s'));
}
}