public function testSetGetUptime()
{
$stats = new Stats();
$this->assertNull($stats->getUptime());
$stats->setUptime(10);
$this->assertEquals('10 seconds', $stats->getUptime());
$stats->setUptime(61);
$this->assertEquals('1 minute 1 second', $stats->getUptime());
$stats->setUptime(62);
$this->assertEquals('1 minute 2 seconds', $stats->getUptime());
$stats->setUptime(138);
$this->assertEquals('2 minutes 18 seconds', $stats->getUptime());
$stats->setUptime(3601);
$this->assertEquals('1 hour 0 minutes 1 second', $stats->getUptime());
$stats->setUptime(3662);
$this->assertEquals('1 hour 1 minute 2 seconds', $stats->getUptime());
$stats->setUptime(86401);
$this->assertEquals('1 day 0 hours 0 minutes 1 second', $stats->getUptime());
$stats->setUptime(93773);
$this->assertEquals('1 day 2 hours 2 minutes 53 seconds', $stats->getUptime());
$stats->setUptime(187546);
$this->assertEquals('2 days 4 hours 5 minutes 46 seconds', $stats->getUptime());
$stats->setUptime(187560);
$this->assertEquals('2 days 4 hours 6 minutes 0 seconds', $stats->getUptime());
}