getUsedSpace() public method

public getUsedSpace ( ) : string
return string
 /** @test */
 public function it_can_populate_disk_values()
 {
     $diskUsageMonitor = new DiskUsageMonitor(['path' => __DIR__]);
     $diskUsageMonitor->runMonitor();
     $this->assertGreaterThan(0, $diskUsageMonitor->getFreeSpace());
     $this->assertGreaterThan(0, $diskUsageMonitor->getTotalSpace());
     $this->assertGreaterThan(0, $diskUsageMonitor->getUsedSpace());
 }