'L{static.formatFileSize} format an amount of bytes into a more readable
format.'

def test_formatFileSize(self):

    self.assertEqual(static.formatFileSize(0), '0B')
    self.assertEqual(static.formatFileSize(123), '123B')
    self.assertEqual(static.formatFileSize(4567), '4K')
    self.assertEqual(static.formatFileSize(8900000), '8M')
    self.assertEqual(static.formatFileSize(1234000000), '1G')
    self.assertEqual(static.formatFileSize(1234567890000), '1149G')
