def _check_device_size(self):
self._messenger.info('Checking size of "%s"...' % self._abs_target_path)
blockdev_output = self._executor.check_output([
COMMAND_BLOCKDEV,
'--getsize64',
self._abs_target_path,
])
size_bytes_found = int(blockdev_output)
size_bytes_needed = self._distro.get_minimum_size_bytes()
if size_bytes_found < size_bytes_needed:
raise OSError(errno.ENOSPC, 'Device "%s" is %s in size, %s or more needed.' % (
self._abs_target_path,
format_byte_size(size_bytes_found),
format_byte_size(size_bytes_needed),
))
def _check_device_size(self):
self._messenger.info('Checking size of "%s"...' % self._abs_target_path)
blockdev_output = self._executor.check_output([
COMMAND_BLOCKDEV,
'--getsize64',
self._abs_target_path,
])
size_bytes_found = int(blockdev_output)
size_bytes_needed = self._distro.get_minimum_size_bytes()
if size_bytes_found < size_bytes_needed:
raise OSError(errno.ENOSPC, 'Device "%s" is %s in size, %s or more needed.' % (
self._abs_target_path,
format_byte_size(size_bytes_found),
format_byte_size(size_bytes_needed),
))
def test_some(self):
for size_bytes, expected in (
(0, '0 byte'),
(1, '1 byte'),
(2, '2 byte'),
(511, '511 byte'),
(512, '0.5 KiB'),
(513, '0.501 KiB'),
(1023, '0.999 KiB'),
(1024, '1 KiB'),
(1025, '1.001 KiB'),
(1024 * 1024 - 1, '1 MiB'),
(1024 * 1024, '1 MiB'),
(1024 * 1024 + 1, '1 MiB'),
(1024**3, '1 GiB'),
(1024**4, '1 TiB'),
):
received = format_byte_size(size_bytes)
self.assertEqual(received, expected)
def test_some(self):
for size_bytes, expected in (
(0, '0 byte'),
(1, '1 byte'),
(2, '2 byte'),
(511, '511 byte'),
(512, '0.5 KiB'),
(513, '0.501 KiB'),
(1023, '0.999 KiB'),
(1024, '1 KiB'),
(1025, '1.001 KiB'),
(1024 * 1024 - 1, '1 MiB'),
(1024 * 1024, '1 MiB'),
(1024 * 1024 + 1, '1 MiB'),
(1024**3, '1 GiB'),
(1024**4, '1 TiB'),
):
received = format_byte_size(size_bytes)
self.assertEquals(received, expected)
