def test_seek_too_far_real_file(self):
# StringIO doesn't raise IOError if you see past the start of the file.
with tempfile.TemporaryFile() as flo:
content = b'1234567890'
flo.write(content)
self.assertEqual(
(content, 0),
libvirt_utils.last_bytes(flo, 1000))
def test_read_all(self):
self.f.seek(0, os.SEEK_SET)
out, remaining = libvirt_utils.last_bytes(self.f, 1000)
self.assertEqual(out, b'1234567890')
self.assertFalse(remaining > 0)
def test_truncated(self):
self.f.seek(0, os.SEEK_SET)
out, remaining = libvirt_utils.last_bytes(self.f, 5)
self.assertEqual(out, b'67890')
self.assertGreater(remaining, 0)
def last_bytes(file_like_object, num):
return libvirt_utils.last_bytes(file_like_object, num)
def test_read_all(self):
self.f.seek(0, os.SEEK_SET)
out, remaining = libvirt_utils.last_bytes(self.f, 1000)
self.assertEqual(out, b'1234567890')
self.assertFalse(remaining > 0)
def test_truncated(self):
self.f.seek(0, os.SEEK_SET)
out, remaining = libvirt_utils.last_bytes(self.f, 5)
self.assertEqual(out, b'67890')
self.assertGreater(remaining, 0)
def last_bytes(file_like_object, num):
return libvirt_utils.last_bytes(file_like_object, num)