pungi/tests/test_media_split.py
Haibo Lin 3eddcfccd8 Fix flake8 complaints - F401
F401 'dnf' imported but unused
F401 'imp' imported but unused
F401 'os' imported but unused
F401 'subprocess' imported but unused
F401 'sys' imported but unused
F401 'yum' imported but unused

JIRA: COMPOSE-4108
Signed-off-by: Haibo Lin <hlin@redhat.com>
2020-02-07 11:48:31 +08:00

130 lines
4.0 KiB
Python

# -*- coding: utf-8 -*-
try:
import unittest2 as unittest
except ImportError:
import unittest
import mock
from pungi import media_split
class ConvertMediaSizeTestCase(unittest.TestCase):
def test_size_parser_correct_number_as_int(self):
self.assertEqual(media_split.convert_media_size(123), 123)
def test_size_parser_correct_number_as_str(self):
self.assertEqual(media_split.convert_media_size("123"), 123)
def test_size_parser_with_unit_b(self):
self.assertEqual(media_split.convert_media_size("123b"), 123)
def test_size_parser_with_unit_k(self):
self.assertEqual(media_split.convert_media_size("123k"), 123 * 1024)
def test_size_parser_with_unit_M(self):
self.assertEqual(media_split.convert_media_size("123M"), 123 * 1024 * 1024)
def test_size_parser_with_unit_G(self):
self.assertEqual(
media_split.convert_media_size("123G"), 123 * 1024 * 1024 * 1024
)
def test_size_parser_with_negative_number(self):
with self.assertRaises(ValueError):
media_split.convert_media_size(-15)
def test_size_parser_with_unknown_unit(self):
with self.assertRaises(ValueError):
media_split.convert_media_size("123X")
class ConvertFileSizeTestCase(unittest.TestCase):
def test_round_up(self):
self.assertEqual(media_split.convert_file_size(123, 2048), 2048)
def test_exactly_block_size(self):
self.assertEqual(media_split.convert_file_size(100, 100), 100)
def bl(s):
return s * 2048
class MediaSplitterTestCase(unittest.TestCase):
def setUp(self):
self.compose = mock.Mock()
def test_sum_size(self):
ms = media_split.MediaSplitter(bl(100))
ms.add_file("first", bl(20))
ms.add_file("second", bl(30))
ms.add_file("third", 10)
self.assertEqual(ms.total_size, bl(50) + 10)
self.assertEqual(ms.total_size_in_blocks, bl(51))
def test_add_same_file_twice(self):
ms = media_split.MediaSplitter(bl(100))
ms.add_file("first", bl(20))
ms.add_file("first", bl(20))
self.assertEqual(ms.total_size, bl(20))
def test_add_same_file_twice_with_different_size(self):
ms = media_split.MediaSplitter(bl(100))
ms.add_file("first", bl(20))
with self.assertRaises(ValueError):
ms.add_file("first", bl(30))
def test_add_too_big_file(self):
ms = media_split.MediaSplitter(bl(100))
with self.assertRaises(ValueError):
ms.add_file("too-big", bl(300))
def test_fit_on_one(self):
ms = media_split.MediaSplitter(bl(100), compose=self.compose)
ms.add_file("first", bl(20))
ms.add_file("second", bl(30))
self.assertEqual(ms.split(), [{"files": ["first", "second"], "size": bl(50)}])
def test_split_on_two_discs(self):
ms = media_split.MediaSplitter(bl(100), compose=self.compose)
ms.add_file("first", bl(25))
ms.add_file("second", bl(40))
ms.add_file("third", bl(80))
self.assertEqual(
ms.split(),
[
{"files": ["first", "second"], "size": bl(65)},
{"files": ["third"], "size": bl(80)},
],
)
def test_split_with_sticky_file(self):
ms = media_split.MediaSplitter(bl(100))
ms.add_file("sticky", bl(15), sticky=True)
ms.add_file("first", bl(25))
ms.add_file("second", bl(40))
ms.add_file("third", bl(80))
self.assertEqual(
ms.split(),
[
{"files": ["sticky", "first", "second"], "size": bl(80)},
{"files": ["sticky", "third"], "size": bl(95)},
],
)
def test_split_unlimited_media(self):
ms = media_split.MediaSplitter(None, compose=self.compose)
ms.add_file("first", bl(25))
ms.add_file("second", bl(40))
ms.add_file("third", bl(80))
self.assertEqual(
ms.split(), [{"files": ["first", "second", "third"], "size": bl(145)}]
)