pungi/tests/test_iso_wrapper.py

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# -*- coding: utf-8 -*-
import mock
import os
import sys
import unittest
sys.path.insert(0, os.path.join(os.path.dirname(__file__), ".."))
from pungi.wrappers import iso
CORRECT_OUTPUT = '''dummy.iso: 31ff3e405e26ad01c63b62f6b11d30f6
Fragment sums: 6eb92e7bda221d7fe5f19b4d21468c9bf261d84c96d145d96c76444b9cbc
Fragment count: 20
Supported ISO: no
'''
INCORRECT_OUTPUT = '''This should never happen: File not found'''
class TestIsoUtils(unittest.TestCase):
@mock.patch('pungi.wrappers.iso.run')
def test_get_implanted_md5_correct(self, mock_run):
mock_run.return_value = (0, CORRECT_OUTPUT)
logger = mock.Mock()
self.assertEqual(iso.get_implanted_md5('dummy.iso', logger=logger),
'31ff3e405e26ad01c63b62f6b11d30f6')
self.assertEqual(mock_run.call_args_list,
[mock.call(['/usr/bin/checkisomd5', '--md5sumonly', 'dummy.iso'],
universal_newlines=True)])
self.assertEqual(logger.mock_calls, [])
@mock.patch('pungi.wrappers.iso.run')
def test_get_implanted_md5_incorrect(self, mock_run):
mock_run.return_value = (0, INCORRECT_OUTPUT)
logger = mock.Mock()
self.assertIsNone(iso.get_implanted_md5('dummy.iso', logger=logger))
self.assertEqual(mock_run.call_args_list,
[mock.call(['/usr/bin/checkisomd5', '--md5sumonly', 'dummy.iso'],
universal_newlines=True)])
self.assertGreater(len(logger.mock_calls), 0)
@mock.patch('pungi.util.run_unmount_cmd')
@mock.patch('pungi.wrappers.iso.run')
def test_mount_iso(self, mock_run, mock_unmount):
mock_run.return_value = (0, '')
with iso.mount('dummy') as temp_dir:
self.assertTrue(os.path.isdir(temp_dir))
self.assertEqual(len(mock_run.call_args_list), 1)
self.assertEqual(len(mock_unmount.call_args_list), 1)
self.assertFalse(os.path.isdir(temp_dir))
@mock.patch('pungi.util.run_unmount_cmd')
@mock.patch('pungi.wrappers.iso.run')
def test_mount_iso_always_unmounts(self, mock_run, mock_unmount):
mock_run.return_value = (0, '')
try:
with iso.mount('dummy') as temp_dir:
self.assertTrue(os.path.isdir(temp_dir))
raise RuntimeError()
except RuntimeError:
pass
self.assertEqual(len(mock_run.call_args_list), 1)
self.assertEqual(len(mock_unmount.call_args_list), 1)
self.assertFalse(os.path.isdir(temp_dir))
@mock.patch('pungi.util.run_unmount_cmd')
@mock.patch('pungi.wrappers.iso.run')
def test_mount_iso_raises_on_error(self, mock_run, mock_unmount):
log = mock.Mock()
mock_run.return_value = (1, 'Boom')
with self.assertRaises(RuntimeError):
with iso.mount('dummy', logger=log) as temp_dir:
self.assertTrue(os.path.isdir(temp_dir))
self.assertEqual(len(mock_run.call_args_list), 1)
self.assertEqual(len(mock_unmount.call_args_list), 0)
self.assertEqual(len(log.mock_calls), 1)