salt/tests/unit/modules/test_kmod.py

135 lines
5.0 KiB
Python

# -*- coding: utf-8 -*-
'''
:codeauthor: :email:`Jayesh Kariya <jayeshk@saltstack.com>`
'''
# Import Python libs
from __future__ import absolute_import
import os
# Import Salt Testing Libs
from tests.support.unit import TestCase, skipIf
from tests.support.mock import MagicMock, patch
# Import Salt Libs
import salt.modules.kmod as kmod
class KmodTestCase(TestCase):
'''
TestCase for salt.modules.kmod
'''
kmod.__grains__ = {}
kmod.__salt__ = {}
kmod.__context__ = {}
# 'available' function tests: 1
@patch('salt.modules.kmod.available', MagicMock(return_value=['kvm']))
def test_available(self):
'''
Tests return a list of all available kernel modules
'''
self.assertEqual(['kvm'], kmod.available())
# 'check_available' function tests: 1
@patch('salt.modules.kmod.available', MagicMock(return_value=['kvm']))
def test_check_available(self):
'''
Tests if the specified kernel module is available
'''
self.assertTrue(kmod.check_available('kvm'))
# 'lsmod' function tests: 1
def test_lsmod(self):
'''
Tests return information about currently loaded modules
'''
mock_ret = [{'size': 100, 'module': None, 'depcount': 10, 'deps': None}]
with patch('salt.modules.kmod.lsmod', MagicMock(return_value=mock_ret)):
mock_cmd = MagicMock(return_value=1)
with patch.dict(kmod.__salt__, {'cmd.run': mock_cmd}):
self.assertListEqual(mock_ret, kmod.lsmod())
# 'mod_list' function tests: 1
@skipIf(not os.path.isfile('/etc/modules'), '/etc/modules not present')
def test_mod_list(self):
'''
Tests return a list of the loaded module names
'''
with patch('salt.modules.kmod._get_modules_conf',
MagicMock(return_value='/etc/modules')):
with patch('salt.modules.kmod._strip_module_name',
MagicMock(return_value='lp')):
self.assertListEqual(['lp'], kmod.mod_list(True))
mock_ret = [{'size': 100, 'module': None, 'depcount': 10, 'deps': None}]
with patch('salt.modules.kmod.lsmod', MagicMock(return_value=mock_ret)):
self.assertListEqual([None], kmod.mod_list(False))
# 'load' function tests: 1
def test_load(self):
'''
Tests to loads specified kernel module.
'''
mod = 'cheese'
err_msg = 'Module too moldy, refusing to load'
mock_persist = MagicMock(return_value=set([mod]))
mock_lsmod = MagicMock(return_value=[{'size': 100,
'module': None,
'depcount': 10,
'deps': None}])
mock_run_all_0 = MagicMock(return_value={'retcode': 0})
mock_run_all_1 = MagicMock(return_value={'retcode': 1,
'stderr': err_msg})
with patch('salt.modules.kmod._set_persistent_module', mock_persist):
with patch('salt.modules.kmod.lsmod', mock_lsmod):
with patch.dict(kmod.__salt__, {'cmd.run_all': mock_run_all_0}):
self.assertEqual([mod], kmod.load(mod, True))
with patch.dict(kmod.__salt__, {'cmd.run_all': mock_run_all_1}):
self.assertEqual('Error loading module {0}: {1}'.format(mod, err_msg),
kmod.load(mod))
# 'is_loaded' function tests: 1
@patch('salt.modules.kmod.mod_list', MagicMock(return_value=set(['lp'])))
def test_is_loaded(self):
'''
Tests if specified kernel module is loaded.
'''
self.assertTrue(kmod.is_loaded('lp'))
# 'remove' function tests: 1
def test_remove(self):
'''
Tests to remove the specified kernel module
'''
mod = 'cheese'
err_msg = 'Cannot find module: it has been eaten'
mock_persist = MagicMock(return_value=set([mod]))
mock_lsmod = MagicMock(return_value=[{'size': 100,
'module': None,
'depcount': 10,
'deps': None}])
mock_run_all_0 = MagicMock(return_value={'retcode': 0})
mock_run_all_1 = MagicMock(return_value={'retcode': 1,
'stderr': err_msg})
with patch('salt.modules.kmod._remove_persistent_module', mock_persist):
with patch('salt.modules.kmod.lsmod', mock_lsmod):
with patch.dict(kmod.__salt__, {'cmd.run_all': mock_run_all_0}):
self.assertEqual([mod], kmod.remove(mod, True))
self.assertEqual([], kmod.remove(mod))
with patch.dict(kmod.__salt__, {'cmd.run_all': mock_run_all_1}):
self.assertEqual('Error removing module {0}: {1}'.format(mod, err_msg),
kmod.remove(mod, True))