salt/tests/unit/modules/test_qemu_img.py

# -*- coding: utf-8 -*-
'''
    :codeauthor: :email:`Rupesh Tare <rupesht@saltstack.com>`
'''

# Import Python Libs
from __future__ import absolute_import
import os

# Import Salt Testing Libs
from tests.support.mixins import LoaderModuleMockMixin
from tests.support.unit import TestCase, skipIf
from tests.support.mock import (
    MagicMock,
    patch,
    NO_MOCK,
    NO_MOCK_REASON
)

# Import Salt Libs
import salt.modules.qemu_img as qemu_img


@skipIf(NO_MOCK, NO_MOCK_REASON)
class QemuimgTestCase(TestCase, LoaderModuleMockMixin):
    '''
    Test cases for salt.modules.qemu_img
    '''
    def setup_loader_modules(self):
        return {qemu_img: {}}

    def test_make_image(self):
        '''
        Test for create a blank virtual machine image file
        of the specified size in megabytes
        '''
        with patch.object(os.path, 'isabs',
                          MagicMock(side_effect=[False, True, True, True])):
            self.assertEqual(qemu_img.make_image('location', 'size', 'fmt'), '')

            with patch.object(os.path, 'isdir',
                              MagicMock(side_effect=[False, True, True])):
                self.assertEqual(qemu_img.make_image('location', 'size', 'fmt'),
                                 '')

                with patch.dict(qemu_img.__salt__,
                                {'cmd.retcode': MagicMock(side_effect=[False,
                                                                       True])}):
                    self.assertEqual(qemu_img.make_image('location', 'size',
                                                         'fmt'), 'location')

                    self.assertEqual(qemu_img.make_image('location', 'size',
                                                         'fmt'), '')