# -*- coding: utf-8 -*-

# Import Python Libs
from __future__ import absolute_import, print_function, unicode_literals

# Import Salt Libs
import salt.utils.platform
import salt.utils.win_update as win_update

# Import Salt Testing Libs
from tests.support.mock import MagicMock, patch
from tests.support.unit import TestCase, skipIf


@skipIf(not salt.utils.platform.is_windows(), "System is not Windows")
class WinUpdateTestCase(TestCase):
    """
    Test cases for salt.utils.win_update
    """

    def test_installed_no_updates(self):
        """
        Test installed when there are no updates on the system
        """
        with patch("salt.utils.winapi.Com", autospec=True), patch(
            "win32com.client.Dispatch", autospec=True
        ), patch.object(win_update.WindowsUpdateAgent, "refresh", autospec=True):
            wua = win_update.WindowsUpdateAgent(online=False)
            wua._updates = []

            installed_updates = wua.installed()

            assert installed_updates.updates.Add.call_count == 0

    def test_installed_no_updates_installed(self):
        """
        Test installed when there are no Installed updates on the system
        """
        with patch("salt.utils.winapi.Com", autospec=True), patch(
            "win32com.client.Dispatch", autospec=True
        ), patch.object(win_update.WindowsUpdateAgent, "refresh", autospec=True):
            wua = win_update.WindowsUpdateAgent(online=False)

            wua._updates = [
                MagicMock(IsInstalled=False),
                MagicMock(IsInstalled=False),
                MagicMock(IsInstalled=False),
            ]

            installed_updates = wua.installed()

            assert installed_updates.updates.Add.call_count == 0

    def test_installed_updates_all_installed(self):
        """
        Test installed when all updates on the system are Installed
        """
        with patch("salt.utils.winapi.Com", autospec=True), patch(
            "win32com.client.Dispatch", autospec=True
        ), patch.object(win_update.WindowsUpdateAgent, "refresh", autospec=True):
            wua = win_update.WindowsUpdateAgent(online=False)

            wua._updates = [
                MagicMock(IsInstalled=True),
                MagicMock(IsInstalled=True),
                MagicMock(IsInstalled=True),
            ]

            installed_updates = wua.installed()

            assert installed_updates.updates.Add.call_count == 3

    def test_installed_updates_some_installed(self):
        """
        Test installed when some updates are installed on the system
        """
        with patch("salt.utils.winapi.Com", autospec=True), patch(
            "win32com.client.Dispatch", autospec=True
        ), patch.object(win_update.WindowsUpdateAgent, "refresh", autospec=True):
            wua = win_update.WindowsUpdateAgent(online=False)

            wua._updates = [
                MagicMock(IsInstalled=True),
                MagicMock(IsInstalled=False),
                MagicMock(IsInstalled=True),
                MagicMock(IsInstalled=False),
                MagicMock(IsInstalled=True),
            ]

            installed_updates = wua.installed()

            assert installed_updates.updates.Add.call_count == 3