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

import os
from unittest import TestCase
from unittest.mock import MagicMock, patch, call

from wuttamess import util as mod


class TestExists(TestCase):

    def test_basic(self):
        c = MagicMock()
        mod.exists(c, "/foo")
        c.run.assert_called_once_with("test -e /foo", warn=True)


class TestHomePath(TestCase):

    def test_basic(self):
        c = MagicMock()
        c.run.return_value.stdout = "/home/foo"
        path = mod.get_home_path(c, user="foo")
        self.assertEqual(path, "/home/foo")


class TestIsSymlink(TestCase):

    def test_yes(self):
        c = MagicMock()
        c.run.return_value.failed = False
        self.assertTrue(mod.is_symlink(c, "/foo"))
        c.run.assert_called_once_with('test -L "$(echo /foo)"', warn=True)

    def test_no(self):
        c = MagicMock()
        c.run.return_value.failed = True
        self.assertFalse(mod.is_symlink(c, "/foo"))
        c.run.assert_called_once_with('test -L "$(echo /foo)"', warn=True)


class TestMakoRenderer(TestCase):

    def test_basic(self):
        c = MagicMock()
        renderer = mod.mako_renderer(c, env={"machine_is_live": True})
        here = os.path.dirname(__file__)
        path = os.path.join(here, "files", "bar", "baz")
        rendered = renderer(path, vars={})
        self.assertEqual(rendered, "machine_is_live = True")


class TestSetTimezone(TestCase):

    def test_symlink(self):
        c = MagicMock()
        with patch.object(mod, "is_symlink") as is_symlink:
            is_symlink.return_value = True
            mod.set_timezone(c, "America/Chicago")
            c.run.assert_has_calls(
                [
                    call("bash -c 'echo America/Chicago > /etc/timezone'"),
                ]
            )
            c.run.assert_called_with(
                "ln -sf /usr/share/zoneinfo/America/Chicago /etc/localtime"
            )

    def test_not_symlink(self):
        c = MagicMock()
        with patch.object(mod, "is_symlink") as is_symlink:
            is_symlink.return_value = False
            mod.set_timezone(c, "America/Chicago")
            c.run.assert_has_calls(
                [
                    call("bash -c 'echo America/Chicago > /etc/timezone'"),
                ]
            )
            c.run.assert_called_with(
                "cp /usr/share/zoneinfo/America/Chicago /etc/localtime"
            )