#!/usr/bin/env python
# -*- coding: utf-8 -*-

import os
import shutil
import tempfile
import unittest

from dotfiles import core


def touch(fname, times=None):
    with file(fname, 'a'):
        os.utime(fname, times)


class DotfilesTestCase(unittest.TestCase):

    def setUp(self):
        """Create a temporary home directory."""

        self.home = tempfile.mkdtemp()

        # create a repository for the tests to use
        self.repo = os.path.join(self.home, 'Dotfiles')
        os.mkdir(self.repo)

    def tearDown(self):
        """Delete the temporary home directory and its contents."""

        shutil.rmtree(self.home)

    def test_force_sync_directory(self):
        """Test forced sync when the dotfile is a directory.

        I installed the lastpass chrome extension which stores a socket in
        ~/.lastpass. So I added that directory as an external to /tmp and
        attempted a forced sync. An error occurred because sync() calls
        os.remove() as it mistakenly assumes the dotfile is a file and not
        a directory.
        """

        os.mkdir(os.path.join(self.home, '.lastpass'))
        externals = {'.lastpass': '/tmp'}

        dotfiles = core.Dotfiles(home=self.home, repo=self.repo, prefix='',
                                ignore=[], externals=externals)

        dotfiles.sync(force=True)

        self.assertEqual(
                os.path.realpath(os.path.join(self.home, '.lastpass')), '/tmp')

    def test_move_repository(self):
        """Test the move() method for a Dotfiles repository."""

        touch(os.path.join(self.repo, 'bashrc'))

        dotfiles = core.Dotfiles(
                home=self.home, repo=self.repo, prefix='',
                ignore=[], force=True, externals={})

        dotfiles.sync()

        # make sure sync() did the right thing
        self.assertEqual(
                os.path.realpath(os.path.join(self.home, '.bashrc')),
                os.path.join(self.repo, 'bashrc'))

        target = os.path.join(self.home, 'MyDotfiles')

        dotfiles.move(target)

        self.assertTrue(os.path.exists(os.path.join(target, 'bashrc')))
        self.assertEqual(
                os.path.realpath(os.path.join(self.home, '.bashrc')),
                os.path.join(target, 'bashrc'))


def suite():
    suite = unittest.TestLoader().loadTestsFromTestCase(DotfilesTestCase)
    return suite

if __name__ == '__main__':
    unittest.TextTestRunner().run(suite())