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

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

# 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.genesis as genesis


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

    def test_bootstrap(self):
        '''
        Test for Create an image for a specific platform.
        '''
        mock = MagicMock(return_value=False)
        with patch.dict(genesis.__salt__, {'file.directory_exists': mock}):
            mock = MagicMock(side_effect=Exception('foo'))
            with patch.dict(genesis.__salt__, {'file.mkdir': mock}):
                self.assertEqual(genesis.bootstrap('platform', 'root'),
                                 {'Error': 'Exception({0},)'.format(repr('foo'))})

        with patch.object(genesis, '_bootstrap_yum', return_value='A'):
            with patch.dict(genesis.__salt__, {'mount.umount': MagicMock(),
                                               'file.rmdir': MagicMock(),
                                               'file.directory_exists': MagicMock()}):
                with patch.dict(genesis.__salt__, {'disk.blkid': MagicMock(return_value={})}):
                    self.assertEqual(genesis.bootstrap('rpm', 'root', 'dir'), None)

        common_parms = {'platform': 'deb',
                        'root': 'root',
                        'img_format': 'dir',
                        'arch': 'amd64',
                        'flavor': 'stable',
                        'static_qemu': 'qemu'}

        param_sets = [

            {'params': {},
             'cmd': ['debootstrap', '--foreign', '--arch', 'amd64',
                     'stable', 'root', 'http://ftp.debian.org/debian/']
             },

            {'params': {'pkgs': 'vim'},
             'cmd': ['debootstrap', '--foreign', '--arch', 'amd64',
                     '--include', 'vim',
                     'stable', 'root', 'http://ftp.debian.org/debian/']
             },

            {'params': {'pkgs': 'vim,emacs'},
             'cmd': ['debootstrap', '--foreign', '--arch', 'amd64',
                     '--include', 'vim,emacs',
                     'stable', 'root', 'http://ftp.debian.org/debian/']
             },

            {'params': {'pkgs': ['vim', 'emacs']},
             'cmd': ['debootstrap', '--foreign', '--arch', 'amd64',
                     '--include', 'vim,emacs',
                     'stable', 'root', 'http://ftp.debian.org/debian/']
             },

            {'params': {'pkgs': ['vim', 'emacs'], 'exclude_pkgs': ['vim', 'foo']},
             'cmd': ['debootstrap', '--foreign', '--arch', 'amd64',
                     '--include', 'vim,emacs', '--exclude', 'vim,foo',
                     'stable', 'root', 'http://ftp.debian.org/debian/']
             },

        ]

        for param_set in param_sets:

            with patch.dict(genesis.__salt__, {'mount.umount': MagicMock(),
                                               'file.rmdir': MagicMock(),
                                               'file.directory_exists': MagicMock(),
                                               'cmd.run': MagicMock(),
                                               'disk.blkid': MagicMock(return_value={})}):
                with patch('salt.modules.genesis.salt.utils.path.which', return_value=True):
                    with patch('salt.modules.genesis.salt.utils.validate.path.is_executable',
                               return_value=True):
                        param_set['params'].update(common_parms)
                        self.assertEqual(genesis.bootstrap(**param_set['params']), None)
                        genesis.__salt__['cmd.run'].assert_any_call(param_set['cmd'], python_shell=False)

        with patch.object(genesis, '_bootstrap_pacman', return_value='A') as pacman_patch:
            with patch.dict(genesis.__salt__, {'mount.umount': MagicMock(),
                                               'file.rmdir': MagicMock(),
                                               'file.directory_exists': MagicMock(),
                                               'disk.blkid': MagicMock(return_value={})}):
                genesis.bootstrap('pacman', 'root', 'dir')
                pacman_patch.assert_called_with('root', img_format='dir', exclude_pkgs=[], pkgs=[])

    def test_avail_platforms(self):
        '''
        Test for Return which platforms are available
        '''
        with patch('salt.utils.path.which', MagicMock(return_value=False)):
            self.assertFalse(genesis.avail_platforms()['deb'])

    def test_pack(self):
        '''
        Test for Pack up a directory structure, into a specific format
        '''
        with patch.object(genesis, '_tar', return_value='tar'):
            self.assertEqual(genesis.pack('name', 'root'), None)

    def test_unpack(self):
        '''
        Test for Unpack an image into a directory structure
        '''
        with patch.object(genesis, '_untar', return_value='untar'):
            self.assertEqual(genesis.unpack('name', 'root'), None)