'''
tests for user state
user absent
user present
user present with custom homedir
'''

# Import python libs
import os
import grp

# Import Salt Testing libs
from salttesting import skipIf
from salttesting.helpers import (
    destructiveTest,
    ensure_in_syspath,
    requires_system_grains
)
ensure_in_syspath('../../')

# Import salt libs
import integration


class UserTest(integration.ModuleCase,
               integration.SaltReturnAssertsMixIn):
    '''
    test for user absent
    '''
    def test_user_absent(self):
        ret = self.run_state('user.absent', name='unpossible')
        self.assertSaltTrueReturn(ret)

    def test_user_if_present(self):
        ret = self.run_state('user.present', name='nobody')
        self.assertSaltTrueReturn(ret)

    def test_user_if_present_with_gid(self):
        if self.run_function('group.info', ['nobody']):
            ret = self.run_state('user.present', name='nobody', gid='nobody')
        elif self.run_function('group.info', ['nogroup']):
            ret = self.run_state('user.present', name='nobody', gid='nogroup')
        else:
            self.skipTest(
                'Neither \'nobody\' nor \'nogroup\' are valid groups'
            )
        self.assertSaltTrueReturn(ret)

    @destructiveTest
    @skipIf(os.geteuid() != 0, 'you must be root to run this test')
    def test_user_not_present(self):
        '''
        This is a DESTRUCTIVE TEST it creates a new user on the minion.
        And then destroys that user.
        Assume that it will break any system you run it on.
        '''
        ret = self.run_state('user.present', name='salt_test')
        self.assertSaltTrueReturn(ret)
        ret = self.run_state('user.absent', name='salt_test')
        self.assertSaltTrueReturn(ret)

    @destructiveTest
    @skipIf(os.geteuid() != 0, 'you must be root to run this test')
    def test_user_present_nondefault(self):
        '''
        This is a DESTRUCTIVE TEST it creates a new user on the on the minion.
        '''
        ret = self.run_state('user.present', name='salt_test',
                             home='/var/lib/salt_test')
        self.assertSaltTrueReturn(ret)
        self.assertTrue(os.path.isdir('/var/lib/salt_test'))
        ret = self.run_state('user.absent', name='salt_test')
        self.assertSaltTrueReturn(ret)

    @destructiveTest
    @skipIf(os.geteuid() != 0, 'you must be root to run this test')
    @requires_system_grains
    def test_user_present_gid_from_name_default(self, grains=None):
        '''
        This is a DESTRUCTIVE TEST. It creates a new user on the on the minion.
        This is an integration test. Not all systems will automatically create
        a group of the same name as the user, but I don't have access to any.
        If you run the test and it fails, please fix the code it's testing to
        work on your operating system.
        '''
        ret = self.run_state('user.present', name='salt_test',
                             gid_from_name=True, home='/var/lib/salt_test')
        self.assertSaltTrueReturn(ret)

        ret = self.run_function('user.info', ['salt_test'])
        self.assertReturnNonEmptySaltType(ret)
        group_name = grp.getgrgid(ret['gid']).gr_name

        self.assertTrue(os.path.isdir('/var/lib/salt_test'))
        if grains['os_family'] in ('Suse',):
            self.assertEqual(group_name, 'users')
        else:
            self.assertEqual(group_name, 'salt_test')

        ret = self.run_state('user.absent', name='salt_test')
        self.assertSaltTrueReturn(ret)

    @destructiveTest
    @skipIf(os.geteuid() != 0, 'you must be root to run this test')
    def test_user_present_gid_from_name(self):
        '''
        This is a DESTRUCTIVE TEST it creates a new user on the on the minion.
        This is a unit test, NOT an integration test. We create a group of the
        same name as the user beforehand, so it should all run smoothly.
        '''
        ret = self.run_state('group.present', name='salt_test')
        self.assertSaltTrueReturn(ret)
        ret = self.run_state('user.present', name='salt_test',
                             gid_from_name=True, home='/var/lib/salt_test')
        self.assertSaltTrueReturn(ret)

        ret = self.run_function('user.info', ['salt_test'])
        self.assertReturnNonEmptySaltType(ret)
        group_name = grp.getgrgid(ret['gid']).gr_name

        self.assertTrue(os.path.isdir('/var/lib/salt_test'))
        self.assertEqual(group_name, 'salt_test')
        ret = self.run_state('user.absent', name='salt_test')
        self.assertSaltTrueReturn(ret)
        ret = self.run_state('group.absent', name='salt_test')
        self.assertSaltTrueReturn(ret)


if __name__ == '__main__':
    from integration import run_tests
    run_tests(UserTest)