from __future__ import absolute_import, unicode_literals

from django.contrib.auth import get_user_model
from django.contrib.auth.models import Group
from django.core.urlresolvers import reverse
from django.test.client import Client
from django.test import TestCase

from permissions import Permission
from permissions.models import Role
from permissions.tests.literals import TEST_ROLE_LABEL
from user_management.tests import (
    TEST_ADMIN_PASSWORD, TEST_ADMIN_USERNAME, TEST_ADMIN_EMAIL, TEST_GROUP,
    TEST_USER_EMAIL, TEST_USER_USERNAME, TEST_USER_PASSWORD
)


class GenericViewTestCase(TestCase):
    def setUp(self):
        self.admin_user = get_user_model().objects.create_superuser(
            username=TEST_ADMIN_USERNAME, email=TEST_ADMIN_EMAIL,
            password=TEST_ADMIN_PASSWORD
        )

        self.user = get_user_model().objects.create_user(
            username=TEST_USER_USERNAME, email=TEST_USER_EMAIL,
            password=TEST_USER_PASSWORD
        )

        self.group = Group.objects.create(name=TEST_GROUP)
        self.role = Role.objects.create(label=TEST_ROLE_LABEL)
        self.group.user_set.add(self.user)
        self.role.groups.add(self.group)
        Permission.invalidate_cache()

    def tearDown(self):
        self.admin_user.delete()
        self.group.delete()
        self.role.delete()
        self.user.delete()


class CommonViewTestCase(GenericViewTestCase):
    def test_about_view(self):
        logged_in = self.client.login(
            username=TEST_ADMIN_USERNAME, password=TEST_ADMIN_PASSWORD
        )

        response = self.client.get(reverse('common:about_view'))
        self.assertContains(response, text='About', status_code=200)