import django_comment_common.models as models
from django.test import TestCase


class RoleClassTestCase(TestCase):
    def setUp(self):
        # For course ID, syntax edx/classname/classdate is important
        # because xmodel.course_module.id_to_location looks for a string to split

        self.course_id = "edX/toy/2012_Fall"
        self.student_role = models.Role.objects.get_or_create(name="Student",
                                                              course_id=self.course_id)[0]
        self.student_role.add_permission("delete_thread")
        self.student_2_role = models.Role.objects.get_or_create(name="Student",
                                                                course_id=self.course_id)[0]
        self.TA_role = models.Role.objects.get_or_create(name="Community TA",
                                                         course_id=self.course_id)[0]
        self.course_id_2 = "edx/6.002x/2012_Fall"
        self.TA_role_2 = models.Role.objects.get_or_create(name="Community TA",
                                                           course_id=self.course_id_2)[0]

        class Dummy():
            def render_template():
                pass

    def testHasPermission(self):
        # Whenever you add a permission to student_role,
        # Roles with the same FORUM_ROLE in same class also receives the same
        # permission.
        # Is this desirable behavior?
        self.assertTrue(self.student_role.has_permission("delete_thread"))
        self.assertTrue(self.student_2_role.has_permission("delete_thread"))
        self.assertFalse(self.TA_role.has_permission("delete_thread"))

    def testInheritPermissions(self):

        self.TA_role.inherit_permissions(self.student_role)
        self.assertTrue(self.TA_role.has_permission("delete_thread"))
        # Despite being from 2 different courses, TA_role_2 can still inherit
        # permissions from TA_role without error
        self.TA_role_2.inherit_permissions(self.TA_role)


class PermissionClassTestCase(TestCase):
    def setUp(self):
        self.permission = models.Permission.objects.get_or_create(name="test")[0]

    def testUnicode(self):
        self.assertEqual(str(self.permission), "test")
