Files
edx-platform/common/lib/xmodule/xmodule/tests/test_services.py

79 lines
3.6 KiB
Python

"""
Tests for SettingsService
"""
import ddt
import mock
from unittest import TestCase
from django.conf import settings
from django.test.utils import override_settings
from xblock.runtime import Mixologist
from xmodule.services import SettingsService
class _DummyBlock(object):
""" Dummy Xblock class """
pass
@ddt.ddt
class TestSettingsService(TestCase):
""" Test SettingsService """
xblock_setting_key1 = 'dummy_block'
xblock_setting_key2 = 'other_dummy_block'
def setUp(self):
""" Setting up tests """
super(TestSettingsService, self).setUp()
self.settings_service = SettingsService()
self.xblock_mock = mock.Mock()
self.xblock_mock.block_settings_key = self.xblock_setting_key1
self.xblock_mock.unmixed_class = mock.Mock()
self.xblock_mock.unmixed_class.__name__ = self.xblock_setting_key2
def test_get_given_none_throws_value_error(self):
""" Test that given None throws value error """
with self.assertRaises(ValueError):
self.settings_service.get_settings_bucket(None)
def test_get_return_default_if_xblock_settings_is_missing(self):
""" Test that returns default (or None if default not set) if XBLOCK_SETTINGS is not set """
self.assertFalse(hasattr(settings, 'XBLOCK_SETTINGS')) # precondition check
self.assertEqual(self.settings_service.get_settings_bucket(self.xblock_mock, 'zzz'), 'zzz')
def test_get_return_empty_dictionary_if_xblock_settings_and_default_is_missing(self):
""" Test that returns default (or None if default not set) if XBLOCK_SETTINGS is not set """
self.assertFalse(hasattr(settings, 'XBLOCK_SETTINGS')) # precondition check
self.assertEqual(self.settings_service.get_settings_bucket(self.xblock_mock), {})
@override_settings(XBLOCK_SETTINGS={xblock_setting_key2: {'b': 1}})
def test_get_returns_none_or_default_if_bucket_not_found(self):
""" Test if settings service returns default if setting not found """
self.assertEqual(getattr(settings, 'XBLOCK_SETTINGS'), {self.xblock_setting_key2: {'b': 1}})
self.assertEqual(self.settings_service.get_settings_bucket(self.xblock_mock), {})
self.assertEqual(self.settings_service.get_settings_bucket(self.xblock_mock, 123), 123)
@override_settings(XBLOCK_SETTINGS={xblock_setting_key1: 42})
def test_get_returns_correct_value(self):
""" Test if settings service returns correct bucket """
self.assertEqual(getattr(settings, 'XBLOCK_SETTINGS'), {self.xblock_setting_key1: 42})
self.assertEqual(self.settings_service.get_settings_bucket(self.xblock_mock), 42)
@override_settings(XBLOCK_SETTINGS={xblock_setting_key2: "I'm a setting"})
def test_get_respects_block_settings_key(self):
""" Test if settings service respects block_settings_key value """
self.assertEqual(getattr(settings, 'XBLOCK_SETTINGS'), {self.xblock_setting_key2: "I'm a setting"})
self.xblock_mock.block_settings_key = self.xblock_setting_key2
self.assertEqual(self.settings_service.get_settings_bucket(self.xblock_mock), "I'm a setting")
@override_settings(XBLOCK_SETTINGS={_DummyBlock.__name__: [1, 2, 3]})
def test_get_uses_class_name_if_block_settings_key_is_not_set(self):
""" Test if settings service uses class name if block_settings_key attribute does not exist """
mixologist = Mixologist([])
block = mixologist.mix(_DummyBlock)
self.assertEqual(getattr(settings, 'XBLOCK_SETTINGS'), {"_DummyBlock": [1, 2, 3]})
self.assertEqual(self.settings_service.get_settings_bucket(block), [1, 2, 3])