class FilterHookTests(unittest.TestCase):
def setUp(self):
self.hook = FilterHook()
self.args = None
self.kwargs = None
def callback(self, data, *args, **kwargs):
self.args = args
self.kwargs = kwargs
return data + ['callback']
def test_returns_argument_if_no_callbacks(self):
self.assertEqual(self.hook.call_callbacks(['foo']), ['foo'])
def test_calls_callback_and_returns_modified_data(self):
self.hook.add_callback(self.callback)
data = self.hook.call_callbacks([])
self.assertEqual(data, ['callback'])
def test_calls_callback_with_extra_args(self):
self.hook.add_callback(self.callback)
self.hook.call_callbacks(['data'], 'extra', kwextra='kwextra')
self.assertEqual(self.args, ('extra',))
self.assertEqual(self.kwargs, {'kwextra': 'kwextra'})
def setUp(self):
self.hook = FilterHook()
def setUp(self):
self.hook = FilterHook()
self.args = None
self.kwargs = None
