def test_no_new_raises_exception(self): """Test that StopProcessingException is raised if there are no new items.""" new_item_filter = NewItemFilterOperation() new_item_filter.process(FAKE_DATA) with self.assertRaises(StopProcessingException): new_item_filter.process(FAKE_DATA)
def test_process_allowed_only_new(self): """Test that only new items that haven't been seen before are returned.""" new_item_filter = NewItemFilterOperation() self.assertEquals( new_item_filter.process(FAKE_DATA[:2]), FAKE_DATA[:2], ) self.assertEquals( new_item_filter.process(FAKE_DATA), [FAKE_DATA[-1]], )
def test_process_allowed(self): """Test that when items haven't been seen before that they are returned.""" new_item_filter = NewItemFilterOperation() self.assertEquals( new_item_filter.process(FAKE_DATA), FAKE_DATA, )