def test_load_from(self): os.system("rm -rf Foobar") os.system("mkdir Foobar") import time time.sleep(1) total = 100000 original_model_data = OriginalModel.fake(total) Foobar = make_a_foobar(original_model_data) repr(Foobar) # when 0 items Foobar.pull_data() self.assertEqual(len(Foobar), total) print repr(Foobar) os.system("rm -rf Foobar")