def test_add_data_length_2(self):
exporter = ItemExporter(format=trivial_format)
data_wrapper = DataWrapper()
exporter.add_data(data_wrapper, self.model, [((), ()), ((0, ), (0, ))])
self.assertFalse(data_wrapper.has_format(trivial_format))
def test_add_data_fail(self):
exporter = TrivialExporter(format=trivial_format)
data_wrapper = DataWrapper()
exporter.add_data(data_wrapper, self.model, [])
self.assertFalse(data_wrapper.has_format(trivial_format))
def test_add_data_(self):
exporter = ItemExporter(format=trivial_format)
data_wrapper = DataWrapper()
exporter.add_data(data_wrapper, self.model, [((0, ), (0, ))])
self.assertTrue(data_wrapper.has_format(trivial_format))
self.assertEqual(data_wrapper.get_mimedata('null/null'), b'1')