def test_datepicker(self):
startpicker = DatePickerInput().start_of('test')
endpicker = DatePickerInput(options={
'format': "YYYY-MM-DD"
}).end_of('test')
self.assertRaises(KeyError, lambda: endpicker.end_of('undefined'))
context = startpicker.get_context("input_name", '2018-04-12', {})
self.assertTrue(len(context['widget']['attrs']['dp_config']) > 0)
