def test_build_button_enabled_after_input_array(self):
     test_view_model = SegmentTreeViewModel()
     test_view_model.set_input_size(4)
     self.assertEqual('normal', test_view_model.is_build_button_enable())
 def test_build_button_disable_type_error(self):
     test_view_model = SegmentTreeViewModel()
     test_view_model.set_input_size('q')
     self.assertEqual('disabled', test_view_model.is_build_button_enable())
 def test_default_build_button_disable(self):
     test_view_model = SegmentTreeViewModel()
     self.assertEqual('disabled', test_view_model.is_build_button_enable())