def test_get_button_enabled_after_input_array(self):
     test_view_model = SegmentTreeViewModel()
     test_view_model.set_left_border(0)
     test_view_model.set_right_border(3)
     self.assertEqual('normal', test_view_model.is_get_button_enable())
 def test_get_button_disable_right_border(self):
     test_view_model = SegmentTreeViewModel()
     test_view_model.set_left_border(0)
     test_view_model.set_right_border('=')
     self.assertEqual('disabled', test_view_model.is_get_button_enable())
 def test_default_get_button_disable(self):
     test_view_model = SegmentTreeViewModel()
     self.assertEqual('disabled', test_view_model.is_get_button_enable())