def test_by_default_button_is_disable(self): model = QuadraticEquationViewModel() self.assertEqual('disabled', model.is_button_enable())
def test_when_clear_c_button_disabled(self): model = QuadraticEquationViewModel(1, -1, 1) model.set_c(None) self.assertEqual('disabled', model.is_button_enable())
def test_when_enter_incorrect_values(self): model = QuadraticEquationViewModel('-1a', '123', 'q9') self.assertEqual('disabled', model.is_button_enable())
def test_when_enter_a_b_c_button_enabled(self): model = QuadraticEquationViewModel(1, 1, 1) self.assertTrue(model.is_button_enable())