def test_all_operators_and_levels_match_non_contained(self): expression = Expression("x + Derivative(x + x**2, x)", is_latex=False) sub_expression = Expression("Derivative(x**2)", is_latex=False) self.assertFalse(expression.operators_and_levels_match(sub_expression))
def there_is_a_chance_to_apply_to(self, expression: Expression): return expression.operators_and_levels_match(self.left)
def test_all_operators_and_levels_match_long_expression(self): expression = Expression( "Derivative(x + x**2, x) + Derivative(x + x**2, x) + Derivative(x + x**2, x)", is_latex=False) sub_expression = Expression("Derivative(x + x**2, x)", is_latex=False) self.assertTrue(expression.operators_and_levels_match(sub_expression))