def test_multiple_steps(self):
operators = [AddOperator(1), MultiplyOperator(20), DivideOperator(3)]
problem = Problem(start_number=2,
end_number=1,
move_count=2,
operators=operators)
solution = random_solve(problem)
self.assertEqual(solution, [AddOperator(1), DivideOperator(3)])
def test_only_option(self):
operators = [AddOperator(3)]
problem = Problem(start_number=2,
end_number=5,
move_count=1,
operators=operators)
solution = random_solve(problem)
self.assertEqual(solution, [AddOperator(3)])
def test_str_negative(self):
string = str(AddOperator(-5))
self.assertEqual(string, "[ - 5 ]")
def test_str_positive(self):
string = str(AddOperator(3))
self.assertEqual(string, "[ + 3 ]")
def test_add_negative(self):
state = State(current_number=5)
state.apply(AddOperator(-8))
self.assertEqual(state.current_number, -3)
def test_add_positive(self):
state = State(current_number=10)
state.apply(AddOperator(5))
self.assertEqual(state.current_number, 15)
def test_add_zero(self):
state = State(current_number=2)
state.apply(AddOperator(0))
self.assertEqual(state.current_number, 2)